Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a polymeric charge transport material having the formula where n and m are each a distribution of integers, and the n units of R1—Si—X1—Ar1 and m units of R2—Si—X2—Ar2—X3-Z form either a random, an alternative, or a block copolymer; R1 and R2 comprise, each independently, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, a heterocyclic group, or an aromatic group; X1, X2, and X3 comprise, each independently, a bond or a linking group; A1 and A2 are each a terminal group; Ar1 and Ar2 comprise, each independently, an aromatic group; and Z comprises a functional group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and methods of preparing the polymeric charge transport material are described.

Abstract: A heat-conductive silicone composition comprising at least (A) an organopolysiloxane, (B) a heat-conductive filler, and (C) a specific organosiloxane. The silicone composition is excellent in handleability, even when it contains a large amount of a heat-conductive filler for the purpose of attaining higher heat conductivity.

Abstract: A peroxide curable silicon adhesive composition comprising a diorganopolysiloxane (A), a polyorganosiloxane (B) comprising R13SiO0.5 unit and SiO2 unit in a molar ratio of the R13SiO0.5 unit to the SiO2 unit of from 0.6 to 1.7, a hindered amine compound (C), and an organic peroxide (D), and an adhesive tape thereof are provided. Also provided are an addition-reactive silicon adhesive composition comprising a diorganopolysiloxane (A?) having 2 or more alkenyl groups, a polyorganosiloxane (B), a hindered amine compound (C), a polyorganosiloxane (E) having SiH group, a retarder (F), and a platinum catalyst (G), and an adhesive tape thereof.

Abstract: A silicone adhesive having (A) an organopolysiloxane partial condensate of (i) a diorganopolysiloxane end-capped with a hydroxyl radical and (ii) an organopolysiloxane copolymer having hydroxyl radicals and having R33SiO1/2 units and SiO4/2 units wherein R3 is hydroxyl or a monovalent hydrocarbon radical, (B) a silane or siloxane compound having a silicon atom-bonded alkoxy radical and/or an epoxy radical, and (C) a crosslinking agent exhibits pressure-sensitive adhesion and permanent adhesion.

Abstract: A silicone coating material is operative to graft a silicone polymer coating on an ignition wire. The ignition wire includes an insulated conductor with an inner conductive core and an outer insulating jacket layer which has an outer surface. The silicone coating material is applied to the outer surface of the insulating jacket layer and includes a silicone prepolymer, a coupling agent, a catalyst, and a graft initiator. The graft initiator is operative to prepare the outer surface of the insulating jacket to receive by grafting the coating layer including the silicone prepolymer and the coupling agent, and the catalyst is operative to promote grafting by polymerization of the coating layer.

Abstract: A thermoconductive silicone composition comprising: (A) an organopolysiloxane (excluding component (C)), (B) a thermoconductive filler, and (C) at least two organopolysiloxanes as defined by the following general formula that have different values for the subscript n (I), wherein each R1 is independently selected from monovalent hydrocarbon groups; R2 is an oxygen atom or divalent hydrocarbon group; R3 is an alkyl, alkoxyalkyl, alkenyl, or acyl; n is an integer from 5 to 100; and a is an integer from 1 to 3

Abstract: A method is disclosed for preparing an elastomeric base composition comprising: (I) mixing (A) a fluorocarbon elastomer with (B) a compatibilizer, (C) an optional catalyst, (II) mixing the product of step (I) with (D) a silicone base comprising a curable organopolysiloxane, (E), an optional crosslinking agent, (F) a cure agent in an amount sufficient to cure said organopolysiloxane; and (III) dynamically vulcanizing the organopolysiloxane, wherein the weight ratio of fluorocarbon elastomer (A) to silicone base (B) in the elastomeric base composition ranges from 95:5 to 30:70. The cured rubber compositions obtained from the elastomeric base compositions herein have good fuel resistance properties.

Abstract: The present invention relates to a novel silicone rubber material. The feedstocks for preparing the silicone rubber are a crosslinkable siloxane, a methylsiloxane resin and a cross-linking agent. This material is in solid state and has a high adhesivity. The present invention further relates to a process for preparing said silicone rubber material and uses in the area of self-adhesives with skid-prevention.

