MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC Patent applications |
Patent application number | Title | Published |
20150337189 | CURABLE POLYORGANOSILOXANE COMPOSITION - The present invention provides a material that is cured to efficiently reflect light in the violet and/or ultraviolet wavelength range emitted by optical elements such as LEDs. The present invention relates to a curable polyorganosiloxane composition which contains (A) an alkenyl group-containing polyorganosiloxane having at least two alkenyl groups, each bonded to a silicon atom, per molecule; (B) a polyorganohydrogensiloxane having more than two hydrogen atoms, each bonded to a silicon atom, per molecule; (C) a polyorganosiloxane represented by formula (II): | 11-26-2015 |
20150337188 | TWO-PACK CURABLE POLYORGANOSILOXANE COMPOSITION AND USE THEREOF - The invention provides a two-pack curable polyorganosiloxane composition having an excellent rapid curing property, and methods for producing an adhered article using the compositions. The two-pack curable polyorganosiloxane composition consisting of a first component and a second component, the composition comprising: (A) an alkenyl group-containing polyorganosiloxane that contains two or more alkenyl groups in the molecule; (B) a polyorganohydrogensiloxane that has two or more hydrogen atoms bonded to a silicon atom in the molecule; and (C) a platinum group catalyst, wherein the ratio of the number of the hydrogen atoms bonded to silicon atoms in (B), H | 11-26-2015 |
20150299398 | HEAT CURABLE ADDITION-REACTIVE TYPE SILICONE RUBBER COMPOSITION - The present invention provides a heat curable addition-reactive type silicone rubber composition which gives a molded article having excellent antistatic property, heat resistance, compression set property. A heat curable addition-reactive type silicone rubber composition includes: | 10-22-2015 |
20150270460 | SILICONE COMPOSITION FOR SEALING SEMICONDUCTOR - The silicone composition for sealing a semiconductor, comprises: (A) 100 parts of a polyorganosiloxane having one or more alkenyl groups, obtained by reacting (a1) 60 to 99 parts of an organosiloxane containing at least a trifunctional siloxane unit not taking part in a hydrosilylation reaction, with (a2) 40 to 1 parts of an organosiloxane containing a bifunctional siloxane unit having an alkenyl group and/or a monofunctional siloxane unit having an alkenyl group; (B) an amount of a polyorganohydrogensiloxane having two or more hydrogen atoms having a viscosity at 25° C. of 1 to 1000 mPa·s so that an amount of the hydrogen atoms is 0.5 to 3.0 mol per mol of the alkenyl groups; and (C) a platinum-based catalysts, wherein a decrease in storage modulus of a cured product thereof from 25° C. to 50° C. is 40% or more. | 09-24-2015 |
20150267021 | COMPOSITION FOR SILICONE RUBBER FOAM, MANUFACTURING METHOD OF SILICONE RUBBER FOAM, AND SILICONE RUBBER FOAM - There are provided a composition for silicone rubber foam, a manufacturing method of a silicone rubber foam, and a silicone rubber foam in which it is possible to control the foaming states. The composition for silicone rubber foam contains: (A) 100 parts by mass of polyorganosiloxane having a degree of polymerization of 4,000 to 10,000 and having two or more alkenyl groups at a content of 0.001 mmol/g or more and less than 0.3 mmol/g; an amount of polyorganohydrogensiloxane having an average of two or more Si-atom-bonded hydrogen atoms so that a molar ratio of the hydrogen atoms to the alkenyl groups in the (A) component is 0.001 to 5; 0.1 to 10 parts by mass of an organic foaming agent with a decomposition temperature of 50 to 250° C.; 5 to 200 parts by mass of silica powder; and a catalyst amount of a platinum-based metal catalyst activated with ultraviolet rays. | 09-24-2015 |
20150240057 | ROOM-TEMPERATURE-CURABLE POLYORGANOSILOXANE COMPOSITION - There is provided a room-temperature-curable polyorganosiloxane composition that provides a cured product having little decrease in hardness at high temperature and high humidity, and is excellent in adhesiveness to various base materials. The composition is a two-part room-temperature-curable polyorganosiloxane composition including a main agent composition (A) and a curing agent composition (B). The main agent composition (A) contains, at a predetermined ratio, (c) polyorganosiloxane having a resin structure represented by an average unit formula: (R | 08-27-2015 |
20150232666 | IMAGE DISPLAY SEALANT DAM COMPOSITION AND IMAGE DISPLAY HAVING THE SAME - An image display sealant dam composition including (A) a polyorganosiloxane having a mercaptoalkyl group bonded to a silicon atom; (B) an aliphatic unsaturated group-containing polyorganosiloxane including an aliphatic unsaturated group-containing linear polyorganosiloxane (B1) and optionally including a branched polyorganosiloxane (B2) having SiO | 08-20-2015 |
