Poly (di Organo Siloxane) Reactant Has At Least One Sio Other Than As Si-o Si, E.g., Si-o-c, Or Sioh Group, Etc. Patents (Class 524/863)
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Patent number: 10723914Abstract: A curable formulation containing a metal aprotic organosilanoxide compound of formula (I): {R1—Si(R2)(R3)—[O—Si(R4)(R5)]m—O}n-M1(?L)o(X1)p (I), wherein M1 is a metal atom Al, Ce, Fe, Sn, Ti, V, or Zr, a polymerizable organosilicon compound, an organosilicon crosslinker for crosslinking the polymerizable organosilicon compound, and a silicon-based adhesion promoter. Also included is a cured product of curing the curable formulation; a manufactured article containing or prepared from the curable formulation or cured product; and methods of making and using the foregoing. The cured product may be free-standing or disposed on a substrate.Type: GrantFiled: June 7, 2017Date of Patent: July 28, 2020Assignee: Dow Silicones CorporationInventors: Nanguo Liu, Susan Rhodes, Nick Evan Shephard
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Patent number: 9805855Abstract: A magnetic core has a structure in which Fe-based soft magnetic alloy particles are connected via a grain boundary. The Fe-based soft magnetic alloy particles contain Al, Cr and Si. An oxide layer containing at least Fe, Al, Cr and Si is formed at the grain boundary that connects the neighboring Fe-based soft magnetic alloy particles. The oxide layer contains an amount of Al larger than that in Fe-based soft magnetic alloy particles, and includes a first region in which the ratio of Al is higher than the ratio of each of Fe, Cr and Si to the sum of Fe, Cr, Al and Si, and a second region in which the ratio of Fe is higher than the ratio of each of Al, Cr and Si to the sum of Fe, Cr, Al and Si. The first region is on the Fe-based soft magnetic alloy particle side.Type: GrantFiled: January 14, 2015Date of Patent: October 31, 2017Assignee: HITACHI METALS, LTD.Inventors: Shin Noguchi, Kazunori Nishimura, Toshio Mihara
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Patent number: 9773605Abstract: A magnetic core has a structure in which Fe-based soft magnetic alloy particles are connected via a grain boundary. The Fe-based soft magnetic alloy particles contain Al, Cr and Si. An oxide layer containing at least Fe, Al, Cr and Si is formed at the grain boundary that connects the neighboring Fe-based soft magnetic alloy particles. The oxide layer contains an amount of Al larger than that in Fe-based soft magnetic alloy particles, and includes a first region in which the ratio of Al is higher than the ratio of each of Fe, Cr and Si to the sum of Fe, Cr, Al and Si, and a second region in which the ratio of Fe is higher than the ratio of each of Al, Cr and Si to the sum of Fe, Cr, Al and Si. The first region is on the Fe-based soft magnetic alloy particle side.Type: GrantFiled: January 14, 2015Date of Patent: September 26, 2017Assignee: HITACHI METALS, LTD.Inventors: Shin Noguchi, Kazunori Nishimura, Toshio Mihara
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Patent number: 9734942Abstract: A magnetic core has a structure in which Fe-based soft magnetic alloy particles are connected via a grain boundary. The Fe-based soft magnetic alloy particles contain Al, Cr and Si. An oxide layer containing at least Fe, Al, Cr and Si is formed at the grain boundary that connects the neighboring Fe-based soft magnetic alloy particles. The oxide layer contains an amount of Al larger than that in Fe-based soft magnetic alloy particles, and includes a first region in which the ratio of Al is higher than the ratio of each of Fe, Cr and Si to the sum of Fe, Cr, Al and Si, and a second region in which the ratio of Fe is higher than the ratio of each of Al, Cr and Si to the sum of Fe, Cr, Al and Si. The first region is on the Fe-based soft magnetic alloy particle side.Type: GrantFiled: January 14, 2015Date of Patent: August 15, 2017Assignee: HITACHI METALS, LTD.Inventors: Shin Noguchi, Kazunori Nishimura, Toshio Mihara
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Patent number: 9718926Abstract: A room-temperature-curable organopolysiloxane composition contains as essential components (A) an organopolysiloxane shown by the following general formula (1), (B) an alkoxysilane shown by the following general formula (2) or a partial hydrolysate thereof, (C) a silazane compound shown by the following general formula (3), (D) a bismuth compound shown by the following general formula (4) which is in a liquid state at 20° C., a partial hydrolysate thereof, or both of them, (E) one or more fillers, and (F) a silane coupling agent having amine structure or imine structure, in which the composition satisfies [component (C)/component (B)?1.0]. As a result, a room-temperature-curable organopolysiloxane composition has good curability and storage stability even without containing an organotin compound or an organotitanium compound, has safety in view of toxicity to the human body and environment, and exhibits good rubber physical properties and adhesion after curing.Type: GrantFiled: June 13, 2014Date of Patent: August 1, 2017Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Tadashi Araki
