Silicon Reactant Contains At Least One Halogen Atom Bonded To A Carbon Atom Which Carbon Atom Is Not An Acyl Halide Carbon Atom Patents (Class 528/42)
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Publication number: 20080124549Abstract: One aspect of the invention relates to a method of preparing silicone fine particles which comprises preparing a mixture comprising an organotrialkoxysilane and an organochlorosilane to give a concentration of the organochlorosilane in the mixture of about 100 to about 2,000 ppm; mixing the mixture with water to prepare a sol solution; and maintaining a pH value of the sol solution within a range of about 8 to about 11. Another aspect of the invention relates to a thermoplastic resin composition which employs the silicone fine particles as a diffuser.Type: ApplicationFiled: October 25, 2007Publication date: May 29, 2008Applicant: CHEIL INDUSTRIES INC.Inventors: Han Su LEE, Ju Sung KIM, Jin Gyu PARK
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Publication number: 20080107797Abstract: A coating for sensor transducers that transmit a signal to—and/or receive a signal from—a fluid, either liquid or gas, in contact with the transducer. In particular the coating minimizes or eliminates fouling of the transducer surface by the fluid, reducing the need for transducer maintenance, while not interfering with the transducer's ability to send and/or receive signals.Type: ApplicationFiled: November 20, 2006Publication date: May 8, 2008Inventors: Joseph W. Pialet, Carlos A. Piedrahita, William P. Taylor
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Publication number: 20080078990Abstract: Disclosed are a copolymer of a perfluoropolyether derivative and a photosensitive polymer, a composition for forming banks comprising the copolymer, and a method for forming banks using the composition. Also disclosed is an organic thin film transistor including the composition and an electronic device including the organic thin film transistor. The use of the copolymer may enable the formation of banks by a solution coating process. Because an organic thin film transistor including banks formed by the method may be fabricated without any degradation in the characteristics of the organic thin film transistor, improved electronic properties may be exhibited.Type: ApplicationFiled: February 26, 2007Publication date: April 3, 2008Inventors: Jung Seok Hahn, Kyu Yeol In, Bon Won Koo, Kook Min Han, Sang-Yoon Lee
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Patent number: 7348063Abstract: A film substrate of an electronic displaying element, an electronic optical element, a touch panel, or a solar battery is disclosed which is composed mainly of an organic polymer having water solubility of 0 to 5 g based on 100 g of 25° C. water and having acetone solubility of 25 to 100 g based on 100 g of 25° C. acetone and an inorganic condensation polymer of a reactive metal compound capable of being condensed.Type: GrantFiled: March 30, 2006Date of Patent: March 25, 2008Assignee: Konica CorporationInventors: Taketoshi Yamada, Hiroshi Kita, Koichi Saito, Yasushi Okubo
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Patent number: 7348366Abstract: An elastomer blend is made by admixing fluoroelastomer and fluorinated silicone polymer (with optional filler and/or conductive particulate) into a polymeric admixture in weight ratios to provide a low vaporous hydrocarbon permeation rate and high thermal strain value in thermally robust elastomer cured from the blend. The blend is of especial use for making gaskets for use in high stress conditions at elevated operating temperatures.Type: GrantFiled: April 7, 2005Date of Patent: March 25, 2008Assignee: Freudenberg-NOK General PartnershipInventors: Francis Joseph Walker, Paul J. Hochgesang
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Patent number: 7344235Abstract: An ink composition is produced using a water-soluble substance that undergoes condensation polymerization in the absence of water (e.g., a hydrolyzable silane compound), which includes fluoroalkyl groups. Alternatively, a water-repellent film of a nozzle plate is subjected to a surface treatment with a trialkyl silane compound.Type: GrantFiled: January 13, 2003Date of Patent: March 18, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Mamoru Soga, Hidekazu Arase
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Publication number: 20080027203Abstract: Fluorochemical oligomeric silanes, compositions comprising such silanes and/or the condensation products of such silanes, and coatings produced with such compositions.Type: ApplicationFiled: July 27, 2006Publication date: January 31, 2008Inventor: Rudolf J. Dams
