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Momentive Performance Materials Japan Llc patents


Recent patent applications related to Momentive Performance Materials Japan Llc. Momentive Performance Materials Japan Llc is listed as an Agent/Assignee. Note: Momentive Performance Materials Japan Llc may have other listings under different names/spellings. We're not affiliated with Momentive Performance Materials Japan Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Momentive Performance Materials Japan Llc-related inventors


Thermally conductive composition

The present invention provides a thermally conductive composition good in thermal conductivity, low in viscosity and easy in application. The thermally conductive composition is a thermally conductive composition including (a) a spherical thermally conductive filler and (b) an alkoxysilane compound or dimethylpolysiloxane, wherein the spherical thermally conductive filler of component (a) is a mixture formulated with specific ratios of fillers having different average particle sizes, the mixture being formulated with a spherical thermally conductive filler made of a nitride and having an average particle size of 50 μm or more in an amount of 30% by mass or more.. ... Momentive Performance Materials Japan Llc

Thermally conductive composition

The present invention provides a thermally conductive composition good in thermal conductivity, low in viscosity and easy in application. The thermally conductive composition is a thermally conductive composition including (a) a spherical thermally conductive filler, (b) an alkoxysilane compound or dimethylpolysiloxane, and (c) a polyorganosiloxane (not inclusive of the dimethylpolysiloxane of component (b)), wherein component (a) is a mixture formulated with specific ratios of fillers having different average particle sizes, the mixture being formulated with a filler having an average particle size of 50 μm or more in an amount of 30% by mass or more; component (b) and component (c) are included in a total amount of 1.5 to 35 parts by mass relative to 100 parts by mass of component (a); and a content ratio of component (c) in the total amount of component (b) and component (c) is 15 to 98% by mass.. ... Momentive Performance Materials Japan Llc

Resin composition for electric/electronic component

A resin composition which includes: (a) a polyorganosiloxane that contains a mercaptoalkyl group bonded to a silicon atom and has a viscosity at 23° c. Of 20 to 3,000 cp; (b) a polyorganosiloxane containing an aliphatic unsaturated group; (c) a photoreaction initiator; (d) a chemically surface-treated silica having a bet specific surface area of 50 to 250 m2/g and a ph of 5.0 to 9.0; and (e) a polyoxyalkylene glycol, and/or a derivative of the polyoxyalkylene glycol. ... Momentive Performance Materials Japan Llc

Polyorganosiloxane composition for molding, optical member, light source lens or cover, and molding method

A polyorganosiloxane composition for molding includes: (a) a straight-chain polyorganosiloxane having two or more alkenyl groups and having a viscosity (25° c.) of 10,000 to 500,000 mpa·s; (b) 30 to 80 mass % of a resinoid polyorganosiloxane including m, d, and q units, at a molar ratio of a:b:c, on average (0.3≦a≦0.6, 0≦b≦0.1, 0.4≦c≦0.7, and a+b+c=1), and having two or more alkenyl groups; (c) an amount of a polyorganohydrogensiloxane having si-bonded hydrogen atoms, an average degree of polymerization of 10 or more, a content of the si-bonded hydrogen atoms of 5.0 mmol/g or more and 11.0 mmol/g or less, and a mass decrease rate up to 140° c. By tga of 2.0 mass % or less so that an amount of the (si-bonded hydrogen atoms/alkenyl groups) is 1.0 to 3.0 mol; and (d) a hydrosilylation reaction catalyst. ... Momentive Performance Materials Japan Llc

Flame-retardant polyorganosiloxane composition, flame-retardant cured product, optical member, light source lens or cover, and molding method

This flame-retardant polyorganosiloxane includes (a) a straight-chain polyorganosiloxane having two or more alkenyl groups in one molecule and whose viscosity (25° c.) is 10,000 to 1,000,000 mpa·s; (b) 30 to 80 mass % of a resinoid polyorganosiloxane which includes q unit and has 1.5 or more alkenyl groups on average, and in which a molar ratio of alkoxy groups to alkyl groups is 0.030 or less; (c) an amount of a polyorganohydrogensiloxane, whose average degree of polymerization is 10 or more, and in which a si—h content is 5.0 mmol/g or more, in which si—h/(a total of alkenyl groups) is 1.0 to 3.0 mol; and (d) a hydrosilylation reaction catalyst. A flame-retardant polyorganosiloxane composition capable of reducing an amount of a platinum-based metal compound is provided.. ... Momentive Performance Materials Japan Llc








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