Patents Assigned to Momentive Performance Materials
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Patent number: 11655263Abstract: There is provided herein a method and an apparatus for producing an isocyanatoorganosilane which method includes feeding a carbamatoorganosilane to a cracking device where it is thermally dissociated into a reaction product mixture comprising isocyanatoorganosilane, alcohol, and heavies, followed by separating the mixture in a distillation column of two parts and collecting the isocyanatoorganosilane from the distillation column via a side stream having a predetermined location between the top and bottom parts of the column; and wherein the distillation column is configured to have a ratio of the length of the bottom part of the distillation column to the length of the top part of the distillation column which is effective to provide a side stream having a high purity and high weight percent of isocyanatoorganosilane.Type: GrantFiled: July 2, 2019Date of Patent: May 23, 2023Assignee: Momentive Performance Materials IncInventors: Venkata Sunil Jagani, Srinivas Komati, Vivek Khare
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Patent number: 11655368Abstract: A condensation curable silicone adhesive composition comprising a condensation curable organopolysiloxane, siloxane-imide crosslinker, a condensation catalyst and an additive is shown and described herein. The composition is curable at relatively room temperatures and shows good heat stability.Type: GrantFiled: December 23, 2020Date of Patent: May 23, 2023Assignee: Momentive Performance Materials Inc.Inventors: Subrata Mandal, Tetsuo Fujimoto, Vinodh Rajendra, Debanga B. Konwar, Clarissa Miller, Kaka Dey
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Publication number: 20230106817Abstract: Rubber compositions comprising at least one diene based polymer, a precipitated silica, a coupling agent package comprising a mercapto-functional alkylalkoxysilane and a blocked mercapto-functional alkylalkoxysilane, a deblocking agent, a vulcanizing package comprising at least one vulcanizing agent comprising sulfur and at least one accelerator, and a scorch modifier are provided herein.Type: ApplicationFiled: October 6, 2022Publication date: April 6, 2023Applicant: Momentive Performance Materials Inc.Inventors: Christopher PAPPAS, Richard W. CRUSE, Eric Raymond POHL, Aaron RYBA, Michael YORK
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Publication number: 20230068114Abstract: A curable composition contains (A) a perfluoro(poly)ether group-containing silane compound having two or more Si atoms bonded to at least one group selected from the group consisting of a hydroxyl group and a hydrolyzable group, (B) a compound (other than (A)) having at least two OR2 groups bonded to an Si atom (in the formula, R2 each independently are a hydrogen atom or a monovalent organic group at each occurrence) or a partial hydrolysis condensate thereof, (C) a condensation catalyst, and (D) surface-treated silica.Type: ApplicationFiled: December 10, 2020Publication date: March 2, 2023Applicants: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC, DAIKIN INDUSTRIES, LTD.Inventors: Isao IIDA, Kazuhisa ONO, Tetsuo FUJIMOTO, Kazuki MARUHASHI, Hisashi MITSUHASHI
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Publication number: 20230068054Abstract: A curable composition includes a perfluoro(poly)ether group-containing silane compound represented by the general formula (I) (wherein, definitions of each group are as described in the specification); (b) an organic silicon compound having at least two OR2 groups bonded to Si atom (here, R2s are each independently a hydrogen atom or a monovalent organic group at each appearance) or a partially hydrolyzed condensate thereof; and (c) a condensation catalyst.Type: ApplicationFiled: December 10, 2020Publication date: March 2, 2023Applicants: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC, DAIKIN INDUSTRIES, LTD.Inventors: Isao IIDA, Kazuhisa ONO, Tetsuo FUJIMOTO, Kazuki MARUHASHI, Hisashi MITSUHASHI
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Publication number: 20230068751Abstract: A curable composition includes: (A) a perfluoro(poly)ether group-containing silane compound having two or more Si atoms bonded to at least one group selected from the group consisting of a hydroxyl group and hydrolyzable groups; (B) a compound having at least two OR2 groups (in the formula, R2 is independently a hydrogen atom or a monovalent organic group at each occurrence) bonded to an Si atom (provided that (A) and (D) are excluded) or a partially hydrolyzed condensate thereof; (C) a condensation catalyst; and (D) a compound containing two or more alkoxysilyl groups in one molecule or a partially hydrolyzed condensate thereof (provided that (A) is excluded), with the linking group between the alkoxysilyl groups being a group other than that selected from the group consisting of an —O— group and a group having a siloxane bond.Type: ApplicationFiled: December 10, 2020Publication date: March 2, 2023Applicants: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC, DAIKIN INDUSTRIES, LTD.Inventors: Isao IIDA, Kazuhisa ONO, Tetsuo FUJIMOTO, Kazuki MARUHASHI, Hisashi MITSUHASHI
