Organic Si-free Reactant Is An Alcohol Or Alcoholate Patents (Class 528/29)
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Patent number: 7803894Abstract: Described are coating compositions for treating substrates such as hard and soft surfaces to render the surfaces oil and water repellent, as well as stain and dirt resistant. The compositions described include three component systems in an organic solvent, where the components include a hydrolyzable perfluoropolyetherisocyanate derived silane, and to non-fluorinated components such as alkoxy silanes, one optionally containing a reactive functional group.Type: GrantFiled: December 5, 2003Date of Patent: September 28, 2010Assignee: 3M Innovatie Properties CompanyInventors: Rudolf J. Dams, Steven J. Martin
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Publication number: 20100227140Abstract: Silicone resins containing disilyloxane units, a silicone composition containing a silicone resin, and a coated sub-state comprising a cured product or an oxidized product of a silicone resin.Type: ApplicationFiled: June 13, 2007Publication date: September 9, 2010Inventor: Bizhong Zhu
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Patent number: 7785766Abstract: A photo-curable resin composition comprising a silphenylene-bearing polymer having a Mw of 3,000-500,000 can be processed to form patterned films having a widely varying thickness from submicron to more than 20 ?m. The cured films have good adhesion to substrates, heat resistance, electrical insulation and chemical resistance.Type: GrantFiled: January 30, 2008Date of Patent: August 31, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hideto Kato, Satoshi Asai
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Patent number: 7763699Abstract: The object of the present invention is to provide a method for producing an organic polymer having a terminal trimethoxy silyl group. In the method, the exchange reaction into a methoxy group can proceed within a short time even with a small amount of a catalyst, and viscosity increase caused by a side reaction during the methoxy exchange reaction can be reduced. Obtained polymer has an excellent stability, and viscosity increase during the storage of the polymer after the exchange into a trimethoxysilyl group can be reduced.Type: GrantFiled: March 31, 2008Date of Patent: July 27, 2010Assignee: Kaneka CorporationInventor: Hidetoshi Odaka
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Patent number: 7759435Abstract: The present invention relates to novel adducts useful for improving the toughness and curable compositions using such toughening adducts. In a particular aspect, the present invention relates to novel toughening adducts and thermosetting resin formulations having improved fracture toughness using those toughening adducts.Type: GrantFiled: September 26, 2006Date of Patent: July 20, 2010Assignees: Loctite (R&D) Limited, Henkel AG & Co. KGaAInventors: Barry N. Burns, Ray P. Tully, Jonathan P. Wigham, Martin J. Fitzpatrick, Rainer Schoenfeld, Ciaran B. McArdle, Mark Loane
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Patent number: 7759402Abstract: The object of the present invention is to provide antifoams which have a good antifoam effect in aqueous dispersions of polymeric organic substances, cause no wetting defects when these dispersions are applied to a surface and at the same time retain their antifoam activity even after prolonged storage at temperatures down to the freezing point.Type: GrantFiled: August 30, 2007Date of Patent: July 20, 2010Assignee: Evonik Goldschmidt GmbHInventors: Joachim Venzmer, Sascha Herrwerth, Sandra Maslek, Christian Mund, Peter Schwab
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Patent number: 7732055Abstract: The present invention relates to two-component compositions containing A) hydroxyl-containing polydimethylsiloxanes having number average molecular weights of 400 to 3000 and an average OH functionality of ?1.8, and containing at least one structural unit of formula I) wherein R is an aliphatic, linear or branched C1 to C20 radical, R1 is a linear or branched hydroxyalkyl radical having 2 to 10 carbon atoms and R2 is either hydrogen or a linear or branched hydroxyalkyl radical having 2 to 10 carbon atoms, B) polyhydroxyl compounds other than A) or polyamines, and C) polyisocyanates. The present invention also relates to coatings, adhesives or sealants obtained from these compositions.Type: GrantFiled: August 30, 2006Date of Patent: June 8, 2010Assignee: Bayer MaterialScience AGInventors: Meike Niesten, Jörg Tillack
