Chemical Treating Agent Contains A Silicon Atom Patents (Class 525/342)
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Patent number: 7723440Abstract: A functionalized polymer defined by the formula ?-R1-?, where ? is a polymer chain, R1 is a bond or a divalent organic group, and ? is a sulfur-containing heterocycle.Type: GrantFiled: August 29, 2003Date of Patent: May 25, 2010Assignee: Bridgestone CorporationInventors: Terrence E. Hogan, Christine Rademacher, William Hergenrother, David F. Lawson
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Publication number: 20100113706Abstract: This invention relates to an ethylene polymer comprising ethylene and up to 5 mole % of at least one comonomer, wherein the ethylene polymer has an Mw, of 10,000 to 50,000, an Mw/Mn of between 1.5 to 4.5, a density of at least 0.925 g/cc, an unsaturation level of less than 1 per 1000 carbons, a melting point of at least 120° C., a Tc of greater than Z, where Z=0.501×(density in kg/m3)?367, and a Brookfield viscosity o at 140° C. of 100,000 mPas or more.Type: ApplicationFiled: November 6, 2008Publication date: May 6, 2010Inventors: Donna J. Crowther, Kuangyao Brian Peng
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Publication number: 20100113707Abstract: The present invention relates to a process for reducing residuals content in a vinyl aromatic polymer, said residuals comprising essentially unpolymerized vinyl aromatic monomer, wherein the vinyl aromatic polymer in the molten state is brought in contact with a solid in powder capable to catalyze the alkylation of said residual vinyl aromatic monomer on the vinyl aromatic polymer. Advantage of the present invention is a sharp reduction of the unpolymerized vinyl aromatic monomer in the vinyl aromatic polymer without generating a new residual and without inducing a colored vinyl aromatic polymer. The present invention also relates to said vinyl aromatic polymer having a low residuals content.Type: ApplicationFiled: July 13, 2007Publication date: May 6, 2010Applicant: TOTAL PETROCHEMICALS RESEARCH FELUYInventors: Thomas-Maurice Roussel, France Bruno Vuillemin, Francois Fajula
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Publication number: 20100098947Abstract: Provided is an aqueous binder for inorganic fibers, which is formaldehyde-free, has excellent strength, and is suitable for use under conditions of weakly acidic to weakly basic, and by which a cured product composed of the binder having excellent strength is obtained, and an thermal and/or acoustical insulation material made of inorganic fiber using the same. The thermal and/or acoustical insulation material is molded by using an aqueous hinder for inorganic fibers including: an acrylic resin with an acid value of 350 to 850 mgKOH/g; a crosslinking agent containing at least one dialkanolamine; and a curing accelerator, in which a molar ratio of the total number of the hydroxyl groups and imino groups in the crosslinking agent to the total number of carboxyl groups in the acrylic resin is 0.8:1 to 1.5:1, and in which pH of the hinder is adjusted to 6.0 to 8.0 with a volatile basic compound.Type: ApplicationFiled: August 25, 2006Publication date: April 22, 2010Applicant: Asahi Fiber Glass Company, LimitedInventors: Akira Inoue, Yuka Akiyama
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Patent number: 7700694Abstract: A catalyst composition and a method for hydrogenating a polymer having a conjugated diene are provided. The catalyst composition includes (a) a first composition having one of a bis(cyclopendienyl, fluorenyl, indenyl and derivatives thereof) titanium compound and a mixture thereof; (b) a second composition having one selected from the group consisting of a first compound of a formula (II), a second compound of a formula (III) and a mixture thereof: wherein the formula (II) has a chain structure, the formula (III) has a cyclic structure, the R is C1˜C12 alkyl, the X1 and X2 are ones selected from the group consisting of C1˜C12 alkyl, C1˜C12 cycloalkoxy, aryl, C1˜C12 alkyl aryl and carbonyl, and n>1 and m>2; and (c) a third composition having an organic metallic compound.Type: GrantFiled: April 28, 2006Date of Patent: April 20, 2010Assignee: TSRC CorporationInventors: Fu Lin, Chih-Kuang Tsai, Shun-An Liu, Jing-Cherng Tsai
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Publication number: 20100087603Abstract: Organic-inorganic hybrid nanomaterials, comprising an inorganic portion (e.g., inorganic particles such as silica particles) that are coated/covered with one or more polymers compounds (i.e., the organic portion), and methods for synthesizing such hybrid nanomaterials are disclosed. Also disclosed are hybrid nanomaterials that comprise an inorganic portion (e.g., inorganic particles such as silica particles) that have one or more polymers or polymer portions (i.e., the organic portion) grafted and/or attached thereto, and methods for synthesizing such hybrid nanomaterials.Type: ApplicationFiled: October 26, 2007Publication date: April 8, 2010Applicant: THE UNIVERSITY OF AKRONInventors: William J. Brittain, Bindushree Radhakrishnan, Rajesh Ranjan