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Publication number: 20230059791Abstract: A moisture-curable curable composition includes a perfluoro(poly)ether group-containing silane compound (a1) represented by formula (I); a perfluoro(poly)ether group-containing silane compound (a2) represented by formula (II) (in each formula, the definition of each group is as defined in the specification); (b) an organic silicon compound having at least two OR2 groups (here, R2s are each independently a hydrogen atom or a monovalent organic group at each appearance) bonded to Si atom or a partially hydrolyzed condensate thereof; and (c) a condensation catalyst.Type: ApplicationFiled: December 10, 2020Publication date: February 23, 2023Applicants: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC, DAIKIN INDUSTRIES, LTD.Inventors: Isao IIDA, Kazuhisa ONO, Tetsuo FUJIMOTO, Kazuki MARUHASHI, Hisashi MITSUHASHI
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Publication number: 20230055125Abstract: A curable composition contains (A) a perfluoro(poly)ether group-containing silane compound having two or more Si atoms bonded to at least one group selected from the group consisting of a hydroxyl group and a hydrolyzable group, (B) a compound (other than (A)) having at least two OR2 groups bonded to an Si atom (in the formula, R2 each independently are a hydrogen atom or a monovalent organic group at each occurrence) or a partial hydrolysis condensate thereof, (C) a condensation catalyst, and (D) an inorganic filler with a primary particle size from 0.01 to 0.1 ?m.Type: ApplicationFiled: December 10, 2020Publication date: February 23, 2023Applicants: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC, DAIKIN INDUSTRIES, LTD.Inventors: Isao IIDA, Kazuhisa ONO, Tetsuo FUJIMOTO, Kazuki MARUHASHI, Hisashi MITSUHASHI
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Patent number: 11542369Abstract: The present invention relates to aspartic acid ester-functional polysiloxanes, their use in the manufacture of curable compositions using polyisocyanate crosslinkers, in particular, in the manufacture of coating compositions, cured compositions obtained from said curable compositions and articles comprising the cured compositions.Type: GrantFiled: October 16, 2019Date of Patent: January 3, 2023Assignee: Momentive Performance Materials GmbHInventors: Dmitry Chernyshov, Hubertus Eversheim
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Patent number: 11535715Abstract: A heat stable siloxane-imide copolymer and a curable silicone adhesive composition comprising such a siloxane-imide copolymer is shown and described herein. The composition includes an alkenyl silicone, a silicone hydride based cross linker, hydrosilylation catalyst and additives that is curable at relatively low temperatures and shows good heat stability.Type: GrantFiled: December 23, 2020Date of Patent: December 27, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.Inventors: Subrata Mandal, Tetsuo Fujimoto, Takeshi Sunaga, Ramasubramanian Narayanan
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Publication number: 20220403211Abstract: An addition reaction curing type polyorganosiloxane composition for bonding poly(phenylene sulfide) resins includes (A) a polyorganosiloxane containing two or more alkenyl groups in the molecule, (B) a polyorganohydrogensiloxane having, in the molecule, three or more silicon-atom-bonded hydrogen atoms, (C) a platinum-based catalyst, (D) an oxide or carbonate of a metal selected from among the metals in Groups 2 and 12 of the periodic table, and (E) an adhesion promoter, the content of the ingredient (D) being 0.1-20 wt % with respect to the whole composition.Type: ApplicationFiled: October 20, 2020Publication date: December 22, 2022Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventor: Masanori TAKANASHI
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Patent number: 11518773Abstract: The present invention relates to an integrated process for the manufacture of methylchlorohydridomonosilanes in particular, from products of the Müller-Rochow Direct Process.Type: GrantFiled: September 20, 2018Date of Patent: December 6, 2022Assignee: Momentive Performance Materials Inc.Inventors: Norbert Auner, Tobias Santowski, Alexander Sturm, Thorsten Felder, Kenrick Lewis
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Patent number: 11518110Abstract: There is provided an adhesive application apparatus capable of efficiently applying an adhesive without inhibiting curing of the adhesive. An adhesive application apparatus of the present invention includes a mounting table 10, an adhesive dosing unit 20, and an ultraviolet irradiation unit 30, and it applies a delayed-ultraviolet-curable adhesive 200 to a surface of a panel 100. The panel 100 is mounted on a mounting surface S10 of the mounting table 10. The adhesive dosing unit 20 applies the adhesive 200 to the surface of the panel 100 mounted on the mounting table 10 by discharging the adhesive 200 from an adhesive dosing port H20. The ultraviolet irradiation unit 30 irradiates the adhesive 200 dosed from the adhesive dosing port H20 with ultraviolet light L. Here, the ultraviolet irradiation unit 30 irradiates the adhesive 200 with the ultraviolet light L along the mounting surface S10 before the adhesive 200 dosed from the adhesive dosing port H20 is applied to the surface of the panel 100.Type: GrantFiled: May 12, 2021Date of Patent: December 6, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Makoto Sakakibara, Hiroyuki Ueno