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Patent number: 7732552Abstract: A process for producing a low VOC epoxy silane oligomer which includes the reaction of an epoxy silane with water in a water to silane molar ratio of from 0.1 to 1.5, in which the epoxy silane is the reaction product of an epoxy alkoxy-substituted silane and a diol or a dicarboxylic acid.Type: GrantFiled: January 27, 2006Date of Patent: June 8, 2010Assignee: Momentive Performance Materials Inc.Inventors: Alain Lejeune, Yves Gentil
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Patent number: 7732554Abstract: The present invention relates to a process for the production of silylated polyurethane resins free of unreacted residual isocyanate possessing consistent viscosity and stability and products therefrom.Type: GrantFiled: September 21, 2006Date of Patent: June 8, 2010Assignee: Momentive Performance Materials Inc.Inventors: Brendon J. O'Keefe, Holger J. Glatzer, Misty W. Huang, Christine Lacroix
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Publication number: 20100137546Abstract: A process for producing a soluble silicone product is provided. The process includes the steps of chemically reacting a polydialkoxysiloxane with an aliphatic alcohol with or without a catalyst in a reaction mixture, removing produced alcohol from the mixture; recovering the water soluble portion of produced silicone product, purifying the water soluble portion; and recovering hydrophilic material in the water insoluble portion.Type: ApplicationFiled: February 5, 2010Publication date: June 3, 2010Inventor: LEONARD WILLIAM LURIA
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Patent number: 7728065Abstract: To provide a material for forming an exposure light-blocking film which includes at least one of a silicon compound expressed by the following structural formula (1) and a silicon compound expressed by the following structural formula (2), wherein at least one of R1 and R2 is replaced by a substituent capable of absorbing exposure light.Type: GrantFiled: June 30, 2006Date of Patent: June 1, 2010Assignee: Fujitsu LimitedInventors: Shirou Ozaki, Yoshihiro Nakata
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Patent number: 7723420Abstract: An oligomer having the formula: Ar1 and Ar2 are each an aromatic group or a bisphenol residue. At least one of Ar1 and Ar2 is the aromatic group. The value of m is zero or one, and n is a positive integer. A polymer made by reacting the above oligomer with a crosslinker having at least two silyl hydrogen atoms. A method of: reacting a compound having the formula: with vinyl(dimethylchloro)silane to form the above oligomer. T is —OH, —Br, or —I.Type: GrantFiled: July 25, 2008Date of Patent: May 25, 2010Assignee: The United States of America as represented by the Secretary of the NavyInventors: Matthew Laskoski, Teddy M Keller
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Publication number: 20100120938Abstract: The invention provides an actinically-crosslinkable linear polysiloxane copolymer. The actinically-crosslinkable polysiloxane copolymer can be used to prepare a silicone hydrogel contact lens having a hydrophilic surface without post-curing surface treatment. The invention is also related to a silicone hydrogel contact lens obtained from a lens-forming material including an actinically-crosslinkable polysiloxane copolymer of the invention and to a method for making an actinically-crosslinkable polysiloxane copolymer of the invention. In addition, the invention provides a non-crosslinkable linear polysiloxane copolymer capable of being used as a internal wetting agent which can render the surface of a silicone hydrogel contact lens hydrophilic.Type: ApplicationFiled: November 11, 2009Publication date: May 13, 2010Inventors: John Christopher Phelan, Yongxing Qiu, Robert Scott, Lynn Cook Winterton
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Patent number: 7705087Abstract: The present invention relates to polyurethane/ureas wherein the polyurethane/ureas contain 0.5 to 6% by weight, based on the weight of the polyurethane/ureas, of alkoxysilane groups (calculated as Si, MW 28), which have been incorporated by the reaction of isocyanate groups with a dihydroxy compound containing urea and alkoxysilane groups, and wherein the polyurethane/ureas optionally contain hydrophilic groups and are optionally dispersed in an aqueous medium. The present invention also relates to a process for preparing these polyurethane/urea and to their use for preparing coatings.Type: GrantFiled: May 18, 2005Date of Patent: April 27, 2010Assignee: Bayer MaterialScience LLCInventors: Richard R. Roesler, Lyubov K. Gindin
