Patents Assigned to Momentive Performance Materials
  • Catalytic process for the preparation of thiocarboxylate silane
    Patent number: 9206203
    Abstract: The invention is directed to a process for the preparation of thiocarboxylate silane comprising reacting an aqueous solution of a salt of a thiocarboxylic acid with a haloalkyl silane in the presence of a solid inorganic oxide-supported phase transfer catalyst. The invention is also directed to a process for the preparation of an aqueous solution of a salt of a thiocarboxylic acid which comprises reacting an aqueous solution of a sulfide and/or hydrosulfide with an acid halide in the presence of a said solid catalyst.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: December 8, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Tiberiu Ladislau Simandan, Ilaria Vecchi, Holger Jurgen Glatzer
  • RELEASE MODIFIER COMPOSTION
    Publication number: 20150344740
    Abstract: There is described a release composition including a polyorganosiloxane polymer and a release modifier. The release modifier includes comprising an alkenyl silsesquioxane an organo functional siloxane of the formula MDxM, wherein M represents R3SiO1/2, D represents R2SiO2/2, wherein R is alkyl or alkenyl of 1 to 40 carbon atoms, or hydrogen wherein the organo functional siloxane has a viscosity of from about 5 centipoises to about 80 centipoises and x is from about 5 to about 80, and an optionally a reactive diluent. The release composition includes at least one siloxane cross-linking agent, an inhibitor; and a hydrosilation catalyst.
    Type: Application
    Filed: May 27, 2014
    Publication date: December 3, 2015
    Applicant: Momentive Performance Materials Inc.
    Inventors: Roy Melvin Griswold, Melania Lapinski
  • Silicon-containing zwitterionic linear copolymer composition
    Patent number: 9200119
    Abstract: A silicon-containing copolymer which includes zwitterionic linking groups with the general structures —N+(Y?)(Z)— or —N(Z*)— and repeating groups which can be divalent silicone moieties, divalent hydrocarbons or divalent polyethers. The copolymer can be used in personal care products, fertilizers and other agricultural products, pesticides, antifouling agents, and various waterborne coating formulations.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 1, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Monjit Phukan, Anubhav Saxena, Ravikumar Kodagahally, Mark Leatherman
  • Silylated polyurethane/polyorganosiloxane blend and sealant composition and fumed silica composition containing same
    Patent number: 9200160
    Abstract: There is provided herein a composition comprising: (A) a silanol and/orhydrocarbon-terminated polyorganosiloxane in an amount of from about 30 weight percent to about 90 weight percent; and, (B) a moisture curable silylated polyurethane resin in an amount of from about 10 weight percent to about 70 weight percent. There is also provided herein in another embodiment a two part sealant composition wherein the first part comprises: (A) a silanol and/or hydrocarbon-terminated polyorganosiloxane in an amount of from about 15 weight percent to about 60 weight percent, (B) a moisture curable silylated polyurethane resin in an amount of from about 2 weight percent to about 32 weight percent, and (C) a filler, said weight percents being based on the weight of the first part.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: December 1, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Indumathi Ramakrishnan, Shayne Joseph Landon, David A. Williams, Anantharaman Dhanabalan
  • TWO-PACK CURABLE POLYORGANOSILOXANE COMPOSITION AND USE THEREOF
    Publication number: 20150337188
    Abstract: 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), HB, to the number of the alkenyl groups in (A), ViA, is 0.5 to 10.0; the content of (C) is 0.5 to 2000 ppm in terms of a platinum group metal; the first component comprises (A) and (C); and the second component comprises (B).
    Type: Application
    Filed: June 21, 2013
    Publication date: November 26, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventors: Makoto SAKAKIBARA, Kazuhisa ONO, Shigeki MATSUSHITA, Koji OKAWA
  • CURABLE POLYORGANOSILOXANE COMPOSITION
    Publication number: 20150337189
    Abstract: 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.
