Patents Assigned to Dow Corning Toray Co., Ltd.
  • Publication number: 20130065993
    Abstract: The invention provides a process for improving the fire resistance of a thermoplastic or thermoset organic polymer composition, characterised in that an alkoxysilane containing at least one organic nitrogen-containing group and an alkoxysilane or silicone resin containing at least one group selected from phosphonate and phosphinate groups are added to a thermoplastic or thermosetting organic polymer composition and heated in the presence of moisture to cause hydrolysis and siloxane condensation of the alkoxysilane or alkoxysilanes. The alkoxysilanes, or alkoxysilane(s) and silicone resin, of the invention are particularly effective in increasing the fire resistance of polycarbonates and blends of polycarbonate with other resins such as polycarbonate/ABS blends.
    Type: Application
    Filed: May 16, 2011
    Publication date: March 14, 2013
    Applicants: DOW CORNING CORPORATION, DOW CORNING (SHANGHAI) CO., LTD., DOW CORNING TORAY CO., LTD.
    Inventors: Michael Backer, Pierre Chevalier, Zhihua Liu, Ana Marques, Satoshi Onodera, Vincent Rerat, Motoshi Sasaki
  • Publication number: 20130046028
    Abstract: A cosmetic raw material comprising the following components (A), (B), and (C): (A) a specific polyether-modified organopolysiloxane; (B) a chain-form silicone oil that is a liquid at 25° C., does not contain a cyclic structure, and does not contain a resinous structure; and (C) an oil that is a liquid at 30° C. and that characteristically (c1) has at least one hydroxyl group in each molecule, (c2) has from 0 to 3, as the number of moles of addition, oxyethylene units in each molecule, (c3) has an HLB value in the range from 0.1 to 6.0, and (c4) has an average molecular weight in the range from 200 to 7000.
    Type: Application
    Filed: April 28, 2011
    Publication date: February 21, 2013
    Applicants: DOW CORNING TORAY CO., LTD., DOW CORNING CORPORATION
    Inventors: Brian P. Deeth, Haruhiko Furukawa, Tatsuo Souda, Seiki Tamura
  • Patent number: 8373286
    Abstract: A curable organopolysiloxane composition and an optical semiconductor element sealant, each comprising (A) a diorganopolysiloxane that has at least 2 alkenyl groups wherein at least 70 mole % of all the siloxane units are methylphenylsiloxane units and the total content of 1,3,5-trimethyl-1,3,5-triphenylcyclotrisiloxane and 1,3,5,7-tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxane is no more than 5 weight %, (B) an organopolysiloxane that has at least 2 silicon-bonded hydrogen atoms wherein at least 15 mole % of the silicon-bonded organic groups are phenyl groups, and (C) a hydrosilylation reaction catalyst. An optical semiconductor device in which an optical semiconductor element within a housing is sealed with the cured product from the aforementioned composition.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: February 12, 2013
    Assignee: Dow Corning Toray Co., Ltd.
    Inventors: Makoto Yoshitake, Hiroji Enami, Tomoko Kato, Masayoshi Terada
  • Patent number: 8349928
    Abstract: A metal particle dispersion structure characteristically comprising (B) 0.005 to 100 weight parts of metal nanoparticles dispersed in (A) 100 weight parts of polymerized polymer, wherein the metal nanoparticles are metal particles obtained by mixing (b1) organohydrogenpolysiloxane and (b2) at least one metal compound which is soluble in component (b3) to uniformity in (b3) cyclic or chain dimethylpolysiloxane or at least one organic solvent.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: January 8, 2013
    Assignee: Dow Corning Toray Co., Ltd.
