Patents Assigned to Momentive Performance Materials
  • Thermally conductive plastic compositions, extrusion apparatus and methods for making thermally conductive plastics
    Patent number: 8946333
    Abstract: A thermally conductive filler composition and a resin composition comprising such filler compositions. The filler composition comprises a blend of a boron nitride, a metal oxide, and a silane. The filler composition can further comprise other filler components including, for example, glass fiber or glass flake. The filler compositions can be added to a resin composition to provide a thermally conductive resin such as, for example, a thermally conductive plastic.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 3, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Chandrashekar Raman, Bei Xiang, Anand Murugaiah
  • MOISTURE CURABLE COMPOSITIONS WITH ENHANCED ELONGATION AND TEAR STRENTGH PROPERTIES
    Publication number: 20150031806
    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: Application
    Filed: July 24, 2013
    Publication date: January 29, 2015
    Applicant: Momentive Performance Materials Inc.
    Inventors: Thomas Fay-Oy Lim, Vikram Kumar, Martin Wusik
  • Weatherable and abrasion resistant coating systems for polymeric substrates
    Patent number: 8940397
    Abstract: Disclosed herein is a primer composition comprising an inorganic UV absorbing agent and a polymer selected from (i) a copolycarbonate, and (ii) a polyurethane obtained by reaction of a polyisocyanate and a copolycarbonate diol. Also disclosed is a coated article comprising a polymeric substrate, a primer layer disposed on at least one surface of said substrate, and an abrasion-resistant layer disposed on said primer layer, where the primer layer is made from the primer composition of the invention.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: January 27, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Honnaiah Mallesha, Anantharaman Dhanabalan, Robert F. Hayes, Narayana Padmanabha Iyer, Marc Schaepkens
  • Moisture curable organopolysiloxane composition
    Patent number: 8937141
    Abstract: The present invention provides curable compositions comprising non-Sn organo-metal catalysts that accelerate the condensation curing of moisture curable silicones/non-silicones. In particular, the present invention provides Mn(III) complexes that are particularly suitable as replacements for organotin for sealant and RTV formulations. The Mn(III) complexes are comparable or superior to organotin such as DBTDL, superior to Mn(II) compounds, and exhibit certain behavior in the presence of components that allow for tuning or adjusting the cure characteristics of the present compositions and provide good adhesion and storage stability.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: January 20, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Sumi, Edward J. Nesakumar, Anantharaman Dhanabalan, Shahid Murtuza, Shayne J. Landon
  • Mixed boron nitride composition and method for making thereof
    Patent number: 8933157
    Abstract: A boron nitride composition comprising at least two different boron nitride powder materials having different properties, e.g., surface areas, particle size, tap density, etc.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: January 13, 2015
    Assignee: Momentive Performance Materials Inc.
    Inventors: Paulo Meneghetti, Chandrashekar Raman
  • Self-crosslinking silicone pressure sensitive adhesive compositions, process for making and articles made thereof
    Patent number: 8933187
    Abstract: Disclosed herein are self-crosslinking compositions containing a hydrosilation catalyst and the reaction product of a mixture comprising (i) a resinous copolymer having both silicon-bonded hydrogen and silanol groups, and (ii) one or more vinyl-functional polyorganosiloxanes. These compositions have stable post-cure adhesive properties and are suitable for use in electronic applications.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: January 13, 2015
    Assignee: Momentive Performance Material Inc.
    Inventor: Roy Melvin Griswold
  • Dehydrogenative silylation and crosslinking using cobalt catalysts
    Patent number: 8927674
    Abstract: Disclosed herein are cobalt complexes containing terdentate pyridine di-imine ligands and their use as efficient and selective dehydrogenative silylation and crosslinking catalysts.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: January 6, 2015
    Assignees: Princeton University, Momentive Performance Materials Inc.
