Silicones. Medical search

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)

Silicone Breasts[edit]. Myth statement Status Notes Silicone breast implants may explode at high altitudes or low air pressure ... Will silicone breast implants explode or expand in low pressure?. Can a standard CD-ROM drive shatter a CD?. ...

https://en.wikipedia.org/wiki/MythBusters_

Subcutaneous soft silicone implant[edit]. This phalloplasty procedure involves the insertion of a subcutaneous soft silicone ... "A Retrospective Evaluation of the Safety and Effectiveness of a Silicone Block Implant for Elective Cosmetic Surgery of the ... "Shortened penis post penile prosthesis implantation treated with subcutaneous soft silicone penile implant: case report". ...

https://en.wikipedia.org/wiki/Phalloplasty

Silicone and rubber masks[edit]. Silicone and rubber oxygen masks are heavier than plastic masks. They are designed to provide ... They are either black rubber or clear silicone. Anesthesia masks fit over the mouth and nose and have a double hose system. One ... Anesthesia masks are either made of anti-static silicone or rubber, as a static electricity spark may ignite some anesthetic ... silicone, or rubber. In certain circumstances, oxygen may be delivered via a nasal cannula instead of a mask. ...

https://en.wikipedia.org/wiki/Oxygen_mask

DOT 5.1 is the non-silicone version of DOT 5, defined by FMVSS 116 as being less than 70% silicone. Above that threshold makes ... The United States armed forces have standardised on silicone brake fluid since the 1990s. Silicone fluid is used extensively in ... Silicone based fluid is more compressible than glycol based fluid, leading to brakes with a spongy feeling.[12] It can ... Silicone fluid does not allow moisture to enter the system, but does not disperse any that is already there, either. A system ...

https://en.wikipedia.org/wiki/Brake_fluid

Moretto, Hans-Heinrich; Schulze, Manfred; Wagner, Gebhard (2005). "Silicones". Ullmann's Encyclopedia of Industrial Chemistry. ...

https://en.wikipedia.org/wiki/Hexamethylcyclotrisiloxane

"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 ...

https://en.wikipedia.org/wiki/Siloxane

It is also used as part of silicone-based personal lubricants. D5 is considered an emollient. In Canada, among the volume used ... Sudarsanan Varaprath; Cecil L. Frye; Jerry Hamelink (1996). "Aqueous solubility of permethylsiloxanes (silicones)". ... "Silicones". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a24_057. Wang, De-Gao; ...

https://en.wikipedia.org/wiki/Decamethylcyclopentasiloxane

Moretto, Hans-Heinrich; Schulze, Manfred; Wagner, Gebhard (2005). "Silicones". Ullmann's Encyclopedia of Industrial Chemistry. ... Sudarsanan Varaprath; Cecil L. Frye; Jerry Hamelink (1996). "Aqueous solubility of permethylsiloxanes (silicones)". ...

https://en.wikipedia.org/wiki/Octamethylcyclotetrasiloxane

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- ...

https://en.wikipedia.org/wiki/Double_penetration_dildo

"The inertness of silicones toward warmblooded animals has been demonstrated in a number of tests." With an LD50 in rats of ,50 ... The siloxane functional group forms the backbone of silicones, the premier example of which is polydimethylsiloxane.[2] The ... Because silicones are heavily used in biomedical and cosmetic applications, their toxicology has been intensively examined. " ... Moretto, Hans-Heinrich; Schulze, Manfred; Wagner, Gebhard (2005). "Silicones". Ullmann's Encyclopedia of Industrial Chemistry. ...

https://en.wikipedia.org/wiki/Cyclomethicone

Walter Noll (2 December 2012). Chemistry and Technology of Silicones. Elsevier. pp. 468-. ISBN 978-0-323-14140-6. "3M™ ...

https://en.wikipedia.org/wiki/Liquid_dielectric

Typical antimisting agents are silicones. Wax crystal modifiers are dewaxing aids that improve the ability of oil filters to ...

