A broad family of synthetic organosiloxane polymers containing a repeating silicon-oxygen backbone with organic side groups attached via carbon-silicon bonds. Depending on their structure, they are classified as liquids, gels, and elastomers. (From Merck Index, 12th ed)
Organic siloxanes which are polymerized to the oily stage. The oils have low surface tension and density less than 1. They are used in industrial applications and in the treatment of retinal detachment, complicated by proliferative vitreoretinopathy.
Polymers of silicone that are formed by crosslinking and treatment with amorphous silica to increase strength. They have properties similar to vulcanized natural rubber, in that they stretch under tension, retract rapidly, and fully recover to their original dimensions upon release. They are used in the encapsulation of surgical membranes and implants.
Implants used to reconstruct and/or cosmetically enhance the female breast. They have an outer shell or envelope of silicone elastomer and are filled with either saline or silicone gel. The outer shell may be either smooth or textured.
Separation of the inner layers of the retina (neural retina) from the pigment epithelium. Retinal detachment occurs more commonly in men than in women, in eyes with degenerative myopia, in aging and in aphakia. It may occur after an uncomplicated cataract extraction, but it is seen more often if vitreous humor has been lost during surgery. (Dorland, 27th ed; Newell, Ophthalmology: Principles and Concepts, 7th ed, p310-12).
Silicone polymers which consist of silicon atoms substituted with methyl groups and linked by oxygen atoms. They comprise a series of biocompatible materials used as liquids, gels or solids; as film for artificial membranes, gels for implants, and liquids for drug vehicles; and as antifoaming agents.
Removal of the whole or part of the vitreous body in treating endophthalmitis, diabetic retinopathy, retinal detachment, intraocular foreign bodies, and some types of glaucoma.
Artificial substitutes for body parts, and materials inserted into tissue for functional, cosmetic, or therapeutic purposes. Prostheses can be functional, as in the case of artificial arms and legs, or cosmetic, as in the case of an artificial eye. Implants, all surgically inserted or grafted into the body, tend to be used therapeutically. IMPLANTS, EXPERIMENTAL is available for those used experimentally.
Chronic inflammation and granuloma formation around irritating foreign bodies.
Substances used to create an impression, or negative reproduction, of the teeth and dental arches. These materials include dental plasters and cements, metallic oxide pastes, silicone base materials, or elastomeric materials.
Silicon polymers that contain alternate silicon and oxygen atoms in linear or cyclic molecular structures.
Histiocytic, inflammatory response to a foreign body. It consists of modified macrophages with multinucleated giant cells, in this case foreign-body giant cells (GIANT CELLS, FOREIGN-BODY), usually surrounded by lymphocytes.
Colloids formed by the combination of two immiscible liquids such as oil and water. Lipid-in-water emulsions are usually liquid, like milk or lotion. Water-in-lipid emulsions tend to be creams. The formation of emulsions may be aided by amphiphatic molecules that surround one component of the system to form MICELLES.
A group of thermoplastic or thermosetting polymers containing polyisocyanate. They are used as ELASTOMERS, as coatings, as fibers and as foams.
An operation for retinal detachment which reduces the size of the globe by indenting the sclera so that it approximates the retina.
Soft, supple contact lenses made of plastic polymers which interact readily with water molecules. Many types are available, including continuous and extended-wear versions, which are gas-permeable and easily sterilized.
The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility.
Procedures for the improvement or enhancement of the appearance of the visible parts of the body.
Vitreoretinal membrane shrinkage or contraction secondary to the proliferation of primarily retinal pigment epithelial cells and glial cells, particularly fibrous astrocytes, followed by membrane formation. The formation of fibrillar collagen and cellular proliferation appear to be the basis for the contractile properties of the epiretinal and vitreous membranes.
Procedure of producing an imprint or negative likeness of the teeth and/or edentulous areas. Impressions are made in plastic material which becomes hardened or set while in contact with the tissue. They are later filled with plaster of Paris or artificial stone to produce a facsimile of the oral structures present. Impressions may be made of a full complement of teeth, of areas where some teeth have been removed, or in a mouth from which all teeth have been extracted. (Illustrated Dictionary of Dentistry, 1982)
Introduction of a tube into a hollow organ to restore or maintain patency if obstructed. It is differentiated from CATHETERIZATION in that the insertion of a catheter is usually performed for the introducing or withdrawing of fluids from the body.
Introduction of substances into the body using a needle and syringe.
Coloring, shading, or tinting of prosthetic components, devices, and materials.
Interference with the secretion of tears by the lacrimal glands. Obstruction of the LACRIMAL SAC or NASOLACRIMAL DUCT causing acute or chronic inflammation of the lacrimal sac (DACRYOCYSTITIS). It is caused also in infants by failure of the nasolacrimal duct to open into the inferior meatus and occurs about the third week of life. In adults occlusion may occur spontaneously or after injury or nasal disease. (Newell, Ophthalmology: Principles and Concepts, 7th ed, p250)
Hydrophilic contact lenses worn for an extended period or permanently.
Artificial implanted lenses.
Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.
Surgical fistulization of the LACRIMAL SAC for external drainage of an obstructed nasolacrimal duct.
Surgical insertion of an inert sac filled with silicone or other material to augment the female form cosmetically.
Sterile solutions used to clean and disinfect contact lenses.
Specialized ophthalmic technique used in the surgical repair and or treatment of disorders that include retinal tears or detachment; MACULAR HOLES; hereditary retinal disease; AIDS-related retinal infections; ocular tumors; MACULAR DEGENERATION; DIABETIC RETINOPATHY; and UVEITIS.
A procedure for removal of the crystalline lens in cataract surgery in which an anterior capsulectomy is performed by means of a needle inserted through a small incision at the temporal limbus, allowing the lens contents to fall through the dilated pupil into the anterior chamber where they are broken up by the use of ultrasound and aspirated out of the eye through the incision. (Cline, et al., Dictionary of Visual Science, 4th ed & In Focus 1993;1(1):1)
A network of cross-linked hydrophilic macromolecules used in biomedical applications.
Polymerized methyl methacrylate monomers which are used as sheets, moulding, extrusion powders, surface coating resins, emulsion polymers, fibers, inks, and films (From International Labor Organization, 1983). This material is also used in tooth implants, bone cements, and hard corneal contact lenses.
Three-dimensional representation to show anatomic structures. Models may be used in place of intact animals or organisms for teaching, practice, and study.
A tubular duct that conveys TEARS from the LACRIMAL GLAND to the nose.
Diseases of the lacrimal apparatus.
The transparent, semigelatinous substance that fills the cavity behind the CRYSTALLINE LENS of the EYE and in front of the RETINA. It is contained in a thin hyaloid membrane and forms about four fifths of the optic globe.
A device, activated electronically or by expired pulmonary air, which simulates laryngeal activity and enables a laryngectomized person to speak. Examples of the pneumatic mechanical device are the Tokyo and Van Hunen artificial larynges. Electronic devices include the Western Electric electrolarynx, Tait oral vibrator, Cooper-Rand electrolarynx and the Ticchioni pipe.
A poly(dimethylsiloxane) which is a polymer of 200-350 units of dimethylsiloxane, along with added silica gel. It is used as an antiflatulent, surfactant, and ointment base.
A chemical process for separating the components of a liquid mixture by boiling and collecting condensed vapors.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
Agents that remove, correct, repress, or mask undesirable ODORS. In personal hygiene, deodorants often contain astringent preparations that reduce SWEATING, referred to as ANTIPERSPIRANTS. (From Grant & Hackh's Chemical Dictionary, 5th ed)
A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].
Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.
Hafnium. A metal element of atomic number 72 and atomic weight 178.49, symbol Hf. (From Dorland, 28th ed)
A high-molecular-weight polymeric elastomer derived from the milk juice (LATEX) of HEVEA brasiliensis and other trees and plants. It is a substance that can be stretched at room temperature to at least twice its original length and after releasing the stress, retract rapidly, and recover its original dimensions fully.
A generic term for all substances having the properties of stretching under tension, high tensile strength, retracting rapidly, and recovering their original dimensions fully. They are generally POLYMERS.
Messages between computer users via COMPUTER COMMUNICATION NETWORKS. This feature duplicates most of the features of paper mail, such as forwarding, multiple copies, and attachments of images and other file types, but with a speed advantage. The term also refers to an individual message sent in this way.
Mechanical food dispensing machines.
The guidelines and policy statements set forth by the editor(s) or editorial board of a publication.
The profession of writing. Also the identity of the writer as the creator of a literary production.
A publication issued at stated, more or less regular, intervals.
The functions and activities carried out by the U.S. Postal Service, foreign postal services, and private postal services such as Federal Express.
A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.

Mice that lack the angiogenesis inhibitor, thrombospondin 2, mount an altered foreign body reaction characterized by increased vascularity. (1/517)

Disruption of the thrombospondin 2 gene (Thbs2) in mice results in a complex phenotype characterized chiefly by abnormalities in fibroblasts, connective tissues, and blood vessels. Consideration of this phenotype suggested to us that the foreign body reaction (FBR) might be altered in thrombospondin 2 (TSP2)-null mice. To investigate the participation of TSP2 in the FBR, polydimethylsiloxane (PDMS) and oxidized PDMS (ox-PDMS) disks were implanted in TSP2-null and control mice. Growth of TSP2-null and control skin fibroblasts in vitro also was evaluated on both types of disks. Normal fibroblasts grew as a monolayer on both surfaces, but attachment of the cells to ox-PDMS was weak and sensitive to movement. TSP2-null fibroblasts grew as aggregates on both surfaces, and their attachment was further compromised on ox-PDMS. After a 4-week implantation period, both types of PDMS elicited a similar FBR with a collagenous capsule in both TSP2-null and control mice. However, strikingly, the collagenous capsule that formed in TSP2-null mice was highly vascularized and thicker than that formed in normal mice. In addition, abnormally shaped collagen fibers were observed in capsules from mutant mice. These observations indicate that the presence or absence of an extracellular matrix component, TSP2, can influence the nature of the FBR, in particular its vascularity. The expression of TSP2 therefore could represent a molecular target for local inhibitory measures when vascularization of the tissue surrounding an implanted device is desired.  (+info)

Laparoscopic adjustable silicone gastric banding leakage assessed by 99mTc-pertechnetate scintigraphy. (2/517)

The purpose of this study was to assess the value of 99mTc-pertechnetate scanning in the diagnosis of gastric banding leaks. METHODS: Three patients with morbid obesity received laparoscopic adjustable silicone gastric banding (ASGB), but no significant weight reduction was obtained. To exclude band leakage as the cause, four scintigraphic procedures were performed, consisting of imaging the upper abdomen 30 min and 3 h after injection of 3 mL (111 MBq) pertechnetate solution into the ASGB reservoir. In one patient, the integrity of the ASGB device was first assessed radiologically after injection of a water-soluble contrast agent into the ASGB reservoir. RESULTS: In two normally functioning ASGB devices, radiotracer was observed within the device on both early and late images. In two patients with a surgically proven small leak in the reservoir or the connecting tube, late images showed little tracer in the reservoir and the connecting tube. However, intense tracer accumulation was observed in the stomach as a result of resorption of pertechnetate in the subcutaneous or peritoneal blood vessels and subsequent gastric uptake. In one of the latter patients, radiographic assessment of the ASGB device revealed no abnormalities. CONCLUSION: 99mTc-pertechnetate scanning is a valuable technique to diagnose small leaks in an ASGB device.  (+info)

Temporary endovascular balloon occlusion of the internal carotid artery with a nondetachable silicone balloon catheter: analysis of technique and cost. (3/517)

BACKGROUND AND PURPOSE: Temporary balloon occlusion has become a routine and medically accepted technique for the management of patients with aneurysms or intracranial or head/neck tumors. We describe our experience using a nondetachable silicone balloon (NDSB) catheter in 103 endovascular temporary balloon occlusions of the internal carotid artery, with attention focused on technique, complications, and cost. METHODS: Between 1993 and 1998, 103 patients underwent preoperative temporary balloon occlusion testing with a 1.5-mm NDSB catheter. Clinical testing during endovascular blockade was combined with qualitative cerebral blood flow analysis using technetium-99m HMPAO SPECT. Cost-effective analysis was performed, emphasizing cost and complication rates in comparison with those in previously reported series in which multiple types of temporary balloon occlusion catheters were used, predominantly not of the NDSB type. RESULTS: No carotid artery injury or complication, including cerebral infarction due to NDSB use, was encountered. Despite the increased cost of the NDSB catheter system, cost-effective analysis showed up to 40% reduction in cost per quality adjusted life years. CONCLUSION: Temporary balloon occlusion using the NDSB catheter is safe and cost-effective, owing to the low rate of complications.  (+info)

