Abstract: Various embodiments disclosed related to modified elastomer surfaces and methods of making and using the same. In various embodiments, the present invention provides a method of modifying the surface of an elastomer. The method can include contacting a polymerizable composition and at least part of a surface of an elastomer. The polymerizable composition can include a free-radical polymerizable monomers, an organoborane-organonitrogen free-radical initiator, and an amine-reactive compound. The method can include at least partially polymerizing the polymerizable composition, to provide a polymerization product of the polymerizable composition on the surface of the elastomer.

Abstract: A copolymer composition is provided that is formed as the reaction product of (I) a cured polyorganosiloxane intermediate having repeating Si—O—Si units and at least one Si—OH functional group and (II) a polyfluoropolyether silane. The cured polyorganosiloxane intermediate has a surface having a water contact angle ranging from 40° to 90° as measured by ASTM 5946-04. In certain embodiments, the copolymer composition provides improved dust resistance as compared with cured polyorganosiloxanes from which the copolymer composition is formed.

Abstract: The present invention provides a curable organopolysiloxane composition capable of producing a cured article that can be used as a transducer and provided with excellent mechanical characteristics and/or electrical characteristics. The present invention also relates to a novel curable organopolysiloxane composition for transducer use comprising a curable organopolysiloxane composition, dielectric inorganic fine particles having a specific dielectric constant of greater than or equal to 10, and fine particles having a specific dielectric constant of less than 10.

Abstract: A hydrosilylation process is used to prepare a clustered functional polyorganosiloxane. The clustered functional polyorganosiloxane comprises a reaction product of a reaction of a) a polyorganosiloxane having an average, per molecule, of at least 2 aliphatically unsaturated organic groups; b) a polyorganohydrogensiloxane having an average of 4 to 15 silicon atoms per molecule; and c) a reactive species having, per molecule at least 1 aliphatically unsaturated organic group and 1 or more radical curable groups selected from an acrylate group and a methacrylate group; in the presence of d) a hydrosilylation catalyst, and e) an isomer reducing agent. The weight percent of silicon bonded hydrogen atoms in component b) divided by the weight percent of aliphatically unsaturated organic groups in component a) (the SiHb/Via ratio) ranges from 4/1 to 20/1. The resulting clustered functional polyorganosiloxane is useful in a curable silicone composition for electronics applications.

Abstract: This relates to the coating of air bags, which are used for safety purposes to protect occupants of vehicles such as automobiles, and of air bag fabrics intended to be made into air bags. In particular the invention relates to the top coating of air bags and air bag fabrics which have been pre-coated with a cured organic resin coating composition. The top-coat is an anti-blocking coating composition comprising at least one solid lubricant dispersed in an organic polymer binder. A process for applying the top-coat is also described.

Abstract: An optical assembly includes an optical device having an optical surface. The optical assembly further includes an encapsulant that substantially covers the optical surface. The encapsulant has a first layer (106) and a second layer (108). The first layer (106) has a first silicone-containing hot melt composition and a major surface (112). The second layer (108) has a second silicone-containing hot melt composition, the second layer (108) having a second major surface (110) in contact with the first major surface (112).

Abstract: A release-modifier composition comprises a capped polydiorganosiloxane-(MQ resin) copolymer, which comprises a macromolecule having an MQ resin portion covalently bonded to a polydiorganosiloxane portion. An M unit typically has the formula R1SiO1/2 and a Q unit typically has the formula SiO4/2, wherein R1 is an independently selected substituent. The polydiorganosiloxane portion comprises two D segments coupled to each other via a (RV,Alkenyl)SiO2/2 unit, wherein RV is (C1-C6)hydrocarbyl. Alkenyl may be (C2-C6)alkenyl. Each D segment comprises two or more (RD)2SiO2/2 units, which independently may be the same as or different than each other. Each RD independently may be (C1-C6)alkyl, (C3-C6)cycloalkyl, or phenyl. A curable release-coating composition comprising or prepared from the release-modifier composition, cured release-coating composition, coatings comprising the same, manufactured articles, kits, methods and uses, are also disclosed.

Abstract: An intumescent coating material, the material comprising first and second parts mixable together so that the material will cure by an addition reaction in the presence of a metallic catalyst. The first part including a polydiorganosiloxane polymer having at least two unsaturated groups per molecule. The first part also including the metallic catalyst and a reinforcing filler. The second part including an organohydrogensiloxane crosslinker described by formula R13Si(OSiR22)x(OSiMeH)yOSiR13, where each R2 is independently selected from saturated hydrocarbon radicals comprising from 1 to 10 carbon atoms or aromatic hydrocarbon radicals and each R1 is independently selected from hydrogen or R2, x is zero or an integer and y is an integer. The organohydrogensiloxane has at least three Si—H bonds per molecule.