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Patent number: 11472925Abstract: Provided is a polymer of the formula: and compositions comprising the same. The polymers comprise a cyclic unsaturated group (Z3) within the siloxane polymer backbone. The polymers have been found to exhibit good thermal conductivity and may find utility in a variety of applications.Type: GrantFiled: March 22, 2018Date of Patent: October 18, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.Inventors: Pranabesh Dutta, Vinu Krishnan Appukuttan, Sandeep Naik, Anubhav Saxena
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Patent number: 11466126Abstract: A condensation curable silicone adhesive composition comprising a siloxane-imide base polymer, condensation curable organopolysiloxane crosslinker, a condensation catalyst and an additive is shown and described herein. The composition is curable at relatively room temperatures and shows good heat stability.Type: GrantFiled: December 23, 2020Date of Patent: October 11, 2022Assignee: Momentive Performance Materials Inc.Inventors: Subrata Mandal, Tetsuo Fujimoto, Debanga B. Konwar
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Publication number: 20220267533Abstract: A thermally conductive polysiloxane composition includes (A) a thermally conductive filler and (B) one or more compounds selected from an alkoxysilyl group-containing compound and a dimethylpolysiloxane, wherein: component (A) includes (A-1) round, indefinite-shaped or polyhedral aluminum nitride particles having an average particle diameter of from 50 ?m to 150 ?m and (A-2) round, indefinite-shaped or polyhedral aluminum nitride particles having an average particle diameter of 10 ?m or more but less than 50 ?m in an amount of from 20% by mass to 100% by mass relative to the total amount of component (A); and the content ratio of component (A-1) to component (A-2) is from 50:50 to 95:5 on a mass basis.Type: ApplicationFiled: June 24, 2020Publication date: August 25, 2022Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Atsushi SAKAMOTO, Sean CONTE
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Publication number: 20220251418Abstract: A surface-treating agent containing (1) a fluoroalkylsilane oligomer mixture; and (2) a perfluoroalkyl group-containing silane compound. Also disclosed is an article including a substrate and a layer on a surface of the substrate, the layer being formed of the surface-treating agent.Type: ApplicationFiled: April 15, 2022Publication date: August 11, 2022Applicants: DAIKIN INDUSTRIES,LTD., MOMENTIVE PERFORMANCE MATERIALS INC.Inventors: Hisashi MITSUHASHI, Takashi NOMURA, Motoshi MATSUI, Kaori OZAWA, Hao SHEN, Antonio CHAVES, Martin WUSIK, Amy Hua MCKINSTRY
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Patent number: 11370897Abstract: The present invention relates to curable compositions comprising at least one compound of the formula (1): wherein R is C1-C10 alkyl, and R1-R10 each are independently selected from the group consisting of hydrogen and C1-C10 alkyl, with the proviso that at least one of R1-R10 is alkyl, and wherein the substitution patterns formed by the residues R1-R5 and R6-R10 on each of the aromatic rings are different from each other, cured compositions obtained from such curable compositions, mixtures of compounds of the formula (I), the use of such compounds and mixtures of such compounds as a UV stabilizer in curable compositions, and a process for the manufacture of curable compositions comprising a UV stabilizer of the formula (1).Type: GrantFiled: September 20, 2019Date of Patent: June 28, 2022Assignee: Momentive Performance Materials Inc.Inventors: Paul Furuta, Andreas Haeuseler, Gunnar Hoffmüller
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Patent number: 11370937Abstract: A surface-protective coating forming composition exhibiting excellent shelf life (storage stability) and cured coating performance is derived from alkoxysilane and a plurality of metal oxides.Type: GrantFiled: March 4, 2019Date of Patent: June 28, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.Inventors: Rajkumar Jana, Raghavendra Prasad, Karthikeyan Murugesan
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Patent number: 11359124Abstract: The present invention relates to a thermally conductive polysiloxane composition comprising: (A) a thermally conductive filler, (B) a siloxane compound having a specified structure; (C) an alkoxysilane compound having a specified structure; (D) a polyorganosiloxane containing at least one aliphatic unsaturated group per molecule; (E) a polyorganohydrogensiloxane having two or more hydrogen atoms bonded to silicon atoms per molecule; and (F) a platinum-based catalyst.Type: GrantFiled: May 31, 2018Date of Patent: June 14, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Kenji Takenaka, Atsushi Sakamoto