Plastic migration from implanted central venous access devices. (4/517)

BACKGROUND: This is the first reported study of histologically confirmed migration from intravenous access devices in children. METHODS: The capsules from around intravenous access devices were examined by light microscopy to determine the extent of the foreign body response; energy dispersive x ray analysis was performed to document the elemental content of the foreign material. RESULTS: A fibroconnective tissue capsule was found around all the samples. Elemental silicon was found in six of 13 tissue samples, and a foreign body giant cell reaction was seen in three of these. CONCLUSIONS: The pseudocapsule that surrounds an implanted vascular access device often has residual foreign material, including silicone.  (+info)

Influence of long term silicone implantation on type II collagen induced arthritis in mice. (5/517)

OBJECTIVES: The use of silicone implants in cosmetic and reconstructive surgery has been implicated in the development of autoimmune connective tissue diseases. Previous investigation of the influence of short-term silicone implantation using an experimental model of rheumatoid arthritis revealed no adverse influence upon disease despite the generation of autoantibodies against silicone bound proteins. This study was designed to examine the influence of long term implantation of different forms of silicone in collagen induced arthritis. METHODS: DBA/1 mice were surgically implanted with silicone elastomers, gel or oil nine months before immunisation with type II collagen emulsified in Freund's incomplete adjuvant. The incidence and severity of arthritis, antibodies to type II collagen, and serum cytokines were assessed and compared with sham implanted mice. Silicone implants were recovered, and autoantibodies to silicone bound proteins evaluated in arthritic and non-arthritic mice. RESULTS: Immunisation with CII/FIA resulted in a 30% arthritis incidence in sham implanted DBA/1 mice. Long term silicone implantation resulted in an increased incidence of arthritis, with a significant increase of 90% arthritis in animals implanted with silicone elastomers. Animals implanted with silicone elastomer also developed foreign body sarcomas during the study. Serum concentrations of interleukin 10 were increased in mice implanted with elastomers and immunised with CII/FIA, while interleukin 5 concentrations were significantly diminished in these mice. The production of autoantibodies to autologous silicone bound proteins, including anti-type I collagen antibody, was also attributed to the implantation of either silicone gel or silicone elastomer in type II collagen immunised animals. CONCLUSIONS: These data suggest that long term silicone implantation results in both the production of autoantibodies to connective tissue antigens and increased susceptibility to an experimental model of autoimmune disease.  (+info)

Extended field-of-view two-dimensional ultrasonography of the breast: improvement in lesion documentation. (6/517)

The purpose of this study was to evaluate the use of extended field-of-view two-dimensional ultrasonographic imaging for improvement in overall breast lesion documentation. Sonographic images of 59 patients with breast lesions or silicone implants were evaluated by three radiologists retrospectively to compare traditional static linear array images alone with images obtained with the addition of an extended field of view to determine if documentation of lesions was improved. The addition of extended field-of-view imaging improved lesion conspicuity by 21% over traditional images. It provided overall improvement in lesion documentation by including a reference point (nipple) or by more completely imaging large masses in 79% and implants in 69%. The larger field of view of this technique is promising as an adjunct to traditional sonography for breast lesion documentation.  (+info)

Epidemiologic studies of environmental agents and systemic autoimmune diseases. (7/517)

Systemic lupus erythematosus and systemic scleroderma are autoimmune diseases thought to have an exogenous trigger. This review summarizes relevant case-control and cohort studies that investigated exogenous sex hormones, silica, silicone, solvents, pesticides, mercuric chloride, and hair dyes as putative risk factors for the development of these diseases. These studies indicate that estrogen replacement therapy in postmenopausal women increases the risk of developing lupus, scleroderma, and Raynaud disease, although the increase in risk is relatively modest. Oral contraceptives may also play a role in disease susceptibility in lupus but not apparently in scleroderma. Environmental endocrine modulators, in the form of pesticides, may represent another opportunity for estrogenlike effects to occur, but there is scant evidence that these agents play a role in human systemic autoimmune disease. Although exposure to silica dust increases the risk of scleroderma in men occupied in the industry, this does not explain most male scleroderma cases. When this exposure was investigated among women, no significant risk was found. Additionally, silicone in implanted devices as well as occupational exposure to silicone-containing compounds did not pose an increased risk among women for scleroderma. The role of solvent exposure has been investigated as a risk factor for scleroderma with mixed findings. One study suggested a potential role in male patients or in those individuals with Scl-70 antibody positivity either male or female. Two other studies were unable to corroborate this finding. Mercuric chloride causes antifibrillarin antibodies and immune complex glomerulonephritis in susceptible mouse strains. Antifibrillarin antibodies, but not glomerulonephritis, occur in a subset of scleroderma patients and preliminary evidence suggests that mercury levels may be higher in this group of individuals. Hair products have been studied as possibly raising the risk of developing lupus, since such products contain an aromatic amine similar to a compound known to cause drug-induced lupus. A 1986 study suggested a positive association, but two subsequent studies did not support this association.  (+info)

Neutrophil chemotaxis on silicone and polyurethane surfaces. (8/517)

Silicone vascular catheters have a greater risk of infection and produce greater inflammation in vivo and greater complement activation in vitro than other vascular catheter polymer materials. This study investigated whether polymorphonuclear leukocyte (PMNL) chemotaxis under agarose on silicone surfaces is different than on polyurethane (PU). Glass slides were coated with silicone and PU by use of a constant-speed dipping apparatus. Chemotaxis (3 h) in response to (10-7 mL) FMLP, zymosan-activated serum, and fresh serum (100%) was greater on silicone than on PU (P<.05). Polyclonal antibody to C5a blocked >50% of the movement toward serum (P<.05). Serum in the PMNL well significantly decreased chemotaxis toward FMLP on silicone (P<.05) but not on PU. These findings suggest that excessive complement activation by silicone may interfere with chemotaxis, but further work is necessary to determine whether this is relevant to an increased risk of catheter-related infection.  (+info)

