Material Contains A Group Viii Metal Atom Patents (Class 528/15)
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Publication number: 20140275329Abstract: A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.Type: ApplicationFiled: September 20, 2012Publication date: September 18, 2014Inventors: Kurt Brandstadt, Simon Cook, Aswini Dash, Matthew Olsen, Avril Surgenor, Richard Taylor, Binh Nguyen, Ming-Shin Tzou
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Patent number: 8835555Abstract: The present invention has an objective to easily obtain an emulsion exhibiting superior storage stability, and in particular, an emulsion of a polyorganosiloxane. The present invention provides a method for producing an emulsion characterized by obtaining an emulsion by emulsifying a mixture of an oil and a surfactant, obtained by synthesizing the surfactant in the oil. In particular, the method is suitably used for the preparation of an emulsion of an organopolysiloxane (A) which is usually difficult to be stably emulsified. A silicone-based surfactant (B), and in particular, a silicone-based surfactant having a small degree of polymerization of a siloxane chain such as a trisiloxane is synthesized in an oil. Thereby, an emulsion exhibiting superior storage stability can be produced.Type: GrantFiled: December 21, 2009Date of Patent: September 16, 2014Assignee: Dow Corning Toray Co. Ltd.Inventors: Kazuhiko Kojima, Tsutomu Naganawa, Asao Harashima
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Patent number: 8828551Abstract: The general field of the invention is that of airbags. The invention relates to a process for improving the tear strength and the combing strength of coated fabrics intended for uses in the field of inflatable bags, using a silicone composition comprising an additive consisting of a polyorganosiloxane resin (V) and a calcium carbonate. After coating the composition onto the fabric supports and curing, the coated supports not only have optimum adhesion and crease resistance properties, but also have good properties in terms of combing strength and tear strength.Type: GrantFiled: July 25, 2012Date of Patent: September 9, 2014Assignee: Bluestar Silicones France SASInventors: Laurent Dumont, Alain Pouchelon
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Patent number: 8809469Abstract: The present invention is a curable organopolysiloxane composition containing (A) a compound shown by the following average composition formula (1), wherein R1 represents an aliphatic unsaturated group, R2 represents a monovalent hydrocarbon group, R3 represents an aliphatic hydrocarbon group, Ar represents an aryl group, and “n” and “m” represent positive numbers which satisfy n?1, m?1, and n+m?10, (B) a hydrogen atom-containing organic silicon compound having at least two silicon atom-bonded hydrogen atoms per one molecule while not having an aliphatic unsaturated group, and (C) a hydrosilylation catalyst which contains a platinum group metal. Thereby, there can be provided a curable organopolysiloxane composition which can give a cured product having high transparency, high refractive index, and excellent thermal shock resistance; an optical device sealing material; and an optical device.Type: GrantFiled: January 18, 2013Date of Patent: August 19, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Ataru Kobayashi, Toshiyuki Ozai
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Patent number: 8810046Abstract: A silicone resin composition contains a cage octasilsesquioxane having a group represented by the following formula (1), an alkenyl group-containing polysiloxane containing an alkenyl group having a number of moles larger than that of a hydrosilyl group in the cage octasilsesquioxane, a hydrosilylation catalyst, and an organohydrogenpolysiloxane. (where, in formula, R1 represents a monovalent hydrocarbon group selected from a saturated hydrocarbon group and an aromatic hydrocarbon group. R2 represents hydrogen or a monovalent hydrocarbon group selected from a saturated hydrocarbon group and an aromatic hydrocarbon group. The molar ratio of the monovalent hydrocarbon group:hydrogen in R2 in the cage octasilsesquioxane as a whole is, as an average value, in the range of 6.5:1.5 to 5.5:2.5).Type: GrantFiled: October 17, 2012Date of Patent: August 19, 2014Assignee: Nitto Denko CorporationInventors: Haruka Ona, Hiroyuki Katayama
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Patent number: 8796410Abstract: One aspect of the present invention provides a polymer having repeating units represented by the formulas (1-1), (1-2) and (1-3) and weight-average molecular weight of from 3,000 to 500,000, as determined by GPC using tetrahydrofuran as a solvent, reduced to polystyrene. Another aspect of the present invention provides an adhesive composition comprising (A) the polymer, (B) a thermosetting resin, and (C) a compound having flux activity. Further, the present invention provides an adhesive sheet having an adhesive layer made of the adhesive composition, a protective material for a semiconductor device, which has the adhesive layer, and a semiconductor device having a cured product obtained from the adhesive composition.Type: GrantFiled: May 11, 2012Date of Patent: August 5, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Michihiro Sugo, Kazunori Kondo