https://en.wikipedia.org/wiki/Oil_additive

Sudarsanan Varaprath; Cecil L. Frye; Jerry Hamelink (1996). "Aqueous solubility of permethylsiloxanes (silicones)". ...

https://en.wikipedia.org/wiki/Hexamethyldisiloxane

... silicones and quartz products; security and sensors technology, and equipment financing, management and operating services. As ...

https://en.wikipedia.org/wiki/General_Electric

"Suicide - The Ultimate Choice". Scot & Silicone. Caines, Michael. My Richard Brautigan Mistake. In his Times Literary ...

https://en.wikipedia.org/wiki/Richard_Brautigan

"Silicone Technology". www.k-rend.co.uk. Snell, David (August 2012). "How to..two-coat render a wall". The Telegraph. The ...

https://en.wikipedia.org/wiki/External_render

CS1 maint: discouraged parameter (link) "Monty Munford - Technology Writer for The Economist, Wired & Telegraph". Silicone Real ...

https://en.wikipedia.org/wiki/Monty_Munford

"Silicone" (Les Rythmes Digitales remix) "Slimcea Girl" (Fat Boy vocal) "High Life" (Next Century Short dub) "Silicone" (Mr. ... The video for "Silicone" was directed by Nick Abrahams and Michael Tomkins (working as "Nick and Mikey") for the production ... "Mono - "Silicone"". Momentum. Archived from the original on November 8, 2004. Retrieved 2007-01-25. "Mono". Mvdbase.com. ... "Life in Mono" - 3:34 interlude - 0:18 "Silicone" - 4:14 interlude - 0:35 "Slimcea Girl" - 3:50 "The Outsider" - 5:08 "Disney ...

https://en.wikipedia.org/wiki/Formica_Blues

... silicone rubber; epoxy resin; nickel. The machines can be large or small depending on the size of part required. Ashida, ...

https://en.wikipedia.org/wiki/Reaction_injection_molding

Strands of hair; Sex with the ex; Silicone tits; My chair; Another movie with Adam Sandler. Lapidomator. "Top posts". ...

https://en.wikipedia.org/wiki/Yair_Lapid

"Silicone Rubber". AZO materials. Page 52 of "Introduction to Solid State Physics, 8th edition" by Charles Kittel, 2005, ISBN 0- ...

https://en.wikipedia.org/wiki/Bulk_modulus

Silicone-based penile implants were developed by Harvey Lash and the first case series were published in 1964. The development ... There are two types of malleable implants: one that is made of silicone and does not have a rod inside, also called soft ... Brantley Scott described the initial device as composed of two inflatable cylindrical bodies made up of silicone, a reservoir ... Lash, Harvey; Zimmerman, Donald C.; Loeffler, Robert A. (July 1964). "Silicone Implantation". Plastic and Reconstructive ...

https://en.wikipedia.org/wiki/Penile_implant

Discovered silicones: Frederic Kipping.[244]. *Established chemical oceanography: Robert Boyle.[245]. *Invented kerosene: ...

https://en.wikipedia.org/wiki/List_of_British_innovations_and_discoveries

Silicone gel Long chain silicone polymer Visco-elastic Biomedical ~1.2 Similar to gelatin Biomedical testing for blunt force ...

https://en.wikipedia.org/wiki/Bulletproof_vests

Silicone oil 1.0-1.2[1] More expensive than hydrocarbons. Less flammable. Polychlorinated biphenyls Formerly used in ...

https://en.wikipedia.org/wiki/Dielectric_fluid

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 ...

https://en.wikipedia.org/wiki/Hair_conditioner

... 's products include silicones used in several markets., as well as quartz and ceramic materials. The company also ... Its products include silicones and quartz. Momentive is headquartered in Waterford, New York. The company employs 9,200 ... cen.acs.org/business/specialty-chemicals/Momentive-close-silicone-raw-material/98/web/2020/08 "MOMENTIVE CELEBRATES 75 YEARS OF ...