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Patent number: 7323530Abstract: A transparent resin film for an electronic display and its manufacturing method are disclosed, the transparent resin film having an ultraviolet light transmittance of not less than 50%, the ultraviolet light having a wavelength range of from 250 to 450 nm, and having a glass transition temperature of not less than 180° C., the glass transition temperature being measured according to thermal stress strain measurement (TMA).Type: GrantFiled: January 20, 2004Date of Patent: January 29, 2008Assignee: Konica Minolta Holdings, Inc.Inventors: Yasushi Okubo, Takahiro Takagi, Kaori Ono
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Publication number: 20070243395Abstract: A composite resin which has been produced by hydrolyzing and condensing a silane compound (2) containing a bissilane compound (B) represented by: XnR3-nSi—Y—SiR3-nXn ??(B) wherein Y is a divalent organic group which is optionally substituted with a fluorine atom or a divalent organic group which optionally contains an aromatic ring, R is a monovalent organic group, X is OH group or a hydrolyzable group, and n is 1, 2, or 3; in the presence of (1) porous and/or hollow inorganic oxide fine particles (A); and which is an integral mixture of component (1) and component (2) which has undergone the hydrolysis and the condensation. The composite resin of the present invention has voids in the resin since it contains porous and/or hollow inorganic oxide fine particles, and the composite resin of the present invention can also be formed into a cured article or a cured coating with reduced refractive index since it contains air which has the lowest refractive index.Type: ApplicationFiled: April 12, 2007Publication date: October 18, 2007Inventors: Masaaki Yamaya, Kazuharu Sato
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Publication number: 20070243394Abstract: An anti-smudge agent which is added to a coating composition for imparting smudge proof property with the coating composition, comprising a silicone resin containing a fluorine atom-containing organic group, which has a number average molecular weight of at least 1,000 and a molar ratio of the fluorine atom to the silicon atom (F/Si) of 3 to 50, said silicone resin being the one produced by hydrolyzing or condensing an organosilicon compound having a fluorine atom-containing organic group represented by the following general formula (I): R1R2mSiX3-m ??(I) wherein R1 is a fluorine atom-containing organic substituent, R2 is a substituted or unsubstituted alkyl group or phenyl group containing 1 to 10 carbon atoms, X is a hydrolyzable group or OH group, and m is 0 or 1; or a hydrolysate or a partial condensate thereof.Type: ApplicationFiled: April 12, 2007Publication date: October 18, 2007Inventors: Masaaki Yamaya, Kazuharu Sato
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Patent number: 7253238Abstract: A fluoroalkylsilylated MQ resin is obtained by reacting an MQ resin with a fluoroalkylsilane. Pressure sensitive adhesion compositions containing the fluoroalkylsilylated MQ resin as tackifier and, optionally, a silicone gum, e.g., a fluorosilicone gum, exhibit high levels of solvent resistance.Type: GrantFiled: April 12, 2005Date of Patent: August 7, 2007Assignee: Momentine Performance Materials Inc.Inventors: Roy Melvin Griswold, Richard Paul Eckberg
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Patent number: 7235619Abstract: A silsesquioxane derivative represented by Formula (2): wherein R is hydrogen, an alkyl, an aryl, or an arylalkyl; and X is hydrogen, chlorine, a functional group, or a group having a functional group.Type: GrantFiled: May 4, 2005Date of Patent: June 26, 2007Assignee: Chisso CorporationInventors: Yoshitaka Morimoto, Kenya Ito, Hisaoi Oikawa, Mikio Yamahiro, Kenichi Watanabe, Nobumasa Ootake
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Patent number: 7226982Abstract: A coating composition primarily comprising a disilane compound of the formula (A): XmR13?mSi—Y—SiR13?mXm??(A) wherein R1 is a monovalent hydrocarbon group, Y is a divalent fluorinated organo group, X is a hydrolyzable group, and m is 1, 2 or 3, or a (partial) hydrolyzate thereof is applied and cured to form a protective coat having excellent chemical resistance and antireflection.Type: GrantFiled: April 15, 2004Date of Patent: June 5, 2007Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masaaki Yamaya, Kazuharu Sato, Muneo Kudo
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Patent number: 7204877Abstract: The present invention relates to a coating composition for forming an anti-reflective coating layer for a display device, comprising a fluorinated silane with low surface tension, a conductive polymer with antistatic properties, water, and a solvent. Thus, the coating film of the present invention prepared by coating the composition has high anti-reflection, excellent stain resistance to liquid-phase stains such as fingerprints and the solid-phase stains such as dust by controlling the refractive index, surface energy, and conductivity, and thus can be usefully applied to the outermost side of a display device, regardless of the type of substrates such as a Braun tube or a flat display film and the presence of other coating layers such as a hard coating layer and an anti-glare coating layer.Type: GrantFiled: April 13, 2005Date of Patent: April 17, 2007Assignee: LG Chem, Ltd.Inventors: Young-Eun Lee, Mi-Young Han, Yeong-Rae Chang, Jeong-Jin Hong, Sung-Hoon Jang
