Silicon Reactant Contains A Silicon-to-hydrogen Bond Patents (Class 528/31)
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Publication number: 20140031509Abstract: Provided are a curable composition and its use. The curable composition can exhibit excellent processibility and workability. The curable composition exhibits excellent light extraction efficiency, hardness, thermal and shock resistance, moisture resistance, gas permeability and adhesiveness, after curing. In addition, the curable composition can provide a cured product that exhibits long-lasting durability and reliability, and that does not cause whitening and surface stickiness even under harsh conditions.Type: ApplicationFiled: July 29, 2013Publication date: January 30, 2014Applicant: LG CHEM, LTD.Inventors: Min Jin Ko, Bum Gyu Choi, Jae Ho Jung, Dae Ho Kang, Min Kyoun Kim, Byung Kyu Cho
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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: 8637610Abstract: Novel, crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels and in antimicrobial compositions.Type: GrantFiled: July 16, 2013Date of Patent: January 28, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Mark Allen Andrews, Garret D Figuly, Henry Keith Chenault
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Patent number: 8637626Abstract: Disclosed herein are manganese, iron, cobalt, or nickel complexes containing 2,8-bis(imino)quinoline ligands and their use as catalysts or catalysts precursors for hydrosilylation reactions.Type: GrantFiled: November 22, 2011Date of Patent: January 28, 2014Assignee: Momentive Performance Materials Inc.Inventors: Aaron M. Tondreau, Paul J. Chirik, Johannes G. P. Delis, Keith J. Weller, Kenrick M. Lewis, Susan A. Nye
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Publication number: 20140024796Abstract: 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: ApplicationFiled: July 1, 2013Publication date: January 23, 2014Inventors: Tomoyuki MIZUNASHI, Tsutomu KASHIWAGI, Kinya KODAMA
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Patent number: 8623984Abstract: The present invention relates to compositions containing polyether-siloxane copolymers which are based on branched SiH-functional siloxanes, where at least one of the polyether-siloxane copolymers has a radical —OR8 where R8=hydrogen or an alkyl radical having from 1 to 10 carbon atoms which is bound to a silicon atom, a process for producing polyurethane foam in which these compositions are used as foam stabilizers, polyurethane foams containing these compositions and the use of these polyurethane foams.Type: GrantFiled: May 20, 2010Date of Patent: January 7, 2014Assignee: Evonik Goldschmidt GmbHInventors: Frauke Henning, Carsten Schiller, Horst Dudzik, Eva Emmrich, Annegret Terheiden, Martin Glos, Wilfried Knott, Christian Eilbracht
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Patent number: 8617529Abstract: The present invention relates to the use of organomodified siloxane block copolymers as care active ingredient for the care of human or animal body parts.Type: GrantFiled: April 15, 2009Date of Patent: December 31, 2013Assignee: Evonik Goldschmidt GmbHInventors: Sascha Herrwerth, Michael Ferenz, Stefan Busch, Jens Barnhusen, Agnes Kulosa
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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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Patent number: 8613979Abstract: A composition includes a boron-containing hydrogen silsesquioxane polymer having a structure that includes: silicon-oxygen-silicon units, and oxygen-boron-oxygen linkages in which the boron is trivalent, wherein two silicon-oxygen-silicon units are covalently bound by an oxygen-boron-oxygen linkage therebetween.Type: GrantFiled: January 2, 2013Date of Patent: December 24, 2013Assignee: Cheil Industries, Inc.Inventors: Sina Maghsoodi, Shahrokh Motallebi, SangHak Lim, Meisam Movassat, Do-Hyeon Kim
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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: 8598296Abstract: An organohydrogenpolysiloxane comprising at least two structural units of —(HR1SiO)a— wherein R1 is a monovalent hydrocarbon group, and a is an integer of 2-50, which are connected together via a SiH-free structural unit, is a novel crosslinking agent. A silicone composition comprising an alkenyl-containing organopolysiloxane, the organohydrogen-polysiloxane, and a catalyst is curable through addition reaction, adherent to plastic substrates, and useful for coating purposes.Type: GrantFiled: August 29, 2012Date of Patent: December 3, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shinji Irifune, Akinari Itagaki