https://en.wikipedia.org/wiki/Momentive

Portraits in silicone., MIT Press John G. Kemeny, Thomas E. Kurtz, and Anthony Feliu, 1972. BOOK AND FILM REVIEWS: Highly ... Portraits in silicone., MIT Press "Kemeny & Kurtz - The Invention Of BASIC". I-programmer.info. 2014-04-29. Retrieved 2016-11- ...

https://en.wikipedia.org/wiki/Thomas_E._Kurtz

"WACKER SILICONE AWARD". www.wacker.com. Retrieved 2017-07-07. "RSC Centenary Prize Previous Winners". www.rsc.org. Retrieved ...

https://en.wikipedia.org/wiki/Don_Tilley

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 ...

https://en.wikipedia.org/wiki/Silicone_oil

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 ...

http://www.redorbit.com/news/technology/1510977/examine_the_world_silicones_market/

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 ...

https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/frederick-kipping-develops-silicones

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 ...

https://www.encyclopedia.com/science-and-technology/chemistry/organic-chemistry/silicone

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 ...

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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?) ...

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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 ...

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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, ...

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... 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. ...

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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: ...

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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 ...

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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 ...

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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 ...

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... 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 in Syringe Sterilization. Br Med J 1951; 1 doi: https://doi.org/10.1136/bmj.1.4701.300-d (Published 10 February 1951) ...

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PRODUCTS General Fluids Applications Markets Resins Applications Markets Elastomers Applications Markets Gels Foam & Other Silicone Products Silicone Foam Other Silicone Products IV. (redorbit.com)
Silicone , also called polysiloxane , any of a diverse class of fluids, resins , or elastomers based on polymerized siloxanes, substances whose molecules consist of chains made of alternating silicon and oxygen atoms. (britannica.com)
Vulcanized silicone rubber is prepared in two principal forms: (1) as room-temperature-vulcanizing (RTV) elastomers, which are low-molecular-weight liquids that are cast or molded into desired shapes and then interlinked at room temperature, and (2) high-temperature-vulcanizing (HTV) elastomers, which are higher-molecular-weight gums that are mixed and processed like other elastomers. (britannica.com)
Chemically, silicone rubber is a family of thermoset elastomers that have a backbone of alternating silicon and oxygen atoms and methyl or vinyl side groups. (wikipedia.org)
Compared to other elastomers, silicone can withstand a wide range of high/low temperature extremes. (wikipedia.org)
Silicone (polysiloxane) polymers can be classified as fluids, elastomers, and resins. (sigmaaldrich.com)
UV activated curing catalysts are becoming an essential technology for the production of silicone elastomers. (matthey.com)
Compiled By Deborah Austin A new e-commerce Web site for custom compounded elastomers -- GECustomElastomers.com -- recently was launched by GE Silicones, a $1.4 billion operating division of GE Plastics. (industryweek.com)
GECustomElastomers.com joins other recent GE investments in custom silicone elastomers and related e-commerce. (industryweek.com)
In August 2000, GE announced purchase of American Silicones Inc., a custom compounder of such elastomers. (industryweek.com)

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)

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)
They are distilled (purified), and the isolated dimethyldichlorosilane is hydrolyzed to give siloxanes and silicones. (encyclopedia.com)
More precisely called polymerized siloxanes or polysiloxanes, silicones consist of an inorganic silicon-oxygen backbone chain (⋯−Si−O−Si−O−Si−O−⋯) with two organic groups attached to each silicon center. (wikipedia.org)

Polysiloxanes are called "silicones" due to early mistaken assumptions about their structure. (newworldencyclopedia.org)

M.J. Owen, Properties and applications of silicones applications of PDMS. (springer.com)
The most common siloxane is linear polydimethylsiloxane (PDMS), a silicone oil. (wikipedia.org)

RALEIGH, North Carolina , Sept. 10, 2019 /PRNewswire/ -- The global market for Silicones is expected to grow at a CAGR of 4 - 5 percent to reach 2.5 million MT by 2022, according to Beroe Inc., a procurement intelligence firm. (prnewswire.com)