    Inventors: Cristia Carmen Hojilla Atienza, Paul J. Chirik, Susan Nye, Kenrick M. Lewis, Keith J. Weller, Julie L. Boyer, Johannes G. P. Delis, Aroop Roy, Eric Pohl
  • Process for producing functional siloxanes of controlled structure
    Patent number: 8912290
    Abstract: Disclosed herein is a process for preparing a linear hydroxyaryloxy-functional polydiorganosiloxanes having controlled structures. The process includes the step of reacting a linear ?,?-bisacyloxypolydiorganosiloxane with at least one bisphenolic compound, or hydroxy-functional oligomer thereof, in such a molar ratio that the phenolic groups in the bisphenolic compound or the hydroxy-functional oligomer thereof to the acyloxy groups in the ?,?-bisacyloxypolydiorganosiloxane is less than 2.0. Also disclosed are hydroxyaryloxy-functional polydiorganosiloxanes produced from the process and the polysiloxane/polyorgano block copolymers made using the hydroxyaryloxy-functional siloxanes.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: December 16, 2014
    Assignee: Momentive Performance Materials GmbH
    Inventors: John M. Huggins, Hubertus Eversheim
  • Heat curable silicone rubber composition
    Patent number: 8912262
    Abstract: 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?1 and two or more absorption bands in 1300 to 1700 cm?1 in infrared absorption spectrum measurement.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: December 16, 2014
    Assignee: Momentive Performance Materials Japan LLC
    Inventor: Hideo Kondo
  • Selective non-precious metal-catalyzed mono-hydrosilylation polyunsaturated compounds
    Patent number: 8895770
    Abstract: Disclosed herein is the selective synthesis of mono-hydrosilylated derivatives of polyunsaturated compounds, such as trivinylcyclohexane using non-precious metal based pyridinediimine and terpyridine complex as selective hydrosilylation catalysts.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: November 25, 2014
    Assignees: Cornell University, Momentive Performance Materials Inc.
    Inventors: Kenrick M. Lewis, Aaron M. Tondreau, Richard W. Cruse, Keith J. Weller, Johannes G. P. Delis, Susan A. Nye, Paul J. Chirik
  • COATING COMPOSITION AND METHOD FOR DETERMINING THE UNIFORMITY AND THICKNESS OF A NO-RINSE SILANE PRETREATMENT
    Publication number: 20140342164
    Abstract: The invention is directed to a detectable and stable composition comprising an organofunctional silane and/or hydrolyzate and/or partial or complete condensate thereof, a colloidal metal oxide, a water soluble organic dye having a positive charge and a counterion derived from a carboxylic acid of from 1 to 6 carbon atoms, and water. The invention is also directed to a method for determining the uniformity and film thickness of a detectable composition applied to a substrate comprising applying to the surface of the substrate the detectable composition and measuring an optical property of the applied coating, the resulting measurement being related to the uniformity of the applied composition.
    Type: Application
    Filed: March 24, 2014
    Publication date: November 20, 2014
    Applicant: Momentive Performance Materials Inc.
    Inventor: Lesley Hwang
  • Surface protective coating and methods of use thereof
    Patent number: 8889801
    Abstract: A coating composition suitable for providing a thermoformable hardcoat is disclosed. The composition contains a silane-containing oligomer (A), a silane (B) having the general formula R3cSiX(4-d) wherein each occurrence of R3 is independently a C1-C8 alkyl, C2-C8 alkenyl or C6-C20 aryl, each occurrence of X is a halogen atom, C1-C6 alkoxy, C1-C6 acyloxy, C1-C6 alkenoxy or hydroxide; d is 0, 1 or 2, a metal oxide (C) and a condensation catalyst (D) wherein components (A), (B) and (C) are hydrolytically condensed in the presence of component (D) to achieve a T3 to T2 ratio of from about 0.3 to about 2.5.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: November 18, 2014
    Assignee: Momentive Performance Materials, Inc.
    Inventors: Wen P. Liao, Steven R. Mordhorst, Lai N. Tan
  • SATURATED AND UNSATURATED SILAHYDROCARBONS VIA IRON AND COBALT PYRIDINE DIIMINE CATALYZED OLEFIN SILYLATION
    Publication number: 20140330036
    Abstract: The present invention relates to processes for the synthesis of saturated and unsaturated silahydrocarbons using iron-containing or cobalt-containing catalysts. The processes of the invention can produce tetraalkylsilanes, phenyltrialkylsilanes, substituted phenyltrialkylsilanes and their mixtures, which are useful as lubricants and hydraulic fluids, as well as alkyl alkenylsilanes, phenyl alkenylsilanes and substituted phenyl alkenylsilanes and their mixtures, which are useful in the synthesis of saturated silahydrocarbons and other organofunctional silanes.
    Type: Application
    Filed: April 2, 2014
    Publication date: November 6, 2014
    Applicants: PRINCETON UNIVERSITY, MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Kenrick Martin Lewis, Crisita Carmen Hojilla Atienza, Julie L. Boyer, Paul J. Chirik, Johannes G.P. Delis, Aroop Kumar Roy
  • Silica glass having improved properties
    Patent number: 8877662
    Abstract: The invention relates to a silica glass compound having improved physical and chemical properties. In one embodiment, the present invention relates to a silica glass having a desirable brittleness in combination with a desirable density while still yielding a glass composition having a desired hardness and desired strength relative to other glasses. In another embodiment, the present invention relates to a silica glass composition that contains at least about 85 mole percent silicon dioxide and up to about 15 mole percent of one or more dopants selected from F, B, N, Al, Ge, one or more alkali metals (e.g., Li, Na, K, etc.), one or more alkaline earth metals (e.g., Mg, Ca, Sr, Ba, etc.), one or more transition metals (e.g., Ti, Zn, Y, Zr, Hf, etc.), one or more lanthanides (e.g., Ce, etc.), or combinations of any two or more thereof.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: November 4, 2014
    Assignee: Momentive Performance Materials, Inc.