    Type: Application
    Filed: December 25, 2013
    Publication date: November 26, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventors: Masanori TAKANASHI, Tatsuru IWABUCHI
  • Continuous process for the preparation of thiocarboxylate silane
    Patent number: 9193742
    Abstract: The invention is directed to a process for the preparation of thiocarboxylate silane comprising reacting an aqueous solution of a salt of a thiocarboxylic acid with a haloalkylalkoxysilane in the presence of a solid supported catalyst. The invention is also directed to a process for the preparation of an aqueous solution of a salt of a thiocarboxylic acid which comprises reacting an aqueous solution of a sulfide and/or hydrosulfide with a carboxylic acid halide and/or acid anhydride.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: November 24, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Tiberiu Ladislau Simandan, Andrea Trotto, Ilaria Vecchi, Ottavio Ursitti
  • STABILIZATION OF POLYACRYLAMIDE EMULSION FORMULATIONS
    Publication number: 20150329763
    Abstract: The current invention provides a method to form a stable blend of polyacrylamide water-in-oil emulsion and breaker surfactants such as silicon polyether copolymer and linear or branched alcohol ethoxylate surfactants. The composition can be employed, for example, as a friction reducing additive for water based fracturing fluid, or a drilling mud additive.
    Type: Application
    Filed: May 16, 2014
    Publication date: November 19, 2015
    Applicant: Momentive Performance Materials Inc.
    Inventors: Mukesh Kumar, Kalman KOCZO, John TERRACINA
  • Process For The Preparation of Plastic Composite Molded Bodies
    Publication number: 20150298375
    Abstract: Process for the preparation of plastic composite molded bodies in which hard-soft molded bodies made of low-melting thermoplastics and light curable polyorganosiloxane compositions are prepared as well as products produced by this process.
    Type: Application
    Filed: June 11, 2013
    Publication date: October 22, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS GMBH
    Inventors: Oliver Franssen, Clemens Trumm
  • HEAT CURABLE ADDITION-REACTIVE TYPE SILICONE RUBBER COMPOSITION
    Publication number: 20150299398
    Abstract: 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: (A) a mixture containing a heat curable addition-reactive silicone rubber and a curing agent, (B) an ionic liquid in an amount of 30 to 3000 ppm relative to 100 parts by mass of the component (A), wherein the curing agent is not included in the 100 parts by mass, (C) a heterocyclic compound containing nitrogen atoms in an amount of 30 to 3000 ppm relative to 100 parts by mass of the component (A), wherein the curing agent is not included in the 100 parts by mass.
    Type: Application
    Filed: November 1, 2013
    Publication date: October 22, 2015
    Applicant: Momentive Performance Materials Japan LLC
    Inventors: Hiroyoshi IIJIMA, Hideo TAKAHASHI, Hidefumi TAGAI
  • Hydrosilylation-curable silicone rubber composition
    Patent number: 9164197
    Abstract: A silicone rubber composition having a good transparency and hardness is made of a hydrosilylation-curable silicone rubber composition containing (A) 100 parts by mass of an organopolysiloxane, (B) a silicone resin, (C) an organohydrogenpolysiloxane, (D) a rare earth salt of a carboxylic acid represented by general formula (I): (RCOO)nM (I) (in the formula, R denotes a monovalent hydrocarbon group having 4 to 10 carbon atoms, n denotes a number between 3 and 4, and M denotes a rare earth element selected from among cerium (Ce), lanthanum (La), neodymium (Nd), praseodymium (Pr), samarium (Sm) and the like), and (E) a hydrosilylation reaction catalyst.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: October 20, 2015
    Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventor: Hideo Takahashi
  • Moisture curable compositions with enhanced elongation and tear strength properties
    Patent number: 9156981
    Abstract: Moisture-curable compositions are provided which comprises a moisture-curable silylated resin, a flexibilizer and at least one curing catalyst. The cured compositions possess enhanced elongation and tear properties, and are highly suitable for applications such as adhesives, sealants, coatings, gaskets, industrial rubber goods, and the like.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: October 13, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Thomas Fay-Oy Lim, Vikram Kumar, Martin Wusik
  • SILICONE COMPOSITION FOR SEALING SEMICONDUCTOR
    Publication number: 20150270460
    Abstract: 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.
    Type: Application
    Filed: June 4, 2015
    Publication date: September 24, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventors: Kikuo MOCHIZUKI, Akira TAKAGI
  • COMPOSITION FOR SILICONE RUBBER FOAM, MANUFACTURING METHOD OF SILICONE RUBBER FOAM, AND SILICONE RUBBER FOAM
    Publication number: 20150267021
    Abstract: 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.