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Patent number: 9341948Abstract: Described herein is a solution-processable composition for preparing a photopatternable material. The solution-processable composition generally includes (a) an oligomeric siloxane component that includes, based on its total weight, between about 40% by weight and about 100% by weight one or more cage-structured polyhedral oligomeric silsesquioxanes that are functionalized with one or more crosslinkable moieties such as cycloaliphatic epoxy moieties, (b) a polymerization initiator; (c) one or more thermosettable polymers that collectively are present in an amount between about 1% by weight and about 20% by weight based on the total weight of the oligomeric siloxane component; and (d) a solvent.Type: GrantFiled: August 25, 2014Date of Patent: May 17, 2016Assignee: Polyera CorporationInventors: Chun Huang, Zhikai Wang, Yu Xia, Meko McCray, Theresa L. Starck, Darwin Scott Bull, Antonio Facchetti, Xiang Yu
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Patent number: 9000103Abstract: A composition of matter comprising an interpenetrating polymer network of a combination of a silanol-containing polysiloxane phase and a silylated triglyceride oil phase. The two phases are mixed and covalently bound to each other via siloxane crosslinks. A method for producing interpenetrating polymer networks. The method comprises providing triglycerides from oils or fats and reacting the triglycerides with a reactive silane to form a silylated triglyceride oil. The silylated triglyceride oil and a silanol terminated polysiloxane are emulsified with water in a predetermined ratio. Thereafter, crosslinking agents are added and the water is removed from the emulsions providing siloxane crosslinks between the two intimately mixed immiscible phases.Type: GrantFiled: August 13, 2013Date of Patent: April 7, 2015Inventors: Ramani Narayan, Daniel Gravier, Sudhanwa Dewasthale, Elodie Halbot
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Patent number: 9000086Abstract: The present invention relates to a thermally curable resin composition for a protective film including an alkoxy group-containing silane-modified epoxy resin as an essential component, a protective film of a color filter prepared from the same, and a liquid crystal display device including the same. The thermally curable resin composition for a protective film of the present invention includes an alkoxy group-containing silane-modified epoxy resin as an essential component to have excellent film strength and adhesive strength, and thus may be effectively used in a protective film of a color filter for a liquid crystal display device.Type: GrantFiled: July 12, 2011Date of Patent: April 7, 2015Assignee: LG Chem, Ltd.Inventors: Soon Chun Mok, Seung Hee Lee, Jong Hwi Hwang, Beom Su Park, Sung Hyun Kim
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Patent number: 8957153Abstract: A room-temperature-curable silicone rubber composition comprises: (A) an organopolysiloxane having on silicon atoms in the molecular chain in one molecule at least two specific alkoxysilyl-containing groups; (B) an organopolysiloxane having on silicon atom in the molecular chain neither a hydroxyl group nor an alkoxy group; (C) an alkoxysilane or its partial hydrolysis and condensation product; (D) a condensation reaction catalyst; and optionally comprises (E) an adhesion promoter and/or (F) a reinforcing filler. The composition cures at room temperature due to contact with atmospheric moisture and exhibits an excellent adhesiveness to substrate in contact with the composition during the cure of the composition.Type: GrantFiled: March 28, 2012Date of Patent: February 17, 2015Assignee: Dow Corning Toray Co., Ltd.Inventors: Harumi Kodama, Masayuki Onishi
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Publication number: 20140205951Abstract: A thermal crosslinking accelerator of a polysiloxane compound is shown by the following general formula (A-1), wherein R11, R12, R13, and R14 each represents a hydrogen atom, a halogen atom, a linear, a branched, a cyclic alkyl group having 1 to 20 carbon atoms, an optionally substituted aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, wherein some or all of the hydrogen atoms in these groups may be substituted by an alkoxy group. “a”, “b”, “c”, and “d” represent an integer of 0 to 5; in the case that “a”, “b”, “c”, and “d” are 2 or more, R11, R12, R13, and R14 may form a cyclic structure.Type: ApplicationFiled: December 27, 2013Publication date: July 24, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tsutomu OGIHARA, Yusuke BIYAJIMA, Hiroyuki URANO