    Inventor: Yukinari Harimoto
  • Patent number: 8349217
    Abstract: The present invention has features in that a lithium transition metal silicate obtained by sintering a mixture containing a transition metal compound containing at least one transition metal selected from the group consisting of Mn, Fe, Co and Ni; a lithium compound; and a silicon-based polymer compound, is used as a positive electrode material for a secondary battery. The lithium transition metal silicate of the present invention has a high lithium occlusion and release efficiency per unit amount of a transition metal. A secondary battery in which the cost is low, stability and safety are high, and superior charge and discharge characteristics are exhibited can be provided.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: January 8, 2013
    Assignees: Tokyo Institute of Technology, Dow Corning Toray Co., Ltd
    Inventors: Atsuo Yamada, Shogo Hayase, Yoshiki Fujita, Shinichi Nishimura, Mamoru Tachikawa, Takakazu Hino
  • Patent number: 8329858
    Abstract: A method of controlling oil-absorbing properties of a silicone rubber powder characterized by keeping a silicone rubber powder in hot storage at a temperature in the range of 40° C. to 150° C. or in cold storage at a temperature in the range of 0° C. to 10° C.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: December 11, 2012
    Assignee: Dow Corning Toray Co., Ltd.
    Inventors: Kazuhiko Ando, Junichi Uchiyama
  • Publication number: 20120301525
    Abstract: This invention is related to a silicone oil emulsion comprising silicon-containing crosslinked particles in silicone oil droplets that are dispersed in water and have an average particle size of 0.1 to 500 ?m wherein the silicon-containing crosslinked particles have an average particle size of 0.05 to 100 ?m and are provided by the crosslinking of a crosslinkable composition comprising at least (A) a silicon-free organic compound that has at least two aliphatically unsaturated bonds in each molecule, (B) a silicon-containing organic compound that has at least two silicon-bonded hydrogen atoms in each molecule, and (C) a hydrosilylation reaction catalyst. The inventive silicone oil emulsion is characterized in that the silicone oil is an alkyl-modified silicone oil that has a silicon-bonded alkyl group having at least 4 carbons. This invention is also related to a silicone oil composition as provided by removing the water from this silicone oil emulsion.
    Type: Application
    Filed: December 2, 2010
    Publication date: November 29, 2012
    Applicant: DOW CORNING TORAY CO., LTD.
    Inventors: Yoshitsugu Morita, Tadashi Takimoto
  • Patent number: 8317220
    Abstract: A curable coating composition that exhibits improved cure and adhesion to various substrates, especially synthetic textiles used in the manufacture of air bags, comprises a composition curable by a hydrosilylation reaction, an acryloxy functional alkoxysilane or a methacryloxy functional alkoxysilane, an alkenyl functional silanol terminated organopolysiloxane, and an epoxy functional alkoxysilane. The curable coating composition is especially useful for application to synthetic textiles such as automotive air bags.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: November 27, 2012
    Assignees: Dow Corning Corporation, Dow Corning Toray Co., Ltd.
    Inventors: Randall Paul Sweet, William R. Blackwood, Tsugio Nozoe
  • Patent number: 8318258
    Abstract: Silsesquioxane resins useful in antireflective coatings wherein the silsesquioxane resin has the formula (PhSiO(3?x)/2(OR?)x)m(HSiO(3?x)/2(OR?)x)n(MeSiO(3?x)/2(OR?)x)o(RSiO(3?x)/2(OR?)x)p(R2SiO(3?x)/2(OR?)x)q where Ph is a phenyl group, Me is a methyl group; R is selected from a sulfur-containing organic functional group; R? is hydrogen atom or a hydrocarbon group having from 1 to 4 carbon atoms; R2 is selected from ester groups, polyether groups; and polyethylene oxide groups; x has a value of 0, 1 or 2; m has a value of 0.01 to 0.97; n has a value of 0.01 to 0.97; o has a value of 0.01 to 0.97; p has a value of 0.01 to 0.97; q has a value of 0 to 0.96; and m+n+o+p+q?1.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: November 27, 2012
    Assignee: Dow Corning Toray Co., Ltd.
    Inventor: Akihiko Shirahata
  • Patent number: 8119744
    Abstract: A curable silicone composition comprising at least the following components: (A) an organopolysiloxane that contains epoxy groups and, preferably, has a branched molecular structure; (B) a phenolic-type curing agent such as an organosiloxane having in one molecule at least two phenolic hydroxyl groups; and (C) an acidic-anhydride type curing agent such as a methylhexahydrophthalic anhydride, as well as an arbitrary components such as (D) a curing accelerator, (E) a filler, or (F) an organic epoxy compound; is characterized by excellent handleability and reduced oil-bleeding during curing, and, when cured, forms a cured body of excellent flexibility and adhesion.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: February 21, 2012
    Assignee: Dow Corning Toray Co., Ltd.
