Si-c, Si-h Contains Dnrm, Metal-c Or Metal-h Bond Or Organic Compound Containing Si Patents (Class 524/730)
Diorgano siloxane contains units of -((r)si(r)-o-)* where * is subscript two or more (Class 524/731)
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Publication number: 20100256297Abstract: The present invention provides a method for tinting an optical substrate. The method includes the steps of applying a coating composition containing: a polymerisable monomer having a polyoxyalkylene backbone containing at least four contiguous oxyalkylene units, and an abrasion resistant agent and/or a high crosslinking polymerisable monomer to the optical substrate, polymerising the coating composition to form an abrasion resistant coating layer, and introducing a tinting compound into the coating layer to thereby tint the optical substrate. The invention also provides a coating composition and an optical substrate that is tinted according to the method of the invention.Type: ApplicationFiled: June 17, 2010Publication date: October 7, 2010Applicant: CARL ZEISS VISION AUSTRALIA HOLDINGS LIMITEDInventor: David Robert DIGGINS
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Patent number: 7807219Abstract: A process of repairing a plasma etched low-k dielectric material having surface-bound silanol groups includes exposing at least one surface of the dielectric material to (a) a catalyst so as to form hydrogen bonds between the catalyst and the surface-bound silanol groups obtaining a catalytic intermediary that reacts with the silane capping agent so as to form surface-bound silane compounds, or (b) a solution comprising a supercritical solvent, a catalyst, and a silane capping agent so as to form hydrogen bonds between a catalyst and the surface-bound silanol groups obtaining a catalytic intermediary that reacts with the silane capping agent so as to form surface-bound silane compounds. Horizontal networks can be formed between adjacent surface-bound silane compounds.Type: GrantFiled: June 27, 2006Date of Patent: October 5, 2010Assignee: Lam Research CorporationInventor: James DeYoung
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Patent number: 7777335Abstract: A wiring structure having a wiring-terminal-connection adhesive that includes a curing agent capable of generating a free radical upon heating, a radically polymerizable substance and silicone particles.Type: GrantFiled: March 9, 2005Date of Patent: August 17, 2010Assignee: Hitachi Chemical Company, Ltd.Inventors: Motohiro Arifuku, Itsuo Watanabe, Kouji Motomura, Kouji Kobayashi, Yasushi Gotoh, Tohru Fujinawa
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Patent number: 7723401Abstract: This invention relates to a process for making foundry shapes (e.g. cores and molds) using epoxy-acrylate cold-box binders containing an oxidizing agent and elevated levels of an organofunctional silane, which are cured in the presence of sulfur dioxide, and to a process for casting metals using the foundry shapes. The metal parts have fewer casting defects because the foundry shapes made with the binder are more resistant to erosion.Type: GrantFiled: July 5, 2007Date of Patent: May 25, 2010Assignee: Ashland Licensing and Intellectual Property, LLCInventors: Xianping Wang, H. Randall Shriver, Jorg Kroker
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Patent number: 7718723Abstract: A curable fluoropolyether rubber composition comprising (A) a straight-chain fluoropolyether compound having at least two alkenyl groups and a perfluoropolyether structure, (B) an organosilicon compound having at least two SiH groups, (C) an organosilicon compound having a silanol group and a melting point of at least 60° C., and (D) a hydrosilylation catalyst has advantages of little viscosity buildup and improved mold release and cures into a product that exhibits heat resistance, chemical resistance, water repellency, and oil repellency.Type: GrantFiled: April 20, 2006Date of Patent: May 18, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Shinichi Sato
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Patent number: 7601780Abstract: The invention provides a treated powder having improved loose bulk density comprising a silanized inorganic powder treated with a long chain fatty acid or salts thereof, wherein the amount of the long chain fatty acid is about 0.25% to about 2 wt %, based on the total weight of the treated powder.Type: GrantFiled: July 13, 2006Date of Patent: October 13, 2009Assignee: E.I. du Pont de Nemours and CompanyInventors: Timothy Allan Bell, Joy Sawyer Bloom