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Publication number: 20140066570Abstract: A room-temperature-curable silicone rubber composition comprises: (A) an organopolysiloxane having on silicon atoms in the molecular chain in one molecule at least two specific alkoxysilyl-containing groups; (B) an organopolysiloxane having on silicon atom in the molecular chain neither a hydroxyl group nor an alkoxy group; (C) an alkoxysilane or its partial hydrolysis and condensation product; (D) a condensation reaction catalyst; and optionally comprises (E) an adhesion promoter and/or (F) a re-inforcing filler. The composition cures at room temperature due to contact with atmospheric moisture and exhibits an excellent adhesiveness to substrate in contact with the composition during the cure of the composition.Type: ApplicationFiled: March 28, 2012Publication date: March 6, 2014Applicant: Dow Corning Toray Co., Ltd.Inventors: Harumi Kodama, Masayuki Onishi
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Patent number: 8530617Abstract: A process for producing silicon-containing particles having an extremely small particle diameter by a simple process without using surface-active agents or the like. The process is characterized by forming silicon-containing particles as a result of phase separation from an organic polymer, wherein the phase separation is achieved by an addition reaction, condensation reaction, ring-opening reaction, or a radical reaction of a curable silicon-containing compound or a curable composition that contains said compound, and the silicon-containing compound or the composition is maintained in a uniform liquid, fused, or dissolved phase with the organic polymer that is free of silicon and does not participate in the curing reaction of the silicon-containing compound or the composition.Type: GrantFiled: January 23, 2009Date of Patent: September 10, 2013Assignee: Dow Corning Toray Company, Ltd.Inventor: Yukinari Harimoto
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Patent number: 8372385Abstract: An antifouling condensation curing organopolysiloxane composition is prepared by premixing a part or all of (A) a diorganopolysiloxane free of a reactive group with a part or all of (B) silica to form a premix, then mixing the premix with the remainder of (A) and (B), (C) a base diorganopolysiloxane, and (D) a silane. The composition has a good balance of low viscosity and high thixotropy, can be thickly coated in a single pass, and cures into a coating having rubber strength and surface smoothness and exhibiting satisfactory antifouling property over a long period of time.Type: GrantFiled: October 10, 2008Date of Patent: February 12, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Takafumi Sakamoto, Tokuo Sato
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Patent number: 8343632Abstract: The present invention relates to curable alkenyl based silicone release coating compositions having improved adhesion to paper and polymeric substrates. Furthermore the present invention relates to the process for making a silicone release coating with improved adhesion to paper and polymeric substrates.Type: GrantFiled: October 19, 2010Date of Patent: January 1, 2013Assignee: Momentive Performance Materials Inc.Inventors: Roy Melvin Griswold, Richard Paul Eckberg, Slawomir Rubinsztajn, Stanislaw Slomkowski, Anna Kowalewska, Stanislaw Sosnowski
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Patent number: 8129468Abstract: The disclosure is directed to a sterilized medical device including a non-polymerized blend including a silicone matrix material and a radiation resistant component.Type: GrantFiled: March 1, 2011Date of Patent: March 6, 2012Assignee: Saint-Gobain Performance Plastics CorporationInventor: Mark W. Simon
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Patent number: 8044121Abstract: A cement mold-making silicone rubber composition is provided comprising (A) 100 parts by weight of a polyorganosiloxane having at least two silicon-bonded monovalent aliphatic unsaturated hydrocarbon groups in a molecule, (B) a polyorganohydrogensiloxane having at least three silicon-bonded hydrogen atoms in a molecule, in such an amount as to provide 0.1-5 silicon-bonded hydrogen atoms per monovalent aliphatic unsaturated hydrocarbon group in component (A), (C) a platinum base compound in such an amount as to provide 1-100 ppm of platinum atoms based on the weight of component (A), (D) 5-60 parts by weight of finely divided silica having a specific surface area of at least 50 m2/g, and (E) 0.1-100 parts by weight of coal ash and/or pozzolan powder.Type: GrantFiled: June 25, 2008Date of Patent: October 25, 2011Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hiroshi Mogi, Susumu Sekiguchi, Thomas Tupa