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Publication number: 20100093951Abstract: A polymer containing: a constitutional unit A that is derived from fluorosilsesquioxane having one addition polymerizable functional group in a molecule; a constitutional unit B that is derived from organopolysiloxane having an addition polymerizable functional group; and a constitutional unit C that is derived from an addition polymerizable functional monomer containing a group having active hydrogen, and optionally containing a constitutional unit D that is derived from an addition polymerizable monomer other than the fluorosilsesquioxane having one addition polymerizable functional group in a molecule, the organopolysiloxane having an addition polymerizable functional group and the addition polymerizable monomer containing a group having active hydrogen.Type: ApplicationFiled: December 17, 2007Publication date: April 15, 2010Inventors: Hisao Oikawa, Koji Ohguma, Kenya Ito, Mikio Yamahiro
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Patent number: 7695818Abstract: Pressure sensitive adhesives and methods, wherein the adhesives include a silicone tackifying resin and a polydiorganosiloxane polyurea copolymer. The tack of these adhesives is improved by the use of a processing aid, such as a plasticizer.Type: GrantFiled: August 10, 2005Date of Patent: April 13, 2010Assignee: 3M Innovative Properties CompanyInventors: Audrey A. Sherman, Kurt C. Melancon, Anthony M. Kremer
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Patent number: 7696264Abstract: Processes for preparing silicon-containing polytrimethylene homo- or copolyethers, wherein at least a portion of the polymer end groups are silicon-containing end groups, are provided.Type: GrantFiled: September 30, 2009Date of Patent: April 13, 2010Assignee: E. I. du Pont de Nemours and CompanyInventor: Howard C. Ng
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Patent number: 7687592Abstract: A process for producing a soluble silicone product is provided. The process includes the steps of chemically reacting a polydialkoxysiloxane with an aliphatic alcohol with or without a catalyst in a reaction mixture, removing produced alcohol from the mixture; recovering the water soluble portion of produced silicone product, purifying the water soluble portion; and recovering hydrophilic material in the water insoluble portion.Type: GrantFiled: October 4, 2006Date of Patent: March 30, 2010Assignee: One Unlimited, Inc.Inventors: Fred Runnels, Walter Dandliker, Leonard William Luria
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Publication number: 20100076170Abstract: A targeted molecular weight of an organopolysiloxane is obtained in a two stage hydrolysis by hydrolyzing a chlorosilane with from 0.002 to 0.6 mol of water in a first step in the presence of alcohol, in which the pressure and/or temperature are adjusted such that following further hydrolysis in a second step, the targeted molecular weight is obtained.Type: ApplicationFiled: January 22, 2008Publication date: March 25, 2010Applicant: WACKER CHEMIE AGInventor: Gerhard Staiger
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Patent number: 7678864Abstract: A silylated polycarbonate comprises silylated carbonate units, where the silylated carbonate units can be derived from a silylated dihydroxy aromatic compound of the formula (1a): wherein Ga and Gb are each independently C1-12 alkyl, —OSi(C1-12 alkyl)3, C1-12 arylalkyl, or —OSi(C1-12 arylalkyl)3; Za and Zb are each independently a straight or branched C2-18 alkylene, a C8-18 arylalkylene, or a C8-18 alkylarylene, Xa is a direct bond, a heteroatom-containing group, or a C1-18 organic group, and r and s are each independently 1 or 2. A method of forming the silylated dihydroxy aromatic compound, and for forming the silylated polycarbonate, are disclosed. Also disclosed is a thermoplastic composition comprising the silylated polycarbonate, and an article comprising the thermoplastic composition.Type: GrantFiled: December 22, 2006Date of Patent: March 16, 2010Assignee: SABIC Innovative Plastics IP B.V.Inventors: Jan Pleun Lens, Tilak Thulasi Raj, Subarna Shyamroy, Radhakrishna Arakali Srinivasarao, Scindia Dattu Subash