    Inventors: Nathan J. Cassingham, Ben Matthew Gauthier, Martin Panchula, Robert Stephen Pavlik, Yan Zhou, Konstantin S. Zuyev
  • Method and apparatus for forming and filling a flexible package
    Patent number: 8875478
    Abstract: A flexible package is formed and filled in an in-line process by directing a web of film and a semi-rigid strip in a machine direction; folding the web of film into a pair of opposing walls with the semi-rigid strip there between; and selectively attaching the strip to only one of the opposing walls by controlling applied heating to opposing walls of the pair to seal one wall but not the other to the semi-rigid strip to define an opening between upper edges of the opposing walls.
    Type: Grant
    Filed: February 6, 2010
    Date of Patent: November 4, 2014
    Assignee: Momentive Performance Materials Inc.
    Inventors: Matthew Louis Fitzgerald, IV, Thomas Stemper
  • Coating composition
    Patent number: 8871857
    Abstract: A coating composition contains (A) a water-based emulsion containing (a) amino group-containing polyorganosiloxane having a self crosslinking property, (b) chlorinated polyolefin, and (c) a water dispersible polyurethane resin, and (B) spherical particles made up of a rubbery elastic body mixed and dispersed in the water-based emulsion (A). The water-based emulsion (A) can be obtained by mixing a first emulsion containing the amino group-containing polyorganosiloxane (a), a second emulsion containing the chlorinated polyolefin (b), and the water dispersion of the polyurethane resin (c). The coating composition can form a coating film excellent in preservation stability, coating uniformity, working life, having good non-tackness, water repellancy, lubricity, and excellent in adhesiveness and abrasion resistance.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: October 28, 2014
    Assignee: Momentive Performance Materials Japan LLC
    Inventors: Masanori Kimura, Toshio Yamato
  • Composition for silicone rubber foam, manufacturing method of silicone rubber foam, and silicone rubber foam
    Patent number: 8865784
    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: Grant
    Filed: September 25, 2013
    Date of Patent: October 21, 2014
    Assignee: Momentive Performance Materials Japan LLC
    Inventor: Masanari Shimakawa
  • Moisture curable silylated polymer compositions with improved adhesion to concrete
    Patent number: 8859674
    Abstract: A moisture-curable resin composition comprising (a) at least one moisture-curable polymer having at least one hydrolysable silyl group; (b) at least one hydrocarbylalkoxysilane; and (c) at least one silane adhesion promoter containing a glycidoxy group. The composition may also contain additives including a catalyst for catalyzing the reaction between the moisture-curable polymer having at least one hydrolysable silyl group (a) with water under curing conditions, a filler, a plasticizer, and combinations thereof. The moisture-curable resin composition is useful in the production of adhesives, sealants and coatings for use in primerless concrete applications.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: October 14, 2014
    Assignee: Momentive Performance Materials Inc.
    Inventors: Misty Huang, Jeries Nesheiwat
  • CATALYTIC PROCESS FOR THE PREPARATION OF THIOCARBOXYLATE SILANE
    Publication number: 20140296553
    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: Application
    Filed: March 26, 2014
    Publication date: October 2, 2014
    Applicant: Momentive Performance Materials Inc.
    Inventors: Tiberiu Ladislau SIMANDAN, Ilaria VECCHI, Holger Jurgen GLATZER
  • Sulfur-containing cycloaliphatic compound, filled sulfur-vulcanizable elastomer composition containing sulfur-containing cycloaliphatic compound and articles fabricated therefrom
    Patent number: 8846170
    Abstract: A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-CaH2a—S[C(?O)]bR]n wherein G is selected from the group consisting of: saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen, and saturated monocyclic silicone [RSiO—]n[R2SiO—]p group of valence n; wherein each R independently is a hydrogen or monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 0 or 1; p is an integer of from 0 to 3; and, n is an integer of from 3 to 6, with the provisos that when b is 0, R is a hydrogen atom, and when G is a non-halogenated, saturated monocyclic aliphatic group of 6 carbon atoms, n cannot be 3.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: September 30, 2014
    Assignee: Momentive Performance Materials Inc.
    Inventors: Richard W Cruse, William Michael York, Carla Recker, Thomas Kramer, Katharina Herzog