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Patent number: 7994246Abstract: A curable silicone composition comprising at least the following components: (A) an epoxy-containing organopolysiloxane; (B) a curing agent for epoxy resin; and (C) an epoxy compound represented by the specific general formula; is characterized by excellent handleability and reduced oil-bleeding, and, when cured, forms a cured body of excellent flexibility and adhesion.Type: GrantFiled: December 14, 2007Date of Patent: August 9, 2011Assignee: Dow Corning Toray Company, Ltd.Inventors: Yoshitsugu Morita, Tomoko Kato
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Patent number: 7943697Abstract: The disclosure is directed to a sterilized medical device including a non-polymerized blend including a silicone matrix material and a radiation resistant component.Type: GrantFiled: July 11, 2005Date of Patent: May 17, 2011Assignee: Saint-Gobain Performance Plastics CorporationInventor: Mark W. Simon
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Patent number: 7939014Abstract: The disclosure is directed to a method of treating a medical device. The method includes providing the medical device. The medical device has an opening defined by two contacting surfaces in a polyalkylsiloxane based portion of the medical device. The method further includes irradiating the medical device free of externally applied lubricant to sterilize the medical device.Type: GrantFiled: July 11, 2005Date of Patent: May 10, 2011Assignee: Saint-Gobain Performance Plastics CorporationInventor: Mark W. Simon
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Publication number: 20100324210Abstract: It is to provide a solution for forming an organic metal thin film that can form rapidly a dense monomolecular film with less impurity. A solution for forming an organic thin film comprising (A) at least one organic metal compound shown by the following formula (I) (provided that at least one organic metal compound contains a hydroxyl group); and (B) at least one organic metal compound shown by the following formula (II), R3mM2X54-m??(II) wherein the solution is 40?[(A)/{(A)+(B)}]×100?100 (mass %), and 0?[(B)/{(A)+(B)}]×100?60 (mass %); or a solution for forming an organic thin film comprising an organic metal compound having at least one hydroxyl group and at least one hydrolysable group among the organic metal compounds shown by the following formula (I); or a solution for forming an organic thin film wherein the mass ratio of trimer with respect to dimer is greater than 0.5 among the metal organic compound shown by formula (I).Type: ApplicationFiled: February 23, 2009Publication date: December 23, 2010Applicant: NIPPON SODA CO., LTD.Inventors: Tomoya Hidaka, Toshiaki Takahashi, Kazuhisa Kumazawa
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Patent number: 7803868Abstract: Addition-crosslinkable silicone compositions contain (A) 100 parts by weight of polydiorganosiloxane(s) which has alkenyl groups and whose viscosity is from 5000 to 50,000,000 mPas at 25° C., having at least 2 alkenyl groups per molecule, and at least 0.15 mol % of alkenylsiloxane units, based on all siloxane units, (B) from 1 to 50 parts by weight of polydiorganosiloxane(s) whose viscosity is at least 5,000,000 mPas at 25° C., and having no alkenyl groups, (C) SiH-functional crosslinking agent(s), (D) hydrosilylation catalyst(s), and (E) from 3 to 90 parts by weight of filler(s) whose BET specific surface area is at least 50 m2/g. Vulcanizates of the addition-crosslinkable silicone compositions have low coefficients of friction.Type: GrantFiled: February 6, 2008Date of Patent: September 28, 2010Assignee: Wacker Chemie AGInventors: Christof Woerner, Willi Primas
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Patent number: 7754829Abstract: RTV organopolysiloxane compositions are provided comprising (A) an organosiloxane polymer comprising R3SiO1/2 units and SiO4/2 units in a molar ratio of 0.6-1.2 wherein R is a monovalent C1-C6 hydrocarbon, and having a hydroxysilyl content of less than 0.04 mole/100 g, (B) a polysiloxane having a hydrolyzable silyl group incorporated in the molecular chain via an alkylene linkage, and (C) a cure catalyst. The compositions have a low viscosity and good workability when heated, develop initial adhesion when allowed to cool after application, and thereafter cure at room temperature and induce crosslinking reaction, affording improved rubber physical properties.Type: GrantFiled: April 17, 2006Date of Patent: July 13, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Tsuneo Kimura