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Patent number: 7674840Abstract: Isocyanate-free foamable mixtures suitable for filling construction voids and for other uses, comprise isocyanate-free, alkoxysilane-terminated prepolymers (A) which have a silane end group of the formula [1], where X and Y are each an oxygen atom, an N—R3 group or a sulfur atom, R1 is an alkyl, cycloalkyl, alkenyl or aryl radical having 1-10 carbon atoms, R2 is an alkyl radical having 1-2 carbon atoms or an ?-oxyalkylalkyl radical having a total of 2-10 carbon atoms, R3 is a hydrogen atom, an alkyl, alkenyl or aryl radical having 1-10 carbon atoms or a —CH2—SiR1z(OR2)3-z group, and z is 0 or 1, with the proviso that at least one of the two groups X and Y is an NH function, and (B) blowing agents.Type: GrantFiled: January 24, 2002Date of Patent: March 9, 2010Assignee: Wacker Chemie AGInventors: Volker Stanjek, Wolfram Schindler, Bernd Pachaly, Andreas Bauer
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Publication number: 20100043938Abstract: This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated silicon containing compound to produce a polymer which is terminated with halogenated silicon moieties, wherein the halogenated silicon contain compound has at least four halogen atoms which are bonded directly to silicon atoms, wherein the ratio of the lithium terminated rubbery polymer to halogen atoms in the halogenated silicon containing compound is within the range of 2:n to (n-1):n, wherein n represents the number of halogen atoms that are bonded directly to silicon atoms in the halogenated silicon containing compound, wherein the halogenated silicon containing compound contains at least three halogen atoms which are bonded directly to a silicon atom; (b) reacting the polymer which is terminated with halogenated silicon moieties with a molar excess of a tertiary alcohol to produce a polymer which is terminated with hydroxy silyl moieties; aType: ApplicationFiled: November 3, 2009Publication date: February 25, 2010Applicant: THE GOODYEAR TIRE & RUBBER COMPANYInventors: Adel Farhan Halasa, Wen-Liang Hsu, Chad Aaron Jasiunas
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Patent number: 7662876Abstract: Flame retarded resin compositions comprise at least one resin selected from the group consisting of polycarbonate, polyester and mixtures thereof, and a flame retarding effective amount of at least one nonhalogenated arylalkylsilyl flame retardant, the flame retarded resin composition being substantially free of haloorganic flame retardant and phosphate flame retardant.Type: GrantFiled: December 15, 2004Date of Patent: February 16, 2010Assignee: Supresta LLCInventors: Johst Hermann Burk, Sergei Vladimirovich Levchik, Vladmir Petrovich Prokopovich, Elena Alekseevna Murashko, Irena Arkadeyvna Klimovzova
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Patent number: 7655744Abstract: The invention provides a branched polyglycerol-modified silicone, silicon atoms of which are connected to at least one branched polyglycerol chain having one or more branched glycerol groups represented by the following formula (1) via a connecting group, a method for producing the same, and a cosmetic containing the same: wherein, two oxygen atoms each independently bind to a glycerol or glycidol group represented by formula (1) above or the following formula (2), (3), or (4)Type: GrantFiled: September 27, 2004Date of Patent: February 2, 2010Assignee: KAO CorporationInventor: Seiichi Miyanaga
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Publication number: 20100022693Abstract: An oligomer having the formula: Ar1 and Ar2 are each an aromatic group or a bisphenol residue. At least one of Ar1 and Ar2 is the aromatic group. The value of m is zero or one, and n is a positive integer. A polymer made by reacting the above oligomer with a crosslinker having at least two silyl hydrogen atoms. A method of: reacting a compound having the formula: with vinyl(dimethylchloro)silane to form the above oligomer. T is —OH, —Br, or —I.Type: ApplicationFiled: July 25, 2008Publication date: January 28, 2010Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Matthew Laskoski, Teddy M. Keller
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Patent number: 7652115Abstract: Described are compositions containing fluorinated polyether isocyanate derived silane compounds for treating substrates such as hard surfaces, e.g. ceramic and/or glass, to render them oil and water repellent, and stain resistant, articles having coatings comprising such compounds, and methods for applying such coatings.Type: GrantFiled: September 8, 2003Date of Patent: January 26, 2010Assignee: 3M Innovative Properties CompanyInventors: Rudolf J. Dams, Steven J. Martin, Richard M. Flynn