    Inventors: Yoshitsugu Morita, Tomoko Kato
  • Patent number: 8097569
    Abstract: A compressor includes a swash plate, and a shoe connected to an outer periphery of the swash plate. A surface of the swash plate slides upon a flat surface of the shoe. A sliding film is applied to the surface of the swash plate. The sliding film is formed of binder resin which contains a solid lubricant and titanium oxide powder. This allows the surface of the swash plate and the flat surface of the shoe to smoothly slide upon each other.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: January 17, 2012
    Assignees: Kabushiki Kaisha Toyota Jidoshokki, Dow Corning Toray Co., Ltd.
    Inventors: Akio Saiki, Noriyuki Shintoku, Noriaki Baba, Toshihisa Shimo, Hitotoshi Murase, Tetsuji Yamaguchi, Jiro Yamashita, Takahiro Sugioka
  • Patent number: 8092910
    Abstract: A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a hydrosilylation-curable silicone composition comprising a silicone resin, and heating the impregnated fiber reinforcement at a temperature sufficient to cure the silicone resin, wherein the reinforced silicone resin film comprises from 10 to 99% (w/w) of the cured silicone resin and the film has a thickness of from 15 to 500 ?m; and a reinforced silicone resin film prepared according to the method.
    Type: Grant
    Filed: February 1, 2006
    Date of Patent: January 10, 2012
    Assignees: Dow Corning Toray Co., Ltd., Dow Corning Corporation
    Inventors: Debbie Bailey, Dimitris Elias Katsoulis, Michitaka Suto, Bizhong Zhu
  • Patent number: 8088449
    Abstract: A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a condensation-curable silicone composition comprising a silicone resin, and curing the silicone resin in the condensation-curable silicone composition of the impregnated fiber reinforcement; wherein the reinforced silicone resin film comprises from 10 to 99% (w/w) of the cured silicone resin and the film has a thickness of from 15 to 500 ?m; and a reinforced silicone resin film prepared according to the method.
    Type: Grant
    Filed: February 1, 2006
    Date of Patent: January 3, 2012
    Assignees: Dow Corning Toray Co., Ltd., Dow Corning Corporation
    Inventors: Debbie Bailey, Dimitris Elias Katsoulis, Michitaka Suto, Bizhong Zhu
  • Patent number: 8084529
    Abstract: A thermosetting silicone rubber composition that contains a cerium oxide powder in an amount of 0.001 to 10 mass % and that is characterized by total transmittance of light equal to or greater than 90% according to JIS K7105 when the light is passed through a 1 mm-thick layer of an alkenyl-containing dimethylpolysiloxane gum with 0.1 mass % of said cerium oxide powder dispersed in the gum.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: December 27, 2011
    Assignee: Dow Corning Toray Co., Ltd.
    Inventors: Chiichiro Hasegawa, Yoshiaki Miyazaki
  • Patent number: 8063143
    Abstract: A curable organopolysiloxane composition comprising an organopolysiloxane containing alkenyl groups and phenyl groups, an organohydrogenpolysiloxane, a copolymer of a vinyl monomer and a vinyl monomer with hydrosilyl groups, and a platinum catalyst; a curing process that consists of two or more stages of thermal curing; an optical semiconductor device that has a light-transmitting portion made from a cured body of the aforementioned composition; and an adhesion promoter that consists of a copolymer of a vinyl monomer and a vinyl monomer with hydrosilyl groups.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: November 22, 2011
    Assignee: Dow Corning Toray Co., Ltd.
    Inventors: Yoshitsugu Morita, Tomoko Kato, Hiroshi Ueki
  • Patent number: 8058190
    Abstract: A curable coating composition that exhibits improved cure and adhesion to various substrates, especially synthetic textiles used in the manufacture of air bags, comprises a composition curable by a hydrosilylation reaction, and includes a silicone resin, a hydrosilylation reaction inhibitor; and an adhesion promoting additive which comprises (i) an acryloxy functional alkoxysilane or a methacryloxy functional alkoxysilane, (ii) an alkenylsilanol, (iii) an organotitanium compound, (iv) a metal chelate compound, and (v) an epoxy functional alkoxysilane. A filler and a cyclic alkenyl group bearing polysiloxane can also be included in the curable coating composition. The curable coating composition is especially useful for application to synthetic textiles such as automotive air bags.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: November 15, 2011
    Assignees: Dow Corning Corporation, Dow Corning Toray Co., Ltd.