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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: 8592547Abstract: An organopolysiloxane having a main chain composed of the following repeating units (I), 2 to 199 side chain units (II) and 1 to 50 crosslinkage units (III) per 100 SiO units in the main chain, provided that the organopolysiloxane has at least 2, on average, crosslinkage units (III):Type: GrantFiled: September 30, 2010Date of Patent: November 26, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Koji Sakuta, Kiyomi Tachibana
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Silicon-containing alicyclic polyimide resin, polyamic acid resin, and manufacturing method for same
Patent number: 8592546Abstract: A polyimide resin including repeating units represented by formula (1): wherein R is a diamine residue or a diisocyanate residue; m is an integer of 2 to 30; any of silicon atoms bonded to norbornane rings is in exo configuration with respect to the norbornane rings; and any of imide rings bonded to the norbornane rings is in exo configuration with respect to the norbornane rings, and a polyamic acid resin including repeating units represented by formula (2): wherein R is a diamine residue; m is an integer of 2 to 30; any of silicon atoms bonded to norbornane rings is in exo configuration with respect to the norbornane rings; and any of amide groups and carboxyl groups bonded to the norbornane rings is in exo configuration with respect to the norbornane rings. The polyimide resin is soluble in general-purpose solvents, has a good transparency and a high molecular weight, and is excellent in mechanical properties, such as tensile strength and elongation.Type: GrantFiled: April 13, 2011Date of Patent: November 26, 2013Assignee: Hitachi Chemical Company, Ltd.Inventors: Tooru Kikuchi, Toshihiko Takasaki, Katsuyuki Masuda -
Patent number: 8592534Abstract: Provided are poly(ferrocenyl)silane based network polymers, methods of preparing the same, and films including the poly(ferrocenyl)silane based network polymers. The network polymers have a steric network structure and are prepared by using a simplified process.Type: GrantFiled: June 21, 2011Date of Patent: November 26, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Moon Gyu Han, Gennadi A. Emelchenko, Alexander M. Kalsin, Nikolai A. Ustynyuk, Tatyana A. Peganova
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Patent number: 8586688Abstract: Disclosed are a curable composition characterized by using a curable composition including an organic polymer (A1) having one or more silicon-containing functional groups capable of cross-linking by forming siloxane bonds in which the one or more silicon-containing functional groups capable of cross-linking by forming siloxane bonds are silicon-containing functional groups each having three or more hydrolyzable groups on one or more silicon atoms thereof; and a method for controlling the recovery properties, durability and creep resistance of the cured article. Herewith, the present invention provides a curable composition capable of giving a cured article excellent in recovery properties, durability and creep resistance, and a method for controlling the recovery properties, durability and creep resistance of the cured article.Type: GrantFiled: March 21, 2011Date of Patent: November 19, 2013Assignee: Kaneka CorporationInventors: Toshihiko Okamoto, Katsuyu Wakabayashi, Hiroshi Ito, Hiroshi Ando
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Patent number: 8580889Abstract: An addition curable self-adhesive silicone rubber composition comprising (A) an organopolysiloxane containing at least two alkenyl groups, (B) an organohydrogenpolysiloxane containing at least three SiH groups, (C) another organohydrogenpolysiloxane containing no other reactive groups than SiH groups, and (F) an addition reaction catalyst, with a SiH/alkenyl molar ratio ranging from 0.8 to 5.0, is briefly moldable and cures to various metals and organic resins.Type: GrantFiled: February 29, 2012Date of Patent: November 12, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Nobu Kato, Noriyuki Meguriya
