Abstract: An anti-foaming agent containing (A) an organopolysiloxane and a finely powdered inorganic filler, (B) a polyoxyalkylene group-containing branched chain organopolysiloxane, and (C) an anionic surfactant. This anti-foaming agent exhibits stable anti-foaming performance even at high temperatures that reach, for example, 80QC or under strongly alkaline conditions and produces no aggregates.

Abstract: A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components, including cells. Additionally, the material can be derivatized by reacting the polymeric material with components such as proteins.

Abstract: Provided is a semiconductor encapsulation resin composition exhibiting an insignificant heat decomposition when left under a high temperature of 200 to 250° C. for a long period of time; and a superior reliability and adhesion to a Cu LF and Ag plating under a high-temperature and high-humidity environment. The composition comprises: (A) a cyanate ester compound having not less than two cyanato groups in one molecule; (B) a phenolic compound; (C) at least one epoxy resin; (D) a copolymer obtained by a hydrosilylation reaction of an alkenyl group-containing epoxy compound and an organopolysiloxane; and (E) at least one compound selected from a tetraphenylborate salt of a tetra-substituted phosphonium compound and a tetraphenylborate salt. A molar ratio of phenolic hydroxyl groups in (B) to cyanato groups in (A) is 0.08 to 0.25, and a molar ratio of epoxy groups in (C) and (D) to cyanato groups in (A) is 0.04 to 0.25.

Abstract: A thermoplastic polyurethane composite material composition includes a plastic base material and a curing agent, the plastic base material includes a thermoplastic polyurethane and a silicone gum including at least two alkenyl groups in each of molecules thereof, wherein the thermoplastic polyurethane and the silicone gum are uniformly mixed, and a weight ratio of the thermoplastic polyurethane and the silicone gum is ranging from 95.01:4.99 to 99.5:0.5. The curing agent is uniformly mixed with the plastic base material, wherein the curing agent has an adding amount enabling the silicone gum to crosslink to form a silicone rubber.

Abstract: The disclosure provides pressure-sensitive adhesives and adhesive sealants prepared from alkoxysilane modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom. The adhesive is particularly useful in bonding optical displays.

Abstract: The present invention provides a processing aid for polyolefins which can eliminate melt fracture occurring at the start of molding in a short time even when a polyolefin, which is a melt-processable polymer, is extrusion-molded at a high speed. The present invention also aims to provide a polyolefin composition containing such a processing aid for polyolefins and a polyolefin. The processing aid for polyolefins contains an ethylene/tetrafluoroethylene copolymer as the only fluoropolymer, the ethylene/tetrafluoroethylene copolymer having a melting point of 170° C. to 270° C.

Abstract: Provided are a curable composition and its use. The curable composition exhibits excellent processability and workability before curing, and excellent light extraction efficiency, hardness, thermal and shock resistance, moisture resistance, gas permeability, and adhesiveness after curing. In addition, the curable composition may provide a cured product that exhibits long-lasting durability and reliability even under harsh conditions, and does not causing whitening and surface stickiness.

Abstract: The present invention provides an addition-curable silicone composition comprising: (A) a linear organopolysiloxane having silicon atom-bonded aliphatic unsaturated groups and CF3—(CF2)y—(CH2)z— groups; (B) an organopolysiloxane having silicon atom-bonded aliphatic unsaturated groups and CF3—(CF2)y—(CH2)z— groups, and having a branched structure represented by SiO4/2 and RSiO3/2; (C) an organosilicon compound having silicon atom-bonded hydrogen atoms and represented by the following general formula (1); and (D) a platinum group metal-based catalyst. There can be provided an addition-curable silicone composition that provides a cured product having low refractive index, high transparency, excellent light extraction efficiency, good rubber properties and strength properties, and no tack after curing, and in particular, has good transmittance of light with a wavelength of 400 nm at 25° C.

Abstract: A phosphine oxide-based compound represented by Formula 1, and an organic light-emitting device including the phosphine oxide-based compound. wherein Ar1 through Ar3, and a, b, and c are defined as in the specification.

Abstract: An artificial stone can be prepared by binding a suitable stone filler with a binder which contains a silicon bonded, hydroxyl-functional silicone resin also optionally bearing silicon bonded alkoxy groups, and an organosilicon compound which is a silane or siloxane bearing silicon bonded alkoxy groups. The artificial stone is resistant to the effects of UV light as well as heat.