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Publication number: 20100012882Abstract: Silyl terminated polyalkylene glycol lubricants for devices that provide cooling or refrigeration, refrigerant compositions including silyl terminated polyalkylene glycol lubricants, and methods for making the same. The lubricant is compatible with hydrofluorocarbon refrigerants such as hydrofluoroolefins (“HFO”), R-134(a), R-152(a), and carbon dioxide.Type: ApplicationFiled: April 9, 2009Publication date: January 21, 2010Inventors: John W. Sherman, Oscar D. Redwine, Myrna Serrano, Adam M. Johns
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Publication number: 20100016488Abstract: Process for producing an organosiloxane polymer and novel organosiloxane polymer compositions. The process according to the invention comprises hydrolyzing tetraalkoxysilane monomers in a hydrolysis step; and polymerising said hydrolyzed monomers in a polymerization step by subjecting them to conditions conducive to polymerisation to form an organosiloxane polymer. The hydrolysis step is conducted in a reaction medium comprising an organic compound with hydroxy groups. The invention allows for the synthesis of siloxane polymer compositions suitable for thin-film applications using a high content of tetra- and trifunctional silixane polymer precursors.Type: ApplicationFiled: February 26, 2008Publication date: January 21, 2010Applicant: Braggone OyInventor: Ari Karkkainen
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Patent number: 7645360Abstract: Defoamer compositions of high effectiveness containing at least one siloxane-based antifoam and polysiloxane copolymers obtained by coupling a polysiloxane bearing active-hydrogen-containing hydrophilic polymer moieties by means of a di- or polyisocyanate.Type: GrantFiled: May 24, 2006Date of Patent: January 12, 2010Assignee: Wacker Chemie AGInventors: Willibald Burger, Christian Herzig, Josef Wimmer
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Process for preparation of SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers
Patent number: 7645848Abstract: The invention therefore relates to a process for preparation of SiOC-linked, linear (AB)d polydimethylsiloxane-polyoxyalkylene block copolymers of the general formula [(R2SiO)x(CnH2nO)y]d, in which R are monovalent C1-C18, preferably C1-C4, hydrocarbon radicals, n is a number from 2 to 4, preferably 2 or 3, x ?5, y ?10, d ?3, via reaction of aminosiloxanes having primary amino groups with polyoxyalkylenediols, which comprises concomitant use of one or more tertiary amines as catalyst.Type: GrantFiled: August 21, 2006Date of Patent: January 12, 2010Assignee: Goldschmidt GmbHInventors: Wilfried Knott, Ruediger Landers, Dagmar Windbiel -
Patent number: 7635743Abstract: The invention relates to a composition based on alkoxysilane-functional polyurethane prepolymers suitable for a reactive hot-melt adhesive which is stable to storage at a high temperature but cures very rapidly under the action of moisture from the atmosphere or from the materials glued to one another and which is suitable for joining the most diverse materials. The invention also relates to the process for gluing the most diverse substrates using the reactive hot-melt adhesive according to the invention.Type: GrantFiled: December 13, 2005Date of Patent: December 22, 2009Assignee: Bayer MaterialScience AGInventors: Matthias Wintermantel, Walter Meckel, Michael Ludewig
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Patent number: 7632910Abstract: The present invention relates to a polysiloxane of the general formula (I) having at least one epoxidic radical and at least one quaternary nitrogen atom and also a textile auxiliary which comprises at least one polysiloxane according to the present invention. The polysiloxane is capable of crosslinking with or on the fiber.Type: GrantFiled: April 4, 2003Date of Patent: December 15, 2009Assignee: CHT R. Beitlich GmbHInventors: Peter Will, Matthias Koch, Friedhelm Nickel
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Patent number: 7629396Abstract: A silicon-containing polytrimethylene homo- or copolyether wherein at least a portion of the polymer end groups are silicon-containing end groups having the formula: —OSi(X)(Y)(Z), where X and Y are groups that are easily displaceable from silicon by reaction with water and/or alcohols, and Z is selected from the group consisting of (a) C1-C20 linear or branched alkyl groups, (b) cycloaliphatic groups, (c) aromatic groups, each of (a), (b) and (c) being optionally substituted with a member selected from the group consisting of O, N, P and S, (d) hydrogen, and (e) groups that are easily displaceable from silicon by water and/or alcohol.Type: GrantFiled: March 27, 2008Date of Patent: December 8, 2009Assignee: E.I. du Pont de Nemours and CompanyInventor: Howard C. Ng