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Publication number: 20100063202Abstract: The invention includes a siloxy-amine functionalized rubbery polymer, which exhibits good reinforcing characteristics and filler dispersing effect, a method for making, and a rubber composition including the same. In one embodiment, a process for manufacturing includes polymerizing a conjugated diene monomer using an organolithium compound as an initiator in a hydrocarbon solvent. Next, an active terminal end of the polymer is reacted with a functionalized terminating agent represented by: RN—(CH2)XSi(OR1)3, ??Formula (I) wherein R, in combination with the nitrogen (N) atom, is a substituted or unsubstituted heterocyclic aromatic or non-aromatic compound which includes a ring structure with one or more nitrogen atoms as part of the ring; R1 represents a group having 1 to 18 carbon atoms selected from an alkyl, a cycloalkyl, an allyl, or an aryl; and X is an integer from 1 to 20.Type: ApplicationFiled: September 10, 2008Publication date: March 11, 2010Applicant: The Goodyear Tire & Rubber CompanyInventors: Adel Farhan Halasa, Nicola Constantini, Frank Schmitz
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Patent number: 7674854Abstract: It is an object of the present invention to provide a method of producing a polyvinyl acetal resin by which a polyvinyl acetal resin having a high acetalization degree can be produced even in a solid catalyst system, a polyvinyl butyral resin produced by the above-mentioned production method of a polyvinyl acetal resin, and a method of producing an esterified polyvinyl alcohol resin by which the esterification can be performed at high efficiency even in a solid catalyst system. The present invention is a method of producing a polyvinyl acetal resin, wherein a solution or a suspension containing a polyvinyl alcohol resin and a carbonyl compound is pressurized in the presence of a solid catalyst.Type: GrantFiled: August 4, 2004Date of Patent: March 9, 2010Assignee: Sekisui Chemical Co., Ltd.Inventors: Toshio Tada, Yohei Nishimura, Katsunori Toyoshima
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Patent number: 7671136Abstract: A functionalized polymer prepared by a process comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, the polymer having greater than about 85 percent in the 1,4-cis microstructure and less than about 3 percent in the 1,2- or 3,4-microstructure, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) or (II): where Z is a substituent that will react or interact with organic or inorganic fillers; with the proviso that each group attached to the imino carbon is attached via a carbon atom and R1, R2, R3, R4, R5, R13, R14 and Z are substituents that will not protonate a pseudo-living polymer.Type: GrantFiled: October 5, 2005Date of Patent: March 2, 2010Assignee: Bridgestone CorporationInventors: Yoichi Ozawa, H. Jerrold Miller, Koji Masaki
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Publication number: 20090318624Abstract: Provided herein are methods for preparing a polyolefin containing one or more exo-olefinic end groups on the polyolefin chain, comprising quenching an ionized polyolefin with an alkoxysilane or an ether. In some embodiments, the methods are represented by the following scheme: In some embodiments, the alkoxysilane or ether compound has the formula: wherein Y is carbon or silicon; R1 is hydrocarbyl; and R2-R4 are each, independently, hydrogen or hydrocarbyl.Type: ApplicationFiled: June 24, 2008Publication date: December 24, 2009Inventors: Robson F. Storey, Lisa K. Kemp
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Patent number: 7625979Abstract: Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula Rx—Si—(OR?)y, where x is 0 or 1, x+y=4, R and R? are the same or different, R is selected from aryl hydrocarbon radicals, linear alkyl hydrocarbon radicals and branched alkyl hydrocarbon radicals, and R? is selected from linear and branched alkyl hydrocarbon radicals, such that the resulting polymer composition contains less than about ten weight percent of uncoupled polymer diblock. The polymer compositions are subsequently selectively hydrogenated, and are useful in a variety of compounds and end use applications.Type: GrantFiled: June 4, 2003Date of Patent: December 1, 2009Assignee: Kraton Polymers U.S. LLCInventors: Harvey E. Atwood, Robert C. Bening, Mark Hageman, Dale L. Handlin, Jr., Adrie A van der Huizen, Kimberly A. Johnson, Carl L. Willis
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Publication number: 20090275705Abstract: The present invention has its object to provide an acrylic hot-melt pressure-sensitive adhesive composition showing only small changes in melt viscosity, showing good hot-melt applicability and excellent in initial cohesive force prior to moisture curing, and showing excellent tackiness and thermostable cohesive force after moisture curing. The present invention relates to a acrylic block copolymer which comprises an acrylic polymer block (A) and an acrylic polymer block (B) differing in glass transition temperature range and having at least one crosslinkable functional group (X) at its molecular termini; and a reactive hot-melt adhesive composition which comprises the acrylic block copolymer described above.Type: ApplicationFiled: March 27, 2006Publication date: November 5, 2009Applicant: KANEKA CORPORATIONInventors: Nao Fujita, Yoshiki Nakagawa