20150218427 | IMAGE DISPLAY SEALANT DAM COMPOSITION AND IMAGE DISPLAY HAVING THE SAME - An image display sealant dam composition including (A) a polyorganosiloxane having a mercaptoalkyl bonded to a silicon; (B) an aliphatic unsaturated group-containing polyorganosiloxane including an aliphatic unsaturated group-containing linear polyorganosiloxane (B1), and a branched polyorganosiloxane (B2) having SiO | 08-06-2015 |
20150141586 | PHENYL-CONTAINING FUNCTIONAL POLYSILOXANES AND POLYCARBONATE-POLYSILOXANE COPOLYMERS MADE THEREFROM - The invention is directed to phenyl-containing functional polysiloxanes and polycarbonate-polysiloxane copolymer compositions made therefrom having improved optical clarity and better low temperature impact resistance. | 05-21-2015 |
20150140346 | ROOM-TEMPERATURE-CURABLE POLYORGANOSILOXANE COMPOSITION AND ELECTRIC/ELECTRONIC APPARATUS - This room-temperature-curable polyorganosiloxane composition contains: (A) 100 parts by mass of polyorganosiloxane consisting of: (A1) 10 to 80 parts by mass of a both ends alkoxysilyl group-terminated polyorganosiloxane and (A2) 90 to 20 parts by mass of a partial hydrolysis condensate (the number of Si atoms is 10 to 200) of a silane compound expressed by a general formula: R | 05-21-2015 |
20150045487 | METHOD OF PREPARING A CURABLE POLYORGANOSILOXANE COMPOSITION - A method of preparing a curable polyorganosiloxane composition including kneading a uniform mixture of an alkenyl group-containing polyorganosiloxane, a polyorganohydrogensiloxane, and a platinum group metal compound, and defoaming the kneaded mixture under reduced pressure, the alkenyl group-containing polyorganosiloxane includes a linear polyorganosiloxane of the formula (I): | 02-12-2015 |
20150045466 | EXPANDABLE POLYURETHANE COMPOSITION AND MANUFACTURING METHOD OF FLEXIBLE POLYURETHANE FOAM - An expandable polyurethane composition includes (A) polyisocyanate, (B) active hydrogen containing compound including (B1) polyol and (B2) water, a catalyst, and (C) one or more plasticizers selected from the group consisting of a monoester compound, a diester compound, a triester compound, and a tetraester compound by 0.5 to 20 parts by mass relative to 100 parts by mass of the (B1) polyol. A flexible polyurethane foam can be obtained of which wet set is improved and feeling is good. | 02-12-2015 |
20150038604 | EXPANDABLE POLYURETHANE COMPOSITION AND MANUFACTURING METHOD OF FLEXIBLE POLYURETHANE FOAM - An expandable polyurethane composition includes (A) polyisocyanate, (B) active hydrogen containing compound including (B1) polyol and (B2) water, catalysts, and (C) cross-linking agent composition. The (C) cross-linking agent composition includes at least one kind of (C1) cross-linking agent selected from (CA) ethoxylate derivative having MW of 2000 or less and (CB) ester compound having MW of 2500 or less, and (C2) non-protic polar solvent, and a mass ratio ((a+b)/c) of a sum of content a of the (CA) ethoxylate derivative and content b of the (CB) ester compound relative to content c of the (C2) non-protic polar solvent is 1/10 to 10/1. A flexible polyurethane foam can be obtained of which wet set is improved and feeling is good. | 02-05-2015 |
20140275363 | HEAT-CURABLE SILICONE RUBBER COMPOSITION - The present invention provides a heat-curable silicone rubber composition having antistatic properties, even after secondary vulcanization at high temperatures. Specifically disclosed is a heat-curable silicone rubber composition which is obtained by adding 0.05 to 1000 ppm of (B) a poorly water-soluble or water-insoluble ionic substance whose anionic component is bis(trifluoromethanesulfonyl)imide, to 100 parts by weight of (A) a heat-curable silicone rubber. | 09-18-2014 |
20140179870 | HEAT CURABLE SILICONE RUBBER COMPOSITION - There is provided a silicone rubber composition whose compression set in a higher temperature range, particularly at 200° C. or higher, in a silicone rubber to be obtained is sufficiently suppressed. A heat curable silicone rubber composition contains: (A) 100 parts by mass of a polyorganosiloxane having an average degree of polymerization of 500 to 20,000 and having two or more alkenyl groups in a molecule; (B) 5 to 100 parts by mass of a filler; (C) an effective amount of an organic peroxide; and (D) 0.06 to 15 parts by mass of a hydrous cerium oxide and/or a hydrous zirconium oxide each having one absorption band in 3300 to 3500 cm | 06-26-2014 |
20140134410 | PRODUCT HAVING TRACEABILITY DISPLAYED THEREON AND METHOD FOR DISPLAYING TRACEABILITY OF PRODUCT - A PG-coated product is produced by: producing a body by using PBN; providing a traceability display made of purified graphite in an arbitrary section of the body surface; and covering the body surface including the traceability display with a PG film. By setting the thickness of the PG film to 100 μm or less, preferably 80 μm or less, it is possible to provide transparency sufficient for reading the product serial number displayed on the body surface. Thus, this is a suitable way of displaying traceability. Because graphite does not adversely affect the physical properties of PBN and PG, the functions and durability intrinsic to the product are not impaired, even when the traceability display, which is formed by using graphite, is placed between the body surface made of PBN and the PG film. | 05-15-2014 |