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Patent number: 7183370Abstract: A proton conducting polymer is formed by the copolymerization of a plurality of compounds, including a silicon compound comprising an organic chain, and a compound including at least one acid group. The polymer comprises a hybrid organic-inorganic matrix having acid groups linked through a linking group. The linking group may include one or more electron withdrawing groups. The electron withdrawing group may be a halogen.Type: GrantFiled: September 10, 2004Date of Patent: February 27, 2007Assignee: Toyota Technical Center USA, IncInventors: Siwen Li, Meilin Liu, Kohei Hase, Masatsugu Nakanishi, Wen Li, Junzo Ukai
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Patent number: 7157052Abstract: This invention relates generally to a new class of chemoselective polymer materials. In particular, the invention relates to linear polycarbosilane compounds for use in various analytical applications involving sorbent polymer materials, including chromatoghraphy, chemical trapping, analyte collection, and chemical sensor applications.Type: GrantFiled: October 10, 2003Date of Patent: January 2, 2007Assignee: The United States of America as represented by the Secretary of the NavyInventors: Robert A. McGill, Eric J. Houser
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Patent number: 7156530Abstract: An antireflection film having a hard coat layer prepared on one side of a transparent substrate directly or through other layers, and further an antireflection layer laminated on a surface of the hard coat layer, wherein the antireflection layer is formed by a dry cured film obtained from a solution comprising a siloxane oligomer (A) obtained by condensation polymerization after partial hydrolysis of a hydrolyzable alkoxy silane that contains a tetra alkoxy silane represented by a general formula (1): Si(OR)4 (where R represents methyl group or ethyl group) as a principal component and a compound (B) having a fluoro alkyl structure and a polysiloxane structure, is excellent scratch-proof property, stain resistance, and cured in a short period of time at comparatively low temperature.Type: GrantFiled: February 11, 2004Date of Patent: January 2, 2007Assignee: Nitto Denko CorporationInventors: Minoru Miyatake, Tomoaki Masuda, Takayuki Shigematsu, Masahiro Yoshioka
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Patent number: 7157543Abstract: A polyorganosiloxane block hydrocarbyl block polymer having utility as a release agent in toner fusing systems. The polymer has one or more polar linkages, with each such linkage bonding a polyorganosiloxane block and a hydrocarbyl block, and also including a polar functionality.Type: GrantFiled: April 11, 2005Date of Patent: January 2, 2007Assignee: Eastman Kodak CompanyInventor: Jerry A. Pickering
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Patent number: 7153582Abstract: The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer comprising a hyperbranched compound having: (1) a polymer backbone portion that is at least partly randomly branched; (2) at least one pendant group extending from the polymer backbone portion; and (3) at least one halogen substituted alcohol or phenol group substituted at the pendant group(s) of the polymer backbone portion. The compound of the invention preferably has the general formula: wherein A is the hyperbranched backbone portion of the polymer; L and M are independently selected pendant groups of said polymer backbone; X and Y are independently selected halogen substituted alcohol or phenol groups; q and r are independently selected and at least 1; and n is at least 3.Type: GrantFiled: September 26, 2003Date of Patent: December 26, 2006Assignee: The United States of America as represented by the Secretary of the NavyInventors: Eric J Houser, Robert Andrew McGill
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Patent number: 7141304Abstract: A film substrate of an electronic displaying element, an electronic optical element, a touch panel, or a solar battery is disclosed which is composed mainly of an organic polymer having water solubility of 0 to 5 g based on 100 g of 25° C. water and having acetone solubility of 25 to 100 g based on 100 g of 25° C. acetone and an inorganic condensation polymer of a reactive metal compound capable of being condensed.Type: GrantFiled: October 22, 2001Date of Patent: November 28, 2006Assignee: Konica CorporationInventors: Taketoshi Yamada, Hiroshi Kita, Koichi Saito, Yasushi Okubo