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Patent number: 7612146Abstract: The present invention relates to polycyclic polymers, methods for producing polycyclic polymers, and methods for their use as photoresists in the manufacture of integrated circuits. In one embodiment, the present invention relates to photoresist compositions formed from the polymerization of at least one halogenated polycyclic monomer or hydrohalogenated polycyclic monomer. In another embodiment, the present invention relates to photoresist compositions formed from the co-polymerization of at least one halogenated polycyclic monomer or hydrohalogenated polycyclic monomer with at least one non-halogenated polycyclic monomer.Type: GrantFiled: September 7, 2005Date of Patent: November 3, 2009Assignee: Sumitomo Bakelite Co., Ltd.Inventors: Larry F. Rhodes, Richard Vicari, Leah J. Langsdorf, Andrew A. Sobek, Edwin P. Boyd, Brian Bennett
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Patent number: 7612147Abstract: This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated silicon containing compound to produce a polymer which is terminated with halogenated silicon moieties, wherein the halogenated silicon contain compound has at least four halogen atoms which are bonded directly to silicon atoms, wherein the ratio of the lithium terminated rubbery polymer to halogen atoms in the halogenated silicon containing compound is within the range of 2:n to (n?1):n, wherein n represents the number of halogen atoms that are bonded directly to silicon atoms in the halogenated silicon containing compound, wherein the halogenated silicon containing compound contains at least three halogen atoms which are bonded directly to a silicon atom; (b) reacting the polymer which is terminated with halogenated silicon moieties with a molar excess of a tertiary alcohol to produce a polymer which is terminated with hydroxy silyl moieties; aType: GrantFiled: July 7, 2005Date of Patent: November 3, 2009Assignee: The Goodyear Tire & Rubber CompanyInventors: Adel Farhan Halasa, Wen-Liang Hsu, Chad Aaron Jasiunas
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Patent number: 7601781Abstract: The present invention has for its object to provide a curable composition which, despite its low viscosity, gives a cured product with a high gel fraction, low residual tack, low modulus, high elongation and good flexibility. The present invention relates to a curable composition comprising the following two components: (A) a vinyl polymer having at least one crosslinking silyl group on the average per molecule: and (B) a photocurable substance, (C) an air oxidation-curable substance, (D) a high molecular plasticizer, (E) a reactive plasticizer or (F) a compound having one silanol group in its molecule and/or a compound capable of reacting with moisture to give a compound having one silanol group in the molecule.Type: GrantFiled: March 17, 2008Date of Patent: October 13, 2009Assignee: Kaneka CorporationInventors: Masayuki Fujita, Nobuhiro Hasegawa, Yoshiki Nakagawa
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Publication number: 20090230360Abstract: An aluminum chelate-based latent curing agent, which can cure a thermosetting epoxy resin at a relatively low temperature in a short time, is made latent by reacting a silsesquioxane-type oxetane derivative with an aluminum chelating agent in the presence of an alicyclic epoxy compound, and then further reacting the resultant mixture with a liquid epoxy resin and an imidazole compound or with an aromatic vinyl compound and a radical polymerization initiator.Type: ApplicationFiled: January 17, 2008Publication date: September 17, 2009Applicant: SONY CHEMICAL & INFORMATION DEVICE CORPORATIONInventors: Katsuhiko Komuro, Masahiko Ito, Tadasu Kawashima, Daisuke Masuko
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Publication number: 20090233093Abstract: There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition is prepared to include a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 50% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit; 0.01 to 2 parts by weight of a peroxide as a crosslinking agent; and 0.Type: ApplicationFiled: March 13, 2009Publication date: September 17, 2009Applicant: NITTO DENKO CORPORATIONInventors: Yuusuke TOYAMA, Shinichi INOUE, Mizue NAGATA, Toshitsugu HOSOKAWA
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Patent number: 7589152Abstract: The invention relates to an adhesive composition comprising (i) one or more styrenic block copolymer compositions, (ii) a tackifier resin, and (iii) one or more plasticizers, wherein said styrenic block copolymer composition comprises: a. a tetra-branched block copolymer (IV) represented by the general formula (A-B)4X; b. a tri-branched block copolymer (III) represented by the general formula (A-B)3X; c. a di-branched block copolymer (II) represented by the general formula (A-B)2X; and d. a linear diblock copolymer (I) represented by the general formula A-B; where: i. A represents a polymer block of a mono alkenyl arene; ii. B represents a polymer block of a mixture of isoprene and 1,3-butadiene in a weight ratio of isoprene to butadiene from about 70:30 to about 40:60; iii. X represents the residue of a multi-functional coupling agent; iv. the weight percent of A blocks is from about 14% to about 22%; v.Type: GrantFiled: December 13, 2004Date of Patent: September 15, 2009Assignee: Kraton Polymers U.S. LLCInventor: Donn A. DuBois