Purpose: : To report on the incidence and type of adverse events in a group of Chinese children wearing silicone hydrogel contact lenses (CL) over a 12 month period. Methods: : In a prospective clinical trial, 240 children, aged 8 to 14 yrs were enrolled to wear silicone hydrogel CL (Lotrafilcon B, both single vision and novel myopia control CL) on a daily wear, monthly replacement schedule. The trial was part of Vision CRC myopia control studies conducted at Zhongshan Ophthalmic Centre, Guangzhou, China. Adverse events observed during the 12 month period were categorised using the BHVI/LVPEI categorisation system as Serious, Significant and Non-significant events. The total number of patient eye years in the study was determined. Incidence was calculated as the number of adverse events divided by the total number of patient eye years and reported as Incidence per 100 patient eye years (Incidence %). Results: : The number of patient eye years in the study was 411. There were no serious adverse ...
Silicone hydrogel contact lenses are soft lenses that have been developed specifically for continuous wear, made of a material with superior oxygen permeability - more oxygen reaches the cornea. Popular brands include Air Optix, Acuvue Oasys, Biofinity and Purevision.
Dumbleton, K., Woods, C.A., Jones, L. and Fonn, D. 2009, The role of replacement frequency in subjective comfort and vision with silicone hydrogel contact lenses, in ISCLR 2009 : Proceedings of the 15th International Society for Contact Lens Research symposium 2009, International Society for Contact Lens Research, [Crete, Greece]. ...
Purpose: : To report the incidence and type of adverse events in a group of Chinese children wearing silicone hydrogel contact lenses (CL) over 2 years. Methods: : Children aged 8 to 14 yrs were enrolled in a prospective clinical trial to wear silicone hydrogel CL (both single vision and novel myopia control CL) on a daily wear, peroxide disinfection (Clear Care® , CIBA VISION), monthly replacement schedule as part of Vision CRC myopia control studies. The trial was conducted at Zhongshan Ophthalmic Centre, Guangzhou, China. Adverse events observed during the 2 year period with wear of the control, single vision, commercially available contact lens design (Lotrafilcon B, CIBA VISION) in 63 children were categorised using the BHVI/LVPEI categorisation system as Serious, Significant and Non-significant events. The total number of patient eye years in the study was determined. Incidence was calculated as the number of adverse events divided by the total number of patient eye years and reported as ...
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HPI Pro Silicone Shock Oil is available for racers and hobbyists to refill and rebuild their shocks. This pro-grade oil is manufactured from pure silicone for resistance to temperature variations and weather conditions. A full set of matched shock oils is available now to ensure you have consistent shock action with no guesswork needed!. Provided in convenient 60cc sizes to fit in your toolbox or pit bag. Collect the full set to have matched shock oils for your racing efforts! #86951 PRO SILICONE SHOCK OIL 10wt (60cc) #86952 PRO SILICONE SHOCK OIL 15wt (60cc) #86953 PRO SILICONE SHOCK OIL 20wt (60cc) #86954 PRO SILICONE SHOCK OIL 25wt (60cc) #86955 PRO SILICONE SHOCK OIL 30wt (60cc) #86956 PRO SILICONE SHOCK OIL 35wt (60cc) #86957 PRO SILICONE SHOCK OIL 40wt (60cc) #86958 PRO SILICONE SHOCK OIL 45wt (60cc) #86959 PRO SILICONE SHOCK OIL 50wt (60cc) #86951 PRO SILICONE SHOCK OIL 10wt (60cc) #86953 PRO SILICONE SHOCK OIL 20wt (60cc) #86955 PRO SILICONE SHOCK OIL 30wt (60cc) #86957 PRO SILICONE ...
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details ...
0017] In another aspect, a silicone-based gel for topical application and treatment of scar tissue may be provided. The silicone-based gel may include a non-zero percentage of silicone or a silicone variant, such as at least approximately 50%, 75%, or more of the silicone-based gel; and a first active ingredient in a first amount of between approximately 0.1% and approximately 5.0% by weight of the silicone-based gel. The first active ingredient may be a glucocorticoid, such as fluticasone. The silicone-based gel may include a second active ingredient in a second amount of between approximately 0.1% and approximately 5.0% by weight of the silicone-based gel. The second active ingredient may be an antihistamine, such as loratadine. The silicone-based gel may include a third active ingredient in a third amount of between approximately 5.0% and approximately 25.0% by weight of the silicone-based gel. The third active ingredient may be a nerve depressant, such as gabapentin. The silicone-based gel ...
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Silicone hydrogel lenses are increasingly accepted among eye care professionals as they provide greater benefits to users because their high Dk means they are more permeable to oxygen.. The lipid action mechanism on silicone hydrogel lenses is different from that of traditional disposable lenses.. The materials of this type of lenses have different characteristics to those used in conventional hydrogel contact lenses and so their maintenance must also be different.. ...
Centre for Ocular Research & Education. School of Optometry & Vision Science. University of Waterloo. 200 University Avenue West. Waterloo, ON, Canada N2L 3G1. P: +1-519-888-4742. P: +1-519-888-4303. [email protected] ...
Wöhlk are a German producer of contact lenses and their accessories. They are a guarantee of quality with a good worldwide reputation.
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HPI Racing has expanded our Silicone Shock Oil choices with the addition of 15, 25, 35 and 45 weights, giving racers 10, 15, 20, 25, 30, 35, 40, 45 and 50 weights to choose from for precise shock tuning. High quality 100% pure silicone shock oil resists the effects of temperature changes better than petroleum based oils, the benefit for racers is more consistent shock dampening throughout the day. Packaged in convenient 60cc bottles and clearly marked weights for easy identification in your pit box.. Perfect for most oil-filled RC shocks. #86951 PRO SILICONE SHOCK OIL 10wt (60cc) #86952 PRO SILICONE SHOCK OIL 15wt (60cc) #86953 PRO SILICONE SHOCK OIL 20wt (60cc) #86954 PRO SILICONE SHOCK OIL 25wt (60cc) #86955 PRO SILICONE SHOCK OIL 30wt (60cc) #86956 PRO SILICONE SHOCK OIL 35wt (60cc) #86957 PRO SILICONE SHOCK OIL 40wt (60cc) #86958 PRO SILICONE SHOCK OIL 45wt (60cc) #86959 PRO SILICONE SHOCK OIL 50wt (60cc). ...
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The present invention provides a method for making colored silicone hydrogel contact lenses. The method of the invention comprises the steps of: (a) applying a color coat to at least a portion of at least one of molding surfaces of a lens mold with an ink, wherein the ink comprises at least one colorant, a binder polymer, an adhesion promoter, and optionally a diluent, wherein the binder polymer is a copolymerization product of a polymerizable mixture including (I) at least one hydrophilic vinylic monomer; (II) at least one functionalizing vinylic monomer containing at least one functional group selected from the group consisting of hydroxyl group -OH, amino group -NHR (wherein R is hydrogen or C|sub|1|/sub|, to C|sub|8|/sub| alkyl), carboxylic group -COON, epoxy group, amide group -CONHR, and combinations thereof; (III) at least one silicone-containing vinylic monomer or macromer, and (IV) optionally one or more components selected from the group consisting of a polymerization initiator, a chain
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Coghlans Silicone Travel Bottles are made of high-purity, FDA food safe silicone that are ideal for many different liquids including toiletries and food products. Silicone is compatible with many different types of liquids and gels however some substances are not compatible with silicone.. To ensure the desired liquid or gel is compliant with silicone, Coghlans recommends testing a small amount of the liquid or gel overnight before use. The liquid is incompatible with silicone if it evaporates or dries up shortly after being put in the silicone travel bottle. The liquid could also cause leaks, change the shape or color of the silicone bottle.. Most reactions occur overnight; and Coghlans recommends an overnight trial run with a new product. Put a paper towel or tissue paper underneath the bottle to collect any liquid in the off chance it leaks through the bottle. The Silicone Travel Bottles are not designed for long term storage as leaving the liquid or gel inside the silicone bottle for long ...
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Increased oxygen permeability associated with silicone hydrogel contact lenses may reduce, but does not eliminate, the risk of pseudomonas keratitis. Studies have yet to quantify the risk of keratitis associated with daily wear of these lens materials. Further study is necessary to identify the risks of complications with daily wear of silicone hydrogel lenses and to determine which factors may contribute to those risks ...
Abstract 1.1 Purpose The purpose of this study is to prescribe follicular-like conjunctivitis associated with Siliconhydrogels (FoCoSi) in silicone hydrogel contact lens wearers as a novel subtype of the well prescribed contact lens induced papillary conjunctivitis (CLPC). 1.2 Methods 1211 patients who wore silicon hydrogels were included in this prospective, nonrandomised, single center study. Subjective symptoms and clinical signs were evaluated for daily wear (DW) and continuous wear (CW) populations for several (Lotrafilcon A, Lotrafilcon B, Senofilcon A, Galyfilcon A) silicon hydrogel lens types. CCLRU and other specifically developed grading scale were utilized for evaluation. Grading of 2 and above was rated as clinically significant. Statistical evaluation was performed for eyes rather than subjects. 1.3 Results The clinical presentation of FoCoSi could be confirmed and showed an incidence of 3.8%. Lotrafilcon A followed by Senofilcon A on a CW modality presented, with a risk ratio of ...
Abstract 1.1 Purpose The purpose of this study is to prescribe follicular-like conjunctivitis associated with Siliconhydrogels (FoCoSi) in silicone hydrogel contact lens wearers as a novel subtype of the well prescribed contact lens induced papillary conjunctivitis (CLPC). 1.2 Methods 1211 patients who wore silicon hydrogels were included in this prospective, nonrandomised, single center study. Subjective symptoms and clinical signs were evaluated for daily wear (DW) and continuous wear (CW) populations for several (Lotrafilcon A, Lotrafilcon B, Senofilcon A, Galyfilcon A) silicon hydrogel lens types. CCLRU and other specifically developed grading scale were utilized for evaluation. Grading of 2 and above was rated as clinically significant. Statistical evaluation was performed for eyes rather than subjects. 1.3 Results The clinical presentation of FoCoSi could be confirmed and showed an incidence of 3.8%. Lotrafilcon A followed by Senofilcon A on a CW modality presented, with a risk ratio of ...
Japanese Siliconen Breasts They are made of high quality material which does not only consist of silicone, but has got as well a polyurethan(PU)-film around. They can be worn as inlays in a bra (please see below), specially made with pockets. The most important difference with our silicone breasts from Germany: made of softer silicone material besides European skin-color also available in more skin-colors like Asian and brown a polyurethan(PU)-film around the silicone breasts not washable in hot water (washing only in cold water with mild soap!).
China Customized Silicone Products Daily Use Silicone Gloves Injection Tooling, Find details about China Silicone Moulding, Silicone Mold from Customized Silicone Products Daily Use Silicone Gloves Injection Tooling - Xiamen Meteor Industrial Co., Limited
Silicone composite high voltage insulators are sometimes contaminated by microorganisms in outdoor applications, which results in the insulator becoming conductive and thereafter failure of the insulators. In this work, it has been tried to develop silicone materials with antimicrobial properties. Silicone was blended with various antimicrobial agents. Affectivity and appropriate concentration of the biocides were decided through a fast test prior to the manufacturing of the samples.. Samples were aged according to an international biodegradation test. To study the extent of the growth on the samples surface visual analysis and scanning electron microscopy (SEM) were performed. Samples were studied for changes in surface properties and surface chemical composition with carrying out dynamic contact angle measurements and Fourier transform infrared spectroscopy respectively. Results from the biodegradation test showed some biocides could inhibit the fungal growth comparing the results for the ...
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Methods of preparing silicone pressure sensitive adhesives are described. The methods include electron beam curing nonfunctionalized silicone materials, e.g., silicone fluids and gums. Hot melt processing the nonfunctionalized silicone materials prior to electron beam crosslinking, and crosslinked adhesives prepared by such methods are also described. Adhesives prepared by hot melt coating and electron beam curing nonfunctionalized silicone materials and adhesive articles incorporating such adhesives are also disclosed.
TY - JOUR. T1 - Silicone granulomas with ulcers. AU - Rothman, Lisa R.. AU - Kim, Randie H.. AU - Meehan, Shane A.. AU - Femia, Alisa. PY - 2016. Y1 - 2016. N2 - We present a 42-year-old transgender woman with woody induration over her buttocks and lower extremities as well as persistent ulcers of the buttocks. The lesions developed ten years prior to her presentation and approximately five years after she received illegal silicone injections to her buttocks. Histopathologic examination was consistent with a silicone granuloma. Silicone granuloma is a not an uncommon side effect of silicone injections and more often occurs when the filler is administered by non-physician practitioners, as is the case in this patient. Ulcerative silicone granulomas, however, rarely are reported. In this case, the patients hemodialysis treatments, which required long periods of weight bearing on her buttocks, may have predisposed her to ulcers in this area, and the ulcers may have been in part due to poor ...
Liquid silicone, which is often used for breast augmentation and other cosmetic procedures, can cause respiratory failure if not injected properly by a licensed physician. A study of individuals who underwent illegal silicone injections revealed a high fatality rate from pulmonary silicone embolism, or obstruction of the lungs.