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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: 8563625Abstract: The invention relates to hydrophilized curable silicone compositions which contain organopolysiloxanes, hydrophilizers and at least one stabilizing phosphorous compound. The compositions are particularly suitable as curable impression materials in dental applications, especially as wash impression materials.Type: GrantFiled: October 17, 2012Date of Patent: October 22, 2013Assignee: 3M Innovative Properties CompanyInventors: Joachim Wilhelm Zech, Rainer Guggenberger, Henning Hoffmann
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Publication number: 20130270529Abstract: Provided is an organic electroluminescence device material, which, in its production, is free from formation of impurities that worsen the performance of organic EL devices, which, in forming an upper layer by coating, does not cause dissolution mixing or swelling mixing, which forms a film of good quality and which contributes toward improving the performance (high durability, and low driving voltage) of organic EL devices. The organic electroluminescence device material is a siloxane compound having a recurring unit represented by the following general formula (1): (In the general formula (1), R1 represents an alkyl group or an aryl group; L1 represents a divalent linking group having at least 3 carbon atoms; and HL represents a group containing at least two triarylamine units.Type: ApplicationFiled: June 28, 2011Publication date: October 17, 2013Applicant: UDC IRELAND LIMITEDInventors: Yasunori Yonekuta, Koji Takaku, Naoyuki Hayashi
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Publication number: 20130270457Abstract: The present invention relates to a fluorescent dye-incorporated silica material. A fluorescent dye is covalently bonded to a silica matrix. The invention also provides for a method for verifying the authenticity of a product, wherein the fluorescent silica material is present in or on a product, and the material is tested for fluorescence or structure.Type: ApplicationFiled: April 16, 2012Publication date: October 17, 2013Applicant: International Business Machines CorporationInventors: Dylan J. Boday, Jason T. Wertz
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Patent number: 8557943Abstract: Provided are inorganic-organic block copolymers that self assemble without the addition of a precursor. The inorganic block of the polymers includes silicon and the organic block may be any organic polymer. The inorganic-organic block copolymers self assemble to form a material in which the inorganic polymer block may be crosslinked to produce an organosilicate and/or silica matrix, and further thermal curing of the matrix results in the formation of a porous nanostructured film.Type: GrantFiled: April 29, 2011Date of Patent: October 15, 2013Assignee: International Business Machines CorporationInventors: Krishna S. Bajjuri, Qiu Dai, Alshakim Nelson, Jitendra S. Rathore
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Publication number: 20130256741Abstract: A composition of the present invention includes an organopolysiloxane component (A) comprising at least one of a disiloxane, a trisiloxane, and a tetrasiloxane, and has at least one of an alkyl group and an aryl group and has an average of at least two alkenyl groups per molecule. Component (A) has a number average molecular weight less than or equal to 1500 (g/mole). The composition further includes an organohydrogensiloxane component (B) having at least one of an alkyl group and an aryl group and having an average of at least two silicon-bonded hydrogen atoms per molecule. Component (B) has a number average molecular weight less than or equal to 1500 (g/mole). The composition yet further includes a catalytic amount of a hydrosilylation catalyst component (C). A product of the present invention is the reaction product of the composition, which may be used to make a light emitting diode.Type: ApplicationFiled: December 6, 2011Publication date: October 3, 2013Inventors: Brian R. Harkness, Ann W. Norris, Shellene K. Thurston
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Sealant or filler for electrical and electronic components, and electrical and electrical components
Patent number: 8546508Abstract: A sealant or filler of the invention for electrical and electronic components comprises a two or more liquid type organopolysiloxane composition curable by a hydrosilylation reaction, the viscosity of the composition being doubled at room temperature during 10 min. or more from the initial value obtained directly after mixing all the components, and being increased at room temperature from 5-fold to 10-fold of the initial viscosity within another 10 min. The sealant or filler for electrical and electronic components can be cured to a sufficient degree at room temperature and improve reliability of the sealed or filled components.Type: GrantFiled: October 15, 2009Date of Patent: October 1, 2013Assignee: Dow Corning Toray Co., Ltd.Inventors: Akiko Nabeta, Kazumi Nakayoshi -