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Patent number: 7625991Abstract: A resin that may be used, for example, in dental impression materials, and a method of making the resin. The resin comprises an alkoxy-siloxane polyester or polyether carboxylate backbone functionalized with at least two cycloolefin groups capable of undergoing a metathesis reaction. The method of making the resin comprises reacting a hydride terminated siloxane with a polyether or polyester diol containing propylene oxide and ethylene oxide fragments, and a cycloolefinic group functionalized hydroxyalkyl carboxylic acid ester, in the presence of a Group 3 or 13 catalyst.Type: GrantFiled: February 21, 2007Date of Patent: December 1, 2009Assignee: Kerr CorporationInventors: Christos Angeletakis, Matthias Stender
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Patent number: 7625978Abstract: The present invention provides curable hot melt compositions including reactive polymers, which are reinforced by organic polymers to impart higher tensile strength and elongation to the compositions upon cure. In particular, the present invention provides curable hot melt compositions including a silicone urea based polymer and a reinforcement polymer. In some embodiments, the compositions cure upon exposure to moisture and/or radiation. The compositions may be used, for example, as sealants or adhesives.Type: GrantFiled: October 27, 2006Date of Patent: December 1, 2009Assignee: Henkel CorporationInventors: Thomas Fay-Oy Lim, David P. Dworak, Mathias E. Liistro, Jr., Hsien-Kun Chu
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Patent number: 7612159Abstract: The invention relates to a process for working up polyethersiloxanes, wherein said polyethersiloxanes are treated with H2O2 and are separated from volatile components by separation methods known per se.Type: GrantFiled: December 18, 2003Date of Patent: November 3, 2009Assignee: Goldschmidt AGInventors: George Burkhart, Horst Dudzik, Wolfgang Hiersche, Wilfried Knott, Volker Möhring
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Publication number: 20090264553Abstract: Silicone hydrogel contact lenses having ophthalmically acceptable surface wettabilities are obtained from pre-extracted polymerized silicone hydrogel contact lens products having relatively large amounts of removable or extractable materials. The silicone hydrogel contact lenses can be obtained from non-polar resin based contact lens molds and without surface treatments or an interpenetrating polymeric network of a polymeric wetting agent. Related lens products, polymerizable compositions, and methods are also described.Type: ApplicationFiled: July 1, 2009Publication date: October 22, 2009Applicant: COOPERVISION INTERNATIONAL HOLDING COMPANY, L.P.Inventors: Charlie Chen, Ye Hong, Nick Manesis
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Patent number: 7605394Abstract: Dielectric compositions comprising siloxane and polymeric components, as can be used in a range of transistor and related device configurations.Type: GrantFiled: December 22, 2005Date of Patent: October 20, 2009Assignee: Northwestern UniversityInventors: Tobin J. Marks, Antonio Facchetti, Myung-Han Yoon, He Yan
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Patent number: 7605219Abstract: An asymmetric siloxane is made by reacting a silicone having the formula MHDxM?H where MH is R1R2HSiO1/2, M?H is R4R5HSiO1/2 and x is an integer 0?x?10 under selective hydrosilylation conditions in the presence of a precious metal hydrosilylation catalyst, with a first olefinic compound and in a second step, a monohydridosiloxane produced in the first step is reacted under hydrosilylating conditions with another olefinic compound different from the first olefinic compound.Type: GrantFiled: May 28, 2007Date of Patent: October 20, 2009Assignee: Momentive Performance MaterialsInventors: David D Farris, Chauncey J Rinard, Mark D Leatherman
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Publication number: 20090234450Abstract: An intraocular lens with a hydrophilic polymer coating composition and methods for using same are provided. Specifically, a composition suitable for reducing tackiness in intraocular lens is provided wherein an acrylic intraocular lens is treated by vapor deposition with an alkoxy silyl terminated polyethylene glycol polymer composition. Methods for making an intraocular lens with a hydrophilic polymer coating are also provided.Type: ApplicationFiled: May 22, 2009Publication date: September 17, 2009Applicant: ABBOTT MEDICAL OPTICS INC.Inventors: Michael D. Lowery, Laurent Hoffmann