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Patent number: 7727635Abstract: A coating composition that is capable of forming a coating film that combines abrasion resistance and crack resistance. The composition comprises: (A) a silicone resin obtained by hydrolysis and condensation of an alkoxysilane that includes an alkoxysilane represented by a general formula (1): (R1)mSi(OR2)4-m??(1) (wherein, R1 represents a hydrogen atom, or a substituted or unsubstituted monovalent hydrocarbon group, R2 represents an alkyl group of 1 to 3 carbon atoms, and m represents either 0 or 1), (B) hydrophobic silica microparticles, (C) a curing catalyst, and (D) a solvent.Type: GrantFiled: May 27, 2008Date of Patent: June 1, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masahiro Furuya, Muneo Kudo
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Patent number: 7619043Abstract: Defoaming compositions employing organopolysiloxanes bearing aryl radicals exhibit surprising efficiency relative to their alkyl counterparts.Type: GrantFiled: August 4, 2005Date of Patent: November 17, 2009Assignee: Wacker Chemie AGInventors: Holger Rautschek, Richard Becker, Willibald Burger
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Publication number: 20090215944Abstract: A method of making a diluted polysiloxane containing polymer comprising the steps of:— i) Preparing a polysiloxane containing polymer by the polycondensation of siloxane containing monomers and/or oligomers which comprise condensable groups in the presence of an organopolysiloxane and/or an organic based diluent material, a suitable catalyst and optionally an end-blocking agent; and ii) Where required quenching the polymerisation process; wherein the diluent material is substantially retained within the resulting diluted organopolysiloxane.Type: ApplicationFiled: April 3, 2006Publication date: August 27, 2009Inventors: Isabelle Maton, Guiseppina Lavinaro, Jean Willieme, Thierry Dessilly, Tommy Detemmerman, Robert Drake
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Patent number: 7575655Abstract: A primer composition for silicone rubbers, in particular for addition-crosslinking silicone rubbers, comprises a tetraalkoxysilane and/or partial hydrolysate thereof, a metal salt, alkoxide, or chelate and/or partial hydrolysate thereof, a silicone resin, and from 50-95% by weight of solvent. The primer provides excellent adhesion between silicone rubber and numerous substrates.Type: GrantFiled: March 16, 2006Date of Patent: August 18, 2009Assignee: Wacker Chemie AGInventors: Arvid Kuhn, Erich Pilzweger
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Patent number: 7541405Abstract: Aqueous dispersions preparable using (A) an organic compound selected from the group consisting of organosilicon compounds, polyurethanes and their precursor compounds such as polyols and polyisocyanates, crosslinked (poly)epoxides and their precursor compounds such as noncrosslinked and partly crosslinked (poly)epoxides, (poly)amines, (poly)amidoamines, (poly)mercaptans, (poly)carboxylic acids, (poly)carboxylic anhydrides, acrylates and their precursor compounds, and polysulfide-forming polymers, (B) particles partially wettable with water, (C) water and further substances if desired.Type: GrantFiled: October 21, 2004Date of Patent: June 2, 2009Inventors: Torsten Gottschalk-Gaudig, Herbert Barthel, Uwe Scheim
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Publication number: 20090030150Abstract: The present invention relates to a composition designed to be a release agent applied to the surface of a molding apparatus and method of using the composition in molding operations. The composition includes a siloxane composition, hydrophilic matting particles, a cross linking agent, a binding agent having hydrophobic and hydrophilic characteristics. The composition may optionally include a carrier. The composition is designed to be applied to the surface of a mold, allowing for repeated use without the need for re-applying the composition between uses.Type: ApplicationFiled: July 26, 2007Publication date: January 29, 2009Applicant: Henkel CorporationInventors: Zheng Lu, Zhixiang Lu
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Patent number: 7482062Abstract: Silicone coating compositions comprising a silicone resin which is obtained by cohydrolytic condensation of (A) an organosilicon compound, and (B) an alkoxysilane and/or (C) a fluorine-containing organosilicon compound form mar resistant surface-protecting films having a hardness, flexibility, crack resistance and weather resistance.Type: GrantFiled: October 18, 2005Date of Patent: January 27, 2009Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Koichi Higuchi, Masaaki Yamaya
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Patent number: 7307122Abstract: A silicone rubber coating composition which cures into a silicone rubber having a tear strength of 25-50 kN/m and a peeling bond strength of 30-60 N/cm is suited for coating of hollow weave type air bags. A hollow weave type air bag coated with the coating composition can be instantaneously inflated while the bag prevents the silicone rubber film from being peeled from the base fabric, eliminates inflating gas leakage, and retains an acceptable inflation time.Type: GrantFiled: June 27, 2005Date of Patent: December 11, 2007Assignee: Shin-Estu Chemical Co., Ltd.Inventors: Masayuki Ikeno, Atsushi Yaginuma, Syuichi Azechi, Takeshi Miyao