Abstract: A process for preparing a reaction product including a halosilane includes: contacting an unsaturated hydrocarbyl halide and a ternary intermetallic compound at a temperature of 300° C. to 700° C. to form the reaction product. The ternary intermetallic compound includes copper, silicon and a transition metal. The halosilane in the reaction product has formula R1mR2n—HoSiX(4?m?n?o)> where each R1 is independently a saturated monovalent hydrocarbyl group, each R2 is independently an unsaturated monovalent hydrocarbyl group; each X is independently a halogen atom; subscript m is 1, 2, or 3; subscript n is 0, 1, or 2; subscript o is 0, 1, or 2; and a quantity (m+n+o) is 1, 2, or 3. At least a portion of the unsaturated hydrocarbyl groups in the unsaturated hydrocarbyl halide are converted to saturated hydrocarbyl groups (R1) in the halosilane.

Abstract: A cosmetic composition comprising a cosmetically active ingredient in a cosmetically acceptable medium, wherein the cosmetic composition contains a silicone composition comprising (A) a hydrophobic organopolysiloxane fluid having a surface tension of from 15 to 40 mN/m and (B) a finely divided solid hydrophobic filler dispersed in the organopolysiloxane fluid (A).

Abstract: The present invention relates to a curable silicone composition comprising: (A) an organopolysiloxane represented by the average unit formula: (R13SiO1/2)a(R12SiO2/2)b (R2SiO3/2)c (R3SiO3/2)d, wherein, R1 are the same or different alkyl groups having from 1 to 12 carbons, alkenyl groups having from 2 to 12 carbons, aryl groups having from 6 to 20 carbons, or aralkyl groups having from 7 to 20 carbons, provided that at least two R1 in a molecule are the alkenyl groups; R2 is an aryl group having from 6 to 20 carbons or an aralkyl group having from 7 to 20 carbons; R3 is an alkyl group having from 1 to 12 carbons; and a, b, c, and d are respectively numbers satisfying: 0.01?a?0.5, 0?b?0.7, 0.01?c<0.7, 0.1?d<0.9, and a+b+c+d=1; (B) a linear organopolysiloxane having at least two silicon-bonded alkenyl groups and at least one silicon-bonded aryl group in a molecule; (C) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule; (D) a hydrosilylation-reaction catalyst.

Abstract: A method for producing an organohalosilane, the method comprising: reacting an organic compound comprising a halogen-substituted or unsubstituted aromatic compound with a hydridohalosilane mixture comprising at least two different hydridohalosilanes of formula (I) RnSiHmX4-m-n, where each R is independently C1-C14 hydrocarbyl or C1-C14 hologen-substituted hydrocarbyl, X is fluoro, chloro, bromo, or iodo, n is 0, 1, or 2, m is 1, 2, or 3 and m+n is 1, 2, or 3, in the presence of a catalyst comprising one or more of the elements Sc, Y, Ti, Zr, Hf, Nb, B, Al, Ga, In, C, Si, Ge, Sn, or Pb, at a temperature greater than 100° C.

Abstract: This invention relates to a curable silicone composition comprising: (A) a straight-chain organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organopolysiloxane represented by the following average unit formula: (R1SiO3/2)a(R12SiO2/2)b(R13SiO1/2)c(SiO4/2)d(XO1/2)e wherein, R1 each independently represent an alkyl group having from 1 to 12 carbons, an alkenyl group having from 2 to 12 carbons, an aryl group having from 6 to 20 carbons, an aralkyl group having from 7 to 20 carbons, or a group in which some or all of the hydrogen atoms of these groups are substituted with halogen atoms, with the proviso that at least two R1 in a molecule are the alkenyl groups, X is a hydrogen atom or an alkyl group, a is a number from 0 to 0.3, b is 0 or a positive number, c is a positive number, d is a positive number, e is a number from 0 to 0.4, a+b+c+d=1, c/d is a number from 0 to 10, and b/d is a number from 0 to 0.