Abstract: Liquid silicone rubber coating compositions which include specific amounts of an organopolysiloxane bearing at least two alkenyl groups, an organohydrogenpolysiloxane bearing at least two silicon-bonded hydrogen atoms, a crosslinking reaction catalyst which is an organic peroxide, a finely divided silica and a tackifier have a good coatability even when not diluted with a solvent. In airbags obtained by coating such a composition onto a woven base fabric and curing the applied composition, the cured coat does not delaminate during airbag inflation, thus minimizing inflator gas leakage and resulting in excellent inflation time sustainability.

Abstract: A silicone adhesive comprises (A) a reaction mixture obtained by subjecting a partially condensed mixture of (i) a hydroxy-terminated diorganopolysiloxane and (ii) an organopolysiloxane copolymer having hydroxyl and alkenyl radicals and comprising R33SiO1/2 units and SiO2 units, and (iii) a silicon compound having a silicon atom-bonded hydrogen atom and a silicon atom-bonded alkoxy radical to addition reaction in the presence of a platinum catalyst and (B) a crosslinking agent. The silicone adhesive exhibits at the initial a tackiness sufficient to fixedly secure a substrate. By press bonding another substrate to the adhesive-bearing substrate and heating them, the substrates can be firmly bonded together.

Abstract: The present invention relates to a process for baking a food product utilizing a confectionery mould made from silicone. The confectionery mould is obtained by mixing and reacting a crosslinkable silicone, especially methyl-vinyl siloxane (VMQ), and a peroxide as a cross-linking agent.

Abstract: A block copolymer, preferably a block copolymer such as poly(isoprene-block-ethylene oxide), PI-b-PEO, is used as a structure directing agent for a polymer derived ceramic (PDC) precursor, preferably a silazane, most preferably a silazane commercially known as Ceraset. The PDC precursor is preferably polymerized after mixing with the block copolymer to form a nanostructured composite material. Through further heating steps, the nanostructured composite material can be transformed into a nanostructured non-oxide ceramic material, preferably a high temperature SiCN or SiC material.

Abstract: A one-part polysiloxane composition comprising a branched organopolysiloxane with vinyl groups bonded to silicon atoms, an organohydrogenpolysiloxane with at least two hydrogen atoms bonded to molecular chain terminal silicon atoms within each molecule, and a platinum based catalyst, together with an additional phosphite triester and an organic peroxide, is resistant to increases in viscosity, and does not gel, even on extended storage at room temperature. Even after storage, the characteristics of the cured gel product are unchanged. Accordingly, a composition of the present invention offers excellent long term storage stability at room temperature.

Abstract: To provide a silicone rubber composition for wiper blades, which, due excellent moldability and ability to closely repeat the shape of the die during extrusion, is suitable for forming wiper blades of complicated shapes; to provide a method of manufacturing the aforementioned composition. A silicone rubber composition for a wiper blade comprising (A), a polydiorganosiloxane, (B) a finely divided, reinforcing silica filler, (C) orthoboric acid or metaboric acid, (D) a powdered calcium carbonate, (E) an organic peroxide curing agent, and an additive for improving water-repellent properties of a wiper blade made from said composition, comprising one or both of (F) a polyorganosiloxane having a viscosity of 1 to 10000 mPa·s and containing in one molecule at least two silicon-bonded hydrogen atoms and (G) a polydiorganosiloxane having a viscosity of 1 to 10000 mPa·s; a method of manufacturing the aforementioned composition.

Abstract: The invention relates to a method for the preparation of a siloxane-based elastomer composition comprising at least one elastomer, said elastomer composition comprising poly(alkylene oxide) groups present in the elastomer as alkoxy-terminated grafts of polysiloxane units and linked to the polysiloxane units by silicon-carbon bonds wherein at least one vinyl functional polymer component is crosslinked in the presence of a peroxide catalyst.

Abstract: The invention concerns a method for preparing by thermal activation of hybrid silicone and organic polymers comprising the motifs RxUySiO[4?(x+y)]/2 (I) wherein: x is equal to 0, 1, 2 or 3, y is equal to 0, 1, 2 or 3 with 2?(x+y)?3 and y is different from 0 for at least one of the hybrid copolymer motifs; and the symbols U, identical or different, represent organic polymer units.