    Inventors: Randall Paul Sweet, William R. Blackwood, Tsugio Nozoe
  • Publication number: 20110266506
    Abstract: Silicone surface-treated magnesium hydroxide which is surface treated by a silicone oil, the silicone oil comprising: a polyorganosiloxane containing a plurality of first siloxane units each of which contains hydrogen atom bonded silicon atom. The first siloxane units shares 50 mol % or less of total siloxane units in one molecule in average. Accordingly, sufficient fire retardancy and mechanical properties such as sufficient elongation are achieved.
    Type: Application
    Filed: July 2, 2009
    Publication date: November 3, 2011
    Applicants: YAZAKI CORPORATION, Nagasaki University, National University Corporation, DOW CORNING TORAY CO., LTD.
    Inventors: Koji Kodama, Kiyoshi Yagi, Makoto Egashira, Haruhiko Furukawa
  • Publication number: 20110180938
    Abstract: In an electronic device, a silicone adhesive bonding first and second members is made from a composition comprising: (A) 100 parts by mass of an organopolysiloxane containing in one molecule at least two alkenyl groups and being free of silicon-bonded hydroxyl and alkoxy groups wherein the content of cyclic siloxanes having 4 to 20 siloxane units is at most 0.1 mass %; (B) an organopolysiloxane containing in one molecule at least two silicon-bonded hydrogen atoms and being free of an alkenyl group, and silicon-bonded hydroxyl and alkoxy groups; (C) at least 0.05 parts by mass of an adhesion promoter; (D) 100 to 2000 parts by mass of a thermally conductive filler; and (E) a hydrosilylation-reaction catalyst. (B) is contained such that the silicon-bonded hydrogen atoms is in the range of 0.5 to 10 mol per 1 mol of the alkenyl groups of (A), and the sum of (B) and (C) is 0.5 to 10 mass % of the sum of (A), (B) and (C).
    Type: Application
    Filed: January 13, 2011
    Publication date: July 28, 2011
    Applicants: DENSO CORPORATION, Dow Corning Toray Co., Ltd.
    Inventors: Kazuya HIRASAWA, Yuuji Ootani, Akiyoshi Asai, Hirokazu Imai, Hiroyoshi Kunieda, Harumi Kodama, Masayuki Onishi, Ryo Sakaguchi, Kazumi Nakayoshi
  • Publication number: 20110182846
    Abstract: The present invention provides a surface treating agent that can improve texture in use and impart excellent water resistance and sebum resistance. A surface treating agent comprising an organosiloxane derivative having a divalent or trivalent metal salt of a terminal carboxyl group, represented by the following formula (1) or (3).
    Type: Application
    Filed: August 7, 2005
    Publication date: July 28, 2011
    Applicants: SHISEIDO COMPANY LTD., DOW CORNING TORAY CO., LTD.
    Inventors: Tomoko Ikeda, Yasunari Nakama, Katsuyuki Kaneko, Shuji Nishihama, Tomohiro Iimura, Tadashi Okawa
  • Publication number: 20110163460
    Abstract: A thermally conductive silicone composition comprises (A) an organopolysiloxane having a viscosity equal to or greater than 100 mPa·s at 25° C.; (B) aluminum powder having an average size of particles ranging from 0.1 to 100 ?m; (C) zinc oxide powder having an average size of particles ranging from 0.05 to 50 ?m; (D) (i) an organopolysiloxane containing univalent hydrocarbon groups which have unsaturated aliphatic bonds, (ii) an organopolysiloxane containing hydrocarbon groups which are free of unsaturated aliphatic bonds, or a mixture of constituents (i) and (ii); and (E) a silane compound or a product of partial hydrolyzation and condensation of said silane compound. The composition has high conductivity and excellent handleability.
    Type: Application
    Filed: August 20, 2009
    Publication date: July 7, 2011
    Applicant: DOW CORNING TORAY CO., LTD.
    Inventors: Tomoko Kato, Kazumi Nakayoshi