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Patent number: 7581505Abstract: The present invention involves a process for caulking a ship deck includes the steps of bonding planks of tropical wood on the subdeck of said ship, sealing said planks through the application of a moisture curable sealing composition, and allowing said composition to cure during an effective period of time, characterized in that said moisture curable sealing composition comprises one or more silyl-modified polyacrylate(s).Type: GrantFiled: November 16, 2005Date of Patent: September 1, 2009Inventors: Marcel I'Abee, Petrus Johannes Cornelius Vosters, Petrus Wilhelmus Johannes Van Beers
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Publication number: 20090203826Abstract: The invention includes a siloxy-imine functionalized rubbery polymer, which exhibits good reinforcing characteristics and filler dispersing effect, a method for making, and a rubber composition including the same. In one embodiment, a process for manufacturing the functionalized rubbery polymer includes polymerizing a conjugated diene monomer using an organolithium compound as an initiator in a hydrocarbon solvent. Next, an active terminal end of the polymer is reacted with a functionalized terminating agent, represented by the general formula: RCH?N(CH2)XSi(OR1)YR23-Y, ??Formula (1) wherein R represents a group consisting of an aryl or substituted aryl having 6 to 18 carbon atoms, or a heterocycle or heteroaryl having 3 to 18 carbon atoms; R1 and R2 each independently represents a group having 1 to 18 carbon atoms selected from an alkyl, a cycloalkyl, an allyl, and or aryl; X is an integer from 1 to 20; and Y is an integer from 1 to 3.Type: ApplicationFiled: February 13, 2008Publication date: August 13, 2009Inventors: Michael Joseph Rachita, Kenneth Allen Bates, Vanessa Marika Riedlinger, Tang Hong Wong
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Patent number: 7560503Abstract: The present invention relates to gels prepared from novel anionic block copolymers of aromatic vinyl compounds and conjugated dienes. The block copolymers include a high molecular weight linear and/or radial block copolymer component (SBC1 and/or SBC2), and a diblock component (E1). The block copolymer may be combined with tackifying resins, oils and other components to form the gels of the present invention.Type: GrantFiled: June 3, 2004Date of Patent: July 14, 2009Assignee: Kraton Polymers U.S. LLCInventors: David J. St. Clair, Willem C. Vonk, Cornelis Martinus van Dijk
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Publication number: 20090159228Abstract: A size composition for reinforcement fibers used to form non-woven mats that contain variable amounts of individual filaments dispersed from chopped reinforcement fiber bundles is provided. The size composition contains a polyvinylamine film former, one or more silane coupling agents, and, optionally a lubricant. The size composition works in conjunction with the whitewater components in a wet-laid mat forming process to disperse individual filaments from the bundles of chopped fibers. The whitewater contains an anionic polyacrylamide viscosity modifier and/or a cationic or non-ionic amine dispersant (e.g., ethoxylated amine). The presence of a cationic or non-ionic amine in the whitewater disperses individual filaments from the chopped glass fiber bundles. The greater the amount of cationic or non-ionic amine present in the whitewater, the greater the amount of fiber dispersion.Type: ApplicationFiled: December 21, 2007Publication date: June 25, 2009Inventors: Annabeth Law, Scott W. Schweiger, Leonard J. Adzima, Paul R. Krumlauf
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Patent number: 7550540Abstract: The disclosure herein relates to organofunctional silanes and mixtures of organofunctional silanes possessing mercaptan and hydrocarbyl and/or heterocarbyl functionality. These silanes reduce or eliminate the generation of volatile organic compounds (VOC's) during use, aid in the processing of filled elastomeric materials and enhance the end-use properties of the filled elastomer. The present disclosure relates to a rubber composition and article comprising these silanes.Type: GrantFiled: August 14, 2006Date of Patent: June 23, 2009Assignee: Momentive Performance Materials Inc.Inventors: Antonio Chaves, Eric R. Pohl, Christopher M. Hartshorn
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Publication number: 20090143539Abstract: The present invention is directed to a high melt flow rate high crystallinity polypropylene homopolymer. The present invention likewise describes a bulk polymerization process using a Ziegler-Natta catalyst to produce the high melt flow rate high crystallinity polypropylene homopolymer according to the invention.Type: ApplicationFiled: November 30, 2007Publication date: June 4, 2009Applicant: SUNOCO, INC. (R&M)Inventors: Craig C. Meverden, Sehyun Kim