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Patent number: 7141305Abstract: A water-repellent film that is formed on a solid substrate includes: a molecule (A) including at least one or more of siloxane bonding (—Si—O—) at both ends and a hydrocarbon chain in a middle part; and a molecule (B) including a fluorocarbon chain at one end and at least one or more of siloxane bonding (—Si—O—) at another end, wherein a polymer film is formed at least with the molecule (A) and the molecule (B). This polymer film forms a covalent bond with a surface of the substrate via siloxane bonding (—Si—O—), and the surface thereof is covered with fluorocarbon chains having high water repellency. Therefore, this film prevents the intrusion of alkali ions. Thereby, an ink jet head and an ink jet type apparatus having a water-repellent film that is not destroyed by the long-term contact with alkaline ink can be provided.Type: GrantFiled: April 1, 2002Date of Patent: November 28, 2006Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Tohru Nakagawa, Tatsuya Hiwatashi
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Patent number: 7135241Abstract: Generally, and in one form, the present invention is a composition of light-emitting block copolymer. In another form, the present invention is a process producing a light-emitting block copolymers that intends polymerizing a first di(halo-methyl) aromatic monomer compound in the presence of an anionic initiator and a base to form a polymer and contacting a second di(halo-methyl) aromatic monomer compound with the polymer to form a homopolymer or block copolymer wherein the block copolymer is a diblock, triblock, or star polymer. In yet another form, the present invention is an electroluminescent device comprising a light-emitting block copolymer, wherein the electroluminescent device is to be used in the manufacturing of optical and electrical devices.Type: GrantFiled: May 24, 2002Date of Patent: November 14, 2006Assignee: Board of Regents, The University of Texas SystemInventors: John P. Ferraris, Jose J. Gutierrez
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Patent number: 7125949Abstract: A process, comprising: a) reacting a an alkoxysilane, an (epoxy)alkoxysilane, and a fluorinated alkoxysilane to form a fluorinated sol-gel polymer; and b) reacting a nonlinear optical chromophore comprising a donor, a ?-bridge, an acceptor, and at least one alkoxysilyl group with the fluorinated sol-gel polymer to form a nonlinear optical fluorinated sol-gel polymer.Type: GrantFiled: January 21, 2004Date of Patent: October 24, 2006Assignee: Lumera CorporationInventor: Dan L. Jin
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Patent number: 7108955Abstract: A novel polysiloxane having high transparency to radiations with a wavelength of 193 nm or less, particularly 157 nm or less, and exhibiting superior dry etching resistance and a radiation-sensitive resin composition comprising the polysiloxane exhibiting superior sensitivity, resolution, and the like are provided. The polysiloxane is a resin having the structural unit (I) and/or structural unit (II) of the following formula (1), and having an acid-dissociable group, wherein R1 represents a monovalent aromatic group substituted with a fluorine atom or a fluoroalkyl group or a monovalent aliphatic group substituted with a fluorine atom or a fluoroalkyl group and R2 represents the above a monovalent aromatic group, the above monovalent aliphatic group, a hydrogen atom, a monovalent hydrocarbon group, haloalkyl group, or amino group.Type: GrantFiled: April 30, 2002Date of Patent: September 19, 2006Assignee: JSR CorporationInventors: Haruo Iwasawa, Akihiro Hayashi, Tsutomu Shimokawa, Masafumi Yamamoto
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Patent number: 7097910Abstract: A composition comprising the condensation product of a least one fluorochemical polyether silane compound having a polyfluoropolyether segment and at least two hydrolysable silane groups per molecule, with one or more non-fluorinated compounds having at least two hydrolysable groups per molecule, and the reaction product thereof, is disclosed. The composition provides durable water, oil and stain repellency to a substrate.Type: GrantFiled: November 5, 2003Date of Patent: August 29, 2006Assignee: 3M Innovative Properties CompanyInventors: George G. I. Moore, Rudolf J. Dams, Franceska M. Fieuws, Guido P. Piessens