Momentive has just published two new product selection guides for its aerospace silicone adhesive sealants, available via the companys authorised UK distributor, Techsil.. They are Silicone RTVs for Low Outgassing Applications which are advanced silicones that deliver outstanding performance with minimal outgassing and Silicone RTVs for Thermal Protection Systems, comprising a broad range of advanced silicone RTVs that can perform in the most extreme conditions.. For more than 60 years, Momentive has been part of the journey into space - providing the silicone in the boots of the first astronaut to walk on the moon - in the rockets that propelled those pioneers into orbit - and on every US manned space flight since. Building on the legacy of their past, Momentive continues to develop innovative silicones that help todays aerospace pioneers reach ever greater heights. From launch to landing, Momentives advanced silicone products enable the next generation of space exploration.. Low Outgassing ...
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Driven by both electrostatic and hydrophobic interactions, protein adsorption to solid surface is a major interest in pharmaceutical science. In this application, the QCM instrument qCell T is used to study the extent and driving forces of the PH-dependent protein adsorption to heat-treated silicone surfaces. This study further discusses potential driving forces that trigger protein adsorption. Learn more by viewing the PDF here: AppNote-Effect_of_pH_on_Protein_Adsorption_to_Silicone_Surface.. ...
Silicone Defoamer Market report offers detailed analysis and a five-year forecast for the global Silicone Defoamer industry. Silicone Defoamer market report delivers the insights which will shape your strategic planning as you estimate geographic, product or service expansion within the Silicone Defoamer industry.. A comprehensive research report created through extensive primary research (inputs from industry experts, companies, stakeholders) and secondary research, the report aims to present the analysis of Silicone Defoamer Market.. Silicone defoamer or silicone antifoam are polymers with silicon backbones and are used to prevent foam from developing. Foaming is a phenomenon which frequently occurs during several manufacturing processes. Foam formation during the manufacturing process interrupts the production processes, reduces the effective volumes in the production plant, leads to unnecessary downtimes and at times even interferes with the application process. This creates the need for the ...
The Silicone Rig II from Eyce is an upgraded version of the previous best selling, highly rated silicone dab rig. It boasts epic design upgrades to secure its spot as the best selling silicone rig on the market. The new 10mm glass collar is the most notable of the updates, designed to hold the included titanium nail in place and acts as a heat shield, protecting the silicone water chamber and extending the life of the rig. The Rig II also features thicker silicone walls and base providing more stability. The Silicone Dab Rig II allows for you to be adventurous, throw a party or travel without worrying about breaking your rig. Durability that rips! This nearly indestructible water pipe is made from silicone with a fixed diffused downstem and removable top to allow for easy cleaning. A grade 2 Ti domeless nail and stainless steel dab tool are included with a wax stash jar hidden in the rigs slotted base.. Dab Rig Features:. ...
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Currently wearing weekly/biweekly or monthly sphere or toric soft contact lenses (NOT including AIR OPTIX Aqua, AIR OPTIX NIGHT & DAY Aqua, AIR OPTIX for Astigmatism, Biofinity Sphere, Biofinity Toric, or ProClear Toric soft contact lenses) bilaterrally (in both eyes) and have worn these lenses for at least 3 months, daily wear use only (no extended wear ...
Silicone rubber when contaminated by dust has the ability to transfer the hydrophobicity through pollutants. Water on the polluted silicone rubber forms separate droplets. It is a unique advantage of this material. However, the pollution layer on silicone rubber absorbs moisture at high air humidity similar to the pollutants on the glass surface. Under high timidity conditions the surface conductivity on heavy polluted (ESDD and DDD in the range of 0,1 mg/cm2 ) silicone insulators increases to the value in the range a few uS. This leads to dry band formation, arcing and possible surface erosion. The surface conductivity on the silicone rubber contaminated a week earlier by NaCl without bentonite is very small, in the range of 0,1 uS. The surface conductivity of 6 uS was measured on similarly polluted porcelain sample. The pure sea salt pollution is not dangerous for silicone insulators. Chrzan, K L
When deciding between saline and silicone implants, there is no right or wrong choice. It often comes down to a womans preference. Understanding the difference between both breast implants can help a patient make an informed decision. Whether a woman chooses silicone or saline, both types of implants have a shell, which is made of silicone. Saline implants are filled with a sterile water solution. This type of implant is inserted empty and then filled with saline once it is in the correct position in the chest. Women over the age of 18 can select saline implants.. Since saline implants can be filled once they are placed, the incision needed to do the surgery may be slightly smaller than it is with silicone implants. Another benefit of saline breast implants is if the implant ruptures, it deflates, which alerts the woman to the rupture. If a silicone implant ruptures, a woman may not know at first. This is because the silicone can become trapped around the scar tissue, which forms around the ...
What had been an initial concern were the occurrences of implant rupture as well as the diffusion of silicone through the walls of the implant shell. As discussed by Brody (2009), the implant gel consists of a 3-dimensional mesh-like molecule with a mix of oils bound to its matrix. In fact, it is the oil portion of the matrix that bleeds through the implant. Since silicone is hydrophobic, the element remains attached to the implant surface without being transported throughout the body or affecting any organs. As time passes, a few molecules may be picked up by marcrophages and even fewer reach the lymph nodes. Also, in the case of implant rupture, the silicone is confined within the surgical pocket of the scar envelope (Brody, 2009). Evidence regarding the interaction of implant-derived silicone with the body provided the foundation for optimism surrounding implant safety, however, further examination still needed to be conducted.. Since the moratorium on silicone breast implants a vast amount ...
Images of liquid silicone rubber and liquid silicone rubber images - 22032 liquid silicone rubber Manufacturers & Suppliers from China
China 1200W Oil Drum Silicone Rubber Heater, Find details about China Silicone Rubber Heater, Oil Drum Silicone Rubber Heater from 1200W Oil Drum Silicone Rubber Heater - Yancheng Hongtai Alloy Electric Apparatus Co., Ltd.
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11 Sep 2020. Thanks to its enhanced breathability, silicone hydrogel is quickly becoming a favoured material in the soft contact lens industry. By allowing more oxygen - up to 5 times more - to flow into the eyes, these silicone hydrogel lenses provide all day comfort without red eyes.. Indeed, because their oxygen permeability is so strong, silicone hydrogel contacts are sometimes approved for overnight wear. In addition to their breathability, silicone hydrogel contacts are far better at retaining water than typical soft lenses. This makes them an ideal choice for people who struggle with conditions like dry eye syndrome. ...
Centre for Ocular Research & Education. School of Optometry & Vision Science. University of Waterloo. 200 University Avenue West. Waterloo, ON, Canada N2L 3G1. P: +1-519-888-4742. P: +1-519-888-4303. [email protected] ...
According to a new market report published by Credence Research Global Silicone Oil Market Growth, Future Prospects and Competitive Analysis, 2017 - 2025, the Silicone Oil market is expected to expand at a CAGR of 3.1% from 2017 to 2025.. Browse the full Silicone Oil Market - Market Growth, Future Prospects and Competitive Analysis, 2017 - 2025 report at http://www.credenceresearch.com/report/silicone-oil-market. Market Insights. The demand for silicone oil has grown globally due to growing medical industry. Silicone oil is widely used as tamponade agents in cases of complex retinal detachments. For instance, in cases of vitreoretinal surgery, these are ideal to relocate aqueous humor from the retinal surface. The removal of aqueous humour is significant in maintaining the adhesion between retina and retinal pigment epithelium. Apart from medicinal applications, silicone oil is also gaining popularity in wood working and construction industry because of its lubricating action. Silicone oil is ...
Liquid silicone rubbers are supplied in barrels. Because of their low viscosity, these rubbers can be pumped through pipelines and tubes to the vulcanization equipment. The two components are pumped through a static mixer by a metering pump. One of the components contains the catalyst, typically platinum based. A coloring paste as well as other additives can also be added before the material enters the static mixer section. In the static mixer the components are well mixed and are transferred to the cooled metering section of the injection molding machine. The static mixer renders a very homogeneous material that results in products that are not only very consistent throughout the part, but also from part to part. This is in contrast to solid silicone rubber materials that are purchased pre-mixed and partially vulcanized. In contrast, hard silicone rubbers are processed by transfer molding and result in less material consistency and control, leading to higher part variability. Additionally, ...
Liquid silicone rubber (LSR) molding combines two silicone rubber materials within the molding press, which then creates a chemical reaction that produces the final part within a mold. Silicone rubber is often chosen for parts that must be chemical or heat resistant.
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TY - JOUR. T1 - Recovery of butanol from model solutions and fermentation broth using a silicalite/silicone membrane. AU - Qureshi, N.. AU - Meagher, M. M.. AU - Hutkins, Robert W. PY - 1999/6/1. Y1 - 1999/6/1. N2 - A silcone-silicalite-1 composite membrane was synthesized to recover acetone, butanol, and ethanol (ABE) from model solutions and the Clostridium acetobutylicum (ABE) fermentation broth. The adsorption capacity of the silicalite-1 in the presence of a mixture of acetone, butanol and ethanol were 8-12, 85-90 and ,5mg/g, respectively. There was no apparent difference of absorption rate of butanol at 36°C and 79°C and desorption of butanol occurred efficiently at 78°C and 1-3Torr. The silicalite-1 was characterized by chemical analysis, NMR, electron micrographs, surface area and pore size determination and found to have identical properties to other silicalite-1 reported in the literature. The silicalite-1 was incorporated into a silicone membrane in an effort to enhance butanol ...
Answers - Maurice Nahabedian Saline implants are still the most commonly selected implants. I think that this choice by women to continue with saline is based primarily on fear of silicone and the result of all the negative publicity related to silicone. Silicone implants can provide an excellent quality reconstruction, but I think it will probably take more time for the public to become more accepting of silicone gel implants ...
Silicone rubbers for zinc alloys, Silicone rubbers for lead/tin/bismuth alloys, Silicone rubbers for resins, Silicone rubbers for lost wax
Shangyu Fine Chemical Factory main products:Embedded Amino Silicone oil C-600,Nylon smoothening Silicone oil T-620A,Nylon Stretch Silicone oil N-230A,Quaternary ammonium salt blocking Amino Silicone oil C-90A,Amino-silicone oil 1500
Shangyu Fine Chemical Factory main products:Embedded Amino Silicone oil C-600,Nylon smoothening Silicone oil T-620A,Nylon Stretch Silicone oil N-230A,Quaternary ammonium salt blocking Amino Silicone oil C-90A,Amino-silicone oil 1500
Silicone oil droplets have limited deposition on hair due to electrostatic repulsion with negative surface charge of hair substrates. Aiming to improve silicone deposition on hair substrates, surface properties of uniform-sized silicone oil droplets (produced by membrane emulsification) were modified using layer-by-layer electrostatic deposition. By using this method, silicone oil droplets were coated with large molecular weight polymers, i.e. quaternized chitosan and alginate, and low molecular weight compounds, i.e. diallyl dimethyl ammonium chloride and glycerol to obtain six alternate layers of different surface charges. It was found that the dispersion of coated silicone oil droplets of narrow size distribution exhibited much improved mechanical strength and increased viscosity against shear compared to uncoated droplets. These multilayered silicone oil droplets were then added into model shampoos and conditioners to study the effect of charge and molecular weight of coating materials on ...
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Silicone grease is widely used as a temporary sealant and a lubricant for interconnecting ground glass joints, as is typically used in laboratory glassware. Although silicones are normally assumed to be chemically inert, several historically significant compounds have resulted from unintended reactions with silicones.[3][4] The first salts of crown ethers (OSi(CH3)2)n (n = 6, 7) were produced by reactions of organolithium and organopotassium compounds with silicone greases[5] or the serendipitous reaction of stannanetriol with silicone grease to afford a cage-like compound having three Sn-O-Si-O-Sn linkages in the molecule.[6]. Lubrication of an apparatus with silicone grease may result in the reaction mixture being contaminated with the grease. The impurity may be carried through purification by chromatography in undesirable amounts. In NMR spectroscopy, the methyl groups in polydimethylsiloxane display 1H and 13C chemical shifts similar to trimethylsilane (TMS), the reference compound for ...