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Publication number: 20090143538Abstract: A silane-coupling-agent-treated silica having a sulfur-deviation range of 50 to 200%, comprising 100 parts by mass of silica surface-treated with 1 to 50 parts by mass of a silane coupling agent represented by the following general formula (1): Y3-Si-Z-S—CO—R (wherein Y is an acetoxy group or an alkoxy group with 1 to 6 carbon atoms, Z is an alkylene group with 1 to 8 carbon atoms, and R is a hydrocarbon group with 1 to 18 carbon atoms) is disclosed. Furthermore, a vibration-damping and vibration-isolating rubber composition comprising 100 parts by mass of a raw rubber material having C—C bonds in the main chain and 1 to 200 parts of the aforementioned silane-coupling-agent-treated silica is claimed.Type: ApplicationFiled: August 9, 2005Publication date: June 4, 2009Applicant: DOW CORNING TORAY CO., LTD.Inventors: Yasuo Nomura, Susumu Takahashi
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Patent number: 7534839Abstract: Anionically-polymerized living polymers are sequentially functionalized with certain agents X? and Y?. A method of preparing a functionalized polymer comprising the steps of reacting the polymer with a functionalizing agent X?, and then further reacting the polymer with a functionalizing agent Y?.Type: GrantFiled: June 9, 2004Date of Patent: May 19, 2009Assignee: Bridgestone CorporationInventors: David F. Lawson, Christine Rademacher, Christopher Robertson
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Patent number: 7528199Abstract: A method for producing an alkoxysilyl group-containing conjugated diolefin (co)polymer rubber by polymerizing a conjugated diolefin or a conjugated diolefin and an aromatic vinyl compound in a hydrocarbon solvent by anionic polymerization using as an initiator at least one metal compound selected from an organic alkali metal compound and an organic alkali earth metal compound, and then allowing an alkoxysilane-based compound to react, wherein after the alkoxysilane-based compound has been allowed to react, an alkaline compound is added at the time of desolvation, and treatment is conducted at a pH of 8 to 12.Type: GrantFiled: March 14, 2005Date of Patent: May 5, 2009Assignee: JSR CorporationInventors: Kouta Taniguchi, Keisuke Tsukimawashi, Naokazu Kobayashi, Toshihiro Tadaki
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Patent number: 7521509Abstract: The invention provides a fluoropolymer composition capable of improving the characteristics of the cured material obtained therefrom. A fluoropolymer composition comprising a methylene group-containing fluoropolymer (A) and a hydrosilylation catalyst (B), wherein the methylene group-containing fluoropolymer (A) has methylene group-containing repeating units in the main chain thereof and is capable of hydrosilylation in the presence of the hydrosilylation catalyst (B) and one terminus of the chain is a carbon-carbon double bond or an Si—H group and the other terminus of the chain is an Si—H group or a carbon-carbon double bond.Type: GrantFiled: December 4, 2003Date of Patent: April 21, 2009Assignee: Daikin Industries, Ltd.Inventors: Tatsuya Morikawa, Manabu Fujisawa, Mitsuru Kishine
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Patent number: 7517936Abstract: A curable sealant composition is provided. The composition includes a polymer including at least conjugated dime contributed monomer units in a backbone of the polymer and terminal groups including silicon. The composition also includes additional sealant ingredients selected from the group consisting of plasticizers, filler, reinforcing agents, modifiers, curing catalysts/hardeners, stabilizers, and mixtures thereof.Type: GrantFiled: April 2, 2004Date of Patent: April 14, 2009Assignee: Bridgestone CorporationInventors: Takayuki Yako, Jason T. Poulton, Yuan-Yong Yan
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Publication number: 20090088517Abstract: A curative composition comprising a cation and an anion of the formula Anq?Qpm+, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq? is an anion, provided that at least one Aq? is selected from the formula: wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R? groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R? can be the same as R, with the proviso that R? cannot be halo. Also provided are a fluoropolymer composition including this curative, a method of making a fluoropolymer, and fluoropolymer articles containing curable or cured fluoropolymer compositions.Type: ApplicationFiled: June 13, 2008Publication date: April 2, 2009Inventors: Werner M.A. Grootaert, Eric W. Adair, Miguel A. Guerra
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Publication number: 20090088531Abstract: A polymeric composition comprising a polymer and a nucleation agent, and having isotropic shrinkage of less than about 20% and a differential shrinkage of less than about 20%.Type: ApplicationFiled: September 25, 2008Publication date: April 2, 2009Applicant: FINA TECHNOLOGY, INC.Inventors: Dang Le, Jerome Thierry-Mieg, Doug Burmaster, Frank Li
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Publication number: 20090062456Abstract: This invention discloses a process for manufacturing an elastomeric article by liquid injection molding, said process comprising the steps of: (I) heating a curable composition comprised of (1) a liquid polymer comprised of repeat units that are derived from a conjugated diolefin monomer, wherein said liquid polymer has a weight average molecular weight which is within the range of 5,000 to 100,000, and wherein the liquid polymer is functionalized with an amine moiety, (2) a carbonyl inhibited platinum catalyst, and (3) a tetrakis(dialkyl siloxy) silane crosslinking agent, to a temperature which is within the range of 30° C. to 100° C.; (II) injecting the heated curable composition into a mold at a temperature which is within the range of 100° C. to 210° C. to produce the elastomeric article; and (III) removing the elastomeric article from the mold.Type: ApplicationFiled: November 7, 2008Publication date: March 5, 2009Applicant: THE GOODYEAR TIRE & RUBBER COMPANYInventors: Michael Joseph Rachita, Vanessa Marika Guscoff, Lawson Gibson Wideman