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Patent number: 7300648Abstract: A polyorganosiloxane emulsion composition characterized by comprising (A) a polyorganosiloxane, (B) an N-acylalkyl taurine and/or a salt thereof, and (C) water, the content of cyclic organosiloxane oligomers in said component (A) being within 3.5 wt. %, and a cosmetic raw material characterized by consisting of said polyorganosiloxane emulsion composition. The emulsion composition is characterized by superior cosmetic functionality in terms of moisture and smoothness.Type: GrantFiled: April 25, 2002Date of Patent: November 27, 2007Assignee: Dowecorning Toray Silicone, Co., Ltd.Inventors: Tadashi Hamachi, Masaru Ozaki, Hidefumi Tanaka
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Publication number: 20070203316Abstract: Zinc compound is added as a curing catalyst to an emulsion composition comprising an organopolysiloxane end-blocked with a hydroxyl or alkoxy group and an aminoalkyl group, both bonded to a silicon atom, an organotrialkoxysilane or tetraalkoxysilane, and a surfactant. The silicone emulsion composition can form a cured film briefly without a need for tin compounds.Type: ApplicationFiled: February 6, 2007Publication date: August 30, 2007Applicant: Shin-Etsu Chemical Co., Ltd.Inventor: Yoshinori INOKUCHI
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Patent number: 7090923Abstract: The present invention relates to curable alkenyl based silicone release coating compositions having improved adhesion to paper and polymeric substrates. Furthermore the present invention relates to the process for making a silicone release coating with improved adhesion to paper and polymeric substrates.Type: GrantFiled: February 12, 2003Date of Patent: August 15, 2006Assignee: General Electric CorporationInventors: Roy Melvin Griswold, Richard Paul Eckberg, Slawomir Rubinsztajn, Stanislaw Slomkowski, Anna Kowalewska, Stanislaw Sosnowski
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Patent number: 7059627Abstract: A silicone rubber coating composition which cures into a silicone rubber having a tear strength of 25–50 kN/m and a peeling bond strength of 30–60 N/cm is suited for coating of hollow weave type air bags. A hollow weave type air bag coated with the coating composition can be instantaneously inflated while the bag prevents the silicone rubber film from being peeled from the base fabric, eliminates inflating gas leakage, and retains an acceptable inflation time.Type: GrantFiled: May 7, 2003Date of Patent: June 13, 2006Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masayuki Ikeno, Atsushi Yaginuma, Syuichi Azechi, Takeshi Miyao
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Patent number: 7052770Abstract: A hardcoat composition comprising (A) a hydrolytic condensate of a hydrolyzable silicon compound of formula: R1aSiX(4-a) with at least 1 mole of water per mole of hydrolyzable group X, (B) a metal oxide, (C) a siloxane resin of formula: R2bSi(OR3)c(OH)dO(4-b-c-d)/2 and having a Mw of at least 2,000, which is solid at a temperature of not higher than 40° C., and (D) a curing catalyst forms a hardcoat film having satisfactory hardness, transparency and adhesion as well as improved weather resistance and presenting a surface that is repellent to marker ink.Type: GrantFiled: June 16, 2003Date of Patent: May 30, 2006Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masahiro Furuya, Koichi Higuchi, Kazuharu Sato, Kazuyuki Matsumura, Masaaki Yamaya
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Patent number: 7049384Abstract: The present invention relates to polysiloxane compositions which cross-link by condensation and contain at least one cross-linkable polysiloxane, at least one basic filler, at least one phosphorus compound, at least one alkoxysilane cross-linking agent, at least one organometallic compound and optionally other auxiliary substances, a process for their production and their use, as well as surface-modified fillers and their use.Type: GrantFiled: March 1, 1996Date of Patent: May 23, 2006Assignee: GE Bayer Silicones GmbH & Co. KGInventors: Robert Friebe, Wilhelm Weber, Karl-Heinz Sockel
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Patent number: 7005475Abstract: The present invention relates to curable silicone coating compositions having improved adhesion to polymeric substrates. The present invention also relates to additives that improve adhesion of silicone pressure sensitive adhesive coating compositions to polymeric substrates. Furthermore the present invention relates to the process for making a silicone pressure sensitive adhesive coating with improved adhesion to polymeric substrates.Type: GrantFiled: June 10, 2003Date of Patent: February 28, 2006Assignee: General Electric CompanyInventor: Roy Melvin Griswold