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Patent number: 7589132Abstract: A dental restorative composition comprises a resin composition comprising a low shrinkage, polymerizable oligomer contains units of the structure: AB??(I) wherein A is an organic radical having 1 to about 6 (meth)acrylate groups and 0 to about 5 hydroxy groups; B is an organic radical having 1 to about 5 epoxide groups, and wherein A and B are linked through the reaction of an epoxide and a hydroxy group; and a filler composition comprising a polyhedral silsequioxane and a sol-derived filler. These polymerizable dental composites may be used for a variety of dental materials, treatments, and restorative functions, including crown and bridge materials, fillings, adhesives, sealants, luting agents or cements, denture base materials, orthodontic materials and sealants, and other dental restorative materials.Type: GrantFiled: June 13, 2005Date of Patent: September 15, 2009Assignee: Pentron Clinical Technologies, LLCInventors: Weitao Jia, Shuhua Jin
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Patent number: 7470728Abstract: A polymerizable dental glaze, comprising: a polymerizable, ethylenically unsaturated resin composition; a filler composition consisting essentially of a polyhedral oligomeric silsesquioxane filler; and a curing system. These polymerizable dental glazes may be used for temporary or permanent dental restorations.Type: GrantFiled: November 29, 2005Date of Patent: December 30, 2008Assignee: Pentron Clinical Technologies LLCInventors: Weitao Jia, Shuhua Jin
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Publication number: 20080306209Abstract: The invention relates to a process for producing a water-absorbing resin by polymerization of a reaction mixture comprising at least one hydrophilic monomer and, if appropriate, at least one crosslinker in a reactor, which comprises admixing the reaction mixture with at least one first portion of a particulate additive before the reaction mixture has reached a residence time of 40% of the overall residence time in the reactor and with at least one second portion of a particulate additive when the reaction mixture has reached a residence time of 45% or more of the overall residence time in the reactor, the additive being selected from water-absorbing resin powders, fillers and mixtures thereof, the total solids content of monomer and additive being in the range from 30% to 60% by weight, the amount of additive being in the range from 5% to 50% by weight, based on the monomers, and the weight ratio of the first portion to the second portion of the additive being in the range from 10:1 to 1:5.Type: ApplicationFiled: December 28, 2006Publication date: December 11, 2008Inventors: Uwe Stueven, Rudiger Funk, Matthias Weismantel, Thomas Daniel, Annemarie Hillebrecht, Dominicus van Esbroeck, Karl J. Possemiers
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Publication number: 20080145545Abstract: Disclosed herein are high refractive index coating compositions containing a functionalized metal oxide nanoparticle and sulfur-containing polymerizable components. The composition can be prepared into optical articles via curing processes.Type: ApplicationFiled: December 15, 2006Publication date: June 19, 2008Inventors: Bret Ja Chisholm, James Edward Pickett
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Patent number: 7250461Abstract: Organic compositions of conductive polymers are provided. The compositions have at least one polymer selected from polypyrrole, polythiophene, or combinations and at least one colloid-forming polymeric acid dispersed in a liquid medium that is at least 60% by weight at least one organic liquid. Also provided is a method of making such compositions.Type: GrantFiled: March 17, 2004Date of Patent: July 31, 2007Assignees: E. I. du Pont de Nemours and Company, DuPont Displays, Inc.Inventors: Che-Hsiung Hsu, Charles Douglas Macpherson, Hjalti Skulason
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Patent number: 7241644Abstract: This invention provides a wiring-terminal-connecting adhesive comprising a curing agent capable of generating a free radical upon heating, a radically polymerizable substance and silicone particles, and a wiring-terminal-connecting method and a wiring structure which make use of such an adhesive.Type: GrantFiled: March 9, 2005Date of Patent: July 10, 2007Assignee: Hitachi Chemical Company, Ltd.Inventors: Motohiro Arifuku, Itsuo Watanabe, Kouji Motomura, Kouji Kobayashi, Yasushi Gotoh, Tohru Fujinawa
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Patent number: 7160941Abstract: A dental composite material that comprises a polyhedral oligomeric silsesquioxane is disclosed. The dental composite material is useful for a variety of dental materials, treatments, and restorative functions including crown and bridge materials, fillings, adhesives, sealants, luting agents or cements, denture base materials, orthodontic materials and sealants, and other dental restorative materials.Type: GrantFiled: September 19, 2003Date of Patent: January 9, 2007Assignee: Pentron Clinical Technologies, LLCInventors: Shuhua Jin, Weitao Jia