Its a common misconception that saline implants are safer than silicone. The truth is, each implant type has its own benefits. It was thought - but never proven - that silicone implants could cause medical problems. The myth likely originated with misuse of other kinds of silicone, such as the kind used in construction, by unlicensed practitioners pretending to be physicians. Both saline and silicone implants are FDA-approved. The main difference is that saline is approved for women 18 years and older, while silicone is approved for women 22 years and older.. Saline implants are filled with sterile saltwater. The shape, firmness, and feel of the breast can be affected by the amount of saline used to fill the implant. In the case that the implant shell should leak, the implant will simply collapse and the saline will be absorbed and naturally expelled by the body.. Silicone implants are filled with an elastic gel that feels and moves similarly to a natural breast. If a silicone implant is ...
Novel hollow silicone resin particles, having an average particle size of 0.1 to 100 μm are disclosed. The silicone resin particles comprise a skin formed from thermoplastic silicone resin configured in the shape of a hollow capsule. The hollow thermoplastic silicone resin particles are prepared by spraying a dispersion of water and thermoplastic silicone resin dissolved in solvent into hot gas. The hot gas evaporates the solvent and water and at the same time causes solidification of the thermoplastic silicone resin while it is in the spray state, so as to form a plurality of hollow particles therefrom.
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Silicone Laryngeal mask Silicone Laryngeal maskDisposable silicone laryngeal mask airbag, The mask are made of improted medical-grade Silicone. soft to the touch, good toughness, high resilience and good sealing effect.CE and ISO :13485 approved, Disposable silicone Laryngeal mask performance: 1. Single-cavity air bag, complete specifications, suitable for all kinds of silicone laryngeal masks; 2.
Factory gypsum column mold high strength RTV2 silicone rubber for sale, US $ 6 - 6.5 / Kilogram, Guangdong, China, Rongxingda Silicone, RTV-820.Source from Shenzhen Rongxingda Polymer Material Co., Ltd. on Alibaba.com.
A range of silicone rubbers were created based on existing commercially available materials. These silicones were designed to be visually different from one another and have distinct material properties, in particular, ultimate tensile strengths and tear strengths. In total, eleven silicone rubbers were manufactured, with the materials designed to have a range of increasing tensile strengths from approximately 2 to 4MPa, and increasing tear strengths from approximately 0.45 to 0.7N/mm. The variations in silicones were detected using a standard colour analysis technique. Calibration curves were then created relating colour intensity to individual material properties. All eleven materials were characterised and a 1st order Ogden strain energy function applied. Material coefficients were determined and examined for effectiveness. Six idealised abdominal aortic aneurysm models were also created using the two base materials of the study, with a further model created using a new mixing technique to ...
Purchase a copy of Amino Silicone Oil Sales Market Research Report at: http://www.absolutereports.com/purchase/10360486. Further in the Amino Silicone Oil Sales Market Industry Analysis report, the Amino Silicone Oil Sales Market is examined for price, cost and gross. These three points are analysed for types, companies and regions. In continuation with this data sale price is for various types, applications and region is also included. The Amino Silicone Oil Sales Market for major regions is given. Additionally, type wise and application wise consumption figures are also given.. Regions covered in the report:. • North America. • China. • Europe. • Japan. • India. • Southeast Asia. With the help of supply and consumption data, gap between these two is also explained.. Get Discount on Amino Silicone Oil Sales Market Research Report at: http://www.absolutereports.com/enquiry/request-discount/10360486. To provide information on competitive landscape, this report includes detailed ...
Define silicone rubber: rubber made from silicone elastomers and noted for its retention of flexibility, resilience, and tensile strength over a wide…
Silicone Rubber definition, Made from silicone elastomers; retains flexibility resilience and tensile strength over a wide temperature range.. See more.
526911746 - EP 3625299 A1 20200325 - POLYADDITION-CROSSLINKABLE SILICONE COMPOSITION USEFUL FOR OVERMOLDING PARTS - [origin: WO2018178319A1] The field of the invention relates to the use of polyaddition-crosslinkable silicone compositions for the overmoulding of parts, in particular made of thermoplastic resin, by injection-molding processes. Thus, one of the subjects of the invention relates to a process for preparing composite articles composed of a rigid substrate made of glass, metal or thermoplastic resin and of a silicone elastomer with good mechanical properties and a good adhesion between the substrate and the silicone elastomer so that there is a solid connection between the two portions. The composite articles according to invention are used in very diverse fields such as electrical and electronic equipment, motor vehicle and medical equipment and they can be found for example in household appliances, consumer goods, medical equipment and sport and leisure articles.[origin: WO2018178319A1] The
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0025]After investigating the actual optical absorption of a given silicone or silicone rubber, a UV light wavelength (or photon energy) is chosen that allows the material to absorb the UV photons selectively and exclusively on the Si--C bond electrons. Above a given power of the light source at that wavelength (of the order of 100 MW), all Si--C bond electrons that are present in the silicone volume that is traversed by the laser beam may be brought to absorb these UV photons quasi-simultaneously, over a very short period of time (on the order of 1-2 ns). That absorption produces the quasi-simultaneous breaking of these Si--C bonds, thus separating the corresponding organic species, e.g., organic radicals from the original silicone structure. While these radicals form a gas that disperses in the environment, the Si--O backbones of the now partially decomposed polymer remain as the sole part of the silicone that has not absorbed the UV photons. Meanwhile, each of the Si atoms in the polymer ...
Silicone Technology Corp. is headquartered in Newport News, Virginia. Custom keypads are just one of the many products manufactured by Silicone Technology Corp. We use a unique injection molding process with Dow and GE Silicones. This combination of technology and quality offers you a competitive domestic supplier of custom keypads and other silicone rubber products. Copyright © 2018 Silicone Technology Corporation.. ...
Moretto, Hans-Heinrich; Schulze, Manfred; Wagner, Gebhard (2005). "Silicones". Ullmann's Encyclopedia of Industrial Chemistry. ...
"The inertness of silicones toward warmblooded animals has been demonstrated in a number of tests." With an LD50 in rats of >50 ... Because silicones are heavily used in biomedical and cosmetic applications, their toxicology has been intensively examined. " ... The siloxane functional group forms the backbone of silicones, the premier example of which is polydimethylsiloxane. The ... Cyclomethicones are a group of methyl siloxanes, a class of liquid silicones (cyclic polydimethylsiloxane polymers) that ...
Unlike silicone (below) this material is porous, meaning that it can harbor bacteria. Silicone. Dildos and vibrators made of ... A special example of these are Feeldoe, Sysil, Super Strapless Silicone Dildo, Share, Nexus Maximus and Transfer, which has an ... Separately sold removable silicone tops add extra texture or penetration options Haberlandt, M. (1899). "Conträre Sexual- ...
Walter Noll (2 December 2012). Chemistry and Technology of Silicones. Elsevier. pp. 468-. ISBN 978-0-323-14140-6. "3M™ ...
Typical antimisting agents are silicones. Wax crystal modifiers are dewaxing aids that improve the ability of oil filters to ...
"Silicone Technology". www.k-rend.co.uk. Snell, David (August 2012). "How to..two-coat render a wall". The Telegraph. The ...
... silicone rubber; epoxy resin; nickel. The machines can be large or small depending on the size of part required. Ashida, ...
Silicones and polyglycols are also used. The concentrate comprises only a small volume of a can of hairspray. Most of a ...
Usually polymers, usually silicones, e.g., Dimethicone or Cyclopentasiloxane. Lubricants, such as fatty alcohols, Panthenol, ... modern science has advanced the hair conditioner industry to include those made with silicone, fatty alcohols, and quaternary ...
"Global Amino Silicone Oil Market". Report Today. Retrieved 7 November 2017. "Dow Corning Website". "Momentive Website". "Shin- ... In this partnership, KCC gains a company with a history in silicone emulsification. Economy of South Korea Jeonju KCC Egis "KCC ... Various types of industrial materials such as epoxy moulding compound, alumina metallizing, silicone etc. are produced in 13 ... KCC's silicone is one of major market which is developing. There are some main rivals for this Korean company to develop market ...
DEs based on silicone (PDMS) and natural rubber are promising research fields. Properties such as fast response times and ... Silicones and acrylic elastomers are other alternatives. The requirements for an elastomer material are: The material should ... Madsen, Frederikke B.; Daugaard, Anders E.; Hvilsted, Søren; Skov, Anne L. (1 March 2016). "The Current State of Silicone-Based ... Materials used in research include graphite powder, silicone oil / graphite mixtures, gold electrodes. The electrode should be ...
Jackson, Frederick E.; Pratt, Richard A. (1971). "Technical report: A silicone rubber suction drain for drainage of subdural ... "Silicone rubber 'brain drain'". Zeitschrift für Neurologie. 201 (1): 92-4. doi:10.1007/BF00316724. PMID 4112388. ...
Epoxy edge-gluing, on the other hand, is strong and nearly invisible, but deteriorates in direct sunlight, while silicone edge- ... and silicone edge-gluing. Each of these has its own inherent benefits and problems. For instance, copper foiling produces a ...
The Silicone S 10 is the procedure most often used in plastination and creates opaque, natural-looking specimen. Dow Corning ... In the third step, the specimen is then placed in a bath of liquid polymer, such as silicone rubber, polyester, or epoxy resin ... "The Silicone S 10". International Society for Plastination. 2008. Retrieved 19 May 2009. "The COR-TECH Room Temperature". ... Other methods used in modern times include the Silicone S 10 Standard Procedure, the Cor-Tech Room temperature procedure, the ...
Written by Willam Belli, the song is a parody of Robyn's "Dancing On My Own". The song refers to the use of silicone to alter ... "DWV Silicone Music Video , Detox , Willam Belli , Vicky Vox". homorazzi.com. 6 May 2013. Archived from the original on 8 May ... "Silicone", alongside the premiere of the reunion episode of RuPaul's Drag Race. ...
Silicone based liquid roofing. Neoprene Based liquid roofing. Butyl/Rubber Based liquid roofing. Modified Bitumen are long ...
Many skin care products, sun screens, and fabric softeners are made from silicone macroemulsions. Silicone's is chosen because ... ISBN 978-0471-18647-2. "Silicone Macroemulsions And Microemulsions". Dow Corning Corporation. Retrieved 30 Apr 2012. Totten, ...
Chloromethane is a precursor to chlorosilanes and silicones. Chlorodifluoromethane (CHClF2) is used to make teflon. Alkyl ...
Silicones are typical MRA compounds in this category. Semi-permanent coatings: the coating, if applied correctly, will last for ... Acetal Acrylic Epoxy Fluorocarbons Ionomer Polybutylene Polyester Polystyrene Polyurethane Silicone Various foods (especially ...
"Platinum catalysts used in the silicones industry" (PDF). Platinum Metals Review. 41 (2): 66-74. Stein, Judith; Lewis, L. N.; ...
Due to this, most high quality pasties are made of hypoallergenic silicone and use special adhesives to reduce the chances of ... "Silicone Nipple Covers: Reviews & Recommendations". Best Nipple Covers. "Pastease Strapless Micro-Bikini - Pastease Australia ...
Many subdermal implants are made out of silicone, either carved or mold injected. Many people who have subdermal implants use ... The cosmetic variant can be molded into any shape desired; though usually made of silicone. However, Teflon variants exist as ... Cosmetic Implants range from small subdermal silicone implants to form desired shapes and forms, ranging to LED light implants ... Although individual ball implants would present too many problems due to migration, flat premade square silicone "character" ...
As one of the first companies to offer custom silicone bracelets and wristbands, Reminderband Inc. has developed an innovative ... In 2006, Reminderband's founders launched a subsidiary company called iFrogz, a line of silicone iPhone cases and headphones, ... is an American international company that manufactures and sells customized silicone wristbands and bracelets for multiple ... Gel bracelet Livestrong wristband Silicone bracelets Wristband Medical alert bracelets Bob Mims (September 23, 2006). "What is ...
"Vacuum Degassing Epoxy & Silicone" (PDF). LACO Technologies, Inc. Retrieved February 10, 2012. "Vacuum Drying" (PDF). LACO ... To assure a bubble-free mold when mixing resin and silicone rubbers and slower-setting harder resins, a vacuum chamber is ...
Wingman - a foldable, silicone disc. Special Needs Approved by AblePlay Dr. Toy Best Toy for Vacation Gold Award, Family Review ... Waboba is most known for its invention of balls that bounce on water, the high bouncing Moon ball, and the Wingman silicone ... "Waboba Wingman - Foldable silicone flying disc". Waboba. Retrieved 2019-12-23. "Archived copy". Archived from the original on ...
"Isabel Fillardis adere ao silicone". Terra Networks. December 29, 2004. Retrieved December 18, 2011. CS1 maint: discouraged ...
Examples include silicone oil, waxes. Antitranspirants, Agriculture Information Bank v t e v t e. ...
VITREOUS TRANSFER AND SILICONE INJECTIONS. Transactions-American Academy of Ophthalmology and Otolaryngology. American Academy ... 1962). The use of liquid silicone in retinal detachment surgery. Archives of Ophthalmology. 68(5): 590-599. Cibis, P. A., & ...
Stoma adjustable silicone gastric banding. Surg Rounds 1991; January: 19-28 Kuzmak LI. Stoma adjustable silicone gastric ... A preliminary report on a silicone gastric banding for obesity. Clin Nutr 1986; 5 (Suppl): 73-7 Kuzmak LI. Silicone gastric ... He also wrote a book chapter on the subject, presenting results on 212 patients with what he called non-inflatable silicone ... In 1983, Kuzmak developed a Dacron-reinforced silicone band with a buckle, along with a banding instrument and a calibrating ...
