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.
Abstract: There is provided novel mono-acrylate functionalized siloxane monomer containing carbosiloxane linkage for improved hydrolysis resistance. This invention also provides copolymers produced using these monomers and their use in various applications.
Type:
Application
Filed:
March 21, 2011
Publication date:
September 27, 2012
Applicant:
Momentive Performance Materials Inc.
Inventors:
Anubhav Saxena, Umpathy Senthilkumar, Kenrick M. Lewis
Abstract: There is provided new mono-(meth)acrylate functionalized silicone monomers containing carbosiloxane linkage for improved hydrolysis resistance, useful in making water absorbing silicone-hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.
Type:
Application
Filed:
March 21, 2011
Publication date:
September 27, 2012
Applicant:
Momentive Performance Materials Inc.
Inventors:
Anubhav Saxena, Umapathy Senthilkumar, Kenrick M. Lewis
Abstract: The present invention provides for a composition comprising a siloxane having the formula: M1D M2 wherein M1=(R1)(R2)(R3)SiO1/2; M2=(R4)(R5)(R6)SiO1/2 and D=(R7)(Z)SiO2/2 where R1, R2, R3 R4, R5, R6 and R7 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R8—RA, R9 Rc and R10—RZ; RA being an anionic substituent, Rc a cationic substituent or Rz a zwitterionic substituent on the D group wherein the composition is resistant to hydrolysis under either basic or acidic conditions.
Type:
Grant
Filed:
December 26, 2008
Date of Patent:
September 11, 2012
Assignee:
Momentive Performance Materials Inc.
Inventors:
Mark D. Leatherman, George A. Policello, Wenging N. Peng, Liping Zheng, Roland Wagner, Suresh K. Rajaraman, Xia Zijun
Abstract: A particulate-filled rubber composition contains at least one silane-reactive particulate filler and a mixture of at least one blocked mercaptosilane coupling agent possessing two thioacyl groups and at least one blocked mercaptosilane possessing a single thioacyl group.
Abstract: This invention relates to novel sulfur-containing silane coupling agents, and organic polymers containing carbon-carbon double bonds. These novel silanes can be carried on organic and inorganic fillers. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.
Type:
Application
Filed:
April 27, 2012
Publication date:
September 6, 2012
Applicant:
Momentive Performance Materials Inc.
Inventors:
Richard W. CRUSE, W. Michael YORK, Eric R. POHL, Antonio CHAVES, Prashant JOSHI
Abstract: The invention relates to a high thermal efficiency, insulated glass unit structure sealed with a cured composition containing, inter alia, diorganopolysiloxane(s) and organic nanoclay(s), the cured composition exhibiting low permeability to gas(es).
Type:
Grant
Filed:
January 9, 2006
Date of Patent:
September 4, 2012
Assignee:
Momentive Performance Materials Inc.
Inventors:
Shayne J. Landon, David A. Williams, Vikram Kumar, Edward J. Nesakumar, Indumathi Ramakrishnan
Abstract: Disclosed herein are novel copolycarbonates containing repeating units A and B respectively of the formulae: (A)—[R1OC(?O)O]—, and (B)—[(R2O)n-C(?O)—O]—, wherein the molar ratio of units (A) to units (B) is in the range of from about 9:1 to about 1:9, and wherein R1 is a divalent C8 to C12 alicyclic group, and R2 is ethylene or propylene, and n is an integer ranging from 4 to 40. Also disclosed are silicone hardcoat compositions containing the copolycarbonates and their derivatives. Upon cure, these silicone hardcoat compositions exhibit improved flexibility as compared to that of the conventional hardcoats while at the same time maintain the abrasion resistance of conventional silicone hardcoats.
Type:
Application
Filed:
February 28, 2011
Publication date:
August 30, 2012
Applicant:
Momentive Performance Materials Inc.
Inventors:
Christoph Hilgers, Anantharaman Dhanabalan, Narayana Padmanabha Iyer, Shayne Joseph Landon
Abstract: A composition includes a non-crosslinked reaction product of an oxirane or oxetane compound (I) comprising at least two oxirane or oxetane groups; a compound (II) comprising silicon and one or more amino groups; and optionally a polyamine (III); and a secondary amine (IV).
Type:
Application
Filed:
May 7, 2012
Publication date:
August 30, 2012
Applicant:
Momentive Performance Materials Inc.
Inventors:
Kalman Koczo, Benjamin Falk, Antonio Palumbo, Monjit Phukan
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:
Application
Filed:
February 28, 2011
Publication date:
August 30, 2012
Applicant:
Momentive Performance Materials Inc.