Abstract: Fluorinated coatings having a lubricious additive, articles with the fluorinated coatings, and methods of making articles with the fluorinated coatings are provided. More specifically, the fluorinated coatings are prepared from a curable coating composition that includes both a fluorinated silane and a fluorinated polyether oil. The curable coating composition is typically applied adjacent to a siliceous substrate and then cured. The resulting cured articles can have an outer surface that has a good tactile response, that is abrasion resistant, that is easy to clean, or a combination thereof.

Abstract: The invention provides mercaptosilane-carbon black blends comprising at least 20 wt. % of mercaptosilanes of the general formula I and carbon black, the mercaptosilane-carbon black blend having an iron content of <9 ppm. They are produced by mixing the mercaptosilanes of the general formula I with the carbon black. They can be used in rubber mixtures.

Abstract: The present invention relates to an one-component adhesive composition, comprising a moisture cross-linking silyl modified polymer and an organoclay-based rheology controller being an alkyl ammonium salt modified mineral clay mixture. The present invention relates moreover to a two-component adhesive composition, comprising a first component A) comprising a moisture cross-linking polymer and an organoclay-based rheology controller; and a second water-based component B) that is reactive with component A) upon mixing thereof. The present invention moreover relates to a method of production of said adhesive composition.

Abstract: Disclosed herein are compositions, preparation methods, and use of thermally conductive materials comprising silicone composition curable by hydrosilylation, thermally conductive fillers, and phthalocyanine. The novel composition retains its desirable pliability after cure even when kept at an elevated temperature for an extended period.

Abstract: The present invention relates to a composition for an optical film comprising a homopolymer or a copolymer of norbonene-based monomers and a silicone resin, and to an optical film made of the same. The optical film produced by using the composition for an optical film according to the present invention can control the retardation value in the thickness direction and thus it can be useful as an optical film in variety of products.

Abstract: The present invention relates to a composition comprising (A) an isocyanate of formula (I) OCN-A-SiR1R2R3 (I), wherein A is straight-chain, branched, substituted and/or unsubstituted aliphatic hydrocarbyl of 1 to 12 carbon atoms or substituted or unsubstituted cycloaliphatic hydrocarbyl of 4 to 18 carbon atoms, wherein R1 is selected from the group comprising —O—Ralk, wherein R2 and R3 are each independently selected from the group of substituents comprising —Ralk and —O—Ralk, and wherein —Ralk is hydrocarbyl of 1 to 6 carbon atoms, and B) a Bronstedt or Lewis acid or a compound which releases a Bronstedt or Lewis acid at room temperature; and also to a process for producing a stabilized alkoxysilane-containing isocyanate comprising the step of adding a Lewis or Bronstedt acid or a compound which releases a Bronstedt or Lewis acid at room temperature to an alkoxysilane-containing isocyanate.

Abstract: The present invention relates to a resin composition for encapsulating an optical device and more particularly, the resin composition for encapsulating optical device of the invention comprising a polyhedral oligomeric silsesquioxane (POSS) of which the compatibility with resins is enhanced by its cross-linking ability and an organic polysilazane compound has excellent mechanical properties, and enhanced adhesive strengths to a base material and barrier properties against moisture or oxygen by having excellent solubility with siloxane resins and significantly improved outgassing phenomenon, thus being able to be applied to encapsulation process for various optical devices, especially the encapsulation process of thick films.

Abstract: A composition having: an amine-functional compound and an alkoxysilane-terminated polyurea made by reacting: an amino-functional alkoxysilane-polyisocyanate adduct with a difunctional amino- or hydroxyl compound. The composition contains no unreacted isocyanate groups. A coating composition having: an amine-functional compound, an alkoxysilane-terminated polyurea, and an epoxy- or acrylate-functional compound. The coating composition is a two-component system.

Abstract: A method of preparing an amiphiphilic co-network comprising preparing a molecularly-bimodal crosslinkable amphiphilic graft by polymerizing a dihydrocarbylacrylamide monomer in the presence of a first asymmetric-telechelic polydihydrocarbylsiloxane monomer mixture and a second asymmetric-telechelic polydihydrocarbylsiloxane monomer mixture where the molar mass ratio between average molar mass of the first asymmetric-telechelic monomer mixture polydihydrocarbylsiloxane and average molar mass of the second asymmetric-telechelic monomer mixture polydihydrocarbylsiloxane is between 1:2 and 1:20; and crosslinking the molecularly-bimodal crosslinkable amphiphilic graft with a siloxane compound that includes at least two Si—H bonds.

Abstract: Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one RI balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.