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Patent number: 7582717Abstract: Crosslinkable compositions based on organosilicon compounds contain at least one compound of the formula H(OCH2CH2)n(OCHCH3CH2)p(OCH2CH2)mOH??(III) and/or a reaction product thereof with hydrolyzable organosilicon compound(s), where n is 0 or an integer from 1 to 30, m is 0 or an integer from 1 to 30, and the sum of n and m is greater than 5, and p is 1, 2, or 3. The compositions have superior application properties as compared to similar compositions without compound III.Type: GrantFiled: December 15, 2006Date of Patent: September 1, 2009Assignee: Wacker Chemie AGInventors: Peter Schoeley, Herbert Soellradl, Marko Prasse
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Publication number: 20090215976Abstract: Some embodiments in accordance with the present invention relate to norbornene-type polymers and to photosensitive dielectric resin compositions formed therefrom. Other embodiments relate to films formed from such compositions and to devices, such as electrical, electronic and optoelectronic devices, that encompass such films.Type: ApplicationFiled: April 27, 2009Publication date: August 27, 2009Inventors: Dino Amoroso, Brian Bedwell, Andrew Bell, Edmund Elce, Rajesh Raja Puthenkovilakom, Ramakrishna Ravikiran, Robert Shick, Xiaoming Wu, Hiroaki Makabe, Yasunori Takahashi, Daoji Gan, Etsu Takeuchi, Seok Ho Kang
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Patent number: 7576170Abstract: Cyclic siloxanes that contain releasable active ingredients are described. The active ingredient can be an alcohol or enolizable carbonyl-containing compound such as a ketone, aldehyde, or ester. The product siloxanes are useful in a variety of personal and household care products where slow or controlled release of active ingredient is desired. A preferred embodiment utilizes substituents that when released as active ingredients are fragrant.Type: GrantFiled: December 19, 2003Date of Patent: August 18, 2009Assignee: Momentive Performance MaterialsInventors: Robert J. Perry, Mark D. Leatherman, Shahid Murtuza
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Patent number: 7576142Abstract: The object of the present invention is to provide a polyorganosiloxane that has a specific structure and is superior to curability and a curable composition which is high in workability during curing, which leads to a cured product excellent in ultraviolet-ray transparency and heat resistance, and further wherein toughness thereof and occurrence of a crack by cyclic heat-cool are improved. The present polyorganosiloxane is one obtained by conducting hydrolysis and condensation of a silicon-containing organic compound represented by the general formula (1) below in the presence of an organic polyol compound having two or more hydroxyl groups and has an oxetanyl group.Type: GrantFiled: August 2, 2005Date of Patent: August 18, 2009Assignee: Toagosei Co., Ltd.Inventors: Kunikazu Tauchi, Hiroshi Suzuki
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Publication number: 20090171014Abstract: Methods of forming blocked-mercapto alkoxy-modified silsesquioxanes are provided. The blocked-mercapto alkoxy-modified silsesquioxane compounds contain an alkoxysilane group that participates in an alkoxysilane-silica reaction as a silica dispersing agent in rubber, with the release of zero to about 0.1% by weight of the rubber as alcohol (a volatile organic compound (VOC)), during compounding and further processing. The blocked-mercapto alkoxy-modified silsesquioxane compounds also contain a blocked mercapto group which, when de-blocked, allows the mercapto group to interact with the polymer(s) in a rubber composition. Further described are rubber compounds containing the blocked-mercapto alkoxy-modified silsesquioxanes.Type: ApplicationFiled: December 29, 2008Publication date: July 2, 2009Inventors: William L. Hergenrother, Chenchy Jeffrey Lin, James H. Pawlow, Terrence E. Hogan
