Abstract: A polymer (A) having, at one terminal moiety thereof, a terminal structure having two or more carbon-carbon unsaturated bonds. A reactive-silicon-group-containing polymer (B) having, at one terminal moiety thereof, a terminal structure having two or more reactive silicon groups.

Abstract: [Problem] To provide a perhydropolysilazane making it possible to form a siliceous film with minimal defects, and a curing composition comprising the perhydropolysilazane. [Means for Solution] The present invention provides a perhydropolysilazane having a weight-average molecular weight of 5,000 to 17,000, characterized in that when 1H-NMR of a 17% by weight solution of said perhydropolysilazane dissolved in xylol is measured, the ratio of the amount of SiH1,2 based on the aromatic ring hydrogen content of the xylol is 0.235 or less and the ratio of the amount of NH based on the aromatic ring hydrogen content of the xylol is 0.055 or less, and a curing composition comprising the perhydropolysilazane. The present invention also provides a method for forming a siliceous film, comprising coating the curing composition on a substrate and heating.

Abstract: The invention relates to polymers containing silane groups, to a method for their production and to their use as a component of curable compositions, in particular of moisture-curing sealants, adhesives or coatings that can be applied at ambient temperature, or of hot-melt adhesives containing silane groups. The polymers containing silane groups are obtained in particular by means of a special hydroxysilane which can be produced in particular from the reaction of lactides with aminosilanes.

Abstract: A method of treatment of outdoor equipment for reducing ice adhesion thereon, the outdoor equipment defining a substrate on which a layer of linkers is intended to be coupled, the linkers being bi-functional and including: a first reacting group able to couple in a stable way in environmental conditions with the substrate, and a second reacting group able to generate a covalent bond stable in environmental conditions with polysaccharides, the method includes the steps of: coupling the linkers on at least an area of the equipment to obtain a layer of linkers coupled stably in environmental conditions with the substrate; and making react some polysaccharides on the layer of linkers to bind them with a covalent bond stable in environmental conditions with the second reacting group of the linkers and forming a layer of polysaccharides on the layer of linkers.

Abstract: The invention aims to provide an addition curable silicone resin composition with excellent interfacial adhesion properties, storage stability and transparency. The addition curable silicone resin mixtures has a refractive index of 1.35 to 1.

Abstract: The present invention relates to: a curable composition comprising a component (A), a component (B), and a component (C), the curable composition comprising the component (A) and the component (B) in a mass ratio (component (A):component (B)) of 100:0.3 to 100:30, a cured product obtained by curing the curable composition, a method for using the curable composition as an optical device-securing adhesive or an optical device sealing material. The present invention provides a curable composition that produces a cured product that exhibits excellent transparency, excellent heat resistance, excellent crack resistance, and high adhesion, a cured product obtained by curing the curable composition, a method for using the curable composition as an optical device-securing adhesive or an optical device sealing material, a sealed optical device in which an optical device is sealed with a cured product of the curable composition, and a method for producing the same.

Abstract: There is provided herein a silicone pressure sensitive adhesive composition comprising (A) a linear olefinically-functional polyorganosiloxane copolymer gum possessing a degree of polymerization in excess of 3,000; (B) a silicone resin including at least one MH unit and at least one Q unit; and, (C) a hydrosilylation catalyst, wherein the composition is in the substantial absence of low molecular weight siloxane having a degree of polymerization of less than 3,000 and wherein the composition has low peel adhesion to and clean removal from a substrate. There is also provided a protective film including the same as well as a method of making the protective film.

Abstract: A silica-containing resin composition, characterized by containing a resin and silica particles in an amount of 5 to 300 parts by mass, with respect to 100 parts by mass of the resin, wherein the silica particles satisfy the following requirements (a) to (c): (a) the silica particles have a specific surface area, as determined through a nitrogen absorption method, of 20 to 500 m2/g; (b) the silica particles have a percent moisture absorption of 5.0 mass % or less at a relative humidity of 50%; and (c) the silica particles contain substantially no metallic impurity or halogen.

Abstract: A phosphoric acid-based catalyst is used as a cure accelerator for a polysilsesquioxane-based UV-LED-encapsulating material, a cured product of which has a light transmittance of 65% or more at 260 nm. A polysilsesquioxane-based UV-LED-encapsulating material composition contains a polysilsesquioxane-based UV-LED-encapsulating material and a phosphoric acid-based catalyst.

Abstract: In some aspects, the present invention relates generally to self-release compositions and methods useful for the removal or prevention of mineral scaling and, more particularly, to surface coatings and surface treatments that resist, prevent, or aid in removal of mineral scaling. In some aspects, the self-release coating includes a polyhedral oligomeric silsesquioxane and a thermoplastic or an additive.