Cleavage enhancement Chugay, Nikolas V.; Chugay, Paul N.; Shiffman, Melvin A. (2014-04-11). Body Sculpting with Silicone ...
Uses of Silicone. Moldmaking material. Two-part silicone systems are used to create rubber molds, which can be used for ... Silicone rubber. A flexible, rubbery polysiloxane is known as silicone rubber. It can be extruded into tubes, strips, solid ... One-part silicone sealants are in common use to seal gaps, joints, and crevices in buildings. These silicones cure by absorbing ... Silicone breast implants. In the 1980s and 1990s, controversy developed around claims that the silicone gel in breast implants ...
... according to Silicone For Scars. Other highly rated silicone scar sheets include Epi-Derm Silicone Gel Sheeting, Biodermis... ... Cica Care and Mepitac Silicone Tape are good silicone scar sheets, ... Cica Care and Mepitac Silicone Tape are good silicone scar sheets, according to Silicone For Scars. Other highly rated silicone ... Mepitac Silicone Tape is waterproof and sticks firmly to the skin. It is also thinner than many other types of silicone scar ...
A study of individuals who underwent illegal silicone injections revealed a high fatality rate from pulmonary silicone embolism ... Liquid silicone, which is often used for breast augmentation and other cosmetic procedures, can cause respiratory failure if ... A study of individuals who underwent illegal silicone injections revealed a high fatality rate from pulmonary silicone embolism ... Illicit cosmetic silicone injections carry lethal consequences. November 30, 2006. ScienceBlog.com ...
This dont contain any SILICONE and is 100% paintable when dry.. Silicone contains a portion of it base as silicone, which is a ... Silicone. This response submitted by George on 11/19/01. ( [email protected] ) 64.12.96.236 Shane,. Do you really intend on ... Not SILICONE. This response submitted by John C on 11/20/01. ( ) 208.44.115.157 When using fully tanned capes Siliconised Latex ... Silicones/caulking for hide paste.. Submitted by Shane on 11/19/01. ( [email protected] ) 208.132.28.137 I recently ...
Shop The Pampered Chef Silicone-Coated Sauce Whisk and other top kitchen products. Explore new recipes, get cooking ideas, and ... Exclusive 10" whisk features silicone coated stainless steel wires that are ideal for use with nonstick cookware. Silicone ... Keep away from sharp objects to avoid tearing silicone coated wires. Guarantee. *Three-year guarantee for noncommercial use. ... Keep away from sharp objects to avoid tearing silicone coated wires. Guarantee. *Three-year guarantee for noncommercial use. ...
Elastomerics silicone foam used in gasketing Silicone Engineering Silicone Foam used in Rail and Mass Transit Systems Silicone ... Silicone foam is a synthetic rubber product used in gasketing, sheets and firestops. It is available in solid, cured form as ... Firestop Gerald W. Brown Vulcanisation Rubber YouTube video showing silicone foam being mixed and expanded United States ... Gaskets Sheets High temperature tubes for autoclaves Firestops Surfactants When the constituent components of silicone foam are ...
Silicone grease, sometimes called dielectric grease, is a waterproof grease made by combining a silicone oil with a thickener. ... Electrical utilities use silicone grease to lubricate separable elbows on lines that must endure high temperatures. Silicone ... "Solubility of silicone fluids" (PDF). Retrieved March 6, 2019. Haiduc, I., "Silicone Grease: A Serendipitous Reagent for the ... More specialized silicone greases are made from fluorinated silicones or, for low-temperature applications, PDMS containing ...
Other silicone liquids are cyclosiloxanes. Applications[edit]. Silicone oils are primarily used as lubricants, thermic fluid ... Consumer products to control flatulence often contain silicone oil. Silicone oils have been used as a vitreous fluid substitute ... Silicone oil is also commonly used as the working fluid in dashpots, wet-type transformers, diffusion pumps and in oil-filled ... Some silicone oils, such as simethicone, are potent anti-foaming agents due to their low surface tension. They are used in ...
PRODUCTS 1 Silicone Demand by Product 2 Silicone Fluid Demand 3 Silicone Fluid Demand by Application 4 Silicone Fluid Demand by ... Market 5 Silicone Resin Demand 6 Silicone Resin Demand by Application 7 Silicone Resin Demand by Market 8 Silicone Elastomer ... Demand 9 Silicone Elastomer Demand by Application 10 Silicone Elastomer Demand by Market 11 Silicone Gel Demand 12 Silicone ... 7 Silicone Emollient Demand 8 Silicone Conditioning Agent Demand 9 Silicone Defoamer Demand by Application 10 Other Silicone ...
Source for information on Frederick Kipping Develops Silicones: Science and Its Times: Understanding the Social Significance of ... Frederick Kipping Develops Silicones. Overview. Silicones are a class of mixed inorganic/organic polymers developed in the ... It is difficult to overstate the impact that the family of silicones has had on our society. Silicone rubber, for example, ... Unlike conventional compounds, silicone grease doesnt congeal at these temperatures and silicone hydraulic fluids become only ...
Silicone The term silica denotes the compound silicon dioxide, SiO2. It is a ubiquitous chemical substance with rich chemical ... silicone Odourless and colourless polymer based on silicon. Silicones are inert and stable at high temperatures, and are used ... Silicones. Silicones (or silicon-based materials) are an integral part of daily life. These materials make our denim clothing ... How Are Silicones Used?. Silicones are highly valued materials because they have a combination of physical properties not found ...
Silicones - enabling the next big leap in prosthetics and health. Silicones play a very important role in healthcare, enabling ... Silicones - enabling the next big leap in prosthetics and health. Prosthetics have been used for hundreds of years, but for ...
The light gray Silicone Case for iPhone XS protects and fits snugly over the curves of your iPhone, without adding bulk. Learn ... On the outside, the silky, soft-touch finish of the silicone exterior feels great in your hand. And you can keep it on all the ... Designed by Apple to complement iPhone XS, the form of the silicone case fits snugly over the volume buttons, side button, and ...
Facebook question about iPhone XS Silicone Case - (PRODUCT)RED on Facebook * Twitter question about iPhone XS Silicone Case - ( ... Warranty on Silicone Case?. Received silicon case for Christmas and corner is bent and slice came off of the side. Wondering if ... What is the material on this case..plastic or silicone? * Asked by Jana E from Mesquite ... Flag as inappropriate (What is the material on this case..plastic or silicone?) ...
The basis for all silicones is quartz sand or silica from which silicon is obtained in the... ... Silicones are oligomers or polymers of organic siloxanes, which are products of organochlorosilanes [1]. ... M.J. Owen, Properties and applications of silicones applications of PDMS. Silicones Silicone-Modified Mater. 13-18 (2010)Google ... A. Colas, J. Curtis, Silicone Biomaterials : History and Chemistry Medical Applications of Silicones Dow Corning Corporation ...
Silicone Rubber. Clear Silicone Rubber. A demonstration on moldmaking with clear silicone rubber ... Silicone Rubber sugru is the exciting new air-curing rubber that can be formed by hand.. sugru is the exciting new air-curing ... It bonds to most materials and turns into a strong, flexible silicone rubber overnight. Developed by a team of product ...
Silicone, any of a diverse class of fluids, resins, or elastomers based on polymerized siloxanes, substances whose molecules ... inorganic polymer: Silicones. Silicones are polymeric organosilicon compounds containing Si―O―Si linkages and Si―C bonds. They ... situation was the choice of silicone rubber as a poppet in an early heart valve design. The silicone absorbed lipid from plasma ... Silicone, also called polysiloxane, any of a diverse class of fluids, resins, or elastomers based on polymerized siloxanes, ...
... silicone: Applications: Vulcanized silicone rubber is prepared in two principal forms: (1) as room-temperature-vulcanizing (RTV ... In silicone: Applications. Vulcanized silicone rubber is prepared in two principal forms: (1) as room-temperature-vulcanizing ( ... In major industrial polymers: Polysiloxanes (silicones). Vulcanized silicone rubber is prepared in two principal forms: (1) as ... Other articles where Silicone rubber is discussed: ... Silicone rubber. chemical compound. THIS IS A DIRECTORY PAGE. ...
Silicone Barrier Cream. Br Med J 1956; 1 doi: https://doi.org/10.1136/bmj.1.4976.1169-c (Published 19 May 1956) Cite this as: ...
Sore gums are no match for the Itzy Ritzy silicone teether! Itzy Ritzy teethers are safe on babys gums and the open design ... US Baby Silicone Teething Soother Bead Infant Dummy Clip Pacifier Chain Chew Toy ... 2 Pack Silicone Pacifier Clips Teething Beads BPA Free Teether Toys Holder USA ... Itzy Ritzy Silicone Baby Teether BPA-Free Infant Chew Teether Green Latte ...
I have had silicone implants since 1992 without a problem. However... ... What are the symptoms of silicone breast implants leaking? ... Silicone breast implants. What are the symptoms of silicone ... I have had silicone implants since 1992 without a. problem. However in the last six months I have suffered muscle fatigue and ... Despite all the publicity about the effect of leaking silicone breast implants - especially from the USA where medical ...
Quicklook Williams Sonoma Plane, Truck & Train Silicone Pancake Molds Sugg. Price $14.95 Sale $9.99 ... Quicklook Trudeau Pro Silicone Ultimate Bakeware Set Sugg. Price $108.80 Our Price $99.95 ... Quicklook Halloween Silicone Cookie Stamps, Set of 3 Sugg. Price $12.95 Sale $4.99 ... Quicklook Fall Silicone Cookie Stamps, Set of 3 Sugg. Price $12.95 Sale $5.99 ...
Silicone rubbers constitute about 30% of the silicone family, making them the largest group of that family. Silicone rubbers ... "Liquid Silicone Rubber - Injection Molding Guide" (PDF). Bluestar Silicones.. *^ "Liquid Injection Molding". Elastomer ... Liquid silicone rubber is a high purity platinum cured silicone with low compression set, great stability and ability to resist ... Often, silicone rubber is overmolded onto other parts made of different plastics. For example, a silicone button face might be ...
Title: SILICONE DE VEDAÇÃO, Author: Morelate Peças, Name: SILICONE DE VEDAÇÃO, Length: 1 pages, Page: 1, Published: 2019-03-14 ... SILICONE PRETO ALTA TEMPERATURA DIRKO 700620 , 043125. 100 GRAMAS / 70 ML FECHAMENTO DE MOTORES, JUNTAS DIVERSAS, JUNTA QUÍMICA ...
Silicones have excellent thermal stability, water repellency, and electrical insulation properties. Patterned stamps prepared ... Silicone (polysiloxane) polymers can be classified as fluids, elastomers, and resins. Polymers of moderate molecular weight are ... Silicone (polysiloxane) polymers can be classified as fluids, elastomers, and resins. Polymers of moderate molecular weight are ... Silicones have excellent thermal stability, water repellency, and electrical insulation properties. Patterned stamps prepared ...
We are Prosil Silicones Limited based in BARODA , India. We are member of Tradekey.com since May, 2009. Our business is related ... Silicone oil Silicone Emulsion Silicone Spray SILANE SILICONE OIL Mfrs in INDIA we are Mfrs of FOOD GRADE PHARMAGRADE Silicone ... Silicone oil Silicone Emulsion Silicone Spray SILANE SILICONE OIL Mfrs in INDIA we are Mfrs of FOOD GRADE PHARMAGRADE Silicone ... Our business is related to Chemicals industry and we specifically deal in Silicone oil Silicone Fluids Dimethicone Simethicone ...
VMQ - Silicone Sheeting Trelleborg silicone meets the demanding European regulation (EC) 1935/2004 on materials and articles ...
The semiconductor back-end faces constant and emerging challenges including novel manufacturing technologies, the continued reduction in bond pad pitch, the emergence of multichip packages and package-on-package assemblies, and perpetual demand for more I/Os.. These trends are fueling more technologically sophisticated and environmentally friendly manufacturing processes, as well as new device architectures that deliver increased performance and uncompromising reliability. Our broad portfolio of proven silicon-based thermal interface materials, die attach adhesives, lid seal adhesives, die encapsulants and conformal coatings are designed to help you meet these evolving industry demands. Delivering consistent performance in the most extreme chip-manufacturing environments, they offer numerous benefits, including:. ...
... Steven OConnell, Laurel Kincl, Ph.D., Kim Anderson, Ph.D.. Oregon State ... NIEHS-funded investigators report that commercially available silicone wristbands absorb a wide range of compounds and can be ... The researchers developed a way to extract and analyze an unprecedented number of chemical compounds from silicone wristbands ... Silicone wristbands as personal passive samplers. Environ Sci Technol 48(6):3327-3335. ...
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Silicone Paste for the many areas of your vehicle that require long-term protection from the harsh conditions of environmental ... So many uses, so much value - our 3M™ Silicone Paste is a non-hardening, water resistant, 100% silicone-based compound designed ... Use 3M™ Silicone Paste for the many areas of your vehicle that require long-term protection from the harsh conditions of ... A brush is permanently attached to the top of the container to make applying 3M™ Silicone Paste more convenient. Recommended ...
Silicone in Syringe Sterilization. Br Med J 1951; 1 doi: https://doi.org/10.1136/bmj.1.4701.300-d (Published 10 February 1951) ...
Most silicone masks used in movies and other events must be sculpted in clay on a head form, then molded and cast in silicone. ... Set the containers of a clear, rapid-setting silicone on the work table. These silicones are often sold in two parts, and are ... Mix a smaller batch of silicone with pigment using a paint stick. Add a few drops of a thickening agent, turning the silicone ... Smooth out the final layer with a paint brush dipped in rubbing alcohol as the silicone cures. You can also tap the silicone ...
2. Cytotoxicity of CommerciallyCytotoxicity of Commercially Available Silicone MaterialAvailable Silicone Material Used for ... Cytotoxicity of silicone/ general dentistry services * 1. www.indiandentalacademy.comwww.indiandentalacademy.com INDIAN DENTAL ... Realistic and Biomed silicone materials. Two commercially available materials Biomed and Realistic were used to evaluate ...