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Patent number: 7153573Abstract: The invention provides a polymer composite particle having superb blending stability even in a W/O emulsion cosmetic, a highly effective ultraviolet protection effect and a good feeling in use. The invention also relates to a method of producing the polymer composite particle and a cosmetic composition containing the polymer composite particle. A preferred polymer composite particle contains a metal oxide coated with a silicone and/or fluorine compound and has an average particle diameter of 1 ?m or less, wherein the polymer composite particle is obtained by polymerizing a crosslinking agent with a vinyl monomer contained in an amount of 25% by weight based on 100% by weight of the sum of total of all the monomers and crosslinking agent and wherein the vinyl monomer has a solubility parameter calculated by the Fedors method of less than about 8.9. A preferred cosmetic composition may contain (A) a microparticle metal oxide having an average primary particle diameter of from 0.001 to 0.Type: GrantFiled: July 31, 2003Date of Patent: December 26, 2006Assignee: Kao CorporationInventors: Makoto Tsuji, Hiromi Nambu, Makoto Inoue, Satoshi Sugawara, Yukio Inomata
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Patent number: 7138179Abstract: Disclosed is a method for preparing a biodegradable polymer in the form of uniform powder or spherical particles by dispersion polymerization without a grinding step. The method for preparing a biodegradable polyester includes dispersing a monomer in the presence of a catalyst in a dispersion solvent to form a solid or liquid phase for dispersion polymerization and thereby to yield a biodegradable aliphatic polyester in the form of spherical particles or powder, the monomer comprising a mixture of a first compound (e.g., lactide or glycolide) and a second compound being selected from the group consisting of polyhydric alcohols (e.g., glycerin, erythritol, penterythritol or dipentaerythritol) and carprolactone. The present invention readily prepares a biodegradable polymer having a high molecular weight in the form of uniform powder or spherical particles.Type: GrantFiled: February 20, 2002Date of Patent: November 21, 2006Assignee: Chemical & Medical Research Co., Ltd.Inventors: Kyeong Ah Kim, Byung Kun Son, Yong Gun Jeon
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Patent number: 7074357Abstract: A film-integrated gasket comprising a resin film and an adhesive rubber layer directly molded on the resin film. The adhesive rubber layer is molded from addition reaction type silicone rubber. The adhesive rubber layer can have a reduced thickness and can prevent positional alignment failure, making it suitable for a thin seal that can be used in a fuel cell, a secondary battery, a condenser, etc. without contamination of electrolytic solution, catalyst, etc. used in the cells.Type: GrantFiled: July 16, 2003Date of Patent: July 11, 2006Assignee: NOK CorporationInventors: Kazuhisa Senda, Osamu Ando
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Patent number: 6998462Abstract: Disclosed is a process that comprises contacting, in the presence of an esterification or transesterification or polycondensation catalyst composition, a toner, and a phosphorus compound, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization.Type: GrantFiled: June 11, 2003Date of Patent: February 14, 2006Assignee: E.I. du Pont de Nemours and CompanyInventors: Jiwen F. Duan, Donald E. Putzig
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Patent number: 6989418Abstract: This invention relates to an aqueous film-forming mixture which does not contain a vinyl halide and which can be utilized to prepare conformable films which are useful in various applications such as adhesive tapes, labels and decorative sheets. The aqueous film-forming mixtures generally comprise, based on the weight of the solids in the aqueous mixture, (A) from about 50% to about 80% by weight of an acrylic-urethane copolymer which forms a film having an elongation at break of at least about 300%, and (B) from about 5% to about 25% by weight of an acrylic polymer or copolymer having a Tg of less than about 55° C., wherein the acrylic polymer or copolymer (B) is different from the acrylic-urethane copolymer (A). The aqueous mixtures also may contain up to about 40% by weight of a pigment.Type: GrantFiled: December 31, 2002Date of Patent: January 24, 2006Assignee: Avery Dennison CorporationInventors: Chan U. Ko, Aren Joost de Man, Timothy L. Paris
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Patent number: 6953821Abstract: An aqueous dispersion obtained by hydrolysis/condensation and radical polymerization of a mixture containing (A) at least one selected from an organosilane, a hydrolyzate of the organosilane and a condensate of the organosilane, and (B) a radical polymerizable vinyl monomer, in an emulsified state.Type: GrantFiled: February 16, 2001Date of Patent: October 11, 2005Assignee: JSR CorporationInventors: Kouji Tamori, Kenji Ishizuki, Hiroshi Shiho
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Patent number: 6939913Abstract: This invention provides a wiring-terminal-connecting adhesive comprising a curing agent capable of generating a free radical upon heating, a radically polymerizable substance and silicone particles, and a wiring-terminal-connecting method and a wiring structure which make use of such an adhesive.Type: GrantFiled: August 25, 2000Date of Patent: September 6, 2005Assignee: Hitachi Chemical Company, Ltd.Inventors: Motohiro Arifuku, Itsuo Watanabe, Kouji Motomura, Kouji Kobayashi, Yasushi Gotoh, Tohru Fujinawa