Abstract: The invention is an adhesive composition comprising a silyl terminated prepolymer having a number molecular weight average (Mn) of about 8,000 to about 80,000 g/mole, a filler, and a silanol condensation reaction catalyst. The silyl terminated prepolymer is comprised of a polymeric backbone of alkylene oxide and at least three urethane groups and at least two terminal groups comprised of a silicon atom having at least two alkoxy silane groups, wherein each silicon atom in the terminal groups is separated from the urethane groups in the polymeric backbone by an amount of alkylene oxide that has a molecular weight of 200 to 15,000 g/mole.

Abstract: An object of the present invention is to provide an adhesive composition for a high-power optical fiber having a low pull-in amount. The adhesive composition for a high-power optical fiber of the present invention contains: a compound (A) having an aromatic ring and a reactive silicon-containing group; a glycidyl compound (B); and a compound (C) having a silsesquioxane cage structure.

Abstract: Provided is fluoroalkyl silicone of the formula (I): wherein each R1 is independently an alkyl or aryl; Rf is a perfluoroalkyl group, optionally substituted by one or more in-chain —O—, .S— or —NRf1— heteroatoms, where Rf1 is a perfluoroalkyl preferably a C1-C6 perfluoroalkyl; R3 is —H, —OR4; where R4 is a C1-C4 alkyl n is 0 to 2000; m may be zero; p may be zero, n+m+p is at least one; q is at least 3; R5 is H, alkyl, aryl-(CH2)n—CF2CHF—O—Rf; or R3; wherein the fluoroalkyl silicone has at least one fluorinated group of the formula (CH2)q—O—CF2CHF—O—Rf.

Abstract: The present invention relates to a curable silicone composition comprising: (A) an organopolysiloxane resin having at least two alkenyl groups in a molecule; (B) an organopolysiloxane represented by a general formula; (C) an organosiloxane (C1) having silicon-bonded hydrogen atoms at both molecular terminals, an organopolysiloxane (C2) having at least two silicon-bonded hydrogen atoms in a molecule, or a mixture of components (C1) and (C2); and (D) a hydrosilylation reaction catalyst. The curable silicone composition has excellent handleability and can form a cured product with a high refractive index and low gas permeability when cured.

Abstract: The present invention relates to a tin-free composition comprising at least one silylated polymer and at least one tin-free polyhedral oligomeric metallo silsesquioxane. The present invention also relates to a process of curing a composition comprising a silylated polymer comprising the step of: contacting a silylated polymer with a tin-free polyhedral oligomeric metallo silsesquioxane.

Abstract: A heat storage composition (20) of the present invention includes a matrix resin (21) and heat storage inorganic particles (22). The heat storage inorganic particles (22) are composed of a material that undergoes an electronic phase transition and has a latent heat of 1 J/cc or more for the electronic phase transition. The amount of the heat storage inorganic particles is 10 to 2000 parts by weight with respect to 100 parts by weight of the matrix resin. The heat conductivity of the heat storage composition is 0.3 W/m·K or more. The heat storage composition may further include heat conductive particles (23, 24). The heat storage inorganic particles are preferably metal oxide particles containing vanadium as the main metal component. The heat storage composition has high heat storage properties and high heat conduction properties, and is used as a heat storage silicone material provided between a heat generating component and a case.

Abstract: Provided are alkoxysilylated epoxy compounds, a composite of which exhibits good heat resistance properties, low CTE and increased glass transition temperature, and a cured product thereof exhibits good flame retardancy without requiring separate coupling agent, a method for preparing the same and a composition and a cured product including the same. An alkoxysilylated epoxy compound including an epoxy group and at least one alkoxysilyl group of an S1 substituent selected from Formulae S11 to S15 or an S2 substituent selected from Formulae S21 to S25; a method for preparing the same by epoxy ring-opening reaction of starting material and alkoxysilylation, an epoxy composition including the epoxy compound, and a cured product and a use of the composition, are provided. Since chemical bonds may be formed between alkoxysilyl group and filler and between alkoxysilyl groups, chemical bonding efficiency of the composite may be improved.

Abstract: A self-healing thermal interface material includes a reactive silicone-based material and a thermally conductive filler material. The reactive silicone-based material is modified to include one or more hydrogen bonding functional groups. The thermally conductive filler material is modified to include a thymine functional group or an adenine functional group.

Abstract: A siloxane compound comprises a plurality of siloxane repeating units and at least a portion of the siloxane repeating units are cyclosiloxane repeating units conforming to a specified structure. A process for producing such siloxane compounds is also provided. A process and kit for producing a cross-linked silicone polymer using the described siloxane compounds is also provided. A light emitting diode (LED) comprises an encapsulant, and the encapsulant comprises a cross-linked silicone polymer produced from the described siloxane compounds.

Abstract: A curable silicone composition is provided that comprises a reaction product of a reaction of (I) a clustered functional polyorganopolysiloxane having at least one radical curable group selected from an acrylate group and a methacrylate group; (II) a silicone reactive diluent, and a (III) a radical initiator.