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Patent number: 8791221Abstract: Provided is a metallosiloxane compound (A) prepared by reacting a bifunctional silane compound (S1), a monofunctional silane compound (S2), a boron compound (M), and optionally H2O in a molar ratio of [the silane compound (S1)]:[the silane compound (S2)]:[the boron compound (M)]:[H2O] of n:m:k:a, where n, m, k, and a satisfy all conditions (i), (ii), and (iii), in which the metallosiloxane compound has at least one Si—H bond or C2-10 alkenyl group per molecule, and the conditions (i), (ii), and (iii) are expressed as follows: (i) n>0, m>0, k>0, a?0; (ii) m/n?0.5; and (iii) (n+m)/k?1.8.Type: GrantFiled: November 29, 2011Date of Patent: July 29, 2014Assignee: Daicel CorporationInventor: Tomoya Egawa
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Patent number: 8791213Abstract: The invention provides a curable silicone resin composition comprising: (A) an organopolysiloxane containing an aromatic group having two or more alkenyl groups, and having a viscosity at 25° C. of 10 to 1,000,000 mPa·s, (B) an organopolysiloxane having a resin structure, comprising 10 to 80 mol % of a SiO4/2 unit, 1 to 80 mol % of a (R1)2SiO2/2 unit, and 1 to 60 mol % of a (R2)3SiO1/2 unit, and containing a SiOH group in a range of 0.1 to 5.0 mol %, (C) an organohydrogenpolysiloxane having two or more SiH group, and among whole substituents bonded to the silicon atom, 20 to 80 mol % is a phenyl group, and a SiO4/2 unit is less than 5 mol %, and (D) a platinum group metal catalyst, and the component (B) is contained in an amount of 20 to 80% by mass based on a sum of the component (A) and the component (B).Type: GrantFiled: July 1, 2013Date of Patent: July 29, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Tomoyuki Mizunashi, Tsutomu Kashiwagi, Kinya Kodama
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Patent number: 8785585Abstract: A temporary adhesive for which temporary adhesion and subsequent detachment are simple. The temporary adhesive composition includes: (A) an organopolysiloxane having a weight-average molecular weight of at least 15,000, obtained by a hydrosilylation reaction between (A1) and (A2) described below, and (B) an organic solvent having a boiling point of not more than 220° C., wherein (A1) is an alkenyl group-containing organopolysiloxane having a weight-average molecular weight exceeding 2,000, comprising 35 to 99 mol % of T siloxane units and 1 to 25 mol % of M siloxane units, and in which alkenyl groups bonded to silicon atoms represent at least 2 mol % of all the organic groups bonded to silicon atoms, and (A2) is a specific organohydrogenpolysiloxane having at least two silicon atom-bonded hydrogen atoms or a specific hydrosilyl group-containing compound.Type: GrantFiled: January 5, 2012Date of Patent: July 22, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masahiro Furuya, Shohei Tagami, Hideto Kato, Hideyuki Ito, Masahiro Yoshizawa
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Patent number: 8779043Abstract: A silicone resin composition contains a first organopolysiloxane having, in one molecule, both at least two ethylenically unsaturated hydrocarbon groups and at least two silanol groups; a second organopolysiloxane having, in one molecule, at least two hydrosilyl groups without having an ethylenically unsaturated hydrocarbon group; a hydrosilylation catalyst; and a hydrosilylation retarder.Type: GrantFiled: October 11, 2012Date of Patent: July 15, 2014Assignee: Nitto Denko CorporationInventors: Hirokazu Matsuda, Ryuichi Kimura, Hiroyuki Katayama
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Patent number: 8779074Abstract: A silicone emulsion composition is provided comprising organopolysiloxane, organohydrogenpolysiloxane, surfactant, and water. Two organopolysiloxanes of different type are blended, whereby a cured silicone coating is improved to be fully adherent to plastic film and lightly peelable from pressure-sensitive adhesive. By limiting the SiH content of organohydrogenpolysiloxane, the composition is improved in shelf stability. A specific surfactant is used to control the size of emulsion particles so as to improve wettability to plastic film.Type: GrantFiled: June 6, 2013Date of Patent: July 15, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shinji Irifune, Tsutomu Nakajima
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Publication number: 20140191161Abstract: A hydrosilylation curable silicone composition that forms a cured product with a high refractive index, high transparency, excellent heat resistance, and excellent flexibility, the hydrosilylation curable silicone composition comprising, as a main component, an organopolysiloxane represented by the following average unit formula: (R13SiO1/2)a(R12SiO2/2)b(R2SiO3/2)c(SiO4/2)d wherein, R1 are alkyl groups, alkenyl groups, phenyl groups, or hydrogen atoms; R2 is a group recited for R1, a condensed polycyclic aromatic group, or a group containing a condensed polycyclic aromatic group, provided that at least one of R1 or R2 in a molecule is an alkenyl group or hydrogen atom, and at least one R2 in a molecule is a condensed polycyclic aromatic group or a group containing a condensed polycyclic aromatic group; and a, b, c, and d are numbers satisfying: 0.01?a?0.8, 0?b?0.5, 0.2?c?0.9, 0?d<0.2, and a+b+c+d=1.Type: ApplicationFiled: July 4, 2012Publication date: July 10, 2014Inventors: Masaaki Amako, Tadashi Okawa, Tomohiro Iimura, Kazuhiro Nishijima, Maki Itoh, Yoshitsugu Morita