6. Maharashtra, India Industrial Silicone Products  Silicone Thread Lubricants  SimethiconeSilicone Defoamer  Silicone ... M. R. Silicone Industries Thane India * 1. Manufacturer & Supplier of Silicon Products© M. R. Silicone Industries, All Rights ... 7. Maharashtra, India  Silicone Mould Release Compound Ink Follower  Amino Silicone Emulsion  Poly ISO Butylenes© M. R. ... 8. Maharashtra, India Industrial Grease  Silicone Grease  Lithium Grease  Mechanism Grease  Nickle Grease© M. R. Silicone ...
  • Momentive has just published two new product selection guides for its aerospace silicone adhesive sealants, available via the company's authorised UK distributor, Techsil. (aero-mag.com)
  • The most common siloxane is polydimethylsiloxane (PDMS), a silicone oil. (newworldencyclopedia.org)
  • The most common siloxane is linear polydimethylsiloxane (PDMS), a silicone oil (see the structure shown in the figure). (newworldencyclopedia.org)
  • The second largest group of silicone materials is based on silicone resins. (newworldencyclopedia.org)
  • The second largest group of silicone materials is based on silicone resins, which are formed by branched and cage-like oligosiloxanes. (newworldencyclopedia.org)
  • This can be used to produce hard silicone resins. (newworldencyclopedia.org)
  • Modern silicone resins are made with tetraethoxysilane, which reacts in a milder and more controllable manner than chlorosilanes. (newworldencyclopedia.org)
  • Silicone hydrogel contact lenses are an advanced type of soft contact lenses and offer a variety of benefits. (feelgoodcontacts.com)
  • Silicone hydrogel contact lenses are some of the most popular around and are unique in that they allow up to five times the amount of oxygen to travel through them than other lenses do. (feelgoodcontacts.com)
  • Silicone hydrogel contact lenses are highly beneficial to those who suffer from dry eye and want a slightly longer wearing time than most other contact lenses provide. (feelgoodcontacts.com)
  • What vision problems do silicone hydrogel contact lenses correct? (feelgoodcontacts.com)
  • Why should I choose silicone hydrogel contact lenses? (feelgoodcontacts.com)
  • Silicone hydrogel daily contact lenses are incredibly popular, based on their convenience and comfort. (feelgoodcontacts.com)
  • There are a number of popular silicone hydrogel monthly contact lenses to choose from and for great value. (feelgoodcontacts.com)
  • These silicone hydrogel 2-weekly contact lenses provide great value for money compared to dailies and hygiene than monthlies as they are replaced more regularly. (feelgoodcontacts.com)
  • What are the best silicone hydrogel contact lenses? (feelgoodcontacts.com)
  • Silicone hydrogel contact lenses are soft lenses that have been developed specifically for continuous wear, made of a material with superior oxygen permeability - more oxygen reaches the cornea. (lentiamo.co.uk)
  • Coghlan's Silicone Travel Bottles are made of high-purity, FDA food safe silicone that are ideal for many different liquids including toiletries and food products. (coghlans.com)
  • The Silicone Travel Bottles are not designed for long term storage as leaving the liquid or gel inside the silicone bottle for long durations could cause products to dry out or change texture if stored for long periods of time (greater than one month). (coghlans.com)
  • From launch to landing, Momentive's advanced silicone products enable the next generation of space exploration. (aero-mag.com)
  • Low Outgassing Silicones: Low outgassing solutions are needed to protect crew compartments and sensitive optical equipment from material contamination in extreme temperatures. (aero-mag.com)
  • Comfort - eyes remain fresh and healthy until the end of the day when wearing silicone hydrogel, as the soft material is highly breathable, allowing plenty of oxygen to enter and exit the eye. (feelgoodcontacts.com)
  • Silicone hydrogel material is suitable for extended wear lenses, making them more breathable, allowing you to wear your lenses without having to remove them overnight. (feelgoodcontacts.com)
  • It is also thinner than many other types of silicone scar sheets. (reference.com)
  • Dr. Restrepo and colleagues compiled the imaging findings of 44 patients with pulmonary embolism that resulted from illegal silicone injection, constituting the largest case series to date. (scienceblog.com)
  • Seven patients who presented to the hospital with respiratory distress due to illicit silicone injection were studied, along with an additional 37 cases from the literature. (scienceblog.com)
  • If approved by your optician, silicone hydrogel extended wear lenses can be worn continuously for up to 7 days or a month. (feelgoodcontacts.com)
  • A study of individuals who underwent illegal silicone injections revealed a high fatality rate from pulmonary silicone embolism, or obstruction of the lungs. (scienceblog.com)
  • The U.S. Food and Drug Administration banned silicone injections in 1992, but people still seek them out because they are cheaper and easier to get than professional plastic surgery or hormone therapy and provide immediate results. (scienceblog.com)
  • A Dallas performer known for giving silicone injections turned herself in Wednesday after one of her clients landed in the hospital, New Orleans police said. (huffpost.com)
  • The lesions developed ten years prior to her presentation and approximately five years after she received illegal silicone injections to her buttocks. (elsevier.com)
  • Silicone granuloma is a not an uncommon side effect of silicone injections and more often occurs when the filler is administered by non-physician practitioners, as is the case in this patient. (elsevier.com)
  • By varying their composition and molecular structures, silicones with a range of properties can be prepared. (newworldencyclopedia.org)
  • Many silicone liquids are linear polymers end-capped with trimethylsilyl groups . (wikipedia.org)
  • Silicones are a class of mixed inorganic/organic polymers developed in the early twentieth century. (encyclopedia.com)
  • Such organic/inorganic polymers are called silicones. (encyclopedia.com)
  • In many ways, silicones were nearly ideal as polymers. (encyclopedia.com)
  • The material is a mixture of silicone polymers and boric acid . (encyclopedia.com)
  • The silicones differ from most industrial polymers in that the chains of linked atoms that make up the backbones of their molecules do not contain carbon , the characteristic element of organic compounds . (britannica.com)
  • Silicones are a large group of compounds that include large polymers containing silicon. (sci-toys.com)
  • Silicones (more accurately called polymerized siloxanes or polysiloxanes ) are mixed inorganic- organic polymers . (newworldencyclopedia.org)
  • On Friday May 3, 2019, a massive explosion and fire occurred at the AB Specialty Silicones facility in Waukegan, IL, killing four workers and causing extensive damage to nearby businesses. (csb.gov)
  • AB Specialty Silicones offers an extensive line of silicone based ingredients as well as the ability to custom formulate raw materials and blends to specifically suit your needs. (happi.com)
  • AB Specialty Silicones staffer was instrumental in the process with government agencies. (happi.com)
  • Most commonly, the silicone oil is polydimethylsiloxane (PDMS) and the thickener is amorphous fumed silica. (wikipedia.org)
  • More specialized silicone greases are made from fluorinated silicones or, for low-temperature applications, PDMS containing some phenyl substituents in place of methyl groups. (wikipedia.org)
  • M.J. Owen, Properties and applications of silicones applications of PDMS. (springer.com)
  • The most common siloxane is polydimethylsiloxane (PDMS), a silicone oil. (newworldencyclopedia.org)
  • The most common siloxane is linear polydimethylsiloxane (PDMS), a silicone oil (see the structure shown in the figure). (newworldencyclopedia.org)
  • Silicone oils are primarily used as lubricants , thermic fluid oils or hydraulic fluids . (wikipedia.org)
  • Silicone oils used as lubricants can be inadvertent defoamers (contaminants) in processes where foam is desired, such as in the manufacture of polyurethane foam. (wikipedia.org)
  • Moderate growth is also expected in industrial and automotive applications, where silicone fluids can be used in greases, lubricants and polishes. (redorbit.com)
  • Silicone lubricants, including the ubiquitous WD-40, keep bicycles running smoothly, keep doors opening quietly, and keep engines and gears operating efficiently for years at a time. (encyclopedia.com)
  • AMSOIL Silicone Spray protects with a dry lubricating film ideal for surfaces that may be damaged by conventional lubricants such as grease or oil. (amsoil.com)
  • Silicones are used as emollients (skin softeners), as lubricants, as thickeners, and as volatile liquids that make coatings feel smooth, but evaporate without leaving a greasy residue. (sci-toys.com)
  • The increased use of silicone gel-filled breast implants will also stimulate demand in the medical segment, following their reintroduction to the US market in late 2006. (redorbit.com)
  • Other uses include electrical insulation, flexible molds, heat-resistant seals, and as surgical implants (most notoriously as silicone breast implants that resulted in numerous legal suits in the 1990s, but also for plastic surgery and other surgical uses). (encyclopedia.com)
  • What are the symptoms of silicone breast implants leaking? (netdoctor.co.uk)
  • A Food and Drug Administration expert panel voted narrowly yesterday against allowing silicone gel breast implants back on the market for general use, saying the available scientific data are too scant to provide assurance that newer versions would be safe. (washingtonpost.com)
  • Inamed's Patricia Walker testified that data show the safety of the silicone gel breast implants. (washingtonpost.com)
  • There are two basic types of breast implants: saline and silicone gel. (webmd.com)
  • But silicone breast implants may cause no obvious symptoms when they rupture. (webmd.com)
  • Platinum is a metal used as a catalyst in the manufacture of the shell and gel components of silicone breast implants. (fda.gov)
  • This backgrounder provides a brief summary of some of the key scientific studies on platinum in silicone gel-filled breast implants. (fda.gov)
  • Claims have been made that one of these chemicals, called hexachloroplatinate (or platinate), is present in silicone breast implants. (fda.gov)
  • In 1999, Harbut and Churchill 3 hypothesized that hexachloroplatinate was responsible for asthma reported in eight women who either currently, or in the past, had silicone gel breast implants. (fda.gov)
  • After the IOM report, FDA scientists reviewed the available studies from the medical literature on platinum and breast implants and did not find evidence that platinum present in silicone gel breast implants causes illness in women with breast implants. (fda.gov)
  • Many chemical processes require platinum catalysts but the manufacture of speciality silicones is one of the most significant. (matthey.com)
  • Although silicones are normally assumed to be chemically inert, several historically significant compounds have resulted from unintended reactions with silicones. (wikipedia.org)
  • The first salts of crown ethers (OSi(CH3)2)n (n = 6, 7) were produced by reactions of organolithium and organopotassium compounds with silicone greases or the serendipitous reaction of stannanetriol with silicone grease to afford a cage-like compound having three Sn−O−Si−O−Sn linkages in the molecule. (wikipedia.org)
  • As mentioned above, silicone compounds retain their physical properties over a wide range of temperatures. (encyclopedia.com)
  • NIEHS-funded investigators report that commercially available silicone wristbands absorb a wide range of compounds and can be used to passively measure personal exposures. (nih.gov)
  • The researchers developed a way to extract and analyze an unprecedented number of chemical compounds from silicone wristbands after they are worn. (nih.gov)
  • Almost 100,000 companies-most of them small and medium-sized-use silicone compounds directly in their manufacturing, while contributing to the livelihood of more than 140,000 downstream companies of many sizes and activities. (acs.org)
  • Silicones are synthesized from chlorosilanes, tetraethoxysilane, and related compounds. (newworldencyclopedia.org)
  • Greases formulated from silicone oils with silica thickener are sometimes referred to as silicone paste to distinguish them from silicone grease made with silicone oil and a soap thickener. (wikipedia.org)
  • Silicone grease is used with waterproof devices, as it has a very thick body and doesn't dissolve in water as most spirits and other liquids would. (wikipedia.org)
  • Other silicone liquids are cyclosiloxanes . (wikipedia.org)
  • The class of silicone oils known as cyclosiloxanes has many of the same properties as other non-cyclic siloxane liquids but also has a relatively high volatility , making it useful in a number of cosmetic products such as antiperspirant. (wikipedia.org)
  • Silicone (or other thick liquids) can be injected into body tissue to make certain areas of the body, such as the breasts, buttocks, thighs, and face, look fuller and more feminine. (cdc.gov)
  • There's no vaccine to prevent hepatitis C. Talk to your health care provider to learn more about hepatitis B and C. Injecting liquids like silicone can also cause other serious health problems - including abscesses, severe swelling of the skin, and disfigurement (and even death) - because they spread to other parts of the body through the bloodstream. (cdc.gov)
  • On the other hand, the Si-O bond is susceptible to hydrolysis and attack by acids and bases, so silicone plastics and rubbers are relatively weak and readily swollen by hydrocarbon oils. (britannica.com)
  • Valued for their electrical-insulating properties, chemical stability, and the wide temperature range over which they retain resiliency, silicone rubbers are used mainly in O-rings, heat-resistant seals, caulks, gaskets, electrical insulators, flexible molds, and (owing to their chemical inertness) surgical implants. (britannica.com)
  • Silicone rubbers constitute about 30% of the silicone family, making them the largest group of that family. (wikipedia.org)
  • Silicone rubbers maintain their mechanical properties over a wide range of temperatures and the presence of methyl-groups in silicone rubbers makes these materials extremely hydrophobic , making them suitable for electrical surface insulations. (wikipedia.org)