Abstract: The invention concerns polyorganosiloxanes (POS) grafted with peroxide functions and functions stabilizing the latter. Said stabilized peroxidised POS are designed to form a novel oxidizing system useful as bleaching agents, for example or dental or detergent compositions. The invention aims at and succeeds in providing peroxygenated bleaching agents more stable and more efficient than those known in prior art. The inventive stabilized and peroxidised POS correspond for example to the formula (a). The invention also concerns a method for making said peroxidised POS, the precursors thereof and their uses as bleaching agents in dental compositions (toothpaste or detergent compositions).

Abstract: Heat-curable silicone compositions employing a reactive silicone, a silicone hydride crosslinker and a catalyst system which includes a rhodium-based catalyst, a stabilizing system are disclosed. A combination of rhodium and platinum-based catalysts are employed as well. The compositions are low temperature curing and are capable of providing low coefficient of thermal expansion compositions. A stabilizer system which includes in combination a peroxide and an acetylenic compound is also disclosed.

Abstract: A fluororubber composition comprising (A) a liquid perfluoro compound having at least two alkenyl groups and a divalent perfluorolakylene or perfluoropolyether structure, (B) a compound capable of addition reaction having at least two hydrosilyl groups, components (A) and (B) being combined and precured in the presence of an addition reaction catalyst to form a precured base, (C) a reinforcing filler, and (D) a peroxide crosslinking agent containing an isopropyl monocarbonate group has improved solvent resistance, chemical resistance, heat resistance and low-temperature properties, as well as satisfactory rubber physical properties, especially strength.

Abstract: Thermoplastic silicon block copolymers containing (A) a hard segment polymer constituent prepared from styrene, methylmethacrylate, butylacrylate, acrylonitrile, vinyl monomers, or mixtures therefore, and (B) a soft segment polymer constituent of general formula (I) G-[(SiR2O)mSiR2—X—]n(SiR2O)mSiR2-G wherein R is an optionally halogenated monovalent C1-18 hydrocarbon radical and X is a specific aryl group-containing, silicon bonded radical, and each G may be a radical (A)-Z-(Si) or Z′-(Si) wherein -Z- represents an aryl group-containing bivalent radical and Z′- represents a monovalent aryl group-containing radical, provided that there is, at most, one radical G and one radical Z′- in formula (I). In formula (I), m represents a whole number between 1 and 1000 and n represents 0 or a whole number between 1 and 20, provided that when n does not equal 0, 4≦n·m≦1000.

Abstract: An inorganic filler which has been surface coated with an addition cure silicone composition in the cured state is included in an organopolysiloxane composition, which becomes effective for preventing the filler from settling down even during long-term shelf storage.

Abstract: A membrane or matrix for controlling the permeation rate of a drug, where the membrane or matrix includes a siloxane-based elastomer composition which contains at least one elastomer and optionally a non-crosslinked polymer. The elastomer composition includes poly(alkylene oxide) groups, and the poly(alkylene oxide) groups are present as blocks in a chain of the elastomer or the polymer, or as blocks and alkoxy-terminated grafts of polysiloxane units, the blocks or blocks and grafts being linked to the polysiloxane units by silicon-carbon bonds, with at least three blocks being present in the elastomer or polymer chain. Methods for the preparation of the elastomer composition are also disclosed.

Abstract: Process for treating a flexible bi-constituent self-demolding silicone membrane used as a counterform particularly for resin transfer molding. The membrane is coated with a thin layer of at least one monoconstituent silicone which is a polysiloxane cross-linkable at ambient temperature in the presence of the moisture in air. The polysiloxane corresponds to the formula (I): in which: the substituents R3, R4, and R5 are selected from alkyl or aryl radicals, R6 represents an alkyloxy group, an alkenyloxy group, an alcanoyloxy group, an amino group, a ketiminoxy group, an amido group, an aminoxy group.

Abstract: The present invention relates to a crosslinking agent comprising methyl siloxane polymer of a backbone having a polyalkylene oxide group as a branch group and acryl groups at both ends, and a crosslinkable solid polymer electrolyte composition comprising a crosslinking agent, a lithium salt, an organic solvent, and a curing initiator mixed in a certain ratio. The crosslinkable solid polymer electrolyte composition has a high ionic conductivity at room temperature and can be readily formed into a film and is thus suitable for use in large-size lithium-polymer secondary batteries applicable to electric cars, power storage devices for power leveling and the like, as well as in small-size lithium-polymer secondary batteries applicable to video cameras, portable data terminals such as cellular phones and notebook computers, and the like.

