OxygenPolymersPhenylAttached to the silicon atomsChlorideHydrogen or methylReactiveBackbone atomsPolydimethylsiloxaneCarbonOrganicMonomersChlorosilanesPolymerLinkagesCompoundsHydrolysisResinsGroupsFluidsHaving the silicon atomConsistsInteractionsTemperatureInertCompositionsTypicallySilicaLinearCross-linkedBoundCasePropertiesFoundHighMixtureShownAdditionSeparation
Oxygen14
- Their backbond is composed of alternating silicon and oxygen atoms, i.e. (wikipedia.org)
- The basic structure of silicone is made up of polyorganosiloxanes, where silicon atoms are linked to oxygen to create the «siloxane» bond. (elkem.com)
- Silicones are polymers that include any inert, synthetic compound made up of repeating units of siloxane, which is a functional group of two silicon atoms and one oxygen atom frequently combined with carbon and/ or hydrogen. (toolsdoctor.com)
- Silicones are a group of synthetic polymers made up of repeating units of siloxane, which is a chain of alternating silicon and oxygen atoms with organic groups attached to the silicon atoms. (toolsdoctor.com)
- The siloxane unit consists of a silicon atom attached to two oxygen atoms, which are in turn attached to organic groups. (toolsdoctor.com)
- The fundamental structure of silicone comprises polyorganosiloxanes, where silicon atoms form siloxane bonds with oxygen. (panacea-nmr.eu)
- Also disclosed herein is a composition including a plurality of fibers of a polymer having reactive oxygen atoms and siloxane groups. (defpatmd.com)
- Coordination bonds are formed between the oxygen atoms and the silicon atoms of the siloxane groups of separate fibers. (defpatmd.com)
- They can be defined as a linear chain of Poly siloxane that contains silicone and oxygen at alternating positions. (hengyitek.com)
- Silicone gel is an adhesive composed of silicone-oxygen chain links, which are formed when the side chains and other organic groups through the silicon atom connected, can be regarded as discrete cross-linked siloxane elastomer gel particles dispersed within a carrier fluid. (xjysilicone.com)
- Silicone or polysiloxane are synthetic polymers that are made after combining the silicon atom with oxygen and other elements such as carbon and hydrogen. (persia-adhesive.ir)
- Silica or silicon dioxide is a combination of silicon and oxygen in three main forms: quartz, tridymite and cristobalite. (persia-adhesive.ir)
- Oxides are chemical compounds composed of oxygen atoms that are combines with atoms of another element. (readyhk.org)
- The silicon is then reacted with fossil fuel-derived hydrocarbons to create the siloxane monomers (alternating silicon + oxygen atoms), which are then bonded together into polymers to form the "backbone," or base, of silicone resin. (mindseteco.co)
Polymers7
- Some uncommon but illustrative inorganic polymers include polythiazyl ((SN)x) with alternating S and N atoms, and polyphosphates ((PO3−)n). (wikipedia.org)
- Like almost all polymers, protein fold and twist, forming into the secondary structure, which is rigidified by hydrogen bonding between the carbonyl oxygens and amide hydrogens in the backbone, i.e. (wikipedia.org)
- Silicones are essentially polymers with a repeating unit of siloxane. (toolsdoctor.com)
- The siloxanes are then polymerized to form silicone polymers. (toolsdoctor.com)
- Silicones (polysiloxanes) are widely used inorganic polymers containing silicon atoms. (ukessays.ae)
- The element silicon or silicium (with the written form Silicon) is the basis for making widely used synthetic polymers called silicone (with the written form Silicone) or polysiloxanes (in English: polysiloxanes). (persia-adhesive.ir)
- These polymers, which are available in liquid or rubber form, have high heat resistance in most cases and are used for applications such as: sealants and sealants, adhesives, lubricants, cooking appliances, as well as thermal and electrical insulation. (persia-adhesive.ir)
Phenyl1
- A Silicon atom can engage in 2-4 siloxane bonds (Q2, Q3, and Q4), with the remaining valences connected to organic groups like methyl, Phenyl, vinyl, or hydrogen. (panacea-nmr.eu)
Attached to the silicon atoms1
- Silicones have a wide range of properties, depending on the organic groups attached to the silicon atoms and the length of the polymer chains. (toolsdoctor.com)
Chloride5
- Chlorosilane is chemical compounds prepared by reacting silicon powder and methyl chloride (CH 3 CI) gas through direct synthesis. (elkem.com)
- These are prepared by reacting silicon powder (extracted from natural silica by means of an electrochemical process) and CH 3 CI or methyl chloride gas (formed in the reaction between HCI and CH 3 OH or methanol). (elkem.com)
- Really important for the industry is the direct reaction of methyl - chloride with silicon, something that was discovered E. G. Rochow and R. Müller in 1940. (ukessays.ae)
- To prepare silicon, silicon powder is mixed with methyl chloride and heated. (persia-adhesive.ir)
- and the reaction of dimethylethanolamine and methyl chloride, the product being quaternary trime thylethanolamine chloride, also commonly known as. (moam.info)
Hydrogen or methyl1
- 6. A polymer composition according to claim 5, wherein the sterically hindered amine is a compound comprising a group of the formula (I) or (II) ##STR00010## in which G is hydrogen or methyl, and G1 and G2, independently of one another, are hydrogen, methyl or together are a substituent ═O,and wherein the compound preferably has a molecular weight from the range 170 g/mol to 10000 g/mol. (patentsencyclopedia.com)
Reactive3
- The chlorosilanes produced are the building blocks with which the various silicone substances are then produced: the central silicon atom is bonded to various numbers of chlorine atoms, each of which provide a potential reactive site for the hydrolysis reaction that enables the length and branching of the polymer molecular framework to be controlled. (elkem.com)
- To prepare certain specialty silicone products with special properties, it is sometimes necessary to modify the CH3 (non-reactive) groups that are initially bonded to the silicon atoms. (elkem.com)
- and siloxane resins with reactive functional groups (Xie et al . (ncsu.edu)
Backbone atoms3
- Spatial positions of backbone atoms can be reconstructed from the positions of alpha carbons using computational tools for the backbone reconstruction. (wikipedia.org)
- Here, 4 - 8 backbone atoms are able to move. (findoutaboutplastics.com)
- In this case, more than 40 backbone atoms are able to move and mechanical properties drop by one to two powers of ten. (findoutaboutplastics.com)
Polydimethylsiloxane2
- Si-O-Si-O... The silicon atoms bear two substituents, usually methyl as in the case of polydimethylsiloxane. (wikipedia.org)
- Disilanol is condensed by hydrochloric acid to form polydimethylsiloxane, which contains siloxane linkages, the silicon backbone. (persia-adhesive.ir)
Carbon6
- Silicone atom in the linear chain has two spots where they can bind with carbon groups like methyl is bounded. (hengyitek.com)
- At least two kinds of the carbons having different shapes and selected from spherical carbon, flat carbon, carbon fiber with an aspect ratio of not more than 11, carbon nanotube and conductive carbon can be combined and blended to form the dielectric raw material. (justia.com)
- According to US20100308279A1, conductive silicone elastomers are prepared using carbon nanotubes in individual form or in the form of aggregates having a macromorphology resembling the shape of a cotton candy, bird nest, combed yarn or open net. (justia.com)
- andT is the divalent acyl residue of an aliphatic or cycloaliphatic dicarboxylic acid of 13 to 60 carbon atoms;and which contains at least one moiety of formula (IV) and at least one moiety T. (patentsencyclopedia.com)
- Carbon Sequestration: We are evaluating the formation of nitrosamine and nitraminecarcinogens from amine-based carbon capture, as well as techniques to destroy any of these byproducts that form. (stanford.edu)
- It is obtained by the chemical degradation of fats or oils that contain hydrogen and carbon atoms. (univarsolutions.com)
Organic3
- Siloxanes are a premier example of an inorganic polymer, even though they have extensive organic substituents. (wikipedia.org)
- It serves as the number 1 when counting axial atoms in forming names of organic compounds. (patsnap.com)
- The dielectric raw material can be formed by crosslinking and molding a mixture of the silicone rubber in its non-crosslinked state, a non-crosslinked organic polymer and the carbons. (justia.com)
Monomers1
- When these two elements are combined, they form a compound that contains long chains of repeating monomers, which are bonded together to create a final product. (toolsdoctor.com)
Chlorosilanes2
- The methyl chlorosilanes produced (trimethyl, dimethyl and methyl chlorosilane) are the building blocks for various silicone substances. (elkem.com)
- The three types of methyl chlorosilanes obtained during direct synthesis which are then used to produce silicones are: trimethyl chlorosilane, dimethyl dichlorosilane and methyl trichlorosilane as shown in the below diagrams. (elkem.com)
Polymer4
- The bases project from the pentose-phosphate polymer backbone and are hydrogen bonded in pairs to their complementary partners (A with T and G with C). This creates a double helix with pentose phosphate backbones on either side, thus forming a secondary structure. (wikipedia.org)
- Silicone is a polymer material made up of molecules called siloxanes. (toolsdoctor.com)
- Silicone compounds react to form a polymer cross-linking network, the cross-linking network is filled with solvent molecules in the gaps, and the resulting dispersion system is called the silicone gel, which is due to the interactions between the cross-linking network and the solvent to reflect the unique dry, silky skin feel. (xjysilicone.com)
- Herein, a comprehensive hemocompatibility study after heparinized blood contact with seven polymer brushes prepared by surface-initiated atom transfer radical polymerization is reported. (ibecbarcelona.eu)
Linkages1
- Proteins are characterized by amide linkages (-N(H)-C(O)-) formed by the condensation of amino acids. (wikipedia.org)
Compounds4
- Silicon compounds such as silicon tetrachloride (SiCl4) or dimethyldichlorosilane (CH3)2SiCl2 are reacted with water to produce siloxanes. (toolsdoctor.com)
- The heating process causes a reaction between the compounds to form methylchlorosilane, which contains dimethyldichlorosilane, the main component of silicone. (persia-adhesive.ir)
- These compounds can be found naturally or formed through various processes. (readyhk.org)
- We seek to understand how these compounds form so we can adjust the disinfection process to prevent their formation. (stanford.edu)
Hydrolysis1
- These procedures include the reduction of SiO 2 into an active reduced form of silicon, hydrolysis/methanolysis and polycondensation or cyclization and polymerization [3]. (ukessays.ae)
Resins1
- Resins have a branched structure that forms molecular lattices. (elkem.com)
Groups2
- It indicates that a chemical compound has been derived from methane or contains 'methyl' groups. (patsnap.com)
- The main chain is comprised of atoms of Si and O, whereas the side groups are comprised of alkyl groups (figure 2). (ukessays.ae)
Fluids1
- It can be used as effective rheological thickeners for low-relative-mass siloxane fluids, and their addition to skin care and color cosmetic products provides both a mild initial sensation of low-relative-mass siloxane fluids and a film-forming sensation while maintaining the high-viscosity of skin care products and color cosmetic products. (xjysilicone.com)
Having the silicon atom1
- Also disclosed herein is a filler material having the silicon atom of a silacyclobutane group is directly or indirectly bound thereto. (defpatmd.com)
Consists1
- Density-functional calculations indicated that (1) consists of a H atom trapped on top of a Pt atom, and that the bound H atom decreases the diffusion barrier. (matthey.com)
Interactions1
- Further interactions between residues of the individual amino acids form the protein's tertiary structure. (wikipedia.org)
Temperature1
- E) curing said wet coating layer at a temperature in a range of from 80° C. to 200° C. to form said coating layer. (justia.com)
Inert1
- Silicone is an inert synthetic compound that come in a variety of forms (oil, rubber, resin). (elkem.com)
Compositions2
- The coatings are typically formed from coating compositions which can be solvent borne or waterborne. (justia.com)
- VOCs emitted into atmosphere, such as those emitted from coating compositions during coating manufacturing, application and curing process, can be related to air pollution impacting air quality, participate in photoreactions with air to form ozone, and contribute to urban smog and global warming. (justia.com)
Typically1
- Such sites include those associated with use of aqueous film-forming foams (AFFF), typically released during activities associated with fighting fuel fires, including training activities and maintenance of firefighting equipment at airports and military facilities. (canada.ca)
Silica1
- Silica is a natural compound that occupies a quarter of the earth's crust and is found everywhere in nature in the form of emerald, quartz, clay and glass. (persia-adhesive.ir)
Linear1
- The siloxane units can be joined together to form linear chains or branched chains. (toolsdoctor.com)
Cross-linked1
- The chains can also be cross-linked to form a three-dimensional network. (toolsdoctor.com)
Bound1
- The silicon atom in the crosslinking unit is directly or indirectly bound to the filler material. (defpatmd.com)
Case1
- Club member Bill Perretti launches his beautifully detailed Saturn 1B phases that have teams in all UPPER CASE or all lower pdf combinatorial will currently give formed. (sojars593.org)
Properties1
- However, while the low relative molecular mass siloxane fluid imparts the desired properties to the composition, its volatile and low viscosity properties make it difficult to retain in the formulation, easy to separate, and may even flow uncontrollably through the skin during use, limiting its application in the cosmetic composition. (xjysilicone.com)
Found1
- Silicon is the eighth most common element in the universe by mass, but it is rarely found in its pure form in nature. (toolsdoctor.com)
High1
- The present disclosure is directed to a waterborne coating composition having neutral pH that is low foaming and forms dry coating layer that has high hardness and high gloss. (justia.com)
Mixture1
- Reducing agents may be used in the present invention in substantially pure form, in the form of unpurified natural extracts, or as a mixture of substantially pure form and natural extract. (allindianpatents.com)
Shown1
- Copper is used as a catalyst in the form of CuO, as shown in the reactions (4), (5), (6) and (7). (ukessays.ae)
Addition1
- Polysorbate 20 -common commercial brand names include Scattics, Alkest TW 20 and Tween 20- is a polysorbate-type nonionic surfactant formed by the ethoxylation of sorbitan before the addition of lauric acid. (openfoodfacts.org)
Separation1
- A special feature of the separation of the isomers is that the cis form needs to be rapidly removed from solutions because it spontaneously converts into the trans form. (matthey.com)