Inventors:
Honnaiah Mallesha, Anantharaman Dhanabalan, Robert F. Hayes, Narayana Padmanabha Iyer, Marc Schaepkens
Abstract: A laminate includes a backing material coated with an adhesive composition. The adhesive composition includes a cured silylated polyurethane composition derived from polyester based polyurethane prepolymer. The silylated polyurethane composition when partially silylated is especially useful for pressure sensitive adhesives where it imparts superior adhesive and cohesive performance thereto.
Abstract: A silylated polyurethane composition containing polyester based polyurethane prepolymer. The silylated polyurethane composition when partially silylated is especially useful for pressure sensitive adhesives where it imparts superior adhesive and cohesive performance thereto.
Abstract: A coating structure including an outer coating comprising aluminum; and an interlayer disposed between a substrate and the outer coating is provided. The interlayer may include a rare earth metal, a transition metal, or a noble metal. The interlayer may have one or more property of being less responsive to halogen etching relative to the outer coating; having a coefficient of thermal expansion that is greater than the coefficient of thermal expansion of the substrate and less than the coefficient of thermal expansion of the outer coating or vice versa; having a color different from the color of the outer coating; having a electrical conductivity different from the electrical conductivity of the outer coating. A method of making is article is provided. The method may include securing an interlayer to a substrate surface, and securing an outer coating to a surface of the interlayer opposite the substrate.
Type:
Grant
Filed:
October 12, 2005
Date of Patent:
August 21, 2012
Assignee:
Momentive Performance Materials Inc.
Inventors:
Charles Dominic Iacovangelo, Victor Lienkong Lou
Abstract: Disclosed herein are manganese, iron, cobalt, or nickel complexes containing terdentate pyridine diimine ligands and their use as efficient and selective hydrosilylation catalysts.
Type:
Grant
Filed:
July 8, 2010
Date of Patent:
August 7, 2012
Assignees:
Momentive Performance Materials Inc., Cornell University
Inventors:
Johannes G. P. Delis, Susan A. Nye, Kenrick M. Lewis, Keith J. Weller, Paul J. Chirik, Aaron M. Tondreau, Sarah Kathleen Russell
Abstract: The present invention relates to a process for preparing silylated isocyanato-terminated polyurethane prepolymer which have increased stability toward atmospheric moisture, in the presence of at least one catalyst selected from the group consisting of bismuth and zinc compounds.
Abstract: The present invention relates to room-temperature curable silicone compositions possessing rapid deep-section cure. The silicone sealant compositions of the present invention find application in insulating glass units as elements of windows, skylights, doors and related products.
Type:
Grant
Filed:
March 27, 2007
Date of Patent:
July 10, 2012
Assignee:
Momentive Performance Materials Inc.
Inventors:
Indumathi Ramakrishnan, Edward Joseph Nesakumar
Abstract: A method for removing defects at high pressure and high temperature (HP/HT) or for relieving strain in a non-diamond crystal commences by providing a crystal, which contains defects, and a pressure medium. The crystal and the pressure medium are disposed in a high pressure cell and placed in a high pressure apparatus, for processing under reaction conditions of sufficiently high pressure and high temperature for a time adequate for one or more of removing defects or relieving strain in the single crystal.
Type:
Grant
Filed:
December 12, 2005
Date of Patent:
July 10, 2012
Assignee:
Momentive Performance Materials Inc.
Inventors:
Mark Philip D'Evelyn, Thomas Richard Anthony, Stephen Daley Arthur, Lionel Monty Levinson, John William Lucek, Larry Burton Rowland, Suresh Shankarappa Vagarali
Abstract: The present invention provides a moisture-curable composition containing silylated polyurethane prepolymer and silane acrylate polymer. The composition is flowable at room temperatures, and upon curing forms high modulus resins for use in adhesives, coatings and sealants for automotive and industrial applications.
Abstract: A topical composition with a sustained softness feel to the skin, comprising an effective amount of boron nitride suspended in a dermatologically acceptable carrier vehicle, wherein the composition suitably adheres to the skin, leaving a coating layer comprising boron nitride particles. The present invention also relates to a method of massaging by applying the composition of the present invention on the body part to be massaged, and massaging the part coated with the composition of the invention.
Type:
Grant
Filed:
October 31, 2006
Date of Patent:
June 26, 2012
Assignee:
Momentive Performance Materials Inc.
Inventors:
Joerg Student, Rickson Sun, Kristi Scherler, Paul Hans, Jon Leist, Gregory W. Shaffer
Abstract: Described are diol-derived organofunctional silanes in which the silanes contain cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and methods for the preparation of the silanes. Also described are rubber compositions containing the diol-derived organofunctional silanes, methods for the preparation of the rubber compositions and articles of manufacture containing the rubber compositions, in particular, automotive tires and components thereof.
Type:
Application
Filed:
February 28, 2012
Publication date:
June 21, 2012
Applicant:
Momentive Performance Materials Inc.
Inventors:
Antonio Chaves, Richard W. Cruse, Eric Raymond Pohl