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Patent number: 6861457Abstract: To provide a dental impression material composition having high hydrophilicity comparable to that of polyether rubber-made impression materials, being superior in recovery from deformation caused by removal out of an oral cavity, which are similar to silicone rubber-made impression materials, the dental impression material composition being superior in dimensional precision, and good in storage stability. The dental impression material composition includes (A) 100 parts by weight of the sum of (1) an organopolysiloxane containing at least two aliphatic unsaturated hydrocarbons in one molecule and (2) a polyether containing at least one aliphatic unsaturated hydrocarbon in one molecule, in a weight ratio of (1) to (2) of 1:0.01˜1:5, having (B) 0.Type: GrantFiled: August 23, 2002Date of Patent: March 1, 2005Assignee: GC CorporationInventor: Hiroshi Kamohara
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Patent number: 6855765Abstract: A two-component polyurethane sealant composition is described. The polyurethane sealant of the invention exhibits improved resistance to degradation by heat and hot water. The composition of the invention includes a novel hindered amine antioxidant.Type: GrantFiled: December 12, 2001Date of Patent: February 15, 2005Assignee: National University of SingaporeInventors: Yit Lin Chew, Suat Hong Goh, Xu Zhou
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Patent number: 6824849Abstract: The invention relates to the use of a halogen-free multi-layer sheet material comprising (i) a base film of a polymer comprising the reaction product of a precursor mixture comprising at least one hydroxy-functional resin and an aminoplast cross-linking agent; (ii) an adhesive layer; and (iii) optionally, a release liner, as a label or a label stock or in the manufacture of a laser cuttable and/or laser markable article. The invention also relates to the use of a halogen-free film of a polymer comprising the reaction product of a precursor mixture comprising at least one hydroxy-functional resin and an aminoplast cross-linking agent in a laser cuttable and/or laser-markable article.Type: GrantFiled: January 23, 2003Date of Patent: November 30, 2004Assignee: 3M Innovative Properties CompanyInventors: Silke Herzog, Peter Weber
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Publication number: 20040192836Abstract: Halogenated polymers are prepared by a process comprising polymerizing at least one halogen-containing monomer in an aqueous medium containing monomer, radical initiator, and siloxane surfactant. The medium may optionally contain one or more of an antifoulant, a buffering agent and a chain-transfer agent.Type: ApplicationFiled: March 28, 2003Publication date: September 30, 2004Inventors: Roice Andrus Wille, Lotfi Hedhli, Mehdi Durali, Sayed Youssef Antoun
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Patent number: 6797772Abstract: A composition comprises the product obtained by homogeneously blending: (A) 100 parts by weight of a polyorganosiloxane containing at least two alkenyl radicals per molecule, (B) an organohydrogensiloxane containing at least two silicon-bonded hydrogen atoms per molecule in a quantity sufficient to provide from 0.5 to 3 silicon-bonded hydrogen atoms per alkenyl radical of (A), (C) from 50-2000 parts by weight of silver particles pre-treated with an organosilicon compound selected from the group consisting of (i) alkoxy group(s)-containing silanes and (ii) organosiloxanes, (D) a platinum catalyst, (E) up to 20 weight percent based on the weight of (A) of an organosilicon compound containing at least one silicon-bonded alkoxy group per molecule, and (F) from 0.001 to 5 parts by weight per 100 parts by weight of (A) of a cure inhibitor.Type: GrantFiled: January 18, 2002Date of Patent: September 28, 2004Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Kazumi Nakayoshi, Katsutoshi Mine, Rikako Tazawa
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Publication number: 20040186209Abstract: The present invention provides a rubber composition which when vulcanized may be used to form a safety support intended to be mounted on a wheel rim within a tire. The invention also is directed to such a support, capable of supporting a tread of the tire in the event of a drop in inflation pressure, and to a mounted assembly comprising this support. A rubber composition according to the invention comprises (phr: parts by weight per 100 parts of diene elastomer(s)): (a) a diene elastomer, (b) particles of an &agr;-olefinic thermoplastic polymer having a melting point greater than or equal to 150° C., in an amount of 5 to 30 parts by weight per 100 parts diene elastomer (phr), wherein the mean size by weight of the particles is between 50 &mgr;m and 500 &mgr;m, (c) greater than 60 phr of reinforcing filler, and (d) from 3 to 8 phr of sulphur.Type: ApplicationFiled: January 12, 2004Publication date: September 23, 2004Inventors: Francois Masson, Francois Bataille, Serge Teisseyre
