Abstract: A liquid curable silicone elastomer composition is disclosed. The liquid curable silicone elastomer composition comprises an organopolysiloxane (A) containing at least two silicon-bonded alkenyl groups per molecule, an organopolysiloxane (B) containing at least three silicon-bonded hydrogen atoms per molecule, a platinum based catalyst (C), an inhibitor (D), and a silica filler (E). The organopolysiloxane (B) is a branched (or resinous) polymer, contains M siloxy units, and the at least three silicon-bonded hydrogen atoms are present on the M siloxy units. The inhibitor (D) is selected from the group consisting of acetylenic alcohols and their derivatives. The inhibitor (D) is present in the liquid curable silicone elastomer composition in an amount to provide a molar ratio—of the inhibitor (D) to platinum in the catalyst (C)—of from 150 to 900 (150:1 to 900:1).

Abstract: The present invention aims to provide a curable resin composition excellent in surface curability and deep curability by irradiation with active energy rays such as ultraviolet rays while maintaining sealability. The present invention provides a curable resin composition including the following ingredients (A) to (D): ingredient (A): a polymer which has one or more (meth)acryloyl groups and has a polyisobutylene backbone containing a —[CH2C(CH3)2]- unit, ingredient (B): a radical polymerization initiator, ingredient (C): a triarylphosphine or a triarylphosphine derivative, and ingredient (D): xanthone or a xanthone derivative.

Abstract: The present disclosure generally relates to a curable one part silicone composition. The curable one part silicone composition includes an organopolysiloxane compound having at least two unsaturated groups; an organohydrogenpolysiloxane compound having at least two Si—H groups; a catalyst for enabling the addition of the hydrogen atoms bonded to the silicone to the unsaturated group; and at least one surface treated particulate filler. The curable one part silicone composition is useful as a dental impression material. More particularly, the curable one part silicone composition including the surface treated filler extends storage stability of the dental impression material. The disclosure also provides methods of preparing such curable one part silicone composition.

Abstract: An article is described that includes at least one fibrous support surface coated by at least two successive layers including: an inner layer, in contact with the fibrous support, which is a coating including a silicone elastomer, polyurethane or silicone-polyurethane; and a topcoat outer layer, in contact with the inner layer, which is a coating obtained by crosslinking a composition described herein. The first layer, that is in contact with the fibrous support, is a layer based on a silicone elastomer, polyurethane or silicone-polyurethane composition that was crosslinked. The second layer, that is in contact with the first layer, is a layer obtained by crosslinking as described herein.

Abstract: A silicone-polyether copolymer has the formula Xg[ZjYo]c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polyether moiety, each Z is an independently selected siloxane moiety, subscript c is from 1 to 150, subscript g is >1, and each subscript j and o are independently >0 and <2, with the proviso that j+o=2 in each moiety indicated by subscript c. A method of preparing the silicone-polyether copolymer is also disclosed, and comprises reacting a polyether compound, a chain extending organosilicon compound, and an endcapping organosilicon compound in the presence of a hydrosilylation catalyst. A sealant is also disclosed, the sealant comprising the silicone-polyether copolymer and a condensation-reaction catalyst.

Abstract: A process for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum based hydrosilylation catalyst comprising a platinum-diene complex with chelating anions. The use of the present catalysts in the process provides silylated products in good yields and allows for using lower platinum loadings than conventional catalysts, reduced cycle times, and may reduce yellowing in the product.

Abstract: Disclosed are a silicone rubber composition and a preparation method thereof. The silicone rubber composition comprises a polydimethylvinylsiloxane, a silica filler, a polymethylvinylsiloxane oil, a hydrogen-modified polyorganosiloxane, a platinum-based catalyst, and a polymethylhydrogensiloxane vulcanizing agent.

Abstract: Provided is a coating for preventing scattering of fragments, the coating containing, as main components, (A) a polysiloxane having at least two vinyl groups or (meth)acryloyl groups each bonded to a silicon atom, (B) a polysiloxane having at least two hydrogen groups each bonded to a silicon atom, (C) an addition reaction-accelerating catalyst, (D) an alkoxy oligomer, and (E) an organometallic catalyst containing at least one metal selected from zirconium, zinc, and magnesium.