Abstract: A method of using lubricant compositions to reduce wear between two surfaces exposed to a load condition of at least 1 GPa is provided. The lubricant compositions comprise polysiloxane base oils having alkylaryl or a combination of alkyl and aryl functionality. The polysiloxane base oils may be defined according to the formula: wherein R, R?, and R? are independently selected, such that R is an alkyl group having between 1-3 carbon atoms; R? is an alkylaryl group comprising alkyl functionality with 3-12 carbon atoms and aryl functionality with 6 to 12 carbon atoms; R? is an alkyl group having between 1-3 carbon atoms or an alkylaryl group comprising alkyl functionality with 3-12 carbon atoms and aryl functionality with 6 to 12 carbon atoms; and m and n are integers, such that 8<(m+n)<500.

Abstract: The inventive concepts provide silicon precursors, methods of forming a layer using the same, and methods of fabricating a semiconductor device using the same. The silicon precursor includes a silane group including two or more silicon atoms. The silicon precursor has a high and uniform adsorption property on surfaces of layers (e.g., a silicon layer, an oxide layer, and a nitride layer) that are mainly used when semiconductor devices are fabricated.

Abstract: A cross-linked aminosiloxane polymer includes a first siloxane backbone, a second siloxane backbone, and at least one intramolecular structure cross-linking a silicon atom of the first siloxane backbone and a silicon atom of the second siloxane backbone. The intramolecular structure has the chemical structure: (I) In Formula (I), X is chosen from the following groups; (II); (III); or (IV). In groups (II), (III), and (IV), each R is independently a C1-C10 hydrocarbon group. Each R1 is independently a C1-C10 hydrocarbon group. Each R2 is independently a hydrogen atom, OH, a C1-C12 hydrocarbon group, a phenyl group, R?(OR?)m, or R?OH. Each of R? and R? is independently an alkyl group and “m” is 1 to 3. Moreover, “a” is 0 or 1. The cross-linked aminosiloxane polymer can be formed by the method of this disclosure.

Abstract: The present invention provides a curable organopolysiloxane composition capable of producing a cured article that can be used as a transducer and provided with excellent mechanical characteristics and/or electrical characteristics. The present invention also relates to a novel curable organopolysiloxane composition for transducer use comprising a curable organopolysiloxane composition and a compound having a highly dielectric functional group.

Abstract: A method is useful for maintaining a uniformly fluidized bed in a fluidized bed apparatus. The method includes the steps of charging a mixture of particles including copper silicide particles and fluidization additive particles into the fluidized bed apparatus, and uniformly fluidizing the particles at a temperature of at least 400° C. in the fluidized bed apparatus.

Abstract: An emulsion includes a liquid continuous phase and a dispersed phase including a cross-linked aminosiloxane polymer. The cross-linked aminosiloxane polymer includes a first siloxane backbone, a second siloxane backbone, and at least one intramolecular structure cross-linking a silicon atom of the first siloxane backbone and a silicon atom of the second siloxane backbone. The intramolecular structure has the chemical structure: (Formula (I)) wherein X is chosen from the following groups; (Formula (II); (Formula (III)); or (Formula (IV)) wherein each R is independently a C-1-C-10 hydrocarbon group, each R1 is independently a C-1-C-10 hydrocarbon group, each R2 is independently a hydrogen atom, OH, a C-1-C-12 hydrocarbon group, a phenyl group, R?(OR?)m wherein m is 1 to 3, or R?OH, wherein each of R? and R? is independently an alkyl group, and wherein a is 0 or 1. This disclosure also provides a method of forming the emulsion.

Abstract: A particulate wetting and hydrophobing additive comprising components a) and b), where: component a) is a disiloxane having structure (I) Where R2 is selected from a branched or linear hydrocarbon group of 2 to 10 carbons, a substituted branched or substituted linear hydrocarbon group of 2 to 10 carbons, an aryl group, a substituted aryl group and an optionally substituted alkyl hydrocarbon group of 4 to 9 carbons containing aryl substituents of 6 to 20 carbons; R1, R3, R4 and R5 are each independently selected from the monovalent hydrocarbon groups of 1 to 4 carbons, substituted monovalent hydrocarbon groups of 1 to 4 carbon atoms, aryl, and a hydrocarbon group of 6 to 20 carbons containing an aryl group; Z is a linear or branched divalent hydrocarbon radical of 1 to 10 carbon atoms and R8 is selected from OH, H, monovalent hydrocarbon groups of 1 to 6 carbons and acetyl, each of the subscripts a, b and c are zero or positive provided that a+b+c?1; and component b) is a carrier.