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Patent number: 8765264Abstract: Silicone-laminated substrate, including glass cloth, and cured product of silicone resin composition—with which the glass cloth is filled and a surface of the glass cloth is coated. The silicone resin composition includes: (A) an organopolysiloxane having a resin structure of specific siloxane units, (B) an organohydrogenpolysiloxane having a resin structure of specific siloxane units, (C) a platinum group metal-based catalyst, and (D) a filler. The silicone-laminated substrate exhibits excellent mechanical properties, flexibility and workability, has minimal surface tack, and is easy to handle. The silicone-laminated substrate is produced by impregnating a glass cloth with the silicone resin composition dissolved or dispersed in a solvent, subsequently evaporating the solvent from the glass cloth, and subjecting the composition impregnated into the glass cloth to heat-curing under compression-molding conditions.Type: GrantFiled: September 10, 2009Date of Patent: July 1, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Tsutomu Kashiwagi, Toshio Shiobara
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Patent number: 8759468Abstract: The moisture and gas barrier properties of an organopolysiloxane having at least two substituents which are able to undergo crosslinking reactions per molecule shall be improved. This is achieved by providing an organopolysiloxane wherein at least 10 mol % of all substituents are represented by formula (1) wherein q is an integer from 0 to 5 and R1, R2, R3 each independently are methyl or ethyl groups. Furthermore, the invention is directed to a composition based on the aforementioned organopolysiloxane and to the use of the organopolysiloxane and of the composition.Type: GrantFiled: March 12, 2013Date of Patent: June 24, 2014Assignee: Henkel (China) Company LimitedInventors: Liwei Zhang, Yong Zhang
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Patent number: 8754174Abstract: A solventless addition-curable pressure sensitive silicone adhesive composition is provided. The composition comprises (A) an alkenyl group-containing polydiorganosiloxane; (B) a condensation product of (a) a polydiorganosiloxane having hydroxyl group or an alkoxy group on opposite ends of the molecular chain and (b) a polyorganosiloxane containing R13SiO1/2 unit and SiO2 unit as critical components and also a HOSiO3/2 unit in the molecule; (C1) a polyorganohydrosiloxane having at least three SiH groups per molecule; (C2) a polydiorganohydrosiloxane having SiH group on opposite ends; and (D) a platinum group metal catalyst. Use of the present composition enables production of a pressure sensitive adhesive agent having flexibility, pressure sensitive adhesiveness, and heat resistance, and the present composition is particularly effective for use as a buffer member having pressure sensitive adhesiveness.Type: GrantFiled: August 4, 2011Date of Patent: June 17, 2014Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Shunji Aoki
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Patent number: 8748553Abstract: Composite materials contain a silicone addition crosslinkable silicone elastomer composition comprising an organopolysiloxane having aliphatic unsaturation, an Si—H functional cyclic organopolysiloxane, a hydrosilylation catalyst, together with specific adhesion promoters, applied to a substrate material.Type: GrantFiled: August 8, 2011Date of Patent: June 10, 2014Assignee: Wacker Chemie AGInventors: Martin Bortenschlager, Thomas Frese, Silvia Jung-Rossetti, Maria Leute
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Patent number: 8742008Abstract: A process for forming a new group of siloxane-based compositions by a one-step co-hydrolysis and the compositions formed thereof. The siloxane-based compositions being functionalized with a carbon-carbon double (C?C) bond and a silicon-hydrogen (Si—H) bond. The C?C bond and hydrogen (H) each being attached directly to a silicon (Si) atom of the silicon-oxygen (Si—O) backbone of the siloxane-based composition. The C?C bond may be from a vinyl or an aromatic radical like a phenyl substituent. The C?C bond substituent provides the functionality needed for forming crosslinkages through standard dehydrocoupling catalysts without the need for siloxane fluids or organic compounds containing alkyl or aryl functional groups. The process provides for varying proportions of silanes as starting monomers to tailor the desired silicon, carbon, hydrogen and oxygen ratios in the siloxane-based compositions or resins.Type: GrantFiled: September 18, 2007Date of Patent: June 3, 2014Assignee: Starfire Systems, Inc.Inventors: Qionghua Shen, Walter J. Sherwood, Jr., Christopher K. Whitmarsh
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Patent number: 8735525Abstract: The present invention relates to a curable composition. A curable composition may be provided; which shows excellent processability and workability; which shows excellent light extraction efficiency, crack resistance, hardness, thermal shock resistance and adhesive strength after curing; and which has excellent reliability and long-term reliability under high-temperature and/or high-moisture conditions. Also, turbidity and surface stickiness may be prevented in the cured product.Type: GrantFiled: July 20, 2012Date of Patent: May 27, 2014Assignee: LG Chem, LtdInventors: Min Jin Ko, Myung Sun Moon, Jae Ho Jung, Bum Gyu Choi, Dae Ho Kang, Min Kyoung Kim
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Patent number: 8729170Abstract: A curable coating composition that exhibits improved cure and adhesion to various substrates, especially synthetic textiles used in the manufacture of air bags, and good air pressure holding performance.Type: GrantFiled: December 28, 2009Date of Patent: May 20, 2014Assignees: Bluestar Silicones France SAS, Bluestar Silicon USA CorpInventors: Remi Thiria, Pascale Jackson
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Patent number: 8729195Abstract: An objective of the present invention is to provide a curable silicone composition of the present invention exhibiting superior adhesive properties with respect to a poor-adhesive resin such as PPS, even if the composition is cured at a relatively low temperature for a short period. The aforementioned objective of the present invention is achieved by a curable silicone composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in a molecule, (B) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule, (C) a hydrosilylation-reaction catalyst, and (D) an acid anhydride having an alkoxy group bonding to a silicon atom or an alkoxyalkoxy group bonding to a silicon atom.Type: GrantFiled: December 20, 2010Date of Patent: May 20, 2014Assignee: Dow Corning Toray Co., Ltd.Inventors: Yoshinori Taniguchi, Toyohiko Fujisawa, Yasushi Sugiura
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Patent number: 8729208Abstract: A curable composition is provided. A cured product showing excellent light extraction efficiency, crack resistance, hardness, thermal shock resistance and adhesive strength after a curing, as well as showing excellent processability and workability is provided. Also, surface stickiness may be prevented in the cured product without causing turbidity etc.Type: GrantFiled: July 25, 2012Date of Patent: May 20, 2014Assignee: LG Chem, Ltd.Inventors: Min Jin Ko, Myung Sun Moon, Jae Ho Jung, Bum Gyu Choi, Dae Ho Kang, Min Kyoun Kim
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Patent number: 8722153Abstract: A release coating composition includes a curable polysiloxane and an aerosol suppressant that has more than one SiO4/2 unit. The aerosol suppressant includes the polymerization product of a siloxane and a cyclic polysiloxane polymerized in the presence of a polymerization catalyst. The siloxane has units of the chemical formula (SiO4/2)(RaRb2SiO1/2)x wherein Ra is a vinyl moiety, Rb is an alkyl moiety, and x is a number from 1.05 to 4. The release coating composition is formed by combining the aerosol suppressant and a curable polysiloxane. The release coating composition is also used to coat a substrate in a release coating process producing a mist of less than 50 mg/cubic meter measured at approximately 457 m/min.Type: GrantFiled: May 23, 2008Date of Patent: May 13, 2014Assignee: Dow Corning CorporationInventor: Robert Ekeland
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Patent number: 8716412Abstract: A silicone resin composition includes a cage octasilsesquioxane; a polysiloxane containing alkenyl groups at both ends containing an alkenyl group having the number of moles smaller than the number of moles of the hydrosilyl group of the cage octasilsesquioxane; a hydrosilylation catalyst; a hydroxyl group-containing polysiloxane, organohydrogenpolysiloxane, or a polysiloxane containing alkenyl groups at side chain.Type: GrantFiled: June 15, 2012Date of Patent: May 6, 2014Assignee: Nitto Denko CorporationInventors: Haruka Fujii, Hiroyuki Katayama
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Publication number: 20140114041Abstract: A curable fluoropolyether gel composition comprising (A) a linear polyfluoro compound having at least two alkenyl groups and a perfluoropolyether structure in its backbone, (B) a polyfluoromonoalkenyl compound having one alkenyl group and a perfluoropolyether structure in its backbone, (C) a fluorinated organohydrogensiloxane having at least two SiH groups, and (D) a platinum-based hydrosilylation catalyst is improved by adding (E) a fluorinated acetylene alcohol as reaction regulator. The resulting composition has advantages including uniform dispersion of the catalyst, storage stability, consistent curability, and cured hardness.Type: ApplicationFiled: October 18, 2013Publication date: April 24, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Mitsuo MUTO, Kenichi FUKUDA, Mikio SHIONO
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Publication number: 20140111976Abstract: A silicone resin is provided. The silicone resin may be effectively used to encapsulate a semiconductor element, for example, a light-emitting element of a light-emitting diode.Type: ApplicationFiled: December 30, 2013Publication date: April 24, 2014Applicant: LG CHEM, LTD.Inventors: Min Jin KO, Myung Sun MOON, Jae Ho JUNG, Bum Gyu CHOI, Dae Ho KANG, Min Kyoun KIM
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Patent number: 8703881Abstract: A curable composition of ionic silicones includes a silicone having the formula M1aM2bM3cD1dD2eD3fT1gT2hT3iQj having ionic groups and crosslinking functional groups. The composition can further include polyorganosiloxane having the average compositional formula R26nR27o(OH)pSiO(4-n-o-p)/2, organohydrogenoligosiloxane or organohydrogenpolysiloxane that has the average compositional formula HqR28rSiO(4-q-r)/2 a transition metal catalyst and other components such as UV stabilizer, cure accelerator, pigment, dye, antimicrobial agent, biocide, surfactant, functional or non-functional filler, conductive filler, finely divided surface treated/untreated metal oxides, clay, plasticizers, tackifiers, mold release agents, adhesion promoters, compatibilizers, pharmaceutical excipients, surfactants or antistatic agents.Type: GrantFiled: December 20, 2012Date of Patent: April 22, 2014Assignee: Momentive Performance Materials Inc.Inventors: Anubhav Saxena, Srividhya Marimuthu, Pranav Ramchandra Joshi, Alok Sarkar
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Publication number: 20140107309Abstract: One object of the present invention is to provide a method for preparing a polyorganosiloxane without using any catalyst having corrosivity and toxicity such as an alkaline earth metal catalyst in a condensation reaction of at least one organic silicon compound having a silanol group and/or an alkoxy silyl group. The present invention is a method for preparing a polyorganosiloxane, wherein the method includes a step of condensation reacting at least one organic silicon compound having at least one —OX group bonding to a silicon atom in the molecule, wherein X is a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an alkoxyalkyl group having 2 to 10 carbon atoms, in the presence of a catalyst, wherein the catalyst is at least one selected from the group having hydroxides or oxides of elements in Groups 3-15 of the periodic table.Type: ApplicationFiled: October 3, 2013Publication date: April 17, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takayuki KUSUNOKI, Yuusuke TAKAMIZAWA, Tsutomu KASHIWAGI
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Publication number: 20140103390Abstract: Provided is a curable composition and its use. The curable composition may exhibit excellent processibility and workability. The curable composition has excellent light extraction efficiency, crack resistance, hardness, thermal and shock resistance and an adhesive property after curing. The curable composition may provide a cured product exhibiting stable durability and reliability under severe conditions for a long time and having no whitening and surface stickiness.Type: ApplicationFiled: December 23, 2013Publication date: April 17, 2014Applicant: LG Chem, Ltd.Inventors: Min Jin KO, Jae Ho JUNG, Myung Sun MOON, Bum Gyu CHOI, Dae Ho KANG, Min Kyoun KIM, Byung Kyu CHO
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Patent number: 8697798Abstract: A silicone rubber composition comprising (A) an organopolysiloxane composition of the organic peroxide cure or addition reaction cure type, (B) a normally solid organic compound having at least two ester bonds per molecule, and (C) particulate aluminum hydroxide having an average particle size of up to 20 ?m is suited for use as high-voltage electric insulator since it maintains insulating properties for a long term in outdoor service and has acid resistance and a long lifetime even in polluted areas.Type: GrantFiled: March 14, 2013Date of Patent: April 15, 2014Assignees: Shin-Etsu Chemical Co., Ltd., NGK Insulators, Ltd.Inventors: Noriyuki Meguriya, Yoshiaki Koike, Osamu Hayashida, Takanori Kondo, Tatsuya Kuroda
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Publication number: 20140100347Abstract: A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.Type: ApplicationFiled: October 4, 2013Publication date: April 10, 2014Inventors: Simon Cook, Shuangbing Han, Matthew Olsen
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Patent number: 8668991Abstract: The present invention relates to a curable organopolysiloxane composition, which comprises: (A) an organocyclosiloxane having alkenyl groups, represented by the following formula (I) wherein n=3 or 4; (B) a hydrosilicone resin of formula (II) (R1R2R3SiO1/2)M.(R4R5SiO2/2)D.(R6SiO3/2)T.Type: GrantFiled: March 12, 2013Date of Patent: March 11, 2014Assignee: Henkel (China) Company LimitedInventors: Wenjuan Tan, Zhiming Pasing Li, Wentao Thomas Xing, Liwei Zhang, Yong Zhang
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Patent number: 8658755Abstract: Provided is a silicon-containing curable composition which includes a prepolymer (A) containing two or more Si—H groups in one molecule, which is obtained by subjecting one or more kinds of a cyclic siloxane compound (?) represented the following formula (1) and one or more kinds of a compound (?) represented by the following formula (2), to a hydrosilylation reaction; a cyclic siloxane compound (B) containing, in one molecule, two or more carbon-carbon double bonds that are reactive with Si—H groups; a polysiloxane compound (C) which is different from the prepolymer (A) and the cyclic siloxane compound (B); and a hydrosilylation catalyst (D). In formula (1), R1 to R3 each represent an alkyl group having 1 to 6 carbon atoms, or a phenyl group; a represents a number from 2 to 10; and b represents a number from 0 to 8. In formula (2), n represents the number 1 or 2.Type: GrantFiled: September 15, 2010Date of Patent: February 25, 2014Assignee: Adeka CorporationInventor: Masako Saito
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Patent number: 8637628Abstract: One embodiment is related to a silicone composition for sealing a light emitting element, the composition comprising: (A) a vinyl group-containing organopolysiloxane having a three-dimensional network structure; (B) an organohydrogenpolysiloxane which has at least two hydrogen atoms, each hydrogen atom being bonded to a silicon atom per molecule; and (C) a hydrosilylation catalyst.Type: GrantFiled: June 5, 2012Date of Patent: January 28, 2014Assignee: Momentive Performance Materials Japan LLCInventors: Kikuo Mochizuki, Nobuo Hirai
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Patent number: 8637627Abstract: A curable phenoxyphenyl polysiloxane composition is disclosed. A cured phenoxyphenyl polysiloxane composition is further disclosed, along with a method of making that cured phenoxyphenyl polysiloxane composition from the curable phenoxyphenyl silicon composition. An encapsulated semiconductor device, and a method of making that encapsulated semiconductor device by coating a semiconductor element of a semiconductor device with cured phenoxyphenyl polysiloxane are further disclosed.Type: GrantFiled: December 5, 2008Date of Patent: January 28, 2014Assignee: Rohm and Haas CompanyInventors: Kathleen A. Auld, David M. Conner, Garo Khanarian, David Wayne Mosley
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Patent number: 8618245Abstract: The present invention relates to an obtainment process of biodegradable polymers from a citric residue resulting from the processing of orange juice. The polymers obtained are polyesters classified as polyhydroxyalkanoates including, among them the poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate). The biodegradable polymer is obtained from the batch culture process or fed batch culture process with or without recirculation of the cells, using as a carbon source the pre-treated pressing liquor and/or the citric molasses. The polyhydroxyalkanoates, herein described, can be used as substitutes of the synthetic polyesters in different areas, including the food, pharmaceutical, medical, agricultural and other areas.Type: GrantFiled: November 18, 2008Date of Patent: December 31, 2013Assignees: Citrosuco S/A Agroindustria, Universidade Federal de Santa CatarinaInventors: Glaucia Maria Falcão de Aragão, Willibaldo Schimidell Netto, Jaciane Lutz Ienczak, Mônica Lady Fiorese, Francieli Dalcaton, Franciny Schmidt, Ricardo Deucher, Cinthia Vecchi, Rafael Costa Rodrigues
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Patent number: 8618234Abstract: Silicone-based pressure-sensitive adhesive composition comprising 100 parts (A) a branched organopolysiloxane having on molecular terminals at least two alkenyl groups and represented by (R3SiO1/2)4-p(R1R2SiO1/2)p(R2SiO)m(RR1SiO)n(SiO4/2), to 400 parts (B) an organopolysiloxane composed of R3R22SiO1/2 units and SiO4/2 units, (C) an organohydrogenpolysiloxane, and a catalytic quantity of (D) a platinum-type catalyst. Pressure-sensitive adhesive tape or sheet having an adhesive layer in the form of a cured layer of the aforementioned composition.Type: GrantFiled: August 22, 2008Date of Patent: December 31, 2013Assignees: Dow Corning Corporation, Dow Corning Toray Company, Ltd.Inventors: Haruna Mizuno, Robert Alan Ekeland, Seiji Hori, Takateru Yamada
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Patent number: 8618233Abstract: A polymer cures by either radiation or moisture curing mechanisms, or both. The polymer is prepared by hydrosilylation. The polymer includes units of formula: (R22Si02/2)b, (R2Si03/2)c, (SiO4/2)d, (R1?)f, and (R23Si01/2)g, where each R1 is independently an oxygen atom or a divalent hydrocarbon group; each R1? is independently divalent hydrocarbon group; each R2 is independently a monovalent organic group that is free of terminal aliphatic unsaturation each X is independently a monovalent hydrolyzable group; each J is independently a monovalent epoxy functional organic group; subscript a has a value of 1 or more; subscript b has a value of 0 or more; subscript c has a value of 0 or more; subscript d has a value of 0 or more; subscript e has a value of 1 or more; subscript f has a value of 0 or more; subscript g has a value of 0 or more; subscript s is 1, 2, or 3; and subscript t is 1, 2, or 3.Type: GrantFiled: November 7, 2007Date of Patent: December 31, 2013Assignee: Dow Corning CorporationInventors: Khristopher Alvarez, Nick Shephard, James Tonge
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Publication number: 20130341671Abstract: A silicone resin composition contains a polysiloxane containing at least one pair of condensable substituted groups capable of condensation by heating and at least one pair of addable substituted groups capable of addition by an active energy ray.Type: ApplicationFiled: June 7, 2013Publication date: December 26, 2013Inventors: Haruka ONA, Hiroyuki Katayama, Sadahiro Nakanishi
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Patent number: 8614282Abstract: A silicone resin composition comprising (A) an organopolysiloxane containing silicon-bonded aryl and alkenyl groups in a molecule, (B) an organohydrogenpolysiloxane, and (C) an addition reaction catalyst is low gas permeable. An optoelectronic device encapsulated therewith is highly reliable.Type: GrantFiled: September 1, 2011Date of Patent: December 24, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yoshihira Hamamoto, Tsutomu Kashiwagi
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Patent number: 8604150Abstract: The present invention has an object to provide a curable composition for transfer materials. The curable composition is applicable to a UV nanoimprint process capable of forming micropatterns with high throughput, is applicable to a thermal nanoimprint process in some cases, and is capable of forming a micropattern having high selectivity on etching rates regarding a fluorine-based gas and an oxygen gas. A curable composition for transfer materials of the present invention contains a curable silicon compound produced by subjecting a silicon compound (A) having a Si—H group and a compound (B) having a curable functional group and a carbon-carbon double bond other than the curable functional group to a hydrosilylation reaction.Type: GrantFiled: November 5, 2008Date of Patent: December 10, 2013Assignee: Showa Denko K.K.Inventors: Katsutoshi Morinaka, Yoshikazu Arai, Hiroshi Uchida, Toshio Fujita
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Patent number: 8598295Abstract: The invention provides a process for preparing branched SiH-functional siloxanes by converting a mixture of one or more low molecular weight SiH-functional siloxanes, one or more low molecular weight SiH-free siloxanes and one or more trialkoxysilanes with addition of water and in the presence of at least one Brønsted-acidic catalyst, which is characterized in that the reaction is performed in one process step.Type: GrantFiled: September 23, 2008Date of Patent: December 3, 2013Assignee: Evonik Goldschmidt GmbHInventors: Frauke Henning, Wilfried Knott, Horst Dudzik
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Patent number: 8592037Abstract: Compositions containing a nanostructure, preferably a nanocrystal, are provided. The nanostructures have ligands bound to the surface. Such ligands are preferably siloxane containing ligands having at least one —COON group, although ligands having various ?P?O groups are also contemplated. The nanostructures can be embedded into a polymer such as a silicone polymer.Type: GrantFiled: October 20, 2011Date of Patent: November 26, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: J. Wallace Parce, Paul Bernatis, Robert Dubrow, William P Freeman, Joel Gamoras, Shihai Kan, Andreas Meisel, Baixin Qian, Jeffery A Whiteford, Jonathan Ziebarth
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Patent number: 8575290Abstract: A silicone resin composition contains a first organopolysiloxane having, in one molecule, both at least two ethylenically unsaturated hydrocarbon groups and at least two hydrosilyl groups; a second organopolysiloxane having, in one molecule, at least two hydrosilyl groups without containing an ethylenically unsaturated hydrocarbon group; a hydrosilylation catalyst; and a hydrosilylation inhibitor.Type: GrantFiled: May 11, 2012Date of Patent: November 5, 2013Assignee: Nitto Denko CorporationInventors: Munehisa Mitani, Hiroyuki Katayama, Haruka Fujii
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Curable silicone resin composition with high reliability and optical semiconductor device using same
Patent number: 8569429Abstract: An optical semiconductor device that combines low gas permeability and high reliability. A curable silicone resin composition comprising: (A) an alkenyl group-containing organopolysiloxane comprising an organopolysiloxane represented by an average composition formula (1) and containing at least two alkenyl groups per molecule: (R1SiO3/2)a(R22SiO)b(R3R42SiO1/2)c??(1) wherein R1 represents an alkyl group, R2 represents an aryl group, R3 represents an alkenyl group, and R4 represents an alkyl group or an aryl group, (B) an organohydrogenpolysiloxane represented by an average composition formula (2) and containing at least two silicon atom-bonded hydrogen atoms per molecule: R1dR2eHfSiO(4-d-e-f)/2??(2) wherein R1 and R2 are as defined above, and (C) an addition reaction catalyst.Type: GrantFiled: November 20, 2012Date of Patent: October 29, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yoshihira Hamamoto, Tsutomu Kashiwagi -
Patent number: 8557942Abstract: Single-component silicone elastomer compositions (SEA) are crosslinkable by polyaddition into self-adhesive state, contain at least one polyorganosiloxane (POS) including sites of ethylenic and/or acetylenic unsaturation {POS containing units ?Si— [unsaturation]}; at least one polyorganosiloxane (POS) containing units ?Si—H; a catalytic system including at least one metal catalyst and at least one crosslinking inhibitor; a filler; at least one adhesion promoter; optionally, at least one POS resin; optionally, at least one thermal resistance agent; and, optionally, at least one other functional additive, and are useful for gluing, assembling, sealing, e.g., joints, coatings, electrical, electronic and automobile engineering parts.Type: GrantFiled: December 9, 2005Date of Patent: October 15, 2013Assignee: Bluestar Silicones France SASInventors: Alain Pouchelon, Delphine Blanc-Magnard, Catherine George, Fabio Zanandrea
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Patent number: 8541011Abstract: Gel compositions are disclosed comprising a silicone elastomer from the reaction of an SiH containing organopolysiloxane resin and an organic compound having at least two aliphatic unsaturated groups in its molecule.Type: GrantFiled: June 5, 2012Date of Patent: September 24, 2013Assignee: Dow Corning CorporationInventors: Shaow Burn Lin, Lori Ann Stark-Kasley
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Patent number: 8524842Abstract: Gels having viscoelastic qualities, physical stability and adhesive properties, well suited for a wide variety of end applications, are prepared by crosslinking, by hydrosilylation, silicone compositions which contain: a polyorganosiloxanes POS (I) of SiH type; a polyorganosiloxanes POS (II) of SiVi type (Vi=vinyl); a polyorganosiloxanes POS (III) of monofunctional SiVi type; a platinum-based catalyst (D); and optionally, a polyorganosiloxanes POS (IV) of polydimethylsiloxane type.Type: GrantFiled: June 9, 2004Date of Patent: September 3, 2013Assignee: Bluestar Silicones France SASInventors: Bernd Jung, Joerg Dienemann, Catherine George
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Patent number: 8524850Abstract: PROBLEM TO BE SOLVED To provide an ophthalmic lens, which can be more safely worn, that is, to provide a material, which is transparent and has high oxygen permeability and a high hydrophilic property, and to provide a novel monomer to be a raw material thereof. SOLUTION A hydrophilic polysiloxane macromonomer contains polyoxyethylene as a hydrophilic side chains in a polysiloxane main chain, wherein transparency, oxygen permeability, and hydrophilic properties of the material are controlled by regulating the length of the polysiloxane main chain, the length of the hydrophilic polyoxyethylene side chains, and the number of the side chains.Type: GrantFiled: March 5, 2012Date of Patent: September 3, 2013Assignee: CooperVision International Holding Company, LPInventors: Hiroyuki Ueyama, Seiichiro Ikawa, Junichi Iwata
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Patent number: 8519078Abstract: A polyether-modified polysiloxane containing a perfluoropolyether group and its production method are provided. The polysiloxane has both the properties of a perfluoropolyether and the properties of a polyether-modified silicone, and it also has high affinity for organic solvents as well as coating compositions, cosmetics, and various coating materials. The polysiloxane is represented by the following general formula (1): wherein Rf is a perfluoroalkyl group; X is fluorine atom or trifluoromethyl group; Q is a divalent organic group, R is hydrogen atom, an alkyl group, or acyl group; R1 and R2 are an alkyl group, aryl group, or an aralkyl group; a, b, c, d are 0 to 200; a+b+c+d is at least 1; e is 0 or 1; p and q are 0 to 50 with the proviso that p+q is at least 2; and k is 1 to 3.Type: GrantFiled: June 27, 2011Date of Patent: August 27, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hiromasa Yamaguchi, Yasunori Sakano
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Patent number: 8512869Abstract: A silicon composition with a silicon compound represented by Formula 1 and a silicon compound represented by Formula 2: wherein, R1, R2, R3, R4, R11, R12, R13, R14, R15, R16, R17, R18, and R19 are each independently a C1-C4 alkyl group, R5, R6, R7, R8, R9, and R10 are each independently hydrogen or deuterium, k, m, and n are positive integers, and the ratio of k to the sum of m and n is from about 1:0.001 to about 1:0.2; and an organic light emitting device including the same.Type: GrantFiled: April 26, 2011Date of Patent: August 20, 2013Assignee: Samsung Display Co., Ltd.Inventors: Oh-June Kwon, Seung-Yong Song, Young-Seo Choi, Ji-Hun Ryu, Young-Cheol Joo, Jin-Hwan Jeon, Sun-Young Jung