Abstract: A curable sealant composition is provided. The composition includes a polymer including at least conjugated diene contributed monomer units in a backbone of the polymer and terminal groups including silicon. The composition also includes additional sealant ingredients selected from the group consisting of plasticizers, filler, reinforcing agents, modifiers, curing catalysts/hardeners, stabilizers, and mixtures thereof.

Abstract: A silicone rubber composition comprising (A) an organopolysiloxane having at least two aliphatic unsaturated groups, (B) finely divided silica, (C) a metal powder or an electrically conductive metal-plated powder, (D) an adhesive aid, and (E) a curing agent cures into silicone rubber having a low volumetric resistivity and a stable high conductivity, exhibiting improved adhesion to resin and metal substrates, and thus suitable as electrically conductive parts and electrical contacts in electrical equipment.

Abstract: A release layer on a substrate, substrates comprising said release layer, coating formulations which provide the release layer and methods for preparing the release layer to render surfaces non-adherent. The release layer comprises copolymers of an electron donor molecule and a maleamic-functional silicone having at least one maleamic acid group. The cure of the coating formulation is not inhibited by oxygen or basic materials.

Abstract: Storage stable, UV curable, NIR transparent, polycondensates and methods for the production thereof by condensation of one or more silanediols of formula (I) and/or derived precondensates thereof with one or more silanes of formula (II) and/or derived precondensates thereof At least one of the aromatic groups Ar1 or Ar2 bears a cross-linkable functional group. The polycondensates are curable by crosslinking.

Abstract: A conductive silicone rubber composition is provided, which includes (a) 100 parts by weight of an organopolysiloxane represented by an average composition formula of RaSiO(4−a)/2 wherein R is an unsubstituted or substituted monovalent hydrocarbon group which may be the same or different, and a is a positive number of 1.90 to 2.05, (b) 50 to 500 parts by weight of conductive particles comprising carbon coated with Ni, and (c) 0.1 to 10 parts by weight of an organic peroxide. This composition has an adequate pot life, is unlikely to be affected by catalyst poisoning, and is suitable for normal pressure hot air vulcanization. Cured products produced from the composition has a low volume resistivity and excellent electromagnetic interference sealing properties.

Abstract: Storage stable, UV curable, NIR transparent, polycondensates and methods for the production thereof by condensation of one or more silanediols of formula (I) and/or derived precondensates thereof 1

Abstract: In a fluorosilicone rubber composition comprising (A) an organopolysiloxane having trifluoropropyl and (B) a silica filler, there are included (C) an organic peroxide of percarbonate type as a crosslinking agent and (D) a compound having a molecular weight of up to 10,000 and bearing in a molecule at least two substituents selected from among allyl, acryloyl, methacryloyl, epoxy and alkoxy groups as a co-crosslinking agent, whereby the vulcanization molding time is substantially reduced without detracting from physical properties.

Abstract: The invention relates to curing process wherein specific unsaturated diacyl-peroxides and/or unsaturated acylperoxycarbonates are used. These peroxides were found to be pre-eminently suited to the curing of silicone rubbers and polyester resins. Their use does not lead to blooming, bad smell and/or discoloration of the cured product, while allowing low residual monomer levels to be obtained at processing temperatures below the temperature used in conventional processes wherein peroxyesters are used.

Abstract: A polydiorganosiloxane with a polar radical with a dipole moment greater than 2 debye provides a polydiorganosiloxane with an initial viscosity in a range between about 100 centipoise and about 50,000 centipoise. Further embodiments of the present invention include a silicone composition, a method for substantially increasing the thermal conductivity of a silicone composition, and a thermal interface material containing a silicone composition wherein the silicone composition includes the aforementioned polydiorganosiloxane.

Abstract: A hydrophobicity imparting particulate is provided in the present invention. A silicone composition comprises (A) a silicone polymer and (B) a hydrophobicity imparting particulate filler that imparts a hydrophobicity property to the composition. An insulator comprises a housing portion that includes a cured product of (A) a silicone polymer and (B) a hydrophobicity imparting particulate filler. A hydrophobicity recovery property of a silicone polymer composition can be improved by determining a target hydrophobicity recovery property for the cured silicone composition, selecting a hydrophobicity imparting particulate (HIP) to impart the hydrophobicity recovery property to the silicone polymer composition and compounding a blend of (A) a silicone polymer and (B) the selected inorganic filler and heating to cure the blend.