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Patent number: 7498387Abstract: A first-order modified, hydrogenated polymer comprising (1) a hydrogenated polymer obtained by hydrogenating at least one unhydrogenated polymer selected from the group consisting of a polymer comprising conjugated diene monomer units and a copolymer comprising conjugated diene monomer units and vinyl aromatic hydrocarbon monomer units, and (2) a functional group-containing first-order modifier group bonded to the hydrogenated polymer (1), wherein the content of the vinyl aromatic hydrocarbon monomer units, vinyl aromatic hydrocarbon block ratio, weight average molecular weight, and hydrogenation ratio (as measured with respect to the double bonds in the conjugated diene monomer units) of the first-order modified, hydrogenated polymer are, respectively, within specific ranges.Type: GrantFiled: April 10, 2003Date of Patent: March 3, 2009Assignee: Asahi Kasei Chemicals CorporationInventors: Takaaki Matsuda, Shigeki Takayama, Toshinori Shiraki, Shigeo Nakajima, Yasuhiro Kusanose
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Publication number: 20090029179Abstract: A two-liquid composition, includes (A) a first liquid composition that contains a hydrophilic polymer having a hydrolyzable silyl group; and (B) a second liquid composition that contains a catalyst capable of accelerating reaction of the hydrolyzable silyl group, and a hydrophilic member is formed by mixing the first liquid composition (A) and the second liquid composition (B), coating a substrate with the resultant mixture and drying the mixture coated.Type: ApplicationFiled: May 13, 2008Publication date: January 29, 2009Applicant: FUJIFILM CorporationInventors: Makoto FUKUDA, Satoshi HOSHI, Yoshiaki KONDO
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Publication number: 20090005496Abstract: A method for producing a conjugated diene polymer is provided that includes a step of polymerizing a conjugated diene-containing monomer in a hydrocarbon solvent in the presence of an alkali metal catalyst, thus giving a polymer having a catalyst-derived alkali metal at one terminus of a polymer chain comprising a conjugated diene-based monomer unit, and a step of reacting the polymer obtained in the step of polymerizing and a trialkoxysilane compound represented by the formula below. (In the formula, M denotes an oxygen atom or a sulfur atom, R1, R2, and R3 independently denote an alkyl group having 1 to 4 carbon atoms, m denotes an integer of 1 to 5, and n denotes an integer of 0 to 5.Type: ApplicationFiled: June 17, 2008Publication date: January 1, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Naoaki MAEDA, Mayumi Oshima, Katsunari Inagaki
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Publication number: 20090005497Abstract: A method for producing a conjugated diene polymer is provided that includes a step of polymerizing a conjugated diene-containing monomer in a hydrocarbon solvent in the presence of an alkali metal catalyst, thus giving a polymer having a catalyst-derived alkali metal at one terminus of a polymer chain comprising a conjugated diene-based monomer unit, and a step of reacting the polymer obtained in the step of polymerizing and a trialkoxysilane compound represented by the formula below. (In the formula, Y and Z independently denote an oxygen atom or a sulfur atom, R1, R2, and R3 independently denote an alkyl group having 1 to 4 carbon atoms, m denotes an integer of 1 to 5, and n denotes an integer of 0 to 5.Type: ApplicationFiled: June 17, 2008Publication date: January 1, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Naoaki MAEDA, Mayumi Oshima, Katsunari Inagaki
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Patent number: 7470742Abstract: The present invention provides a rubber composition for covering a carcass cord, which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum resources in future, reduce rolling resistance and improve rubber strength and processability, and a tire prepared by using the rubber composition. The rubber composition for covering a carcass cord of the present invention comprises 25 to 80 parts by mass of silica, 1 to 15 parts by mass of a silane coupling agent and 3 to 30 parts by mass of an organic vulcanizing agent represented by the following general formula (1): —(R—Sx)n— wherein R is —(CH2—CH2—O)m—CH2—CH2—; x is an integer of 2 to 6; n is an integer of 10 to 400; and m is an integer of 2 to 5, based on 100 parts by weight of a diene rubber, and a tire prepared by using the rubber composition.Type: GrantFiled: June 12, 2007Date of Patent: December 30, 2008Assignee: Sumitomo Rubber Industries, Ltd.Inventor: Tetsuya Kunisawa