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: 8536293Abstract: The present invention provides a triblock copolymer and a viscoelastic biostable foam comprising the same.Type: GrantFiled: March 15, 2011Date of Patent: September 17, 2013Assignee: Vysera Biomedical LimitedInventors: Niall Behan, Ashutosh Kumar
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Patent number: 8536295Abstract: The disclosure provides methods and materials for imparting corrosion resistance to a substrate, as well as the corrosion-resistant substrates prepared accordingly. Compositions and methods include nonpyrolyzed, silicon-based polymer coatings prepared on substrates. The prepared coatings are highly stable and resistant to corrosion. The invention finds utility, for example, in the fields of surface and coating chemistry. The composition contains silicon-containing polymers having units of the following formulae: [R1Si(OH)O]k??(III) [R1Si(OR10)O]m??(IV) [R1SiO1.5]n??(V) [R1Si(H)O]p??(VI) [R2R3SiO]q??(VII).Type: GrantFiled: December 20, 2011Date of Patent: September 17, 2013Assignee: SRI InternationalInventors: Yigal D. Blum, David K. Hui, David Brent MacQueen
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Patent number: 8525219Abstract: The present invention relates to a composition for a silicone resin, including: (1) an organopolysiloxane having a silanol group at an end thereof; (2) an organopolysiloxane having at least one alkenylsilyl group and at least two hydrosilyl groups in one molecule thereof; (3) a condensation catalyst; and (4) a hydrosilylation catalyst.Type: GrantFiled: April 21, 2011Date of Patent: September 3, 2013Assignee: Nitto Denko CorporationInventor: Hiroyuki Katayama
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Patent number: 8524848Abstract: A curable silicone gel composition that is of low viscosity, exhibits good fluidity, and generates a silicone gel that exhibits good resistance to external stress and thermal stress. The composition includes (A) a specific organopolysiloxane having at least two alkenyl groups within each molecule, (B) an organohydrogenpolysiloxane having a specific branched main chain structure, containing at least three SiH groups within each molecule, and also containing at least one branch-forming unit within each molecule, and (C) a platinum-based catalyst, wherein the cured product has a penetration value of 10 to 200, and loss coefficient values at 25° C. for shear frequency values of 1 Hz and 10 Hz of 0.1 to 1.0 and 0.3 to 1.5 respectively.Type: GrantFiled: June 10, 2011Date of Patent: September 3, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Miyuki Tanaka, Kazuyasu Sato, Tsuyoshi Matsuda
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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: 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: 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: 8519058Abstract: Novel, crosslinked polymers using biomass derived materials, such as aldaric acids and derivatives, are provided. The polymers can be used as hydrogels and in antimicrobial compositions.Type: GrantFiled: February 23, 2005Date of Patent: August 27, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Mark Allen Andrews, Henry Keith Chenault, Garret D. Figuly
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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
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Patent number: 8501894Abstract: This invention relates to a process to functionalize polyolefins comprising contacting a metallocene catalyst with a hydrosilane, and one or more vinyl terminated polyolefins. This invention further relates to the hydrosilane-functionalized polyolefins produced thereby.Type: GrantFiled: March 25, 2011Date of Patent: August 6, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Donna J. Crowther, Jacqueline A. Lovell, Patrick Brant
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Patent number: 8501893Abstract: A synthetic method for preparing dual curable (e.g., thermal and light curable) silicone compositions is provided. The first step being a chemical modification of silanichydride bonds in cyclic siloxane monomer by the hydrosilylation reaction with acrylate-/methacrylate-containing allylic monomer. The second step being a ring-opening polymerization of the acrylate-/methacrylate-functionalized cyclic siloxane monomer with siloxane monomers using an oligosiloxane as a chain terminator.Type: GrantFiled: January 23, 2009Date of Patent: August 6, 2013Assignee: National Science and Technology Development AgencyInventors: Wanida Janvikul, Boonlom Thavornyutikarn, Paradorn Ngamdee
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Patent number: 8492477Abstract: A dispersion includes dispersed particles. The particles include a reaction product of a first polymer, a second polymer, and a chain terminator. The first and second polymers have at least two Si—H moieties and silicon bonded unsaturated moieties, respectively. The chain terminator has one Si—H moiety or one unsaturated hydrocarbon moiety. The first and second polymers and the chain terminator are reacted in the presence of a metal catalyst. The dispersion is formed by a method that includes the step of combining the first and second polymers, and the chain terminator. This method also reacts the first and second polymers and the chain terminator in the presence of the metal catalyst to form the dispersed particles.Type: GrantFiled: March 11, 2009Date of Patent: July 23, 2013Assignee: Dow Corning CorporationInventors: Severine Cauvin, Glenn V. Gordon, Donald T. Liles
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Patent number: 8487061Abstract: Provided is a process for making a saturated star hydrocarbon polymer. The process has the following steps: (A) hydrosilylating tetraethylene silicon with methyldichlorosilane in the presence of a hydrosilylating catalyst to form a chlorosilane dendrimer; (B) reacting the chlorosilane dendrimer with vinylmagnesium bromide in the presence of a lithium and/or organolithium initiator stepwise to build a higher generation chlorosilane dendrimer; (C) anionically polymerizing polybutadiene in the presence of a lithium and/or organolithium initiator to form living poly(butadienyl)lithium; (D) attaching the living poly(butadienyl)lithium to the higher generation dendrimer to form a star polybutadiene; and (E) hydrogenating the star polybutadiene to form the saturated star hydrocarbon polymer. There is also provided a saturated star hydrocarbon polymer made according to the above process and a polymer composition of a matrix ethylene polymer and the saturated star hydrocarbon polymer.Type: GrantFiled: May 17, 2011Date of Patent: July 16, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Andy H. Tsou, Nikos Hadjichristidis, Pamela J. Wright, Johannes M. Soulages
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Patent number: 8481656Abstract: A silicone resin composition that exhibits low gas permeability and is suitable for encapsulating optical semiconductors. The composition includes: (A) an organopolysiloxane having a specific structure containing two or more alkenyl groups, (B) an organohydrogenpolysiloxane composed of two organohydrogenpolysiloxanes having specific structures, in which the mass ratio between the two organohydrogenpolysiloxanes is within a range from 10:90 to 90:10, in an amount that provides 0.4 to 4.0 mols of silicon atom-bonded hydrogen atoms within the component (B) per 1 mol of alkenyl groups within the component (A), and (C) an addition reaction catalyst.Type: GrantFiled: April 6, 2012Date of Patent: July 9, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Tsutomu Kashiwagi, Yoshihira Hamamoto
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CURABLE SILICONE RESIN COMPOSITION WITH HIGH RELIABILITY AND OPTICAL SEMICONDUCTOR DEVICE USING SAME
Publication number: 20130161683Abstract: 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: ApplicationFiled: November 20, 2012Publication date: June 27, 2013Applicant: Shin-Etsu Chemical Co., Ltd.Inventor: Shin-Etsu Chemical Co., Ltd. -
Patent number: 8470952Abstract: The present invention relates to a composition for a thermosetting silicone resin, the composition including: (1) a dual-end silanol type silicone oil; (2) an alkenyl group-containing dialkoxyalkylsilane; (3) an organohydrogensiloxane; (4) a condensation catalyst; and (5) a hydrosilylation catalyst.Type: GrantFiled: December 22, 2010Date of Patent: June 25, 2013Assignee: Nitto Denko CorporationInventor: Mizuki Yamamoto
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Patent number: 8470937Abstract: Provided are a curable composition for semiconductor encapsulation which produces a cured product that is excellent in heat resistance, electrical insulation properties at high temperatures, flexibility and heat cycle resistance, and a semiconductor device encapsulated by curing this curable composition. Specifically, there is provided a curable composition for semiconductor encapsulation containing, as component (A), a particular SiH group-containing siloxane compound; as component (B), a particular vinyl group-containing siloxane compound; as component (C), a compound having at least three SiH groups or at least three vinyl groups; and as component (D), a hydrosilylation catalyst.Type: GrantFiled: May 26, 2011Date of Patent: June 25, 2013Assignee: Adeka CorporationInventors: Ken-ichiro Hiwatari, Isamu Yumoto
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Patent number: 8466248Abstract: The invention relates to emulsifier systems comprising organomodified siloxane block copolymers, their use, in particular the preparation of cosmetic, dermatological or pharmaceutical formulations, and of care and cleaning compositions, and also the products themselves prepared with the help of emulsifier systems.Type: GrantFiled: April 15, 2009Date of Patent: June 18, 2013Assignee: Evonik Goldschmidt GmbHInventors: Juergen Meyer, Frank Unger, Michael Ferenz, Sascha Herrwerth, Christian Hartung, Andrea Lohse
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Patent number: 8461284Abstract: Compositions and methods for controlled polymerization and/or oligomerization of hydrosilanes compounds including those of the general formulae SinH2n and SinH2n+2 as well as alkyl- and arylsilanes, to produce soluble silicon polymers as a precursor to silicon films having low carbon content.Type: GrantFiled: November 17, 2011Date of Patent: June 11, 2013Assignee: Kovio, Inc.Inventors: Dmitry Karshtedt, Joerg Rockenberger, Fabio Zürcher, Brent Ridley, Erik Scher
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Patent number: 8455604Abstract: Polysilanes, inks containing the same, and methods for their preparation are disclosed. The polysilane may have the formula H-[(AHR)n(c-AmHpm-2)q]—H, where A is independently Si or Ge; R is H, -AaHa+1Ra, halogen, aryl or substituted aryl; (n+a)?10 if q=0, q?3 if n=0, and (n+q)?6 if both n and q?0; p is 1 or 2; and m is from 3 to 12. The method may include combining a silane compound of the formula AHaR14-a, AkHgR1?h and/or c-AmHpmR1rm with a catalyst of the formula R4xR5yMXz (or an immobilized derivative thereof) to form a poly(aryl)silane; then washing the poly(aryl)silane with an aqueous washing composition and contacting the poly(aryl)silane with an adsorbent to remove the metal M. Alternatively, the method may include halogenating a polyarylsilane and reducing the halopolysilane with a metal hydride to form the polysilane.Type: GrantFiled: July 6, 2012Date of Patent: June 4, 2013Assignee: Kovio, Inc.Inventors: Wenzhuo Guo, Vladimir K. Dioumaev, Joerg Rockenberger, Brent Ridley
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Patent number: 8450442Abstract: A borosiloxane composition comprising a borosiloxane having an average of at least two alkenyl groups per molecule, an organosilicon compound having an average of at least two silicon-bonded hydrogen atoms per molecule, and a hydrosilylation catalyst; a borosiloxane adhesive comprising a cured product of at least one borosiloxane; and a coated substrate and a laminated substrate, each comprising the borosiloxane adhesive.Type: GrantFiled: February 23, 2009Date of Patent: May 28, 2013Assignee: Dow Corning CorporationInventor: Bizhong Zhu
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Publication number: 20130131265Abstract: Disclosed is a curable resin composition which includes a ladder-type silsesquioxane (A) having an aliphatic carbon-carbon double bond in the molecule; a ladder-type silsesquioxane (B) having a Si—H bond in the molecule; and a hydrosilylation catalyst. The curable resin composition is useful as sealants typically for optical semiconductor elements. Also disclosed is a cured article which is obtained by curing the curable resin composition. The curable resin composition can give such a cured article having properties including resistance to elevated temperatures, flexibility, transparency, resistance to thermal yellowing, and resistance to photoyellowing.Type: ApplicationFiled: October 31, 2011Publication date: May 23, 2013Applicant: DAICEL CORPORATIONInventors: Keizo Inoue, Shigeaki Kamuro