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Publication number: 20040138376Abstract: A polymerization product of an polyorganohydrosiloxane having a molecular weight of about 3500 to about 4000 and 6-7 Si—H bonds per molecule with a lower alkylene terminated polydimethylsiloxane having a molecular weight of about 20,000 to about 25,000 in the presence of a medium selected from low viscosity silicone oils, hydrocarbon oils typically with the aid of a hydrosilylation catalyst, where the amounts of the siloxanes are chosen such that the reaction product constitutes about 3% to about 15% of the cross-linked polymer and about 97 to about 85% of the reaction medium. The resultant gel is milled in a colloid mill, and if desired, diluted to a concentration of about 3% to about 8% with a diluent selected from the group consisting of low viscosity silicone oil, hydrocarbon oil, lower alkanol, or mixtures thereof. The so produced gel is useable as is or can be formulated into more complex cosmetic formulations having about 65% to about 99.9% of the gel, about 0.Type: ApplicationFiled: August 22, 2003Publication date: July 15, 2004Inventor: Nagi M. Awad
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Publication number: 20040138333Abstract: Disclosed is a method for preparing a biodegradable polymer in the form of uniform powder or spherical particles by dispersion polymerization without a grinding step. The method for preparing a biodegradable polyester includes dispersing a monomer in the presence of a catalyst in a dispersion solvent to form a solid or liquid phase for dispersion polymerization and thereby to yield a biodegradable aliphatic polyester in the form of spherical particles or powder, the monomer comprising a mixture of a first compound (e.g., lactide or glycolide) and a second compound being selected from the group consisting of polyhydric alcohols (e.g., glycerin, erythritol, penterythritol or dipentaerythritol) and carprolactone. The present invention readily prepares a biodegradable polymer having a high molecular weight in the form of uniform powder or spherical particles.Type: ApplicationFiled: February 19, 2004Publication date: July 15, 2004Inventors: Kyeong Anh Kim, Byung Kun Son, Yong Gun Jeon
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Patent number: 6759468Abstract: A fluoropolyether base rubber composition comprising (A) a linear fluoropolyether compound containing at least two alkenyl groups and having a perfluoroalkyl ether structure in its backbone, (B) a surface hydrophobized silica filler having a specific surface area of at least 100 m2/g and a vinyl content of 1×10−3 to 2×10−2 mol/100 g, (C) a curing amount of an organosilicon compound having at least two SiH groups, and (D) a hydrosilylation catalyst is curable into products having improved compression set as well as water repellency, oil repellency, solvent resistance, chemical resistance and weather resistance and finding typical use as O-rings.Type: GrantFiled: November 29, 2001Date of Patent: July 6, 2004Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Makoto Sato, Shinichi Sato
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Patent number: 6743868Abstract: A method for making thermoplastic elastomeric compositions is disclosed wherein a polyamide, a silicone base, a stabilizer, and optional compatibilizer are first mixed, then a hydrosilation catalyst and subsequently an organohydrido silicon compound are added, and the silicone base is dynamically vulcanized.Type: GrantFiled: July 18, 2002Date of Patent: June 1, 2004Assignee: Dow Corning CorporationInventors: Frances Marie Fournier, Richard Leroy Rabe
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Patent number: 6740728Abstract: The present invention relates to methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s. The materials obtained by the methods of present invention are useful as fluid separation membranes and as high performance materials.Type: GrantFiled: May 24, 2002Date of Patent: May 25, 2004Assignee: Praxair Technology, Inc.Inventors: Yong Ding, Benjamin Bikson
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Patent number: 6737458Abstract: The invention relates to silicone compositions which can be crosslinked to give elastomers and which comprises the constituents (A) from 20 to 99% by weight of polyorganosiloxane containing at least two alkenyl groups per molecule and having a viscosity at 25° C. of from 0.1 to 500,000 Pa.s, (B) from 1 to 80% by weight of non-reinforcing filler having a mean particle size of from 0.1 to 200 &mgr;m and a specific surface area of <100 m2/g, (C) a crosslinking component comprising (C1) an organic peroxide, or (C2) an organosilicon compound containing at least two SiH functions per molecule in combination with a hydrosilylation catalyst, and (D) a nitrogen compound which is selected from amino, ammonium and amido compounds and nitrogen-containing organosilicon compounds. The compositions exhibit improved thermal stability and resistance to oil at elevated temperatures.Type: GrantFiled: January 8, 2003Date of Patent: May 18, 2004Assignee: Wacker-Chemie GmbHInventors: Christof Woerner, Richard Birneder
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Patent number: 6730729Abstract: The invention relates to a process for preparing an aqueous polymer dispersion comprising an emulsion polymer a polymer composed of at least 5% by weight of an ethylenically unsaturated monocarboxylic acid, dicarboxylic acid or dicarboxylic anhydride (acid polymer SP for short), and an alkoxysilane of the formula SiR1R2R3R4 in which the groups R1 to R4 independently of one another are each an organic radical with the proviso that at least one of the groups is an alkoxy group, which comprises preparing said emulsion polymer by emulsion polymerization in the presence of at least some of the alkoxysilane.Type: GrantFiled: April 18, 2002Date of Patent: May 4, 2004Assignee: BASF AktiengesellschaftInventors: Matthias Gerst, Matthias Laubender, Bernd Reck
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Publication number: 20040005421Abstract: Elastomer compositions comprising a blend of a fluoroelastomer comprising a terpolymer of vinylidene fluoride, tetrafluoroethylene and hexafluoropropylene and a chlorofluoroelastomer comprising a co-or terpolymer of vinylidene fluoride, chlorotrifluoroethylene and 0-40 mole % of hexafluoropropylene are provided. The composition may be cured and is particularly suitable for use as a surface release layer for fusing systems used in electrostatographic imaging systems.Type: ApplicationFiled: June 11, 2003Publication date: January 8, 2004Applicant: Xerox CorporationInventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
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Patent number: 6653365Abstract: A dental composite material that comprises a polymerizable resin composition; a filler system comprising polyhedral oligomeric silsesquioxane fillers; and a curing system. The dental composite material is useful for a variety of dental materials, treatments, and restorative functions including crown and bridge materials, fillings, adhesives, sealants, luting agents or cements, denture base materials, orthodontic materials and sealants, and other dental restorative materials.Type: GrantFiled: April 30, 2002Date of Patent: November 25, 2003Assignee: Pentron Clinical Technologies, LLCInventor: Weitao Jia
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Patent number: 6649704Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C.Type: GrantFiled: October 26, 2001Date of Patent: November 18, 2003Assignee: Dow Corning CorporationInventors: Christopher Michael Brewer, Igor Chorvath, Frances Marie Fournier, Michael Kang-Jen Lee, Dawei Li, Robert Leo Oldinski, Lenin James Petroff, Richard Leroy Rabe, David Joseph Romenesko, Yongjun Lee, Koji Nakanishi
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Publication number: 20030191234Abstract: A crosslinkable fluororubber composition comprising (A) a liquid perfluoro compound having alkenyl groups and a divalent perfluorolakylene or perfluoropolyether structure, (B) a reinforcing filler, (C) a surface treating agent having a fluoroalkyl or fluoropolyalkyl ether group and a silanol group, (D) an addition reactive compound having hydrosilyl groups, and (E) a hydrosilyl or peroxide crosslinker is prepared by mixing components (A) to (C) to form a liquid or paste composition, adding component (D) thereto to form a millable composition, and mixing component (E) therewith. The composition is effectively roll workable and cures into products having excellent physical properties.Type: ApplicationFiled: March 21, 2003Publication date: October 9, 2003Inventors: Yasuhisa Osawa, Shinichi Sato, Masatoshi Arai
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Patent number: 6608126Abstract: Silicone liquid crystals, silicone vesicles, and silicone gels are formed by combining (i) an amine functional silicone or an organic amine compound, (ii) an organic epoxide containing at least two epoxy groups or an epoxy functional silicone containing at least two epoxy groups, and (iii) a fluid such as water, a silicone fluid other than a silicone used in (i) and (ii), and a polar organic compound or nonpolar organic compound other than organic compounds used in (i) and (ii) in which the polar and nonpolar organic compound are present at a concentration to provide a level of solids less than 40 percent by weight based on the weight of (i)-(iii). These silicone liquid crystals, silicone vesicles, and silicone gels are useful in personal care for preparing various skin, hair, and underarm products.Type: GrantFiled: April 11, 2001Date of Patent: August 19, 2003Assignee: Dow Corning CorporationInventors: Michael Salvatore Ferritto, Zuchen Lin, William James Schulz, Jr.
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Publication number: 20030149170Abstract: The invention concerns the use for increasing the life span of moulds made of silicone elastomer crosslinking by polyaddition or polycondensation reaction, of an additive capable of stabilising the silicone elastomer whereof the mould is constituted with respect to materials to be moulded, said additive corresponding the following formula (1) wherein R1 and R2 are linear or branched alkyl radicals or cycloaliphatic radicals having 1 to 40 carbon atoms. Preferably, said additive is methyl laurylthiopropionate. C12H25—S—CH3—CH2—CO—O—CH3. The invention also concerns the corresponding silicone compositions and the resulting moulds.Type: ApplicationFiled: November 20, 2002Publication date: August 7, 2003Inventors: Jerome Bressieux, Thomas Deforth, Christian Pusineri
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Patent number: 6498213Abstract: The present invention relates to a thermoplastic resin composition, more specifically to a thermoplastic resin composition with superior extrusion and calendar formability and directly coatable without using primer because the crosslinking density can be arranged to improve the physical and chemical properties of the composition and the solubility to the solvent is increased during the coating process by including processing oil, inorganic filler, crosslinking agent and crosslinking assistant in random polypropylene resin, highly-crystalline random polypropylene resin, highly-crystalline polyolefin resin, olefin copolymer rubber and low-density polyethylene resin. This thermoplastic resin composition may be suitable for the use as surface material of the inner parts of automobiles.Type: GrantFiled: May 23, 2001Date of Patent: December 24, 2002Assignees: Hyundai Motor Company, LG Chemical Co., Ltd.Inventors: Kie-Youn Jeong, Min Nam, Tae-Seung Lee
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Patent number: 6491980Abstract: An aqueous emulsion comprises (1) organopolysiloxanes containing SiC-bonded aliphatically unsaturated groups in the terminal units, (2) organopolysiloxanes containing at least 3 Si-bonded hydrogen atoms, (3) a catalyst promoting the addition of Si-bonded hydrogen to aliphatic unsaturation, (4) organosilicon adhesion promoters, (5) silicone resins, (6) an emulsifier, (7) water, and (8) carbon black. The emulsions may be applied to fabric prior to drying and shrinking, and vulcanized while drying the fabric. The coated fabrics exhibit ideal characteristics for use as airbag material.Type: GrantFiled: November 23, 1999Date of Patent: December 10, 2002Assignee: Wacker-Chemie GmbHInventors: Johann Müller, Martin Stömmer
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Patent number: 6465549Abstract: The present invention relates to siloxy compounds of the formulae wherein R1, R2 and R3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; R4 is selected from the group consisting of alkylene groups having from 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms; R5 is selected from the group consisting of alkyl groups having from 1 to 15 carbon atoms, aryl and alkyl substituted aryl groups having 6 to 10 carbon atoms; x is 3 when M is Al and x is 4 when M is selected from the group consisting of C, Ti, Si and Zr.Type: GrantFiled: February 12, 2002Date of Patent: October 15, 2002Assignee: The Goodyear Tire & Rubber CompanyInventor: Thierry Florent Edme Materne
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Patent number: 6465552Abstract: Thermoplastic elastomers are disclosed which are prepared by; (I) mixing, (A) a thermoplastic resin comprising more than 50 percent by volume of a polyamide or a polyester resin, (B) a silicone base comprising; (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl groups per molecule and (B″) 5 to 200 parts by weight of a reinforcing filler, wherein the weight ratio of said silicone base to said polyamide or polyester resin is from 35:65 to 85:15, (C) a compatibilizer, (D) a radical initiator, present in an amount sufficient to cure said diorganopolysiloxane gum, and optionally (E) a stabilizer, (II) dynamically vulcanizing said diorganopolysiloxanes gum, wherein at least one property of the thermoplastic elastomer selected from tensile strength or elongation is at least 25% greater than the respective property for a corresponding simple blend wherein said diorganopolysiloxane is not cured and said thermoplaType: GrantFiled: May 1, 2001Date of Patent: October 15, 2002Assignee: Dow Corning CorporationInventors: Igor Chorvath, Frances Marie Fournier, Christopher James Julien, Michael Kang-Jen Lee, Dawei Li, Jun Liao, Robert Leo Oldinski, Richard Leroy Rabe, David Joseph Romenesko, Thomas John Tangney, Yongjun Lee, Koji Nakanishi
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Patent number: 6455629Abstract: An aqueous matte coating composition containing an aqueous dispersion (I) prepared by dispersing into water (B) a water-dispersible vinyl copolymer prepared by subjecting a monomer mixture of radically polymerizable unsaturated monomers including an unsaturated monomer having a polymerizable unsaturated double bond and an alkoxysilyl group in one molecule to radical polymerization in the presence of (A) a silicate compound consisting of organosilicate and/or its condensate, having an alkoxysilyl group, an acid value of 15 to 150 mg KOH/g and a hydroxyl value of 30 to 200 mg KOH/g, and including the silicate compound (A), and (C) a melamine resin not having complete compatibility with the vinyl copolymer (B).Type: GrantFiled: May 6, 1999Date of Patent: September 24, 2002Assignee: Kansai Paint Co., Ltd.Inventors: Tetsuya Yokoyama, Masahiro Kondo, Hiromi Harakawa, Kenji Aoki
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Publication number: 20020132074Abstract: Elastomer compositions comprising a blend of a fluoroelastomer comprising a terpolymer of vinylidene fluoride, tetrafluoroethylene and hexafluoropropylene and a chlorofluoroelastomer comprising a co-or terpolymer of vinylidene fluoride, chlorotrifluoroethylene and 0-40 mole % of hexafluoropropylene are provided. The composition may be cured and is particularly suitable for use as a surface release layer for fusing systems used in electrostatographic imaging systems.Type: ApplicationFiled: January 30, 2001Publication date: September 19, 2002Inventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
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Publication number: 20020061365Abstract: The invention relates to aqueous emulsions, a process for the preparation and the use thereof.Type: ApplicationFiled: July 9, 1997Publication date: May 23, 2002Inventors: WOLFGANG GRAPE, RUDI STRACKE, FRANK ZILLMER, ARMAND DE MONTIGNY
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Patent number: 6369144Abstract: The present invention relates to siloxy compounds of the formulae wherein R1, R2 and R3 are independently selected from the group consisting of alkoxy radical having from 1 to 8 carbon atoms; R4 selected from the group consisting of alkylene groups having, 1 to 15 carbon atoms and arylene and alkyl substituted arylene groups having from 6 to 10 carbon atoms; R5 is selected from the group consisting of alkyl groups having from 1 to 15 carbon atoms, aryl and alkyl substituted aryl groups having 6 to 10 carbon atoms; x is 3 when M is Al and x is 4 when M is selected from the group consisting of C, Ti, Si and Zr.Type: GrantFiled: January 26, 1999Date of Patent: April 9, 2002Assignee: The Goodyear Tire & Rubber CompanyInventor: Thierry Florent Edme Materne
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Patent number: 6362288Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C.Type: GrantFiled: July 26, 2000Date of Patent: March 26, 2002Assignee: Dow Corning CorporationInventors: Christopher Michael Brewer, Igor Chorvath, Michael K. Lee, Yongjun Lee, Dawei Li, Koji Nakanishi, Robert Leo Oldinski, Lenin James Petroff, Richard L. Rabe, David Joseph Romenesko
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Publication number: 20020033216Abstract: The present invention provides a rubber composition which when vulcanized may be used to form a safety support intended to be mounted on a wheel rim within a tire. The invention also is directed to such a support, capable of supporting a tread of the tire in the event of a drop in inflation pressure, and to a mounted assembly comprising this support. A rubber composition according to the invention comprises (phr: parts by weight per 100 parts of diene elastomer(s)): (a) a diene elastomer, (b) particles of an &agr;-olefinic thermoplastic polymer having a melting point greater than or equal to 150° C., in an amount of 5 to 30 parts by weight per 100 parts diene elastomer (phr), wherein the mean size by weight of the particles is between 50 &mgr;m and 500 &mgr;m, (c) greater than 60 phr of reinforcing filler, and (d) from 3 to 8 phr of sulphur.Type: ApplicationFiled: January 12, 2001Publication date: March 21, 2002Applicant: Michelin Recherche et TechniqueInventors: Francois Masson, Francois Bataille, Serge Teisseyre
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Patent number: RE39182Abstract: A process for the preparation of polyoxymethylene copolymers, wherein 1,3,5-trioxane is polymerized with generally known comonomers in the presence of a strong protonic acid initiator and in the presence of a formaldehyde dialkyl acetal, and wherein the initiator is dissolved in the formaldehyde dialkyl acetal before admixing to the trioxane and the comonomers.Type: GrantFiled: November 30, 2001Date of Patent: July 11, 2006Assignee: Ticona GmbHInventors: Karl-Friedrich Mück, Horst Röschert, Robert M. Gronner, Satyajit Verma, Michael G. Yearwood