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Patent number: 6916507Abstract: An aqueous water repellent useful in the treatment of substrates of lignocellulose-origin materials or the like is characterized by comprising the product of co-hydrolytic condensation of (A) 100 parts by weight of an organosilicon compound having the formula: (R1)a(OR2)bSiO(4-a-b)/2??(1) wherein R1 is alkyl, R2 is alkyl, 0.75?a?1.5, 0.2?b?3 and 0.9<a+b?4, and (B) 0.5-49 parts by weight of an amino-containing alkoxysilane having the formula: R3R4NR5—SiR6n(OR2)3-n??(2) wherein R3 and R4 are H or alkyl or aminoalkyl, R5 is a divalent hydrocarbon group, R6 is alkyl, and n is 0 or 1, or a partial hydrolyzate thereof in the presence of an organic acid or inorganic acid.Type: GrantFiled: June 20, 2003Date of Patent: July 12, 2005Assignees: Shin-Etsu Chemical Co., Ltd., Sumitomo Forestry Co., Ltd.Inventors: Kazuyuki Matsumura, Akira Yamamoto, Hisayoshi Suda, Kenichi Kadota
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Patent number: 6908647Abstract: An anti-reflection film, having a low-refractive-index layer formed by hardening a composition, the composition containing a polysiloxane compound having a reactive organic functional group represented by formula 1, and a perfluoroolefin copolymer: wherein R1, R2, R3 and R4 each are a substituent having 1 to 20 carbon atoms; R1s, R2s, R3s or R4s each are the same or different; at least one of R1, R3 and R4 is the reactive organic functional group; x is an integer of 1?x?4; y is an integer of 10?y?500; z is an integer of 0?z?500; and the polysiloxane compound may be a random or block copolymer.Type: GrantFiled: May 7, 2003Date of Patent: June 21, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Tatsuhiko Obayashi, Takafumi Hosokawa
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Patent number: 6884660Abstract: The present invention relates to a thermoconducting silicone composition having a viscosity at 25° C. before curing of 10-1,000 Pa·s, a method of installing the composition, and a heat dissipating structure comprising the silicone composition.Type: GrantFiled: December 11, 2002Date of Patent: April 26, 2005Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hiroaki Tetsuka, Kunihiro Yamada, Kunihiko Mita
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Patent number: 6838499Abstract: A curable composition comprising a liquid base polymer, a silicone elastomer powder, and a crosslinking agent is in putty form prior to curing, tack-free to the hand, easy to work, and adherent.Type: GrantFiled: February 19, 2003Date of Patent: January 4, 2005Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Tsuneo Kimura
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Patent number: 6803409Abstract: An organopolysiloxane copolymer, comprising (i) R1SiO3/2 units, (ii) random R22SiO2/2 units, and (iii) linear (R32SiO)n units, wherein R1 is independently hydrocarbyl or halogen-substituted hydrocarbyl, R2 and R3 are independently R1 or H, n has an average value of from 5 to 500, the mole ratio of R1SiO3/2 units to R22SiO2/2 units is from 1 to 30, and the mole ratio of R1SiO3/2 units and R22SiO2/2 units combined to (R32SiO)n units is from 3 to 600 when the copolymer contains aliphatic unsaturation or from 1 to 600 when the copolymer is free of aliphatic unsaturation; and a method of preparing the organopolysiloxane copolymer.Type: GrantFiled: May 29, 2002Date of Patent: October 12, 2004Inventors: John Robert Keryk, Dimitris Elias Katsoulis, Katsuya Eguchi
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Patent number: 6774179Abstract: This invention pertains to silicone core-shell or gel particles that contain active ingredients. The silicone particles are produced by emulsifying and reacting a composition comprising a siloxane have a first reactive group, a crosslinker having a second reactive group, at least one emulsion liquid, a surfactant and an active ingredient. The active ingredient is encapsulated in the silicone particle and are useful in personal care products, textiles, auto care products, and laundry products for the delivery of active ingredients.Type: GrantFiled: December 13, 2001Date of Patent: August 10, 2004Assignee: Dow Corning CorporationInventors: Michael Salvatore Ferritto, Zuchen Lin, Janet Mary Smith
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Patent number: 6716908Abstract: There are disclosed alkoxysilyl functional silicone based materials that are thermodynamically stable, methods for making them and their uses. The methods comprise cross-linking of reactants that are dispersed in a diluent.Type: GrantFiled: January 30, 2002Date of Patent: April 6, 2004Assignee: Dow Corning CorporationInventors: Arnold Wade Lomas, William James Schulz, Jr.