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Patent number: 7098287Abstract: This invention provides a two-component protective lustering agent which is applied to the coated surface of automobiles and the like to form a film displaying excellent luster, water repellency and stainproofing property over a long period of time and the agent is easy to wipe off in the finish after application. The two-component protective lustering agent is applied to the coated surface of automobiles and the like by mixing the two components immediately before use and comprises a liquid agent A containing a room temperature curable modified silicone resin and a fluorosilane compound as effective components and a liquid agent B containing a reaction catalyst exerting a catalytic action on the aforementioned room temperature curable modified silicone resin and fluorosilane compound.Type: GrantFiled: January 18, 2002Date of Patent: August 29, 2006Assignee: Willson Co., Ltd.Inventors: Takeshi Yamada, Satoshi Sumida
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Patent number: 7094471Abstract: A composition comprising at least one fluorochemical polyether silane compound having a polyfluoropolyether segment and at least two hydrolysable silane groups per molecule, one or more non-fluorinated compounds having at least two hydrolysable groups per molecule, and/or a partial condensate thereof, is disclosed. The composition provides durable water, oil and stain repellency to a substrate.Type: GrantFiled: November 5, 2003Date of Patent: August 22, 2006Assignee: 3M Innovative Properties CompanyInventors: George G. I. Moore, Rudolf J. Dams, Franceska M. Fieuws, Guido P. Piessens
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Patent number: 7084229Abstract: A silicone composition for a release agent, which comprises (A) an organopolysiloxane having at least two alkenyl groups bonded to a silicon atom and at least one fluorine-containing substituent bonded to a silicon atom, in one molecule, and having a fluorine content of from 20 to 40% by weight, (B) an organohydrogenpolysiloxane having at least three hydrogen atoms bonded to a silicon atom in one molecule, (C) a straight-chain perfluoropolyether anti-foaming agent, and (D) a platinum group metal catalyst. Even when the silicone composition is diluted with a non-fluorine-type solvent, it is possible to avoid foaming (the reason for pin holes and repelling) does not occur during roller coating. Moreover, the silicone composition provides a cured coating which needs only a low peel force and hardly gives reduction in the residual adhesive ratio.Type: GrantFiled: March 18, 2004Date of Patent: August 1, 2006Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Koichi Yamaguchi
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Patent number: 7081508Abstract: A primer composition comprises (a) a fluoroalkylene or fluoropolyether compound having at least one alkenyl radical and at least one hydrolyzable silyl radical, (b) an organic titanic acid ester, (c) an organic tin compound, and (d) a silane compound. The primer composition is fully adherent to various substrates of metals, glass, ceramics, cement, mortar, carbon, and plastics, and is particularly suited for use with a thermosetting elastomer composition based on a polymer having at least two alkenyl radicals and a perfluoropolyether structure in its backbone.Type: GrantFiled: June 25, 2004Date of Patent: July 25, 2006Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Takashi Matsuda, Yasuhisa Osawa
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Patent number: 7067570Abstract: A one-part polysiloxane composition comprising a branched organopolysiloxane with vinyl groups bonded to silicon atoms, an organohydrogenpolysiloxane with at least two hydrogen atoms bonded to molecular chain terminal silicon atoms within each molecule, and a platinum based catalyst, together with an additional phosphite triester and an organic peroxide, is resistant to increases in viscosity, and does not gel, even on extended storage at room temperature. Even after storage, the characteristics of the cured gel product are unchanged. Accordingly, a composition of the present invention offers excellent long term storage stability at room temperature.Type: GrantFiled: December 9, 2003Date of Patent: June 27, 2006Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Masayuki Ikeno, Miyuki Tanaka, Kazuyasu Sato
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Patent number: 7053167Abstract: A conventional silsesquioxane derivative has the problems that the functional groups are restricted and the chemical structure is not readily controlled and that it is expensive. The present inventors have developed a process for producing a silsesquioxane derivative at a high yield by a simple process in order to solve such problems. The novel silsesquioxane derivative according to the present invention is controlled in a structure thereof and has a functional group, which is excellent in reactivity with a target compound, to be modified. The present invention relates to a production process for a silsesquioxane derivative represented by Formula (2), characterized by using a silicon compound represented by Formula (1).Type: GrantFiled: September 15, 2003Date of Patent: May 30, 2006Assignee: Chisso CorporationInventors: Kenya Ito, Mikio Yamahiro, Kenichi Watanabe