Abstract: Heat-curable silicone compositions employing a reactive silicone, a silicone hydride crosslinker and a catalyst system which includes a rhodium-based catalyst, a stabilizing system are disclosed. A combination of rhodium and platinum-based catalysts are employed as well. The compositions are low temperature curing and are capable of providing low coefficient of thermal expansion compositions. A stabilizer system which includes in combination a peroxide and an acetylenic compound is also disclosed.

Abstract: This invention relates to a new adhesive coating composition, particularly for use on airbag fabrics, which is composed of a crosslinked blend of a polyalkyl- or polyphenylsiloxane with vinyl functionality and a copolymer of ethylene and methyl acrylate. This coating provides excellent adhesive properties to the coated fabric, in that it restricts the movement, when put under stress, of the yarns constructing that fabric, which are situated adjacent to seams in the fabric. This reduces the effect known in the trade as combing. Fabric treated with this material in the manner described herein, requires a marked increase in the amount of force required for this yarn movement. This distortion of the fabric can be detrimental in an automotive airbag, in that, it may result in the loss of inflating air, and under extreme conditions may result in a seam failure.

Abstract: A method of insulating a cathode ray tube and an electrical insulator composition for a cathode ray tube enabling an electrical insulator to be produced without material loss and enabling improvement of the bonding strength between a stem and a stem base and the insulation property between stem pins, when attaching to a stem, which is provided at the cathode ray tube and has a tip and stem pins projecting therefrom, an insulating stem base, which comprises a base through which pin through holes are formed and has provided projecting from the front surface thereof a tip holder, in a state with the stem pins inserted through the pin through holes and the tip held in the tip holder, said method comprising the steps of molding an electrical insulator composition comprising an uncured self-adhesive silicone rubber into a predetermined sheet shape by using a transfer mold to obtain an electrical insulator, arranging the electrical insulator in a state extending from the positions of the pin through holes on the bac

Abstract: A silicone rubber composition comprising (A) an organopolysiloxane, (B) an inorganic filler, typically fumed silica, and (C) a specific halogen-free organic peroxide, typically 1,6-bis(p-toluoylperoxycarbonyloxy)hexane or 1,6-bis(benzoylperoxycarbonyloxy)hexane is safe and lends itself to atmospheric hot air vulcanization so that it can be extrusion vulcanized into silicone rubber having satisfactory physical properties without voids or surface tack. The silicone rubber composition is extrusion molded around an electrical wire, constructing a covered wire.

Abstract: A check valve which tends to be free from clamp damage and has a satisfactory pressure loss balance even if being used with a gasohol. The check valve comprises a fluorosilicone rubber having: (A) a tear strength of not smaller than 150 N/cm; (B) an initial 100% tensile stress of not greater than 3.5 MPa; (C) a 100% tensile stress of 1.8 to 3.0 MPa after immersion in a gasohol; and (D) a volume swell of not greater than 35% after immersion in the gasohol.

Abstract: This invention relates to a new adhesive coating composition, particularly for use on airbag fabrics, which is composed of a crosslinked blend of a polyalkyl- or polyphenylsiloxane with vinyl functionality and a copolymer of ethylene and methyl acrylate. This coating provides excellent adhesive properties to the coated fabric, in that it restricts the movement, when put under stress, of the yarns constructing that fabric, which are situated adjacent to seams in the fabric. This reduces the effect known in the trade as combing. Fabric treated with this material in the manner described herein, requires a marked increase in the amount of force required for this yarn movement. This distortion of the fabric can be detrimental in an automotive airbag, in that, it may result in the loss of inflating air, and under extreme conditions may result in a seam failure.

Abstract: An electrically conductive liquid silicone rubber composition having (A) 100 parts by weight of an organopolysiloxane having a viscosity of 10-100,000 centipoise at 25° C., (B) 1-100 parts by weight of a finely divided silica powder, (C) 30-700 parts by weight of a metal powder or an electrically conductive metal-plated powder, and (D) a curing agent in an amount sufficient to cure the organopolysiloxane. The composition has a low volumetric resistivity, a stable electrical resistance and can be injection-molded and cured to give an outstanding silicone rubber that is useful in electrical components and electrical contacts employed in high-conductivity applications.