20140088232 | SILICONE COMPOSITION FOR SEALING SEMICONDUCTOR - The silicone composition for sealing a semiconductor, comprises: (A) 100 parts of a polyorganosiloxane having one or more alkenyl groups, obtained by reacting (a1) 60 to 99 parts of an organosiloxane containing at least a trifunctional siloxane unit not taking part in a hydrosilylation reaction, with (a2) 40 to 1 parts of an organosiloxane containing a bifunctional siloxane unit having an alkenyl group and/or a monofunctional siloxane unit having an alkenyl group; (B) an amount of a polyorganohydrogensiloxane having two or more hydrogen atoms having a viscosity at 25° C. of 1 to 1000 mPa·s so that an amount of the hydrogen atoms is 0.5 to 3.0 mol per mol of the alkenyl groups; and (C) a platinum-based catalyst, wherein a decrease in storage modulus of a cured product thereof from 25° C. to 50° C. is 40% or more. | 03-27-2014 |
20140024730 | COMPOSITION FOR SILICONE RUBBER FOAM, MANUFACTURING METHOD OF SILICONE RUBBER FOAM, AND SILICONE RUBBER FOAM - There are provided a composition for silicone rubber foam, a manufacturing method of a silicone rubber foam, and a silicone rubber foam in which it is possible to control the foaming states. The composition for silicone rubber foam contains: (A) 100 parts by mass of polyorganosiloxane having a degree of polymerization of 4,000 to 10,000 and having two or more alkenyl groups at a content of 0.001 mmol/g or more and less than 0.3 mmol/g; an amount of polyorganohydrogensiloxane having an average of two or more Si-atom-bonded hydrogen atoms so that a molar ratio of the hydrogen atoms to the alkenyl groups in the (A) component is 0.001 to 5; 0.1 to 10 parts by mass of an organic foaming agent with a decomposition temperature of 50 to 250° C.; 5 to 200 parts by mass of silica powder; and a catalyst amount of a platinum-based metal catalyst activated with ultraviolet rays. | 01-23-2014 |
20130310295 | AQUEOUS HAIR CLEANSING AGENT - The aqueous hair cleansing agent of the present invention comprises the following components (A) to (C):
| 11-21-2013 |
20130065999 | CURABLE POLYORGANOSILOXANE COMPOSITION - This is to provide a curable polyorganosiloxane composition which gives a cured product excellent in cold resistance. This relates to a curable polyorganosiloxane composition which comprises (A) an alkenyl group-containing polyorganosiloxane comprising (A1) a linear polyorganosiloxane represented by the formula (1) (wherein Rs independently represent R | 03-14-2013 |
20130065983 | ULTRAVIOLET-CURABLE SILICONE RESIN COMPOSITION, AND IMAGE DISPLAY DEVICE USING THE SAME - An ultraviolet-curable silicone resin composition including (A) a polyorganosiloxane having a mercaptoalkyl bonded to a silicon atom and having a viscosity at 23° C. of 20 to 25000 cP; (B) an organopolysiloxane having aliphatic unsaturated groups which includes (B1) a linear polyorganosiloxane having aliphatic unsaturated, and (B2) a branched organopolysiloxane which includes an SiO | 03-14-2013 |
20120306363 | SILICONE COMPOSITION FOR SEALING LIGHT EMITTING ELEMENT, AND LIGHT EMITTING DEVICE - One embodiment is related to a silicone composition for sealing a light emitting element, the composition comprising: (A) a vinyl group-containing organopolysiloxane having a three-dimensional network structure; (B) an organohydrogenpolysiloxane which has at least two hydrogen atoms, each hydrogen atom being bonded to a silicon atom per molecule; and (C) a hydrosilylation catalyst. | 12-06-2012 |
20120276037 | HAIR COSMETIC - A hair cosmetic contains (A) a side chain amino-modified organopolysiloxane having long chain alkyl at both ends at 0.01 to 15 weight %, (B) one type or two or more types of cationic surfactant selected from tertiary amine compounds at 0.1 to 15 weight %, (C) a higher alcohol having 12 to 28 carbon atoms and one hydroxy group at 0.1 to 20 weight %, (D) a polydimethylsiloxane at 0.01 to 15 weight %, and (E) water, the side chain amino-modified organopolysiloxane having long chain alkyl at both ends having a nitrogen atom content of 0.31 to 2 weight %. | 11-01-2012 |
20120029151 | CURABLE POLYORGANOSILOXANE COMPOSITION - A curable polyorganosiloxane composition which has an (A) alkenyl group-containing polyorganosiloxane, a (B) polyalkylhydrogensiloxane and (C) a platinum group metal compound. The (A) alkenyl group-containing polyorganosiloxane which includes (A1) branched polyorganosiloxane comprising an SiO | 02-02-2012 |