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Patent number: 7045586Abstract: This invention relates to a composition that can be cured to form an adhesive. The adhesive is useful in the electronics industry. The composition is prepared by mixing components including: (I) a polyorganosiloxane having an average of at least two terminally-unsaturated organic groups per molecule, (II) an organohydrogenpolysiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule, (III) a hydrosilylation catalyst, (IV) a fluoroorganosilicone having at least one functional group reactive with component (I), component (II), or both, (V) an unsaturated ester-functional compound, and (VI) an adhesion promoter. The composition may also include one or more optional components selected from (VII) a void reducing agent, (VIII) a pigment, (IX) a filler, (X) a cure modifier, (XI) a rheology modifier, and (XII) a spacer.Type: GrantFiled: August 14, 2003Date of Patent: May 16, 2006Assignee: Dow Corning CorporationInventors: Dongchan Ahn, Patricia Ann Rolley
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Patent number: 7026398Abstract: The present invention relates to an air-drying silane coating composition containing an epoxy or acrylic resin, an optional silicic ester or alkyl silicate, an aminoalkylsilane component, an optional organoalkyoxysilane, and possible auxiliaries; methods of use thereof, and articles and substrates coated accordingly.Type: GrantFiled: March 21, 2003Date of Patent: April 11, 2006Assignee: Degussa AGInventors: Jaroslaw Monkiewicz, Roland Edelmann, Andrea Edinger, Bjoern Borup
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Patent number: 7022801Abstract: A fluorine containing polymer which acts as a wetting, flow or leveling agent, and has at least one polar group. The polymer has at least one pendant or ether side chain containing from about 1 to about 20 carbon atoms with at least 25% of the hydrogen atoms being replaced by fluorine atoms. The fluorinated polymers unexpectedly impart wetting, flow or leveling properties to a variety of coatings while producing little foam.Type: GrantFiled: September 5, 2003Date of Patent: April 4, 2006Assignee: Omnova Solutions Inc.Inventor: Robert E. Medsker
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Patent number: 6962752Abstract: A curable composition comprising: (A) a branched polyfluorodialkenyl compound represented by a general formula (1): CH2?CH—(X)a-Rf1-(X?)a—CH?CH2??(1) wherein, X and X? are bivalent groups such as —CH2— and —CH2O—, a represents, independently, either 0 or 1, and Rf1 is a specific bivalent fluorine-containing group, (B) a branched polyfluoromonoalkenyl compound represented by a general formula (2): Rf2-(X?)a—CH?CH2??(2) wherein, X? and a are as defined above, and Rf2 is a specific fluorine-containing group, (C) an organohydrogensiloxane compound with at least two hydrogen atoms bonded to silicon atoms, and (D) a platinum group metal catalyst; as well as a low bleeding gel type cured product obtained by curing such a composition, and an electrical or electronic component sealed or encapsulated using such a cured product. The gel type cured product displays very little bleeding of free oil constituents from the gel as a result of stress such as pressure fluctuation or heat history.Type: GrantFiled: January 9, 2003Date of Patent: November 8, 2005Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kenichi Fukuda, Mikio Shiono
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Patent number: 6949272Abstract: A method of producing a permanent demoulding layer by plasma polymerisation on the surface of a mould, in which a gradient layer structure is created in the demoulding layer by varying the polymerisation conditions over time.Type: GrantFiled: June 5, 2001Date of Patent: September 27, 2005Assignee: ACMOS Chemie GmbH & Co.Inventors: Horst Wochnowski, Holger Klyszcz-Nasko, Alfred Baalmann, Klaus-D Vissing
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Patent number: 6946537Abstract: Siloxane oligomers of the general formula I or II wherein at least one functionalized alkyl group is present per oligomer molecule. The siloxane oligomers are produced by oligomerization of halogenalkyltrihalogensilanes, and co-optionally co-oligomerized with (C1-C18)-alkyl-, phenyl-, aryl- or aralkyl-trihalogensilanes and/or silicon tetrachloride, in the presence of alcohol and water, following which the halogenalkyl function is optionally modified in a further step. The siloxane oligomers can be used as coupling agents in rubber mixtures or as building preservation agents.Type: GrantFiled: February 6, 2004Date of Patent: September 20, 2005Assignee: Degussa AGInventors: Roland Krafczyk, Björn Treffeisen, Jaroslaw Monkiewicz