Abstract: A tracking resistant electrical insulating material or article suitable for medium to high voltage applications comprising a silane-modified polyolefin, and a heat-shrinkable article prepared therefrom. Said material or article is preferably prepared by a process comprising: (a) reacting polyolefin with a silane in the presence of a free-radical initiator to form a silane-grafted polyolefin, or copolymerising a polyolefin with silane; (b) preparing a mixture of one or more silane-modified polyolefins prepared in (a) with optionally one or more non silane-modified polyolefins, antitrack ingredients, and a silanol condensation catalyst; (c) forming the insulating material or article by melt extruding or moulding said mixture; and (d) crosslinking the insulating material or article by exposing it to moisture, preferably at elevated temperature.

Abstract: A semi-conductive silicone rubber composition contains carbon black. The carbon black contains thermal black obtained by thermally cracking a natural gas and having a specific surface area—nitrogen absorption method of 8.0 to 10.0 m2/g, a dibutyl phthalate absorption number (dibutyl phthalate absorption number) of 30 to 40 cm3/100 g and an averaged particle size of 200 to 330 nm.

Abstract: Disclosed herein is a composition comprising:

Abstract: The invention relates to a novel process for the manufacture of very low molecular weight polyphenylene ether resin, typically within the intrinsic viscosity range of about 0.08 dl/g to about 0.16 dl/g as measured in chloroform at 25° C. The method preferably comprises 2,6-dimethylphenol as a monovalent phenol species. The invention also relates to the polyphenylene ether resin made by the process as well as blends and articles containing the polyphenylene ether resin made by the process.

Abstract: The invention pertains to dielectric films for the production of microelectronic devices. A spin-on glass film is produced by depositing a silazane polymer containing composition film onto a substrate and then exposing the film to electron beam radiation. The electron beam exposing step is conducted by overall exposing the dielectric layer with a wide, large beam of electron beam radiation from a large-area electron beam source.

Abstract: Polymer latices are provided that are useful as release coatings for pressure-sensitive adhesive (PSA) coated paper and tapes. With the ever-present environmental concern to eliminate organic solvents, the use of 100% solids and water-based release coatings is becoming more desirable. The latices of the present invention are waterborne, which is an advantage over the more conventional release coating compositions that are usually comprised of solvent-based polymers, and possess good and stable release characteristics.

Abstract: Oligomers of the formula: [R3SiO1/2]m[O1/2Si(R2)O1/2]n[SiO3/2R]o[SiO4/2]p  (I) wherein each R is selected individually from the group consisting of B, R1, —OR2, R3 and R4; B is an organosilyl functional group bridged to the Si atom of the siloxane oligomer backbone by an Si—C bond; each R1 is independently a saturated aliphatic hydrocarbon group of 1 to 16 carbon atoms; each R2 is independently a group as defined for R1, an aromatic hydrocarbon group or an acyl group; each R3 is independently a monovalent organic radical containing an aliphatically unsaturated hydrocarbon group and each R4 is a monovalent organic radical linked to the Si atom of the siloxane oligomer backbone by an Si—C bond, which does not include an aliphatically unsaturated hydrocarbon group and which has thereon one or more members of the group selected from aromatic hydrocarbon, ether, ester, carbamate, thioether, polysulfide, blocked mercaptan, amide, epoxy, cyano an

Abstract: A pressure sensitive adhesive composition includes an alkenyl-terminated polydiorganosiloxane, a silanol-terminated polydiorganosiloxane, a resinous copolymer, an organohydrogenpolysiloxane with terminal Si—H groups, a hydrosilation catalyst, and an organic cross-linking agent. The composition provides excellent high temperature adhesion properties and enables coatable formulations with low solvent content.

Abstract: A thermally conductive silicone rubber composition, comprising (A) a curable organopolysiloxane (B) a curing agent; and (C) a filler prepared by treating the surface of a thermally conductive filler with an oligosiloxane having a formula selected from (i) (R1O)aSi(OSiR23)(4−a) and (ii) (R1O)aR2(3−a)SiO[R22SiO]nSi(OSiR23)bR2(3−b) wherein R1 is alkyl, each R2 is independently a monovalent hydrocarbon group free of aliphatic unsaturation, subscript a is an integer from 1 to 3, b is an integer from 1 to 3, and n is an integer having a value greater than or equal to 0.