During World War II , silicones became important to the war effort, used as lubricants, synthetic substitutes for rubber (much of which was produced on plantations now controlled by the Japanese), and as a water-proofing agent. (encyclopedia.com)
Silicone rubber, for example, provides a soft cushion for one's eyeglasses on the bridge of the nose and, in the insole of many athletic shoes, provides an equally soft cushion between a runner's heel and the pavement. (encyclopedia.com)
It bonds to most materials and turns into a strong, flexible silicone rubber overnight. (ucl.ac.uk)
Injection molding of liquid silicone rubber (LSR) is a process to produce pliable, durable parts in high volume. (wikipedia.org)
Liquid silicone rubber is a high purity platinum cured silicone with low compression set, great stability and ability to resist extreme temperatures of heat and cold ideally suitable for production of parts, where high quality is a must. (wikipedia.org)
Typical applications for liquid silicone rubber are products that require high precision such as seals, sealing membranes, electric connectors, multi-pin connectors, infant products where smooth surfaces are desired, such as bottle nipples, medical applications as well as kitchen goods such as baking pans, spatulas, etc. (wikipedia.org)
Often, silicone rubber is overmolded onto other parts made of different plastics. (wikipedia.org)
Under extensive testing, liquid silicone rubber has demonstrated superior compatibility with human tissue and body fluids. (wikipedia.org)
Parts fabricated via liquid silicone rubber injection molding are fire retardant and will not melt. (wikipedia.org)
Liquid silicone rubber resists water, oxidation and some chemical solutions such as acids and alkali. (wikipedia.org)
CAS Enterprises plans to continue offering Amazon's breadth of products throughout the year right alongside its own existing custom silicone rubber wristbands, custom lanyards, slap bracelets, and other unique promotional products. (prweb.com)
Clark, whose website sells a wide variety of unique promotional products such as custom silicone rubber bracelets, leather wristbands, slap bracelets, and custom lanyards , exclaimed, 'This is just awesome! (prweb.com)
The company's products include silicone cases, silicone tubes, silicone bracelets, silicone kitchen utensils, silicone seals and other silicone rubber products. (prweb.com)
While not a "100% natural" material like rubber, food-grade silicone is a non-toxic polymer mostly made from silica (sand). (forbes.com)
AMSOIL Silicone Spray also helps prevent the cracking and drying of rubber and locks out moisture. (amsoil.com)
2. The fire sleeve of claim 1 wherein said elastomer is taken from a group consisting of silicone elastomer, chloroprene, ethylene-propylene-dieneterpolymer rubber, polyurethane rubber, nitrile butadiene rubber, and epichlorohydrin rubber. (google.com)
This paper describes the development of elastomeric barrier coatings which can be applied to the surface of molded silicone rubber gaskets to reduce oil permeation and weepage while retaining the advantages of silicone rubber in automotive sealing applications. (sae.org)
A flexible, rubbery polysiloxane is known as silicone rubber . (newworldencyclopedia.org)

As mentioned above, silicone compounds retain their physical properties over a wide range of temperatures. (encyclopedia.com)
Silicones are compounds that contain silicon, carbon, hydrogen, oxygen, and perhaps other kinds of atoms as well, and have very different physical and chemical properties. (wikipedia.org)
Compounds containing silicon-oxygen double bonds, now called silanones, but which could deserve the name "silicone", have long been identified as intermediates in gas-phase processes such as chemical vapor deposition in microelectronics production, and in the formation of ceramics by combustion. (wikipedia.org)
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)

This chemistry is used in many consumer applications, such as silicone caulk and adhesives. (wikipedia.org)
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)

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)

Many chemical processes require platinum catalysts but the manufacture of speciality silicones is one of the most significant. (matthey.com)