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Patent number: 7458406Abstract: There is provided a rubber composition for a side wall, wherein an amount ratio of resources other than petroleum are increased so as to be ecological and take measures for the decrease in supply of petroleum in the future, which further has excellent flex crack resistance and strength. A rubber composition for a side wall comprising 20 to 60 parts by weight of silica based on 100 parts by weight of a rubber component comprising 40 to 80% by weight of a natural rubber and 60 to 20% by weight of at least one rubber selected from the group consisting of a butadiene rubber, a styrene-butadiene rubber and an epoxidized natural rubber, and 4 to 16 parts by weight of a silane compound represented by the following formula: Xn—Si—Y4-n (wherein X represents an ethoxy group or a methoxy group, and Y represents a phenyl group or an alkyl group) based on 100 parts by weight of silica.Type: GrantFiled: August 11, 2006Date of Patent: December 2, 2008Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Takao Wada, Mamoru Uchida, Tomoaki Hirayama
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Patent number: 7449518Abstract: A novel process for preparation of block copolymers containing, for example, alpha-methyl-styrene/styrene glassy blocks is claimed, where the glassy blocks contain 25-50 mol % alpha-methyl-styrene and have Tg values in the range of 120 to 140° C. The copolymerization process, which is conducted at 35 to 60° C. and relatively high solids contents and with continuous addition of styrene, results in very high conversions of the alpha-methyl-styrene. Selectively hydrogenated block copolymers having high glassy block Tg values are also disclosed and claimed as well as high service temperature elastomeric compositions comprising the block copolymer and an olefin polymer or copolymer.Type: GrantFiled: March 20, 2007Date of Patent: November 11, 2008Assignee: Kraton Polymers U.S. LLCInventors: Robert C. Bening, Carl L. Willis, Xavier Muyldermans
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Patent number: 7439308Abstract: A method for producing a (meth)acrylic polymer having crosslinkable silyl groups at the termini, comprising a step of adding a hydrosilane compound having a crosslinkable silyl group to an alkenyl-terminated (meth)acrylic polymer (A), which is prepared by atom transfer radical polymerization, in the presence of a platinum hydrosilylation catalyst. The amount of the platinum hydrosilylation catalyst is 0.1 to 10 mg on a platinum metal basis per kilogram of the alkenyl-terminated (meth)acrylic polymer (A). An object of the invention is to provide a method for producing a (meth)acrylic polymer having terminal crosslinkable silyl.Type: GrantFiled: April 18, 2003Date of Patent: October 21, 2008Assignee: Kaneka CorporationInventors: Shigeki Ohno, Yoshiki Nakagawa, Kenichi Kitano, Masanao Takeda, Nao Fujita
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Publication number: 20080213491Abstract: A method includes admixing a plurality of fluoropolymer chains, a plurality of basic metal oxide polymers, and a plurality of organic grafts. Each of the plurality of organic grafts includes a phenol end group, a linking group, and at least one silane end group. The phenol end groups of the organic grafts are reacted with the plurality of fluoropolymer chains to form a silane functionalized fluoropolymer.Type: ApplicationFiled: March 1, 2007Publication date: September 4, 2008Inventors: Carolyn Patricia Moorlag, Nan-Xing Hu, Yu Qi, Kathy Lynn De Jong
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Patent number: 7419723Abstract: It is an object of the present invention to provide a base coating composition for decorated moldings containing silver plating layer and a top clear coating composition for decorated moldings containing silver plating layer, and decorated moldings obtainable by using these compositions; the compositions and moldings are to be excellent in silver deposition tendency, basecoat film smoothness, adhesion and/or film appearance.Type: GrantFiled: June 3, 2004Date of Patent: September 2, 2008Assignees: Honda Motor Co., Ltd., Nippon Bee Chemical Co., Ltd.Inventors: Tatsuya Itakura, Takashi Yamamoto, Manabu Yamaoka, Toshihiko Uchiyama
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Patent number: 7417092Abstract: Methods are described herein for converting carbocationically terminated polymers to anionically terminated polymers. These methods comprise: (a) providing a carbocationically terminated polymeric moiety; (b) reacting the carbocationically terminated polymeric moiety with a heterocyclic compound of the formula where —X— is selected from —S—, —O—, —NH— and —NR—, and where R is an alkyl group or an aryl group, thereby providing an end-capped polymeric moiety; and (c) reacting the end-capped polymeric moiety with an organolithium compound to yield an anionically terminated polymeric moiety. Also described are block copolymers in which a first polymer block comprising cationically polymerized monomers is linked to a second polymer block comprising anionically polymerized monomers by a group, as well as a polymer in which a polymer block comprising cationically polymerized monomers is linked to a halogenated silane residue or a carbosilane residue by a group.Type: GrantFiled: June 18, 2004Date of Patent: August 26, 2008Assignee: University of Massachusetts LowellInventors: Rudolf Faust, Axel H. E. Mueller