Abstract: The present invention provides improved medical devices for use in surgical procedures and methods for manufacturing improved medical devices. In some embodiments, the improved medical devices can include improved surgical needles that are capable of being repeatedly passed through tissue using minimal force. More particularly, the improved surgical needles can be manufactured with two or more different coatings that provide the surgical needles with both durability and lubricity for ease of repeated and successive passes through tissue. Improved methods for manufacturing the surgical needles and for providing and applying coatings to the surgical needles are also provided.

Abstract: A method of preparing a curable polyorganosiloxane composition including kneading a uniform mixture of an alkenyl group-containing polyorganosiloxane, a polyorganohydrogensiloxane, and a platinum group metal compound, and defoaming the kneaded mixture under reduced pressure, the alkenyl group-containing polyorganosiloxane includes a linear polyorganosiloxane of the formula (I): R is R1 or R2, and at least two Rs are R1; R1 is C2-C6 alkenyl; R2 is C1-C6 alkyl; and n is a value that yields a viscosity at 23° C. of 10 to 10,000 cPs, a branched polyorganosiloxane containing SiO4/2 and R?3SiO1/2 units, optionally a R?2SiO and/or a R?SiO3/2, R? represents a monovalent aliphatic or alicyclic, and at least three R? groups per molecule are alkenyls, the alkenyl group-containing polyorganosiloxane having a weight ratio of the branched to linear polyorganosiloxane of 1 to 5; and a number of hydrogens bonded to a silicon atom of the polyorganohydrogensiloxane exceeds 2.

Abstract: The present invention provides novel medical devices for use in surgical procedures and methods for manufacturing novel medical devices. In some embodiments, the novel medical devices can include surgical needles that are capable of being repeatedly passed through tissue using minimal force. More particularly, the surgical needles can be manufactured with one or more coatings that provide the surgical needles with both durability and lubricity for ease of repeated and successive passes through tissue. Novel methods for manufacturing the surgical needles and for providing and applying coatings to the surgical needles are also provided.

Abstract: A liquid silicone rubber composition comprising an alkenyl group-containing liquid organopolysiloxane, a reinforcing silica filler, an organohydrogenpolysiloxane, a platinum group catalyst, a liquid organopolysiloxane that is free of crosslinking groups and is compatible with the alkenyl group-containing liquid organopolysiloxane, and a liquid organopolysiloxane that is free of crosslinking groups and is incompatible with the alkenyl group-containing liquid organopolysiloxane, wherein the cured material therefrom has a JIS type A durometer hardness of 15 to 26 and a tensile stress at 100% elongation of 0.25 to 0.60 MPa. Also, a through hole-containing sealing member comprising this cured material.

Abstract: Provided is a curable composition and its use. The curable composition may exhibit excellent processibility and workability. The curable composition has excellent light extraction efficiency, crack resistance, hardness, thermal and shock resistance and an adhesive property after curing. The curable composition may provide a cured product exhibiting stable durability and reliability under severe conditions for a long time and having no whitening and surface stickiness.

Abstract: Filled silicone composition, in situ preparation and use thereof are provided. The composition comprises a mixture of (A) an in situ-prepared treated silica, (B) an in situ-prepared (siloxane-alkylene)-endblocked polydiorganosiloxane, (c) a cure catalyst and (D) a crosslinker. Moreover, the composition can be used as adhesive, coating and sealant.

Abstract: This invention relates to organopolysiloxane compounds. In some embodiments, the organopolysiloxane compound includes a siloxane unit having at least one trialkylsilyl pendant group attached thereto through an organic group spacer. The present invention also relates to methods of making the organopolysiloxane, a hydrosilylation-curable silicone composition including the organopolysiloxane, a cured product of the silicone composition, a membrane including the cured product, a method of making the membrane, and a method of separating components in a feed mixture using the membrane.

Abstract: Provided is a curable composition and its use. The curable composition may exhibit excellent processability and workability. The curable composition has excellent light extraction efficiency, crack resistance, hardness, thermal and shock resistance and an adhesive property after curing. The curable composition may provide a cured product exhibiting stable durability and reliability under severe conditions in a long time, and not inducing whitening and surface stickiness.

Abstract: Polycarbonate compositions having flame retardant properties and improved impact resistance are disclosed, together with methods for preparing the same.

Abstract: A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.

Abstract: The present invention has an objective to easily obtain an emulsion exhibiting superior storage stability, and in particular, an emulsion of a polyorganosiloxane. The present invention provides a method for producing an emulsion characterized by obtaining an emulsion by emulsifying a mixture of an oil and a surfactant, obtained by synthesizing the surfactant in the oil. In particular, the method is suitably used for the preparation of an emulsion of an organopolysiloxane (A) which is usually difficult to be stably emulsified. A silicone-based surfactant (B), and in particular, a silicone-based surfactant having a small degree of polymerization of a siloxane chain such as a trisiloxane is synthesized in an oil. Thereby, an emulsion exhibiting superior storage stability can be produced.

Abstract: The invention relates to the preparation of a rubber composition containing a pre-treated precipitated silica and a tire having a component comprised of such rubber composition. The pre-treated silica is a precipitated silica having been pre-treated with a silica coupling agent comprised of an alkoxyorganomercaptosilane to form a precipitated silica/coupling agent composite prior to its blending with a rubber composition. The rubber composition preparation involves reacting said pretreated silica/coupling agent composite with a combination of bis(3-triethoxysilylpropyl) polysulfides in situ within the rubber composition.

Abstract: A silicone resin composition includes a cage octasilsesquioxane; a polysiloxane containing alkenyl groups at both ends containing an alkenyl group having the number of moles smaller than the number of moles of the hydrosilyl group of the cage octasilsesquioxane; a hydrosilylation catalyst; a hydroxyl group-containing polysiloxane, organohydrogenpolysiloxane, or a polysiloxane containing alkenyl groups at side chain.

Abstract: A release coating composition includes a curable polysiloxane and an aerosol suppressant that has more than one SiO4/2 unit. The aerosol suppressant includes the polymerization product of a siloxane and a cyclic polysiloxane polymerized in the presence of a polymerization catalyst. The siloxane has units of the chemical formula (SiO4/2)(RaRb2SiO1/2)x wherein Ra is a vinyl moiety, Rb is an alkyl moiety, and x is a number from 1.05 to 4. The release coating composition is formed by combining the aerosol suppressant and a curable polysiloxane. The release coating composition is also used to coat a substrate in a release coating process producing a mist of less than 50 mg/cubic meter measured at approximately 457 m/min.

Abstract: Provided is a curable composition and its use. The curable composition may exhibit excellent processability and workability. The curable composition has excellent light extraction efficiency, crack resistance, hardness, thermal and shock resistance and an adhesive property after curing. The curable composition may provide a cured product exhibiting stable durability and reliability under severe conditions in a long time, and not inducing whitening and surface stickiness.

Abstract: A condensation reaction curable composition comprises a new catalyst, Dow Corning® 4-6085, and a polyorganosiloxane polyoxyalkylene block copolymer having one or more polyorganosiloxane blocks and one or more polyoxyalkylene blocks linked to each other via divalent radicals which comprises at least two silicon-bonded alkoxy groups, preferably of the form PS-(A-PO)m-(A-PS)n, wherein PO is a polyoxyalkylene block, PS represents a polyorganosiloxane block, A is a divalent radical, subscripts m and n have independently a value of at least 1, comprising at least one alkoxy-substituted siloxane unit of the formula (R?)q(OR)—SiO3-q/2, wherein R represents an alkyl group having 1 to 4 carbon atoms and each R? represents an alkyl group having 1 to 6 carbon atoms, a phenyl group, or an alkoxy group of the formula —OR and subscript q has a value of 0, 1 or 2, provided at least two silicon-bonded groups OR are present in the block copolymer.

Abstract: An addition curable self-adhesive silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane containing at least three SiH groups, (C) another organohydrogenpolysiloxane containing no other reactive groups than SiH groups, and (F) an addition reaction catalyst, with a SiH/alkenyl molar ratio ranging from 0.8 to 5.0, is briefly moldable and cures to various metals and organic resins.

Abstract: A process for producing silicon-containing particles having an extremely small particle diameter by a simple process without using surface-active agents or the like. The process is characterized by forming silicon-containing particles as a result of phase separation from an organic polymer, wherein the phase separation is achieved by an addition reaction, condensation reaction, ring-opening reaction, or a radical reaction of a curable silicon-containing compound or a curable composition that contains said compound, and the silicon-containing compound or the composition is maintained in a uniform liquid, fused, or dissolved phase with the organic polymer that is free of silicon and does not participate in the curing reaction of the silicon-containing compound or the composition.

Abstract: The present invention relates to a curable dental composition comprising a surfactant and an F-containing compound. The dental composition can be used e.g. as impression material and/or for the production of crown and bridges.

Abstract: A liquid silicone rubber composition comprising an alkenyl group-containing liquid organopolysiloxane, a reinforcing silica filler, an organohydrogenpolysiloxane, a platinum group catalyst, a liquid organopolysiloxane that is free of crosslinking groups and is compatible with the alkenyl group-containing liquid organopolysiloxane, and a liquid organopolysiloxane that is free of crosslinking groups and is incompatible with the alkenyl group-containing liquid organopolysiloxane, wherein the cured material therefrom has a JIS type A durometer hardness of 15 to 26 and a tensile stress at 100% elongation of 0.25 to 0.60 MPa. Also, a through hole-containing sealing member comprising this cured material.

Abstract: A metal particle dispersion structure characteristically comprising (B) 0.005 to 100 weight parts of metal nanoparticles dispersed in (A) 100 weight parts of polymerized polymer, wherein the metal nanoparticles are metal particles obtained by mixing (b1) organohydrogenpolysiloxane and (b2) at least one metal compound which is soluble in component (b3) to uniformity in (b3) cyclic or chain dimethylpolysiloxane or at least one organic solvent.

Abstract: The present invention relates to curable alkenyl based silicone release coating compositions having improved adhesion to paper and polymeric substrates. Furthermore the present invention relates to the process for making a silicone release coating with improved adhesion to paper and polymeric substrates.

Abstract: An addition curable self-adhesive silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane containing at least three SiH groups, (C) another organohydrogenpolysiloxane containing no other reactive groups than SiH groups, and (F) an addition reaction catalyst, with a SiH/alkenyl molar ratio ranging from 0.8 to 5.0, is briefly moldable and cures to various metals and organic resins.

Abstract: The invention relates to curable silicone compositions which contain silane based crosslinkers and a mixture of different organopolysiloxanes. The compositions are particularly suitable as curable impression materials in dental applications.

Abstract: A solvent-free silicone composition for release paper, comprising a mixture prepared by i) subjecting the organopolysiloxane (I) which is composed of R13SiO1/2 units, SiO4/2 units and (HO)SiO3/2 units, and has an OH group content of from 0.02 to 0.1 mol/100 g, to a partial condensation reaction in an organic solvent in the presence of an alkaline catalyst and the organopolysiloxane (II) represented by the following formula (2), and ii) removing the organic solvent, said mixture having an OH group content of less than 0.02 mol/100 g. The composition forms a tight-release layer stable with time.

Abstract: The invention relates to curable silicone compositions which contain silane based crosslinkers and a mixture of different organopolysiloxanes. The compositions are particularly suitable as curable impression materials in dental applications.

Abstract: Provided is a silicone-sealed LED including: a LED chip, a cured silicone rubber layer which coats the LED chip, and a cured silicone resin layer which coats and seals the periphery of the cured silicone rubber layer. Also provided are a process for producing the silicone-sealed LED and a process for sealing a LED. In the silicone-sealed LED, a silicone rubber layer disposed between a silicone resin layer that represents the sealing body and a LED chip functions as a buffer layer, meaning cracks are not easily generated in the silicone resin layer that represents the sealing body, while full use is made of the excellent heat resistance, weather resistance, and color fastness of the silicone rubber and the silicone resin.

Abstract: A curable silicone composition includes: (A) an organopolysiloxane represented by the siloxane unit formula (1) given below and having at least two univalent organic groups that contain epoxy groups and are free of aromatic rings: [R13SiO1/2]a[R22SiO2/2]b[R3SiO3/2]c (where R1, R2, and R3 are univalent organic groups, at least two of which are univalent organic groups which contain epoxy groups and are free of aromatic rings; more than 20 mole % of R3 are aryl groups; a+b+c equals 1; on average, “a” satisfies the following condition: 0?a?0.8; on average, “b” satisfies the following condition: 0.2?b?0.8; and, on average, “c” satisfies the following condition: 0.2<c<1.0); (B) a linear-chain organopolysiloxane having at least two univalent organic groups that contain phenolic hydroxyl groups; and (C) a curing accelerator.

Abstract: A two-component addition-crosslinking silicone comprises (a) 0.1-70% by weight polyorganosiloxanes containing at least two unsaturated groups in the molecule; (b) 0.1-15% by weight polyorganohydrogensiloxanes containing at least two SiH groups in the molecule; (c) 0.01-2.0% by weight noble metal catalyst; and (d) 0.1-5% by weight of a non-toxic antimicrobial additive or a combination of at least two non-toxic antimicrobial additives.

Abstract: Provided is a liquid silicone rubber coating agent composition, including: (A) an organopolysiloxane containing at least one alkenyl group bonded to a silicon atom within each molecule, (B) a straight-chain organohydrogenpolysiloxane containing a single silicon atom-bonded hydrogen atom only at each molecular chain terminal, with a viscosity at 25° C. within a range from 0.001 to 1.0 Pa·s, (C) an organohydrogenpolysiloxane containing at least three silicon atom-bonded hydrogen atoms within each molecule, with a viscosity at 25° C. within a range from 0.001 to 10 Pa·s, (D) an addition reaction catalyst, (E) a finely powdered silica with a BET specific surface area of at least 50 m2/g, and (F) an adhesion imparting agent. Also provided is a curtain air bag with a rubber coating layer formed by curing this composition.

Abstract: A silicone rubber emulsion composition comprising (A) 100 parts diorganopolysiloxane having at least two silicon-bonded alkenyl groups, (E) 0 to 60 parts reinforcing silica filler, (B) 10 to 250 parts water containing a smectite clay, (C) 0.1 to 15 parts emulsifier, and (D) a cross-linking agent (e.g., an organohydrogenpolysiloxane) in an amount sufficient for cross-linking component (A) and a catalyst (e.g., a platinum-type catalyst). A method for preparing the aforementioned emulsion composition comprising mixing components (A) and (E) with other components in a high-speed stirrer-equipped mixer. A method of manufacturing a silicone rubber comprising either heating and dehydrating the aforementioned emulsion composition.

Abstract: A method of manufacturing a silicone rubber comprises a first stage and a second stage. The first stage comprises (1-1) the step of preparing an aqueous dispersion composed of water that contains a water-soluble polymer (E), a finely powdered silica filler (B), a conductive filler (C), and a non-conductive inorganic filler (D) and (1-2) the step of preparing an aqueous emulsion by stirring and mixing the obtained aqueous dispersion with the following components: an organopolysiloxane (A) that contains silicon-bonded alkenyl groups, an emulsification agent (F), and a curing agent (G). The second stage obtains the silicon rubber either (2-1) by curing the aqueous emulsion prepared in the aforementioned first stage, forming a wet silicone-rubber like cured body, and then removing water from the aforementioned wet silicone-rubber like cured body; or (2-2) by dehydrating and curing the aqueous emulsion prepared in the aforementioned first stage.

Abstract: An electrically conductive silicone rubber composition comprises, at least, (A) 100 parts by weight of an organopolysiloxane having at least two alkenyl groups per molecule, (B) an organopolysiloxane having at least two silicon-bonded hydrogen atoms per molecule (an amount sufficient to cure the present composition), (C) a platinum based catalyst (an amount sufficient to promote the cure of the present composition), (D) 50 parts by weight to 5,000 parts by weight of a metal based electrically conductive filler, and (E) 5 parts by weight to 500 parts by weight of spherical silicone rubber particles with a surface active agent content of not more than 0.3 wt %.

Abstract: Silicone rubber materials comprising finely divided phase change materials such as crystalline alkyl hydrocarbons or salt hydrates facilitate thermo-regulation due to latent heat absorption and latent heat release in the phase transition range of the phase change material, which improves the thermal performance and enhances the comfort sensation when using the silicon rubber material in item such as car seats, bicycle saddles, diving suits, building materials or medical devices.