Silicone resins are projected to expand at a healthy pace, benefiting from strong growth in construction expenditures through 2012, as well as a positive turnaround in motor vehicle production. (redorbit.com)
Silicone resins are used in protective coatings and electrically insulating varnishes and for laminating glass cloth. (britannica.com)
The second-largest group of silicone materials is based on silicone resins, which are formed by branched and cage-like oligosiloxanes. (wikipedia.org)
This process can be used to produce hard silicone resins. (wikipedia.org)
The second largest group of silicone materials is based on silicone resins. (newworldencyclopedia.org)
Modern silicone resins are made with tetraethoxysilane, which reacts in a milder and more controllable manner than chlorosilanes. (newworldencyclopedia.org)

3M™ Silicone Lubricant is a silicone base release agent for industrial lubrication applications. (3m.com)
Additionally, 3M™ Silicone Lubricant is a green, environmentally sustainable product designed to improve the safety of your projects without sacrificing product performance. (3m.com)
Our 3M™ Silicone Lubricant can be used to lubricate an array of machinery and moving parts. (3m.com)
Its easy-to-use spray can makes the application of 3M™ Silicone Lubricant quick and maintenance-free. (3m.com)
See 3M Silicone Spray Low VOC 60% for a lubricant that is CARB-Compliant. (3m.com)
Used for lubricating sticky shifters, brake calipers, cables, derailleurs, bolts and so many other items, a can of silicone spray lubricant is essential. (core77.com)

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)
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)
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)

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 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)
Consumer products to control flatulence often contain silicone oil. (wikipedia.org)
Gains will also be aided by the rising use of silicone in numerous cosmetic and toiletry products, as well as expanding opportunities in medical applications. (redorbit.com)
Each day, we unknowingly come into contact with scores of products that contain silicones for the very special properties that they possess. (encyclopedia.com)
In developing regions such as China , India , and LATAM, there is an increasing demand for silicones for manufacturing polyurethane-based products. (prnewswire.com)
As the technology driving these products continues to advance, it has become apparent that silicones offer the processing and performance advantages required by today's auto manufacturers. (sae.org)
Show all 63 products that contain SILICONE FLUID. (ewg.org)
DOWSIL™ FA PEPS Silicone Acrylate is a high-performing film former that helps you design long-lasting color cosmetics and skin care products with increased natural content. (dow.com)
TOGOHK.com is a reliable supplier of silicone products. (prweb.com)
The sales representative adds, "We're now one of the few original manufacturers specializing in silicone products. (prweb.com)
Will Silicone Replace BPA-Free Plastics For Kids' Products? (forbes.com)
Though I am using strictly anecdotal evidence, I would say we have entered the golden age of silicone kids products - as I come across new, and clever silicone-based designs every day. (forbes.com)
Silicones represent $2.6 billion in annual sales of basic chemicals and facilitate almost $95 billion a year of transactions through the value chain to final products. (acs.org)
Operating at a wider temperature range, LHSS products retain flexibility at -50°C and maintain physical properties beyond the temperature limits tolerated by conventional silicone hose materials. (hannovermesse.de)
Midland, Mich. - Dow Corning Corp. will transition its silicone materials for high performance building products to the new Dowsil brand beginning in February. (plasticsnews.com)

When silicone is burned in air or oxygen, it forms solid silica (silicon dioxide, SiO2) as a white powder, char, and various gases. (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)
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)
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)

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)

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)
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)
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)

In 1930 chemist J. Franklin Hyde, called the "father of silicone chemistry," met with Eugene Sullivan, vice president and director of research at Corning Glass Works. (encyclopedia.com)
A. Colas, J. Curtis, Silicone Biomaterials : History and Chemistry Medical Applications of Silicones Dow Corning Corporation Biomaterials Science , 2nd edn. (springer.com)
Dow Corning owes its leadership in the development of polymer waveguide silicones to its close collaboration with industry pioneers. (dowcorning.com)
And all of that from an industry based on production from six major European producers: Bluestar Silicones, Dow Corning , Evonik Industries , Momentive Performance Materials, Shin-Etsu Silicones, and Wacker Silicones . (acs.org)