  • Maurice Nahabedian I don't use any of the oil implants, but I do frequently use the combination of saline and silicone gel implants. (breastcancer.org)
  • A silicone oil is any liquid polymerized siloxane with organic side chains. (wikipedia.org)
  • Some silicone oils, such as simethicone , are potent anti-foaming agents due to their low surface tension . (wikipedia.org)
  • Silicone oils have been used as a vitreous fluid substitute to treat difficult cases of retinal detachment, such as those complicated with proliferative vitreoretinopathy , large retinal tears, and penetrating ocular trauma. (wikipedia.org)
  • As a hydraulic fluid, silicone oils provide reliable service under the incredible variety of conditions found in military and commercial aircraft, nuclear submarines, and the family automobile. (encyclopedia.com)
  • Our Karstedt solutions are formulated with 0.05% - 20.00% w/w Pt in a variety of solvents and silicone oils. (matthey.com)
  • Highly cross-linked silicone films are used in cosmetics to form films that absorb sebum (skin oils) and prevent shine. (sci-toys.com)
  • And how many do-it-yourselfers have applied silicone caulk to a tub and, while trying to smooth it, found it adhering better to their fingers than to the tile? (ehow.com)
  • You want a tiny, even bead of silicone caulk for proper smoothing. (ehow.com)
  • Using your index finger, press into a corner and run your finger along the joint to which you've just applied the silicone caulk. (ehow.com)
  • If you still end up with a little excess silicone caulk smeared onto the tile or top of the tub, shower or sink, remove it promptly with a rag dipped in rubbing alcohol. (ehow.com)
  • The fumes released by curing silicone caulk can irritate your eyes, particularly if you wear contact lenses. (ehow.com)
  • Construction silicone may also be labeled as silicone caulk. (wikihow.com)
  • You may also find construction silicone labeled as silicone caulk. (wikihow.com)
  • Silicone caulk can be used as a basic sealant against water and air penetration. (newworldencyclopedia.org)
  • This is the chemistry used in many consumer applications, such as silicone caulk and adhesives . (newworldencyclopedia.org)
  • Kipping, under the misapprehension that he had developed ketones (a type of organic, biological molecule) with silicone substituting for one of the primary carbon atoms, called his discovery "silicone" (as opposed to silicon, the element). (encyclopedia.com)
  • Silanes, siloxanes, and silicones are commercially produced from silicon and methyl chloride in a process known as the "direct reaction" or the "Rochow-Muller direct process. (encyclopedia.com)
  • Silicones (or silicon-based materials) are an integral part of daily life. (encyclopedia.com)
  • Because Kipping thought that the structure of the repeating unit was essentially that of a ketone (the polymer chains formed by silicon atoms, with oxygen atoms attached by double bonds), he incorrectly called them silicones, a name that has persisted. (britannica.com)
  • Silicone is often mistakenly referred to as "silicon. (newworldencyclopedia.org)
  • Although silicones contain silicon atoms, they are not made up exclusively of silicon, and they have completely different physical characteristics from elemental silicon. (newworldencyclopedia.org)
  • On the other hand, a silicone molecule does not contain a double bond between a silicon atom and an oxygen atom. (newworldencyclopedia.org)
  • Silicone grease is widely used as a temporary sealant and a lubricant for interconnecting ground glass joints, as is typically used in laboratory glassware. (wikipedia.org)
  • A 100% silicone solids elastomer designed for electronic potting applications. (graco.com)
  • Silicone elastomer RTV is halogen-free, UL94 self extinguishing (V0) and is compliant to italian regulation UNI CEI 11170-3 (LR4). (hannovermesse.de)
  • Quicklook Williams Sonoma Plane, Truck & Train Silicone Pancake Molds Sugg. (williams-sonoma.com)
  • Silicone molds are favored by casters because they are easy to use and don't require much mold release. (wikihow.com)
  • Flexible and available in a wide assortment of shapes and sizes, silicone molds are great for baking and candy-making. (wilton.com)
  • Use silicone glass molds to create edible shot glasses or make small candies in a variety of seasonal shapes. (wilton.com)
  • Easy to use, store and clean, silicone molds, silicone baking cups, silicone candy molds and silicone cupcake liners are great options for making fun bite-sized treats! (wilton.com)
  • Designed by Apple to complement iPhone XS, the form of the silicone case fits snugly over the volume buttons, side button, and curves of your device without adding bulk. (apple.com)
  • Browsing around different threads I am seeing a merge of those silicone cases protecting the bottom of the iPhone X. a desirable feature. (macrumors.com)
  • iPhone 7/7Plus with Pink Sand Apple Silicone case? (macrumors.com)
  • Alternatives to iPhone 7 Silicone Case? (macrumors.com)
  • They are distilled (purified), and the isolated dimethyldichlorosilane is hydrolyzed to give siloxanes and silicones. (encyclopedia.com)
  • In addition, being largely inert chemically, silicones were ideal for many applications in both the chemical industry and for use in surgical procedures. (encyclopedia.com)
  • Silicone grease, sometimes called dielectric grease, is a waterproof grease made by combining a silicone oil with a thickener. (wikipedia.org)
  • Using this formulation, silicone grease is a translucent white viscous paste, with exact properties dependent on the type and proportion of the components. (wikipedia.org)
  • Thermal grease often consists of a silicone-grease base, along with added thermally conductive fillers. (wikipedia.org)
  • Pure silicone grease is widely used by the plumbing industry in faucets and seals, as well as in dental equipment. (wikipedia.org)
  • Electrical utilities use silicone grease to lubricate separable elbows on lines that must endure high temperatures. (wikipedia.org)
  • Lubrication of an apparatus with silicone grease may result in the reaction mixture being contaminated with the grease. (wikipedia.org)
  • In 1H NMR, silicone grease appears at a singlet at δ = 0.07 ppm in CDCl3, 0.09 in CD3CN, 0.29 in C6D6, and −0.06 ppm in (CD3)2SO. (wikipedia.org)
  • Tables of impurities commonly found in NMR spectroscopy have been prepared, and such tables include silicone grease. (wikipedia.org)
  • Silicone grease is widely used to lubricate threads of water-submersible flashlights used for diving and spearfishing. (wikipedia.org)
  • Nancy GM-amez, 46, of Boca Raton, and Martha MM-indez, 41, of Bogota, Colombia, allegedly ran a business to inject silicone into women's lips and other body parts to make them look fuller, said Enrique Torres, chief investigator for the Florida Department of Health's Unlicensed Activity Office. (sun-sentinel.com)
  • The baby bucket is made with FDA-approved, food-grade silicone that's oh-so-soft on your baby's skin. (yahoo.com)
  • Made with 100% food-grade silicone, you can ensure that your little one will be safe using this bib. (yahoo.com)
  • Construction markets will benefit from the rising use of higher performing silicone-based sealants/caulks and paints/ coatings. (redorbit.com)
  • Using advanced silicone technology and a bio-based carrier, Dow has developed a solution with greater natural content - without performance trade-offs. (dow.com)
  • With lustrous copper-colored handles, our hard-working silicone utensils blend superior functionality and fresh modern style. (williams-sonoma.com)
  • A.J.O. Lenick, Basic silicone chemistry-a review. (springer.com)
  • I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)
  • Metering units pump the two primary liquid materials, the catalyst and the base forming silicone, ensuring that the two materials maintain a constant ratio while being simultaneously released. (wikipedia.org)
  • Trelleborg silicone meets the demanding European regulation (EC) 1935/2004 on materials and articles intended to come into contact with food. (trelleborg.com)
  • Realistic and Biomed silicone materials. (slideshare.net)
  • Silicones are highly durable materials with excellent resistance to chemical corrosion, fire and extremes of temperature. (matthey.com)
  • It is not surprising, therefore, that silicone materials have many uses in everyday life. (matthey.com)
  • The development of a family of silicone sealants for the European market first satisfied the demands of this application, and since the passing of federal regulations permitting the introduction of composite headlamps in the U.S., these materials are offering several advantages to domestic car makers as well. (sae.org)
  • Silicone sealants retain their flexibility from -55°C to 200°C. The sealants offer excellent unprimed adhesion to a wide range of substrate materials, including glass, aluminum, steel, polycarbonate, acrylic, polyester, ABS and polyamide. (sae.org)
  • Taiwan-based Topco, which mainly distributes silicone materials for Japan's Shin-Etsu Chemical, expects to enjoy double-digit revenue growth in 2018 thanks to robust silicone demand. (digitimes.com)
  • Manufactured from only the highest quality materials and reinforcement fabrics, our silicone hoses are designed to operate at temperatures from - 50°C up to +180°C and at operating pressures of 2.5 - 4 bar. (hannovermesse.de)
  • Our Silicone Utensils collection is made of silicone and nylon for the perfect combination of flexibility and hardness. (williams-sonoma.com)
  • Silicone fluids are expected to post the most rapid gains of all the major product segments through 2012. (redorbit.com)
  • Our business is related to Chemicals industry and we specifically deal in Silicone oil Silicone Fluids Dimethicone Simethicone. (tradekey.com)
  • Some of the benefits of this pure silicone oil are: clear application, it is non-toxic, non-greasy, non-bioactive, it wont rancidify, it has high compressibility, dielectric strength, oxidation resistance, water repellency, and it is shearable with breakdown. (esslinger.com)
  • Silicones have excellent thermal stability, water repellency, and electrical insulation properties. (sigmaaldrich.com)
  • You can make a basic silicone mask through a process called building up, by constructing it from the inside out. (ehow.com)
  • Power Support's $30 Silicone Jacket for iPod touch ( ) is your basic silicone case. (macworld.com)
  • Premium bands made with durable silicone and stainless steel. (woot.com)
  • Designed with two fabrics, this Oxo Tot waterproof silicone bib has comfortable fabric around the neck and the pocket, where food is most likely going to have contact, is made out of durable silicone. (yahoo.com)
  • The company offers silicone baby bibs (with catch pockets) as well as both adult and kid-friendly placemats. (forbes.com)
  • All of these uses take advantage of one or more of the silicones' chief chemical advantages: resiliency over a wide range of temperatures, physical and chemical versatility, and chemical inertness. (encyclopedia.com)
  • Growth will be spurred by ongoing technological advancements and product innovation that will continue to improve the performance of silicone in a variety of markets and applications. (redorbit.com)
  • Within a wide range of applications, silicone conditioning agents are expected to post the strongest increases, followed closely by emollients. (redorbit.com)
  • Different types of silicones have been developed for a variety of applications. (newworldencyclopedia.org)
  • The soft flexible silicone provides a smooth comfortable feel and the patented, dual pin and tuck closure, provides added security for today's active lifestyle. (woot.com)
  • The woven-look, easy-care flexible silicone band is lightweight and perfect for wearing any time, even when you are exercising. (michaels.com)
  • More flexible and versatile than wood ribs, Xiem Ribs are made from silicone and are resistant to heat, solvents, stains, and cracks. (dickblick.com)
  • This flexible waterproof silicone bib by Modern Twist is memory-free, so it won't crinkle or wrinkle when you roll it up. (yahoo.com)
  • This white silicone band is flexible, making it both attractive and comfortable to wear. (riogrande.com)
  • As a result, silicones are remarkably stable, and they have the lowest glass-transition temperature (the temperature below which the molecules are locked in a rigid, glassy state) and the highest permeability to gases of any polymer. (britannica.com)
  • The paper will also include discussion of test methodology for measuring weepage as well as gasket design and compounding considerations to minimize oil permeability of silicone gaskets. (sae.org)
  • Silicone greases generally have an operating temperature range of approximately −40 to 200 °C (−40 to 392 °F) with some high-temperature versions extending this range slightly. (wikipedia.org)
  • Due to the thermosetting nature of the material, liquid silicone injection molding requires special treatment, such as intensive distributive mixing, while maintaining the material at a low temperature before it is pushed into the heated cavity and vulcanized . (wikipedia.org)
  • The experiments were carried out by exposing three intact explanted silicone gel-filled implants to 10% soy oil in a water-based mixture or to soy oil alone for 24 hours at body temperature. (fda.gov)
  • Adding a platinum compound to the silicone mixture catalyses the cross-linking or 'curing' process resulting in a desirable silicone product. (matthey.com)
  • Similarly, the company is now cutting prices on some of its popular product ranges like silicone cake mold collection, silicone O-ring collection, and more. (prweb.com)
  • Founded in 2003, TOGOHK has developed into a modern enterprise that offers its clients worldwide a one-stop silicone product solution from conception to delivery. (prweb.com)
  • However, my favorite product of theirs is the "munch-mate" feeding set that comes with a matching silicone cup, bowl and plate. (forbes.com)
  • LHSS manufacture silicone hoses designed to connect metal pipe work and components, in systems using water and ethylene glycol based coolants. (hannovermesse.de)
  • Silicones play a very important role in healthcare, enabling the development of advanced technologies through innovation. (euractiv.com)
  • The silicone is reassuringly thick, too, the better to protect against accidental dropping. (macworld.com)
  • These translucent silicone O-rings are 1/8" thick and measure 3-1/2" dia. (sciplus.com)
  • Silicone Rib 5 - Available in soft and firm models, these large ribs measure 2.2"W x 4.25"L x 1/4" thick. (dickblick.com)
  • Baking is good for the soul and our quality Silicone, Oval Baking range can help you in your quest for baking enlightenment. (marksandspencer.com)