Abstract: A sealing material comprising (A) an organopoly-siloxane containing at least two alkenyl groups in a molecule, (B) a resinous copolymer composed mainly of R3SiO1/2 and SiO2 units in a molar ratio of 0.5-1.5:1, wherein R is a monovalent hydrocarbon group, and containing 5×10?3 to 1×10?4 mol/g of vinyl groups, (C) an organohydrogenpolysiloxane containing at least two Si—H groups in a molecule, (D) fumed silica having a specific surface area of 150-400 m2/g, and (E) an addition reaction catalyst is suited for sealing one side edge of a polymer electrolyte fuel-cell separator since it has excellent acid resistance and improved compression set in acidic solutions, and exerts satisfactory seal effects.

Abstract: A tire is provided having a circumferential tread of a diene-based rubber composition reinforced with a silica-containing carbon black which contains domains of silica on its surface prepared by extended reactive mixing of said silica-containing carbon black with a coupling agent together with at least one elastomer. Said silica-containing carbon black is a carbon black which contains silica domains on its surface and said silica contains hydroxyl groups (e.g. silanol groups) on its surface, wherein said silica domains cover at least 50 percent of the carbon black surface. Said coupling agent is a bis(3-triethoxysilylpropyl) polysulfide having an average of from 2 to 4, alternately a more limited average of from 2 to 3 or from 2 to 2.6, connecting sulfur atoms in its polysulfidic bridge. In one aspect of the invention, it is preferred that said coupling agent is exclusive of a bis(3-trialkoxysilylalkyl) polysulfide having an average of greater than 3.5 sulfur atoms in its polysulfidic bridge.

Abstract: This invention discloses a method for preparing rubber compositions that exhibit unique combinations of properties that are desirable for tire tread applications for enhanced snow/ice and wet traction, low rolling resistance and increased treadwear performance in comparison with conventional silica compounds. Specifically, a high reactively silane coupling agent, such as a mercaptosilane, is used in combination with a silane coupling typically used for silica tread compounds such as bis(triethoxylsilylpropyl)disulfide to treat silica pellets in a hydrocarbon solvent at elevated temperatures. The treated silica is then blended with solution elastomer cement in a hydrocarbon solvent. The deposited reactive silanes partially react with the elastomer molecules forming a layer of polymer grafted on the silica surfaced. This structure significantly improves the silica retention during the steam stripping operation. Almost 100% (99+%) silica retention has been achieved by this invention.

Abstract: A silicone rubber coating composition which cures into a silicone rubber having a tear strength of 25-50 kN/m and a peeling bond strength of 30-60 N/cm is suited for coating of hollow weave type air bags. A hollow weave type air bag coated with the coating composition can be instantaneously inflated while the bag prevents the silicone rubber film from being peeled from the base fabric, eliminates inflating gas leakage, and retains an acceptable inflation time.

Abstract: An aqueous suspension of cross-linked silicone particles comprising (A) cross-linked silicone particles having an average diameter of 0.1 to 500 ?m, (B) polyoxyethylene sorbitan monolaurate, and (C) water. And, in a second embodiment, an aqueous emulsion of cross-linked silicone particles comprising (A) cross-linked silicone particles having an average diameter of 0.1 to 500 ?m, (B) polyoxyethylene sorbitan monolaurate, (C) water, and (D) oil.

Abstract: Methods for making homogenized cosmetic formulations comprising a silicone gel.

Abstract: The invention relates to a tire having at least one component (e.g. tread) of a rubber composition comprised of a composite of styrene/butadiene elastomer and functionalized styrene/butadiene elastomer containing an internal silanol and/or siloxy group therein with pendent silanol and/or alkoxy groups of a polymodal (e.g. bimodal) molecular weight distribution and a dispersion therein of silica aggregates of which a portion thereof contain a plurality of hydroxyl groups on their surface in a form of geminal hydroxyl groups. In one aspect, said silica aggregates may be pre-treated to reduce said hydroxyl groups on their surface prior to blending with said silanol and/or siloxy functionalized elastomer.

Abstract: An adhesive coating composition for fabric substrates, such as automotive airbags. The coating is formed from a blend including a silicone polymer and a second polymer which is thermodynamically compatible with silicone. In particular, the second polymer has a cohesion parameter (?/MPa1/2) that is similar to that of silicone so that any thermodynamic barrier to the second polymer dissolving in silicone is removed.