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)

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)

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)
A silicone or polysiloxane is a polymer made up of siloxane (−R2Si−O−SiR2−, where R = organic group). (wikipedia.org)
Dow Corning's breakthrough polymer waveguide silicones are providing a proven alternative. (dowcorning.com)
Our curable polymer waveguide silicones begin as a liquid that can be cast using a range of techniques from lab scale spin coating or doctor blading to volume production scale methods such as slot die coating. (dowcorning.com)
Today, Dow Corning's expertise in polymer waveguide silicones is helping our collaborators to design the next-generation of computer architectures to deliver ever increasing data processing capability at ever decreasing cost and energy consumption per bit. (dowcorning.com)

A silicone oil is any liquid polymerized siloxane with organic side chains. (wikipedia.org)
A general formula for silicones is (R 2 SiO) x , where R can be any one of a variety of organic groups. (britannica.com)
A major constraint for the silicones industry is the growth of the organic personal care industry, which is expected to grow at a significant rate of nearly 9 - 10 percent to reach $9.2 billion by 2021. (prnewswire.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)

Silicones (or silicon-based materials) are an integral part of daily life. (encyclopedia.com)
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)
We has been focusing on the application of High-grade Silicone materials in life for 12 years. (ebay.de)
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)
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)

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)
What are the symptoms of silicone breast implants leaking? (netdoctor.co.uk)
Home → Treatment & Side Effects → Surgery → Breast Reconstruction → Ask-the-Expert Conferences: Breast Reconstruction (Redirect) → Ask-the-Expert Online Conference: Breast Reconstruction: Your Body, Your Options (Redirect) → Saline or silicone implants? (breastcancer.org)
Is saline or silicone the most popular choice for implants for breast reconstruction? (breastcancer.org)
We have helped many people to make Silicones Breast forms, Silicone Belly, Silicone Body Shaperwear, and Silicone Dolls. (ebay.de)
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)
Silicone breast implants have made a big comeback in cosmetic procedures, a little more than six years after the U.S. Food and Drug Administration lifted its ban on most use of the devices. (wsj.com)
In 2012, 72% of the 330,631 breast-augmentation procedures in the U.S. used silicone implants, while 28% used saline, or sterile salt water. (wsj.com)
There are two basic types of breast implants: saline and silicone gel. (webmd.com)
Because breasts can continue to develop until a woman reaches her late teens or early 20s, the FDA requires that women be at least 18 years old to get breast augmentation with saline-filled implants and at least 22 years old to receive silicone implants. (webmd.com)
But silicone breast implants may cause no obvious symptoms when they rupture. (webmd.com)

A.J.O. Lenick, Basic silicone chemistry-a review. (springer.com)
The discovery of the structural differences between Kipping's molecules and the ketones means that silicone is no longer the correct term (though it remains in common usage) and that the term siloxane is preferred according to the nomenclature of modern chemistry. (wikipedia.org)
I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)

Silicones exhibit many useful characteristics, including: Low thermal conductivity Low chemical reactivity Low toxicity Thermal stability (constancy of properties over a wide temperature range of −100 to 250 °C). The ability to repel water and form watertight seals. (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)

F. S. Kipping coined the word silicone in 1901 to describe the formula of polydiphenylsiloxane, Ph2SiO (Ph denoting phenyl, C6H5), by analogy with the formula of the ketone benzophenone, Ph2CO (his term was originally silicoketone). (wikipedia.org)

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)

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)

In the early twentieth century, English chemist Frederic Kipping (1863-1949) developed and investigated silicones. (encyclopedia.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)

Recent silicone research has produced some important variations in adhesives/sealants, including low-volatile versions of the material. (sae.org)

Quicklook Trudeau Pro Silicone Ultimate Bakeware Set Sugg. (williams-sonoma.com)

Still made with the same high quality 100% platinum cured silicone. (etsy.com)
Platinum cured silicone and pigments. (etsy.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)