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Publication number: 20090143499Abstract: The invention provide a new class of silicone-containing prepolymers containing poly(oxyalkylene) blocks, polysiloxane blocks, and actinically-crosslinkable groups which are acryl groups, thiol groups, ene-containing groups or combinations thereof. A preopolymr of the invention is prepared in a one-pot procedure according to the Micahel addition of thiol to electron deficient alkenes, such as ?,?-unsaturated carbonyl compounds, without need for additional reaction step(s) to introduce actinically crosslinkable groups. The present invention is also related to silicone hydrogel contact lenses made from this class of silicone-containing prepolymers and to methods for making the silicone hydrogel contact lenses.Type: ApplicationFiled: November 20, 2008Publication date: June 4, 2009Inventors: Frank Chang, Guigui Wang
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Patent number: 7534820Abstract: The present invention provides a novel photocurable composition containing an organic polymer having an epoxy group and/or oxetane group-containing silicon group at an end and a cationic photoinitiator. For example, the photocurable composition contains an organic polymer (A) having an epoxy group and/or oxetane group-containing silicon group at an end, and a cationic photoinitiator (B), the organic polymer (A) being produced by addition reaction between an organic polymer terminated with an unsaturated group and a hydrosilane compound having an epoxy group and/or an oxetane group.Type: GrantFiled: March 13, 2006Date of Patent: May 19, 2009Assignee: Kaneka CorporationInventors: Yoshiyuki Kohno, Hiroshi Ando
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Patent number: 7534850Abstract: A silyl group-containing polymer which can be cured quickly and strongly, and from which a cured product excellent in antifouling properties and weather resistance while maintaining favorable rubber elasticity can be obtained, and having the following formula (1): wherein R1: a group having a hydroxyl group(s) removed from a monohydroxy or polyhydroxy compound having t hydroxyl group(s) in its molecule, R2: a bivalent organic group, R3: a C1-20 monovalent organic group which may have a substituent, X: a hydroxyl group or a hydrolysable group, Y: a bivalent group of the following formula (A) or (B), “a”: an integer of from 1 to 3, r: an integer of from 1 to 1,000, and t: an integer of from 1 to 8, provided that when the silyl group-containing polymer of formula (1) has a plurality of Y's in its molecule, the plurality of Y's may be the same or different, and when t is from 2 to 8, a plurality of monovalent groups bonded to R1 may be the same or different: in the formula (A), R4: a C2-8 alkylene group,Type: GrantFiled: April 7, 2008Date of Patent: May 19, 2009Assignee: Asahi Glass Company, LimitedInventors: Yuuji Kimura, Hideaki Tanaka, Genichirou Enna
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Patent number: 7524915Abstract: A process is provided for making a moisture-curable silylated resin composition by reacting (i) at least one polyol, (ii) at least one polyisocyanate and (iii) at least one isocyanatosilane, optionally in the presence of catalyst, wherein the NCO/OH ratio is less than 1. The resulting moisture-curable silylated resin composition is useful in the manufacturer of each product as moisture-curable sealants, coatings and adhesives.Type: GrantFiled: October 27, 2005Date of Patent: April 28, 2009Assignee: Momentive Performance Materials Inc.Inventors: Misty Huang, Frank D. Medicino, Yurun Yang, Jeries I. Nesheiwat, Brendan J. O'Keefe
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Patent number: 7524919Abstract: A polycarbonate copolymer comprising 90 to 100 mol % of units derived from a cyclohexylidene bisphenol of the formula wherein Ra? and Rb? are each independently C1-12 alkyl, T is a C5-16 cycloalkylene, a C5-16 cylcloalkylidene, a C1-5 alkylene, a C1-5 alkylidene, a C6-13 arylene, a C7-12 arylalkylene, C7-12 arylalkylidene, a C7-12 alkylarylene, or a C7-12 arylenealkyl, and r and s are each independently 1 to 4; 2 to 35 wt % of units derived from a polysiloxane diol of the formulas or a combination thereof, wherein Ar is a substituted or unsubstituted C6-36 arylene group, each R is the same or different C1-13 monovalent organic group, each R6 is the same or different divalent C1-C30 organic group, and E is an integer from 2 to 100; and 0 to 10 mol % of units derived from a dihydroxy aromatic compound of formula (3) wherein Ra and Rb are each independently halogen, p and q are each independently integers of 0 to 4, and the dihydroxy aromatic compound of formula (3) is not the same as the cyclohexyType: GrantFiled: September 29, 2006Date of Patent: April 28, 2009Assignee: SABIC Innovative Plastics IP B.V.Inventors: James Franklin Hoover, Jan-Pleun Lens, Brian Mullen