    Type: Application
    Filed: June 4, 2015
    Publication date: September 24, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventor: Masanari SHIMAKAWA
  • ROOM-TEMPERATURE-CURABLE POLYORGANOSILOXANE COMPOSITION
    Publication number: 20150240057
    Abstract: 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: (R13SiO1/2)p[Si(OH)xO(4?x)/2]q. The curing agent composition (B) contains (e) a trifunctional or tetrafunctional silane compound or a partial hydrolysis condensate thereof and (f) an amino group-containing silicon compound.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 27, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventors: Prakash KUMAR, Isao IIDA
  • Light trapping photovoltaic cells
    Patent number: 9118272
    Abstract: A light trapping photovoltaic cell comprising a plurality of cells connected with walls wherein the cells have a plurality of generally straight vertical walls and a bottom region adjacent the generally vertical walls. The bottom region of the cells is pitched toward the center of the bottoms. The light trapping cells provide a structure that allows for improved absorption of incident light. Optionally, a light trapping photovoltaic cell may further comprise a hydrophobic protective layer such as, for example, may be provided by a plurality of nano-sized bumps on the surfaces of the cell walls. Additionally, the cells may exhibit other properties including, for example, deicing, anti-fouling, and self-cleaning.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: August 25, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventor: Wen P. Liao
  • IMAGE DISPLAY SEALANT DAM COMPOSITION AND IMAGE DISPLAY HAVING THE SAME
    Publication number: 20150232666
    Abstract: 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 SiO4/2 units, R?3SiO1/2 units and R?2SiO2/2 units, and optionally further having. R?SiO3/2 units, at least three R? groups per molecule of the branched polyorganosiloxane (B2) are aliphatic unsaturated groups; (C) a photoreaction initiator; (D) an aliphatic unsaturated group-containing silane compound; and (E) a fumed silica having a BET specific surface area of 180 to 500 m2/g.
    Type: Application
    Filed: March 28, 2014
    Publication date: August 20, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventors: Kazuhisa Ono, Koji Okawa
  • Process for reducing the level of choride in chlorosilane direct process hydrolyzed substrate
    Patent number: 9108991
    Abstract: The present invention relates to a process for providing a low-chloride hydrolyzate comprising contacting an acid or base hydrolyzed substrate of a chlorosilane direct process residue with nitric acid to provide a hydrolyzate with a chloride content of less than about 1.8% by weight. The process of present invention is especially useful in cement kilns and smelter operation.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: August 18, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Susan A Nye, David S Schlitzer
  • IMAGE DISPLAY SEALANT DAM COMPOSITION AND IMAGE DISPLAY HAVING THE SAME
    Publication number: 20150218427
    Abstract: 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 SiO4/2 units, R?3SiO1/2 units and R?2SiO2/2 units, and optionally having R?SiO3/2 units, at least three R? groups per molecule of the branched polyorganosiloxane (B2) are aliphatic unsaturated groups, the proportion of the number of the aliphatic unsaturated groups in (B2) to the total number of the aliphatic unsaturated groups in (B) is more than 50% and not more than 95%; (C) a photoreaction initiator; (D) a silane compound; and (E) an MQ resin having a weight average molecular weight of 2,000 to 2,500,000 and/or an MDQ resin having a weight average molecular weight of 2,000 to 1,000,000.
    Type: Application
    Filed: March 28, 2014
    Publication date: August 6, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC
    Inventors: Kazuhisa Ono, Koji Okawa
  • Process For The Manufacture Of A Multilayer Silicone Structure
    Publication number: 20150200317
    Abstract: The present invention is directed to a process for the manufacture of a multilayer silicone structure of cured silicone elastomer layers wherein the compositions of each of the curable silicone elastomers are chosen such as to provide excellent layer-to-layer adhesion of the said cured silicone elastomer layers, that is, the layers do not suffer form cohesive failure. The multilayer silicone structures may be used for example for the manufacture of electronic devices, coatings, shaped molded articles, laminates etc.
    Type: Application
    Filed: August 2, 2013
    Publication date: July 16, 2015
    Applicant: MOMENTIVE PERFORMANCE MATERIALS GMBH
    Inventors: Oliver Kretschmann, Markus Putzer, Cristian De Santis, Andrea Ruppenthal, Carsten Koopmanns