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Patent number: 6916875Abstract: 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: GrantFiled: March 21, 2003Date of Patent: July 12, 2005Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Yasuhisa Osawa, Shinichi Sato, Masatoshi Arai
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Patent number: 6913832Abstract: The present invention provides a coating composition comprising: A coating composition comprising: TEOS; a surfactant; at least one organosilane; HCl; water; and ethanol. The present invention also provides films made from such a coating composition and a method for making such films.Type: GrantFiled: June 7, 2002Date of Patent: July 5, 2005Assignee: Science & Technology Corporation at University of New MexicoInventors: Hongyou Fan, Gabriel P. Lopez, Charles Jeffrey Brinker, Yunfeng Lu
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Patent number: 6911518Abstract: Processes have been developed for the manufacture of polyhedral oligomeric silsesquioxanes (POSS), polysilsesquioxanes, polyhedral oligomeric silicates (POS), and siloxane molecules bearing reactive ring-strained cyclic olefins (e.g. norbornenyl, cyclopentenyl, etc. functionalities). The preferred manufacturing processes employ the silation of siloxides (Si—OA, where A=H, alkaline or alkaline earth metals) with silane reagents that contain at least one reactive ring-strained cyclic olefin functionality [e.g., X3-ySi(CH3)y(CH2)2 where y=1-2 and X=OH, Cl, Br, I, alkoxide OR, acetate OOCR, peroxide OOR, amine NR2, isocyanate NCO, and R]. Alternatively, similar products can be prepared through hydrosilation reactions between silanes containing at least one silicon-hydrogen bond (Si—H) with ring-strained cyclic olefin reagents [e.g., 5-vinyl, 2 norbornene CH2?CH, cyclopentadiene]. The two processes can be effectively practiced using polymeric silsesquioxanes [RSiO1.Type: GrantFiled: December 21, 2000Date of Patent: June 28, 2005Assignee: Hybrid Plastics, LLCInventors: Joseph D. Lichtenhan, Joseph J. Schwab, Yi-Zong An, William Reinerth, Frank J. Feher
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Patent number: 6899955Abstract: A process for inhibiting the fouling of a substrate in a marine fouling environment, which comprises forming on the substrate, before exposure to the said environment, a coating comprising a curable fluorinated resin of the general formula: W-L-YFC—O—Rf—CFY-L-W wherein: W is a group of the general formula —Si(R1)?(OR2)3-?, wherein ?=0, 1, or 2, preferably ?=0, R1 and R2 independently have the meaning of linear of branched C1-C6 alkyl groups, optionally containing one or more ether groups, or C7-C12 aryl or alkyl groups, and preferably R1 and R2 are C1-C4 alkyl groups; L is an organic linking group; Y is F or CF3; and Rf is a group having an average molecular weight by number between 350 and 8000, preferably between 500 and 3000, and comprising repeating units having at least one of the following structures randomly distributed along the chain: —CFXO—, CF2CF2O—, CF2CF2CF2O—, CF2CF2CF2CF2O—, CR4R5CF2CF2O—, —(CF(CF3)CF2O)—, —CF2CF(CF3)O—, wherein X is F or CF3, R4 and R5 independently have the meaning of H, Cl,Type: GrantFiled: June 1, 2001Date of Patent: May 31, 2005Assignees: International Coatings Limited, Ausimont S.p.A.Inventors: Robert Lines, David Neil Williams, Stefano Turri
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Patent number: 6894137Abstract: A polyorganosiloxane block hydrocarbyl block polymer having utility as a release agent in toner fusing systems. The polymer has one or more polar linkages, with each such linkage bonding a polyorganosiloxane block and a hydrocarbyl block, and also including a polar functionality.Type: GrantFiled: June 5, 2003Date of Patent: May 17, 2005Assignee: Easman Kodak CompanyInventor: Jerry A. Pickering
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Patent number: 6891010Abstract: Vinyl carbonate endcapped polysiloxanes containing a fluorinated side chain are useful as biomaterials, especially hydrogel biomaterials, including contact lens materials.Type: GrantFiled: October 29, 2001Date of Patent: May 10, 2005Assignee: Bausch & Lomb IncorporatedInventors: Jay F. Kunzler, David E. Seelye
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Patent number: 6884512Abstract: The invention relates to an article superior in making a waterdrop slip down a surface of the article. This article includes a substrate; and a functional film formed on a surface of the substrate. This functional film contains: (a) a silica forming a matrix of the functional film; (b) a silylated-terminal dimethyl silicone represented by the general formula [A], the dimethyl silicone being in an amount of from 0.1 wt % to 10 wt %, based on a total weight of the silica; and (c) a fluoroalkylsilane represented by the general formula [B] B(CF2)rCH2CH2Si(CH3)3-s(O?s??[B].Type: GrantFiled: July 29, 2003Date of Patent: April 26, 2005Assignee: Central Glass Company, LimitedInventors: Yoshinori Akamatsu, Soichi Kumon, Kaname Hatakenaka, Haruki Kuramashi, Hiroaki Arai, Shigeo Hamaguchi