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Patent number: 7417089Abstract: This invention discloses a process for manufacturing an elastomeric article by liquid injection molding, wherein the article has improved tensile strength and improved tear strength, said process comprising the steps of: (I) heating a curable composition comprised of (1) a liquid polymer comprised of repeat units that are derived from a conjugated diolefin monomer, wherein said liquid polymer has a weight average molecular weight which is within the range of 5,000 to 100,000, and wherein the liquid polymer is functionalized with an ether moiety, (2) a carbonyl inhibited platinum catalyst, and (3) a tetrakis(dialkyl siloxy) silane crosslinking agent, to a temperature which is within the range of 30° C. to 100° C.; (II) injecting the heated curable composition into a mold at a temperature which is within the range of 100° C. to 210° C. to produce the elastomeric article; and (III) removing the elastomeric article from the mold.Type: GrantFiled: October 12, 2006Date of Patent: August 26, 2008Assignee: The Goodyear Tire & Rubber CompanyInventors: Michael Joseph Rachita, Vanessa Marika Guscoff, Lawson Gibson Wideman
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Publication number: 20080199705Abstract: A coating composition includes, with respect to (1) 100 parts by weight of epoxy-group contained polyester modified vinyl polymer (D) obtained by copolymerization of a vinyl monomer (A) containing an alicyclic epoxy group and a vinyl monomer (B) containing polyester in a side chain, (2) 0.01 to 10 parts by weight of an organic metal compound, and (3) 0.01 to 10 parts by weight of a silicon compound having a silanol group.Type: ApplicationFiled: January 31, 2008Publication date: August 21, 2008Applicant: ORIGIN ELECTRIC COMPANY, LIMITEDInventor: Kaoru Mochizuki
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Publication number: 20080188624Abstract: A curable composition, which comprises: (A) an organic polymer having a reactive silicon-containing group, (B) a carboxylic acid and/or a metal salt of a carboxylic acid, (C) an amine compound having no reactive silicon group, (D) a silane compound substituted with an amino group and (E) a silane compound substituted with an epoxy group, wherein the ratio of the molar number (d) of all amino groups of the silane compound substituted with an amino group (D) contained in the composition to the molar number (e) of all epoxy groups of a silane compound substituted with an amino group (E) contained in the composition (i.e., the ratio of (d)/(e))) is 1 or more, and further the total amount of the component (D) and the component (E) with respect to 100 g of the component (A) is 30 mmol or more.Type: ApplicationFiled: December 20, 2005Publication date: August 7, 2008Applicant: KANEKA CORPORATIONInventors: Ayako Yano, Toshihiko Okamoto
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Publication number: 20080188613Abstract: A process for producing a modified polymer which increases low heat buildup and reinforcing capability of a rubber composition and which has excellent abrasion resistance, mechanical characteristics, and processability; a modified polymer obtained by the process; and a rubber composition using the modified polymer are provided. The process comprises a step of carrying out a modification reaction on the active end of a conjugated diene polymer having a vinyl content of below 10%, a cis-1,4 bond content of 75% or higher, and an active end, using an alkoxysilane compound, and a step of carrying out a condensation reaction in the presence of a condensation accelerator comprising a compound of an element belonging to at least one of the groups 4A (excluding Ti), 2B, 3B, and 5B of the periodic table.Type: ApplicationFiled: March 17, 2006Publication date: August 7, 2008Applicant: JSR CORPORATIONInventors: Ryouji Tanaka, Kouichirou Tani, Takuo Sone, Toshihiro Tadaki
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Publication number: 20080161500Abstract: A process for preparing silicone-containing polymers comprises free-radical polymerization of one or more ethylenically unsaturated organic monomers in the presence of copper-free free-radical initiator and one or more polymerization regulators, wherein a polymerization regulator is a silicone which contains at least one aldehyde group.Type: ApplicationFiled: May 11, 2006Publication date: July 3, 2008Applicant: WACKER CHEMIE AGInventors: Kurt Stark, Christian Ochs
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Publication number: 20080153989Abstract: A process for controlling the scorch time (ST) in the vulcanization of vulcanizable blends containing a composition to be vulcanized, hydrophobized silicic acid and zinc oxide particles wherein the scorch time control is effected by the size and number of zinc oxide particles (amount). The process of the invention is also suitable for preparing vulcanized rubber articles.Type: ApplicationFiled: November 30, 2007Publication date: June 26, 2008Inventors: Klaus Diekstall, Burkhardt Jahn, Peter Schubert, Sven Hessdoefer
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Publication number: 20080146745Abstract: A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a protected oxime compound.Type: ApplicationFiled: December 13, 2007Publication date: June 19, 2008Inventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki