Interpolymer With Aromatic Hydrocarbon Patents (Class 525/332.9)
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Patent number: 8750762Abstract: To provide a charging member that can have a uniform electrical resistance, can not easily change in electrical resistance even by any long-term continuous electrification and, as a result thereof, may cause less change in its charging performance with time. A charging member having a conductive support and an elastic-material layer; the elastic-material layer comprising a vulcanized rubber; the vulcanized rubber being a vulcanized product of a composition which comprises i) a binder polymer comprising a polymer having a butadiene skeleton and ii) carbon black as electrically conductive particles; and the polymer having a butadiene skeleton has a molecular terminal modified with an atomic group having a specific structure.Type: GrantFiled: February 15, 2011Date of Patent: June 10, 2014Assignee: Canon Kabushiki KaishaInventors: Masaaki Harada, Hiroaki Watanabe, Keiji Nose
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Patent number: 8748531Abstract: A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer; and reacting the reactive polymer with a protected oxime compound containing an acyl group.Type: GrantFiled: December 10, 2010Date of Patent: June 10, 2014Assignee: Bridgestone CorporationInventor: Steven Luo
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Patent number: 8742028Abstract: The present invention provides a solid support for Fmoc-solid phase synthesis of peptides. In particular, the solid supports of the invention may be utilized to produce peptide acids.Type: GrantFiled: May 4, 2010Date of Patent: June 3, 2014Assignee: Mallinckrodt LLCInventors: Kripa S. Srivastava, Matthew R. Davis
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Publication number: 20140148555Abstract: The present invention is directed to a self-healing rubber composition comprising a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a partitioned metal ion. The invention is further directed to a pneumatic tire comprising the self-healing rubber composition.Type: ApplicationFiled: November 27, 2012Publication date: May 29, 2014Applicant: THE GOODYEAR TIRE & RUBBER COMPANYInventors: Ralf Mruk, Christian Jean-Marie Kaes, Robert Fokko Roskamp
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Patent number: 8716409Abstract: A composition includes a baleable polymer resulting from the polymerization of at least one conjugated diene in the presence of an anionic initiator. The baleable polymer has carboxylate termination resulting from the addition of carbon dioxide to terminate the polymerization reaction. The polymer has Mooney ML1+4 viscosity of >35 and a solution viscosity of X, where X is >75 cP. The addition of an lonolizer to a composition that includes the polymer reduces the solution viscosity of the polymer from X to Y where Y meets the following formula: 0.4X?Y?0.58X. The baleable polymer is blended with impact-modified plastics resulting in improved izod values and optical qualities. Processes for making and utilizing the polymer composition, and ionolizer are also described.Type: GrantFiled: December 29, 2006Date of Patent: May 6, 2014Assignee: Firestone Polymers, LLCInventor: Mark N. DeDecker
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Publication number: 20140107298Abstract: A method for preparing a functionalized polymer, the method comprising providing a reactive polymer, where the reactive polymer includes an oxygen anion, a sulfur anion, or a nitrogen anion, reacting the reactive polymer with carbon disulfide to form a polymer including a dithio carboxyl group, and reacting the polymer including the dithio carboxyl group with a blocking agent.Type: ApplicationFiled: December 17, 2013Publication date: April 17, 2014Applicant: Bridgestone CorporationInventors: Terrence E. HOGAN, WIlliam L. HERGENROTHER
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Publication number: 20140080978Abstract: The invention provides dispersing agents for inorganic fillers capable of uniformly dispersing inorganic fillers in a substrate such as made of a rubber or resin material such that molded products with improved mechanical strength and abrasion resistance can be produced from such a substrate material and more specifically that rubber compositions with improved abrasion resistance and workability can be obtained and that automobile tires with improved low fuel consumption and handling stability can be produced from such rubber compositions, as well as a method of producing such dispersing agents characterized as using a modified conjugated diene polymer obtained by introducing specified structural units with improved mutual reaction with inorganic fillers into a conjugated diene polymer having affinity with rubber and resin materials.Type: ApplicationFiled: November 15, 2013Publication date: March 20, 2014Inventors: Yuji Ohi, Makoto Hattori, Ippei Noda, Akira Miyano, Hironari Matsumoto
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Publication number: 20140066578Abstract: A method for hydrogenating a polymer containing vinyl aromatic block and the hydrogenated polymer are provided. The method includes providing a polymer having at least one vinyl aromatic block; and hydrogenating the polymer in presence of a heterogeneous catalyst on a support, wherein the heterogeneous catalyst consists essentially of Ru, Zn and B, or Ru, Zn and P.Type: ApplicationFiled: October 31, 2012Publication date: March 6, 2014Applicant: TSRC CORPORATIONInventors: Chih-Wei Hsu, Hung-Chieh Hou, Man Yin Lo
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Publication number: 20140039107Abstract: A composition includes a polymer matrix, a multiple-acid-derived metal soap, wherein the metal has an oxidation state of +3 or +4. An associated method for making a rubber composition includes the steps of: combining a solvent and a multiple carboxylic, phosphonic, phosphoric, sulfuric, or sulfonic acid, or mixtures thereof, and mixing to form solution A; adding a source of metal ions to solution A and mixing to form a product A, the metal being selected from the metals having an oxidation state of +3 or +4, whereby product A includes a multiple-acid-derived metal soap; and combining the multiple-acid-derived metal soap with a diene rubber.Type: ApplicationFiled: March 4, 2013Publication date: February 6, 2014Applicant: BRIDGESTONE CORPORATIONInventor: BRIDGESTONE CORPORATION
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Patent number: 8642706Abstract: A macromolecule includes a functional group including imine functionality bonded to a polymer chain. Where desired, the functional group also can contain additional (e.g., amine and/or silane) functionality. The material can be provided by reacting a polymer including carbonyl functionality with a compound including a primary amino group. The functional group can interact with particulate filler such as, e.g., carbon black and silica.Type: GrantFiled: February 10, 2012Date of Patent: February 4, 2014Assignee: Bridgestone CorporationInventor: Yuan-Yong Yan
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Patent number: 8642704Abstract: A functionalized polymer terminated by using an isocyanato alkoxysilane terminating agent. A method of preparing a functionalized polymer comprising the step of contacting a living polymer with an isocyanato alkoxysilane terminating agent.Type: GrantFiled: May 24, 2010Date of Patent: February 4, 2014Assignee: Bridgestone CorporationInventors: Christine Rademacher, David F. Lawson, Terrence E. Hogan
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Publication number: 20140024729Abstract: The present disclosure provides a polymer electrolyte membrane chemically bonded with an ionic liquid. More particularly, the present disclosure provides a polymer electrolyte membrane chemically bonded with an ionic liquid by reacting the ionic liquid with a novel polymer chain terminal. The polymer electrolyte membrane described herein has a high hydrogen ionic conductivity, even in a high-temperature and anhydrous environment. Additionally, the membrane displays electro-chemical and thermal stability. Moreover, the polymer electrolyte membrane may also be applied to a high-temperature and dry-out bio fuel cell.Type: ApplicationFiled: November 28, 2012Publication date: January 23, 2014Applicants: POSTECH ACADEMY-INDUSTRY FOUNDATION, HYUNDAI MOTOR COMPANYInventors: Young Taek Kim, In Chul Hwang, Nak Hyun Kwon, Moon Jeong Park, Jae Wan Hong
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Patent number: 8633280Abstract: The present invention provides methods of depolymerizing and hydrogenating polymers using a transition metal catalyst represented by formula Ia or Ib: where the structural variables are defined herein.Type: GrantFiled: March 30, 2011Date of Patent: January 21, 2014Assignee: Zannan Scitech Co., LtdInventor: Zheng-Yun James Zhan
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Patent number: 8618216Abstract: A functionalized polymer includes a directly bonded moiety, which can be located at a terminus of the polymer, defined by the formula CR1R2NH—OSi where each R1 and R2 independently is a substituted or unsubstituted hydrocarbyl group and where the Si atom can be bonded through similar moieties to up to three other polymers and/or to the appropriate number of non-interfering groups. The polymer can be provided by introducing a ketoximesilane compound into a system that includes carbanionic (living) polymer. Such polymers can be used in the production of compositions that include particulate fillers.Type: GrantFiled: November 16, 2012Date of Patent: December 31, 2013Assignee: Bridgestone CorporationInventors: Yaohong Chen, Yuan-Yong Yan
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Publication number: 20130338300Abstract: The present invention relates to polymers functionalized by terminal groups, where these have, at the chain end, an ether-containing carbinol group of the formula (I) ?O-A-OH]??(I) where A is a divalent organic moiety which can comprise not only C and H but also heteroatoms, such as O, N, S, Si.Type: ApplicationFiled: November 10, 2011Publication date: December 19, 2013Applicant: LANXESS DEUTSCHLAND GMBHInventor: Norbert Steinhauser
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Publication number: 20130331508Abstract: A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with an unsaturated heterocycle containing a protected amino group.Type: ApplicationFiled: June 10, 2013Publication date: December 12, 2013Inventor: Steven LUO
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Patent number: 8604136Abstract: A process for making a substantially saturated dendritic hydrocarbon polymer. The process has the following steps: (a) polymerizing an amount of one or more alkadiene monomers and/or one or more alkenylaromatic polymers under anionic conditions in the presence of a di- or tri-functional organic lithium initiator to produce a polyalkadiene defining a multiplicity of lithiated chain ends; (b) reacting the polyalkadiene with an amount of a tri- or di-functional silane coupling agent to form a dendritic polyalkadiene; and (c) hydrogenating the dendritic polyalkadiene to form a substantially saturated dendritic hydrocarbon polymer.Type: GrantFiled: October 14, 2010Date of Patent: December 10, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: David John Lohse, Nikos Hadjichristidis, Andy Haishung Tsou, Suzzy C. H. Ho, Paul Edward Schuenzel
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Patent number: 8584725Abstract: The invention relates to a cured rubber composition, its preparation and a tire with a component of such rubber composition.Type: GrantFiled: September 17, 2010Date of Patent: November 19, 2013Assignee: The Goodyear Tire & Rubber CompanyInventors: Bruce Raymond Hahn, Rebecca Lee Dando, Larry Ashley Gordon
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Publication number: 20130303706Abstract: A method of producing a rubber compound, which includes mixing at least one cross-linkable unsaturated-chain polymer base, silica with a surface area of 100-220 m2/g, a first silane coupling agent in the polysulphide organosilane class, and a second silane coupling agent in the class of mercaptosilane protected in the form of thioester, and whereby the second silane coupling agent is added to the mix after the first silane coupling agent has reacted with the silica.Type: ApplicationFiled: December 23, 2011Publication date: November 14, 2013Applicant: BRIDGESTONE CORPORATIONInventors: Francesco Botti, Davide Privitera
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Publication number: 20130296481Abstract: According to a method for producing a modified conjugated diene rubber, the method involves a step of obtaining a modified conjugated diene rubber by reacting a conjugated diene compound or a conjugated diene polymer which is obtained by polymerizing a conjugated diene compound and an aromatic vinyl compound and has an alkali metal or alkaline-earth metal active end, with a first hydrocarbyloxysilane compound having an alkyl polyether group and a group convertible into an onium, and a conjugated diene rubber which can be used as a starting material for a crosslinked rubber that is used in applications such as a tire tread and is capable of improving the low fuel consumption performance is provided.Type: ApplicationFiled: January 11, 2012Publication date: November 7, 2013Applicant: JSR CorporationInventor: Ryouji Tanaka
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Publication number: 20130281605Abstract: The present invention relates to polymers functionalized by terminal groups, where these have, at the chain end, a silane-containing carbinol group of the formula (I) where R1, R2, R3, R4 are identical or different and are H, alkyl moieties, cycloalkyl moieties, aryl moieties, alkaryl moieties and aralkyl moieties, where these can comprise heteroatoms such as O, N, S, Si, A is a divalent organic moiety which can comprise, alongside C and H, heteroatoms such as O, N, S, Si.Type: ApplicationFiled: November 11, 2011Publication date: October 24, 2013Applicant: LANXESS Deutschland GmbHInventor: Norbert Steinhauser
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Publication number: 20130280458Abstract: The present invention relates to polymers functionalized by terminal groups, where the polymers have a trialkylsilyloxy group of the formula (I) at the end of the chain, where R1, R2, and R3 can be identical or different and are alkyl, cycloalkyl, and aralkyl moieties which can comprise heteroatoms such as O, N, S, and Si.Type: ApplicationFiled: November 11, 2011Publication date: October 24, 2013Applicant: LANXESS Deutschland GmbHInventor: Norbert Steinhauser
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Publication number: 20130267649Abstract: A conjugated diene rubber of the present invention is prepared from conjugated diene polymer chains, wherein the conjugated diene polymer chains each has an active end at one end and an isoprene block at least at the other end, the isoprene block contains 70 wt % or more isoprene monomer units, and the active ends of at least part of the conjugated diene polymer chains are modified with a compound having a >C?O group as a functional group. This provides (i) a tire that has an excellent strength, excellent low-heat buildup property, and excellent wet grip property and (ii) a rubber composition and a conjugated diene rubber that are suitably used to produce the tire.Type: ApplicationFiled: December 14, 2011Publication date: October 10, 2013Applicant: ZEON CORPORATIONInventors: Tatsuo Sasajima, Takeshi Karato, Takeshi Sugimura
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Publication number: 20130261252Abstract: The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I wherein R1, R2, R3, R4, and R5 are as defined. The invention is further directed to a rubber composition including the functionalized elastomer, and a pneumatic tire including the rubber composition.Type: ApplicationFiled: March 28, 2012Publication date: October 3, 2013Inventors: Leena Nebhani, Michael Joseph Rachita
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Patent number: 8541510Abstract: This invention relates to a thermosetting composition having an excellent thermosetting property, and more particularly to a thermosetting composition comprising (A) a diene-based polymer having two or more unsaturated bonds, (B) a polythiol derived from a mercaptocarboxylic acid, and (c) a thermally radical-generating agent.Type: GrantFiled: September 25, 2009Date of Patent: September 24, 2013Assignee: Bridgestone CorporationInventors: Hajime Kitano, Shuyou Akama
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Patent number: 8541509Abstract: 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: GrantFiled: December 2, 2011Date of Patent: September 24, 2013Assignee: Bridgestone CorporationInventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
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Publication number: 20130245192Abstract: This invention relates to a method for producing a modified conjugated diene rubber wherein the method involves: (a) a step in which a conjugated diene polymer having an alkali metal or alkaline earth metal active end and obtained by polymerizing a conjugated diene compound or by polymerizing a conjugated diene compound with an aromatic vinyl compounds is reacted with a first alkoxysilane compound which has an alkoxysilyl group having two or more alkoxy groups and has a group protected by a protecting group wherein deprotection is possible to obtain a modified conjugated-diene polymer having an alkoxysilyl group; and (b) a step in which the modified conjugated-diene polymer is reacted with a second alkoxysilane compound which has an alkoxysilyl group.Type: ApplicationFiled: November 28, 2011Publication date: September 19, 2013Applicant: JSR CORPORATIONInventors: Ryouji Tanaka, Naoya Nosaka
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Publication number: 20130237646Abstract: A graft polymer PG includes a polymer backbone P and at least one side graft G linked to the polymer backbone, the graft G having the general formula (1): in which R1 and R2 represent, separately from one another, straight or branched, unsaturated or saturated hydrocarbon groups, such that the total number of carbon atoms in groups R1 and R2 is between 2 and 110; X represents an amide, amino-acid, urea or urethane function, the graft G being linked to the polymer backbone P via the sulphur atom. The graft polymer PG is a polymer that allows thermoreversible cross-linking and can be used in many fields such as coatings, paints, thermoplastics, adhesives, lubricants, fuels, inks, cements, construction materials, rubbers and bitumens. The graft polymer PG can be used in particular for thermoreversibly cross-linking bitumen/polymer compositions and thus for reducing coating, spreading and/or compaction temperatures during the production of bituminous coated materials.Type: ApplicationFiled: November 8, 2011Publication date: September 12, 2013Applicants: Centre National De La Recherche Scientifique (CNRS ), Total Raffinage MarketingInventors: Sylvia Harders, Ludwik Leibler, Ilias Iliopoulos, Julie Prevost
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Publication number: 20130202830Abstract: The invention provides a first composition comprising at least the following: i) a modified polymer comprising at least one branched modified polymer macromolecule (b1) and at least one linear modified polymer macromolecule (a1), and wherein the at least one branched modified polymer macromolecule and the at least one linear modified polymer macromolecule each, independently, comprises at least one amine group selected from the group consisting of formulas (1A-1F), each as described above: and combinations thereof; and wherein the at least one branched modified polymer macromolecule further comprises one of the structures (ib1-ib4) as described above, and the at least one linear modified polymer macromolecule further comprises one of the structures (iib1) as described above (see Formula 3A)Type: ApplicationFiled: December 20, 2010Publication date: August 8, 2013Inventors: Sven Thiele, Sascha Rulhoff, Susanne Knoll
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Patent number: 8481649Abstract: A coupled copolymer is provided. The coupled copolymer is coupled by reacting a silane coupling agent with a copolymer, where the copolymer is polymerized by a conjugated diene monomer and a vinyl aromatics monomer, and the silane coupling agent has an alkenyl group and a alkoxy group, and has a chemical Formula (I) as follows: where R1 and R4 are alkyl groups; R3 is a group having an alkenyl group; R5 is one of an alkyl and an alkenyl groups; q is one of “1” and “0”; when q=0, then k=j=0, 1?n?3, 0?m?2, m+n=3, and R2 is alkoxy group; and when q=1, then k+j=3, R2 is —(CH2)r, r=1-6 and m+n=3.Type: GrantFiled: April 6, 2010Date of Patent: July 9, 2013Assignee: TSRC CorporationInventors: Chi-Chen Hsieh, Chih-Kuang Tsai, Yen-Hsian Li, Ming-Cheng Chiu
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Publication number: 20130160911Abstract: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a metal ion. The invention is further directed to a pneumatic tire comprising the rubber composition.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Inventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp
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Publication number: 20130165596Abstract: The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Inventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Alexandra Hermann, Rudolf Wilhelm Zentel
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Patent number: 8470197Abstract: A crosslinked polysulfide-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: [(CaH2a-)mG1(-CbH2bSx—)n?m]o[CcH2c-G2-CdH2dSy—]p[R]q wherein G1 is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; G2 is a saturated, divalent cyclic aliphatic group of valence 2 containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO—]n[R2SiO—]r group of valence n; each R independently is a selected from the group consisting of a hydrogen atom, monovalent hydrocarbon of up to 20 carbon atoms and a halogen atom; each occurrence of subscripts a, b, c, d, m, n, o, p, q, x and y independently is an integer wherein a is 2 to 6; b is 2 to 6; c is 1 to 6; d is 1 to 6; m is 1 or 2; n is 3 to 5; o is a positiveType: GrantFiled: October 30, 2008Date of Patent: June 25, 2013Assignee: Momentive Performance Materials Inc.Inventors: Richard W. Cruse, William Michael York, Carla Recker, Thomas Kramer, Katharina Herzog
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Publication number: 20130158192Abstract: A method of forming modified conjugated diene rubber includes (a) reacting an alkali metal ion-containing conjugated diene rubber with a first modifier having a structural formula (I), wherein R1, R2, R3 are each independently selected from the group consisting of C1-C12 of alkyl and C2-C12 of alkenyl groups and C6-C12 of aromatic group, and R4 is selected from the group consisting of C1-C12 of alkyl, C2-C12 of alkenyl, C1-C12 of alkoxy groups and C6-C12 of aromatic group; and (b) adding a second modifier having a structural formula (II) after (a), HO—R5—Y??(II) wherein R5 is selected from the group consisting of C1-C12 of alkylene, C2-C12 of alkenylene, C3-C12 of alicyclic groups and C6-C12 of aromatic group, and Y is selected from the group consisting of oxygen-containing C1-C12 group and nitrogen-containing, C1-C12 group, wherein Y has the oxygen atom or the nitrogen atom directly connected to a carbon atom of R5.Type: ApplicationFiled: October 18, 2012Publication date: June 20, 2013Applicant: TSRC CORPORATIONInventor: TSRC CORPORATION
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Publication number: 20130131229Abstract: A process for preparing graft polymers from a polymer is based on conjugated diene units and a graft which is a thiol derivative. The process has an absence of solvent and any radical initiator. The graft polymer can be advantageously be used as additive for a bitumen/polymer composition and in particular permits thermoreversible cross-linking.Type: ApplicationFiled: July 8, 2011Publication date: May 23, 2013Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), TOTAL RAFFINAGE MARKETINGInventors: Sylvia Harders, Romuald Botel, IIias Iliopoulos, Ludwik Leibler, Ornella Annabelle Zovi
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Patent number: 8436105Abstract: The invention relates to a composition that can be thermally cured, containing relative to the total composition, a) 5 to 90% by weight of a diene-based polymer or copolymer containing an olefinic double bond and/or an aromatically substituted olefin, wherein the polymer or copolymer is liquid, or paste-like, at 22° C. and has a glass transition temperature between ?30° C. and +15° C., measured according to a DSC method; b) a vulcanization system selected from the group consisting of: b1) sulfur, and one or more accelerator(s), b2) peroxidic or disulfidic vulcanization systems, b3) quinones, quinone dioximes, or dinitrosobenzene.Type: GrantFiled: November 29, 2011Date of Patent: May 7, 2013Assignee: Henkel AG & Co. KGaAInventors: Rainer Kohlstrung, Takehito Yamada
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Publication number: 20130079471Abstract: We disclose a monovinylarene-conjugated diene block copolymer containing a plurality of monovinylarene-conjugated diene mixed blocks, wherein each mixed block contains conjugated diene units and monovinylarene units in a weight ratio of about 0.05 to about 0.33. We also disclose a composition containing (a) from about 50 parts by weight to about 95 parts by weight of the monovinylarene-conjugated diene block copolymer and (b) from about 5 parts by weight to about 50 parts by weight of polystyrene; wherein the monovinylarene-conjugated diene block copolymer and the polystyrene total 100 parts by weight.Type: ApplicationFiled: November 20, 2012Publication date: March 28, 2013Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Chevron Phillips Chemical Company LP
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Patent number: 8404785Abstract: A method for producing a modified conjugated diene polymer includes a step (A) carrying out a primary modification reaction that reacts a heterocumulene compound having two or more specific functional groups with a conjugated diene polymer having a vinyl content of below 10% and a cis-1,4-bond content of 75% or more and possessing an active end to obtain a primary-modified conjugated diene polymer, and a step (B) carrying out a secondary modification reaction that reacts an active hydrogen-containing compound that includes one or more functional groups selected from the group consisting of an amino group, an imino group, a mercapto group, and a hydroxyl group with the primary-modified conjugated diene polymer to obtain a secondary-modified conjugated diene polymer. The method can produce a modified conjugated diene polymer that exhibits low heat build-up (low fuel consumption) and excellent wear resistance.Type: GrantFiled: December 27, 2007Date of Patent: March 26, 2013Assignee: JSR CorporationInventors: Ryouji Tanaka, Kouichirou Tani, Takuo Sone, Toshihiro Tadaki
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Patent number: 8389638Abstract: The present invention relates to a novel multi functional additive grafted rubber. More particularly the present invention relates to novel grades of rubber and in particular to chemically grafted with cardanol (meta-penta decenyl phenol) and/or its derivatives. Importantly the rubber grades of the invention involve chemically anchored/grafted selective meta alkenyl phenol and/or its derivatives in the backbone of natural or synthetic rubber. Importantly, such rubber variant of the invention have high plasticity, lower Mooney and melt viscosities, better cure properties as compared to conventional virgin natural rubber or natural rubber plasticized with aromatic process oils.Type: GrantFiled: November 22, 2005Date of Patent: March 5, 2013Assignee: Council of Scientific and Industrial ResearchInventors: Golok Bihari Nando, Tiruchanur Vikram
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Patent number: 8383735Abstract: A pre-cursor block copolymer for sulfonation which, prior to hydrogenation, has the general configuration A-B-A, A-B-A-B-A, (A-B-A)nX, (A-B)nX, A-D-B-D-A, A-B-D-B-A, (A-D-B)nX, (A-B-D)nX or mixtures thereof, wherein A, B and D blocks do not contain any significant levels of olefinic unsaturation. Each A and D block is a polymer block resistant to sulfonation, and each B block is a polymer block susceptible to sulfonation. Each A block is a segment of one or more polymerized para-substituted styrene monomers, each B block contains segments of one or more vinyl aromatic monomers selected from polymerized (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof, and each D block contains polymers having a glass transition temperature less than 20° C. and a number average molecular weight of between 1,000 and 50,000.Type: GrantFiled: April 20, 2010Date of Patent: February 26, 2013Assignee: Kraton Polymers US LLCInventors: Carl Lesley Willis, Dale Lee Handlin, Jr., Scott Russell Trenor, Brian Douglas Mather
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Publication number: 20130046064Abstract: A composition of a surface-treated-carbon-black and a functionalized polymer with functionalization along the polymer chain is disclosed, wherein the polymer represents a solution SBR including, but not limited to blends of the SBR (PBR4003) with BR, NR and EPDM, and the SBR polymer functionalization comprises polar, oxygen-containing functional groups, such that the compound exhibits reduced hysteresis and rolling resistance, improved wet traction with excellent abrasion resistance as would be used in passenger, truck and racing tires.Type: ApplicationFiled: July 27, 2010Publication date: February 21, 2013Inventors: Charles Herd, Charles Edwards, John Curtis, Steve Crossley, Keith Cory Schomberg, Thomas Gross, Norbert Steinhauser, Heike Kloppenberg, David Hardy, Alex Lucassen
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Publication number: 20130041096Abstract: A macromolecule including a polymer and a polyhedral radical chemically bonded to a terminus of the polymer provides numerous processing and performance advantages. Further functionalization of this macromolecule also is described as being advantageous in certain circumstances. Methods of providing, functionalizing, and utilizing the macro-molecule also are provided.Type: ApplicationFiled: August 3, 2012Publication date: February 14, 2013Inventors: Yuan-Yong Yan, Jason Poulton, Takayuki Yako, Xiaorong Wang, Hao Wang, Michelle A. Cottrell
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Patent number: 8372921Abstract: Compounds or polymers that contain carbon-carbon unsaturation are brominated using a quaternary phosphonium tribromide as the brominating agent. The bromination process proceeds easily under mild conditions. The process can be highly selective. When the substrate is a butadiene polymer or copolymer, the brominated product tends to have excellent thermal stability.Type: GrantFiled: August 13, 2009Date of Patent: February 12, 2013Assignee: Dow Global Technologies LLCInventor: John W. Hull, Jr.
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Publication number: 20130035437Abstract: Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition.Type: ApplicationFiled: February 28, 2011Publication date: February 7, 2013Inventors: Xiao-Dong Pan, Yuan-Yong Yan, Zengquan Qin
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Patent number: 8362143Abstract: Disclosed herein is a non-glossy rubber modified aromatic vinyl-vinyl cyanide copolymer and a method for continuously preparing the same. The copolymer comprises about 80 to about 93% by weight of an aromatic vinyl-vinyl cyanide copolymer grafted onto about 7 to about 20% by weight of a diene-based rubber, and a dispersed phase of the copolymer has an average rubber particle diameter of about 6 to about 20 ?m and a span of about 1.2 to about 2.8.Type: GrantFiled: December 29, 2008Date of Patent: January 29, 2013Assignee: Cheil Industries Inc.Inventors: Hwan Seok Park, Young Sub Jin, Jae Keun Hong, Sung Kwan Kim, Byeong Do Lee, Ho Ryong Sun, Seung Dae Lee
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Publication number: 20130015071Abstract: Described herein are modified sulfonated block copolymers which comprise at least two polymer end blocks A and at least one polymer interior block B, wherein each A block contains essentially no sulfonic acid or sulfonate functional groups and each B block comprises sulfonation susceptible monomer units and, based on the number of the sulfonation susceptible monomer units, from about 10 to about 100 mol % of a functional group of formula (I) —SO2—NR1R2??(I) or of a salt thereof, methods of making them as well as methods of using them, e.g., as membrane materials for electrically or osmotically driven applications.Type: ApplicationFiled: July 12, 2011Publication date: January 17, 2013Applicant: KRATON POLYMERS U.S. LLCInventor: Carl L. Willis
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Publication number: 20130012651Abstract: For a tire excellent in strength, low-heat buildup property, wet grip property, and driveability, and a rubber composition and a conjugated diene rubber for the tire, a conjugated diene rubber of the present invention includes 5 wt % or more of a structure that 3 or more conjugated diene polymer chains are bound via a denaturing agent, obtained by reaction of each chain and the agent, each chain being that at least one of terminals is an isoprene block having 70 wt % or more of an isoprene monomer unit, and the other is an active terminal, the agent having, per molecule, at least one of an epoxy group(s) and a hydrocarbyloxysilyl group(s), and being that a total number of the epoxy group(s) and hydrocarbyloxy groups in the hydrocarbyloxysilyl group(s) per molecule is 3 or more.Type: ApplicationFiled: February 22, 2011Publication date: January 10, 2013Inventors: Tatsuo Sasajima, Takeshi Karato, Takeshi Sugimura
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Patent number: 8334353Abstract: Provided herein are polyfarnesenes such as farnesene homopolymers derived from a farnesene and farnesene interpolymers derived from a farnesene and at least a vinyl monomer; and the processes of making and using the polyfarnesenes. The farnesene homopolymer can be prepared by polymerizing the farnesene in the presence of a catalyst such as a Ziegler-Natta catalyst, a Kaminsky catalyst, a metallocene catalyst, an organolithium reagent or a combination thereof. In some embodiments, the farnesene is prepared from a sugar by using a microorganism.Type: GrantFiled: February 2, 2012Date of Patent: December 18, 2012Assignee: Amyris, Inc.Inventor: Derek James McPhee
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Patent number: 8329827Abstract: A sulfonated block copolymer which is solid and non-dispersible in water having at least two polymer end blocks A and at least one interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to sulfonation, wherein the A and B blocks do not contain any significant levels of olefinic unsaturation. Each A block includes one or more segments selected from polymerized (i) ethylene, (ii) monomers of conjugated dienes having a vinyl content less than 35 mol percent prior to hydrogenation, and (iii) mixtures thereof; and each B block comprising segments of one or more polymerized vinyl aromatic monomers selected from (i) unsubstituted styrene monomers, (ii) ortho-substituted styrene monomers, (iii) meta-substituted styrene monomers, (iv) alpha-methylstyrene, (v) 1,1-diphenylethylene, (vi) 1,2-diphenylethylene and (vii) mixtures thereof.Type: GrantFiled: April 20, 2010Date of Patent: December 11, 2012Assignee: Kraton Polymers U.S. LLCInventors: Carl Lesley Willis, Dale Lee Handlin, Jr., Scott Russell Trenor, Brian Douglas Mather
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Patent number: 8314183Abstract: A functionalized polymer includes a directly bonded moiety, which can be located at a terminus of the polymer, defined by the formula CR1R2NH—O—]—Si where each R1 and R2 independently is a substituted or unsubstituted hydrocarbyl group and where the Si atom can be bonded through similar moieties to up to three other polymers and/or to the appropriate number of non-interfering groups. The polymer can be provided by introducing a ketoximesilane compound into a system that includes carbanionic (living) polymer. Such polymers can be used in the production of compositions that include particulate fillers.Type: GrantFiled: December 22, 2008Date of Patent: November 20, 2012Assignee: Bridgestone CorporationInventors: Yaohong Chen, Yuan-Yong Yan