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Patent number: 6861149Abstract: The invention relates to compositions used for aqueous delivery of self-emulsifying fluorinated alkoxysilanes to substrates to provide oil and water resistive coatings for the substrates, a method of treating a substrate to render it oil and water repellent, and articles having coatings made from the compositions.Type: GrantFiled: May 29, 2003Date of Patent: March 1, 2005Assignee: 3M Innovative Properties CompanyInventors: Mark J. Pellerite, Michael S. Terrazas, Rudolf J. Dams
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Patent number: 6852299Abstract: Water-repellent porous silica having uniform pores, which comprises silica skeleton wherein fluorine atoms are fixed through covalent bonds and which has an alkali metal content of not more than 10 ppb, is synthesized. By the water-repellent porous silica, a water-repellent porous silica film having uniform pores, which is applicable to a light functional material or an electron functional material, a process for preparing the same and uses thereof can be provided.Type: GrantFiled: April 26, 2001Date of Patent: February 8, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Kazuo Kohmura, Akihiro Okabe, Takeshi Kubota, Yoshito Kurano, Masami Murakami
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Patent number: 6852368Abstract: A resin substrate having a hard coat formed from a hard coat composition which comprises colloidal silica, a silicon compound having a fluoroalkyl group and optionally an ultraviolet light absorbing organic group. This resin substrate can retain water-repellency even when it is used in the open air and prevent the adhesion of a stain while it keeps its abrasion resistance for a long time by the hard coat composition.Type: GrantFiled: April 12, 2002Date of Patent: February 8, 2005Assignee: Nippon Arc Co., Ltd.Inventors: Masayuki Takaguchi, Fujio Sawaragi
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Patent number: 6846873Abstract: The present invention relates to an end-modified diene copolymer and a rubber composition for tire tread containing the same. More particularly, the present invention relates to a polymer and a rubber composition for tire tread comprising a mixture of the polymer with a vulcanizing agent and an inorganic filler such as carbon black and silica, the polymer being prepared by reacting the active end of a conjugate diene polymer, or a copolymer comprising at least one conjugate diene compound and a vinyl-substituted aromatic compound, polymerization-initiated using an organic lithium catalyst, with a coupling agent. The rubber composition for tire treads comprising the end-modified diene copolymer as an ingredient rubber enhances rolling resistance and wet skid resistance as well as mechanical properties directly concerned to the properties of the tires.Type: GrantFiled: June 29, 2001Date of Patent: January 25, 2005Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: YoungHoon Ko, Dongll Yoon, DaiSeung Choi, JungSu Park
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Patent number: 6841596Abstract: A release agent comprising a perfluoroalkyl ether silazane polymer or a perfluoroalkyl or perfluoroalkyl ether silazane/alkylsilazane copolymer and an organic solvent is suitable for use in molds for silicone base rubber molding. The agent offers effective, long-lasting release properties and ease of molding.Type: GrantFiled: August 26, 2003Date of Patent: January 11, 2005Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Noriyuki Meguriya, Syuuichi Azechi, Naoki Yamakawa, Makoto Kusama
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Patent number: 6825267Abstract: A fluororubber composition comprising (A) a liquid perfluoro compound having at least two alkenyl groups and a divalent perfluorolakylene or perfluoropolyether structure, (B) a compound capable of addition reaction having at least two hydrosilyl groups, components (A) and (B) being combined and precured in the presence of an addition reaction catalyst to form a precured base, (C) a reinforcing filler, and (D) a peroxide crosslinking agent containing an isopropyl monocarbonate group has improved solvent resistance, chemical resistance, heat resistance and low-temperature properties, as well as satisfactory rubber physical properties, especially strength.Type: GrantFiled: June 10, 2003Date of Patent: November 30, 2004Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Yasuhisa Osawa