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)
In North America , silicone formulations in energy or medical applications require high amounts of innovation, which are either proprietary or patented. (prnewswire.com)
On the other hand, the inactive demand in Europe for silicones from construction and other industrial applications has made European silicones a less attractive business opportunity for the new players. (prnewswire.com)
The demand growth for silicones in North America and Europe will come from personal care and healthcare applications such as aesthetic implants and renewable energy sectors such as windmill and solar utilization. (prnewswire.com)
Silicones have applications mostly in the industrial processes and construction sectors supported by Consumer Packaged Goods (CPG) industries. (prnewswire.com)
Different types of silicones have been developed for a variety of applications. (newworldencyclopedia.org)
Medical grade silicones are silicones tested for biocompatibility and are appropriate to be used for medical applications. (dbpedia.org)

The company offers silicone baby bibs (with catch pockets) as well as both adult and kid-friendly placemats. (forbes.com)

Compared to conventional insulating material, silicone can perform in far higher and lower temperatures. (wikipedia.org)

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)

In addition, silicones in general exhibit excellent UV resistance, high tensile and tear strength, and good elongation properties. (sae.org)
Self-leveling silicone firestop system used around copper pipes penetrating a two-hour fire-resistance rated concrete floor assembly. (newworldencyclopedia.org)

Saline or silicone implants? (breastcancer.org)
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. (breastcancer.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)
I've found this implant to be very useful because it provides women with the feel and consistency of the silicone gel and provides the surgeon the ability to adjust the volume of the implant because of the saline chamber. (breastcancer.org)
The implant itself has equal amounts of silicone gel in the outer chamber and saline on the inner chamber. (breastcancer.org)
Most are the less popular saline-filled implants, which many women believe do not look or feel as good as silicone gel models. (washingtonpost.com)
Saline-filled implants are silicone shells filled with sterile salt water (saline). (webmd.com)
Although many women say that silicone gel implants feel more like real breasts than saline, they pose more of a risk if they leak. (webmd.com)
Both saline and silicone come in different sizes and have either smooth or textured shells. (webmd.com)

The product is designed to be resistant to heat, friction and UV and withstand extreme temperatures of -85 degrees F to 500 degrees F. Keep a roll of 3M™ Wrap and Repair Silicone Tape in your vehicle or garage in case of emergency and do not get caught off guard by repairs. (3m.com)
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)

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)

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)

Anatomy2

Diseases7

Chemicals and Drugs20

Analytical, Diagnostic and Therapeutic Techniques and Equipment19

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture16

Information Science7

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

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

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

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

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

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

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

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

Silicones

Silicone Oils

Silicone Elastomers

Breast Implants

Retinal Detachment

Dimethylpolysiloxanes

Vitrectomy

Prostheses and Implants

Foreign-Body Reaction

Dental Impression Materials

Siloxanes

Granuloma, Foreign-Body

Emulsions

Polyurethanes

Scleral Buckling

Contact Lenses, Hydrophilic

Materials Testing

Cosmetic Techniques

Vitreoretinopathy, Proliferative

Dental Impression Technique

Intubation

Injections

Prosthesis Coloring

Lacrimal Duct Obstruction

Contact Lenses, Extended-Wear

Lenses, Intraocular

Tracheal Stenosis

Biocompatible Materials

Dacryocystorhinostomy

Breast Implantation

Contact Lens Solutions

Vitreoretinal Surgery

Phacoemulsification

Hydrogel

Polymethyl Methacrylate

Models, Anatomic

Acrylic Resins

Nasolacrimal Duct

Lacrimal Apparatus Diseases

Vitreous Body

Larynx, Artificial

Simethicone

Distillation

Encyclopedias as Topic

Deodorants

Silicon

Silicon Dioxide

Hafnium

Rubber

Elastomers

Electronic Mail

Food Dispensers, Automatic

Editorial Policies

Authorship

Periodicals as Topic

Postal Service

Internet

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

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

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

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

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

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

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

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

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