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Patent number: 6699586Abstract: Organosilicon nano/microhybrid systems or microhybrid systems having nanoscale and/or microscale oxide particles (KA—O), and an organosilicon shell with at least one organosilicon constituent of the general formula Ia wherein the organosilicon constituent of the shell B is attached to the oxide particles via one or more covalent linkages of formula Ib A process for preparing a composition comprising organosilicon nano/microhybrid systems or microhybrid systems directly in a synthetic resin composition allows in situ preparation of a curable resin. The compositions may be used as coating materials for producing scratch resistant and abrasion resistant coatings.Type: GrantFiled: March 29, 2002Date of Patent: March 2, 2004Assignee: Degussa AGInventors: Roland Edelmann, Jaroslaw Monkiewicz, Reiner Mehnert, Hans-Jürgen Gläsel, Helmut Langguth
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Patent number: 6635735Abstract: A coating composition having (A) an alcohol dispersion which includes silica having the hydrophobic surface and dispersed in an alcohol dispersion medium, the content of silica in a solid substance being 80% by weight or more; (B) a solution including a silicone oligomer which is obtained by a reaction of an alkoxysilane with water and has an average structural unit represented by R1nSiOx/2(OH)y (OR2)z (R1 representing an alkyl group, phenyl group or vinyl group, R2 representing an alkyl group and n, x, y and z representing numbers satisfying relations: 0.8≦n≦1.7, 2<x<3.2, y>0, z>0 and y+z=4−n−x); and (C) a curing agent. The coating composition exhibits excellent storage stability after the curing agent is added, suppresses aggregation of fine silica particles in spray coating and provides coating films having a high hardness and exhibiting excellent weatherability, water resistance, chemical resistance and adhesion.Type: GrantFiled: December 17, 2001Date of Patent: October 21, 2003Assignee: Nihon Yamamura Glass Co., Ltd.Inventors: Zuyi Zhang, Hajimu Wakabayashi
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Patent number: 6613441Abstract: The present invention relates to mixtures prepared from (A) at least one linear, branched, or cyclic monomeric organosilane having at least two silicon atoms with hydrolyzable and/or condensation-crosslinking groups in which the silicon atoms are bonded to one another through at least one carbon atom in a linking unit, and (B) at least one boron- and/or aluminum-containing compound having the formula (I) RxM(OR′)3-x (I) wherein M is Al or B, x is 0, 1, or 2, R is C1-C6-alkyl, C6-C12-aryl, or (O)1/2, with the proviso that if R is (O)1/2, then the compound of the formula (I) is a chain when x is 1 and a cyclic or cage-form compound when x is 2, and each R′ is independently H, C1-C10-alkyl, or C6-C12-aryl. The invention further relates to hybrid materials prepared from such mixtures and to coatings produced therefrom.Type: GrantFiled: October 23, 2001Date of Patent: September 2, 2003Assignee: Bayer AktiengesellschaftInventors: Michael Mager, Steffen Hofacker
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Patent number: 6602964Abstract: Disclosed herein is a composition comprising: A) a moisture curable polymer selected from the group consisting of silylated polyurethanes, silylated polyethers, and mixtures thereof, and B) a silicone oligomer of the formula: [R3SiO1/2]m[O1/2Si(R)2O1/2]n[SiO3/2R]o[SiO4/2]p (I) wherein: each R is independently selected from the group consisting of B, R1, —OR2, R3, and R4; B is an organosilyl functional group bridged to the Si atom of the siloxane oligomer backbone by a Si—C bond; each R1 is independently a saturated or aromatic hydrocarbon group of 1 to 16 carbon atoms; each R2 is independently a group as defined for R1 or an acyl group; each R3 is independently a monovalent organic group containing an aliphatic unsaturated hydrocarbon group; each R4 is a monovalent organic group linked to the Si atom of the siloxane oligomer backbone by a Si—C bond that does not include an aliphatic unsaturated hydrocarbon group and that has thereType: GrantFiled: February 4, 2002Date of Patent: August 5, 2003Assignee: Crompton CorporationInventors: Misty Huang, Richard E. Handel, Herbert Petty
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Patent number: 6599633Abstract: A silicone composition comprising a polymer having siloxane units and two or more silicon bonded hydroxyl or hydrolyzable groups per molecule; a crosslinker; an extender material which is either an alkyl substituted aryl compound such as a heavy alkylate, or a alkylcycloaliphatic compound; and a u.v. light stabilizer comprising a benzotriazole moiety. These compositions are useful, for example as room temperature vulcanizable sealants. They retain color clarity or transparency, even on ageing.Type: GrantFiled: October 9, 2001Date of Patent: July 29, 2003Assignee: Dow Corning S.A.Inventors: Andreas Wolf, Andreas Stammer, Robert Dandois
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Patent number: 6569536Abstract: A thermoconductive liquid silicone rubber composition is provided for fixing rolls. The composition is capable of producing silicone rubber of superior thermal conductivity and small compression set after curing. The thermoconductive liquid silicone rubber composition contains (A) a diorganopolysiloxane with at least two silicon bonded alkenyl groups per molecule, (B) an alumina powder with an average particle size not more than 10 &mgr;m and an ignition loss of not more than 0.15 weight percent, (C) an organohydrogenpolysiloxane having at least two silicon bonded hydrogen atoms per molecule, and (D) a platinum catalyst. Fluororesin coated fixing rolls can be fabricated by providing a fluororesin layer on the peripheral surface of a roll shaft, with the silicone rubber layer interposed between it and the surface.Type: GrantFiled: July 24, 2001Date of Patent: May 27, 2003Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Yuichi Tsuji, Hiroaki Yoshida, Yutaka Oka