Polymer Derived From Nitrogen-containing Reactant Patents (Class 525/230)
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Patent number: 11717990Abstract: A preform for a stretch-blow-molded plastic container includes an elongated, tube-like preform body. An outer wall and an inner wall delimit a bottom thickness (b). An outer wall and an inner wall delimit a wall thickness (w). An inner surface and an outer surface (E1) curved in three-dimensionally convex manners are spaced apart such that a distance from their respective apex (S, S?) to the preform body continuously increases. Extensions of the outer wall of the preform bottom along the outer three-dimensionally curved surface (E1), and of the inner wall of the preform bottom along the inner three-dimensionally curved surface (E2) are configured to be interrupted by set-backs area outside of their respective apex (S, S?) thereof.Type: GrantFiled: October 5, 2016Date of Patent: August 8, 2023Assignee: ALPLA WERKE ALWIN LEHNER GMBH & CO. KGInventor: Christian Dornbach
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Patent number: 11472908Abstract: A latex composition having a nitrile rubber containing an ?,?-ethylenically unsaturated nitrile monomer unit and a conjugated diene monomer unit, wherein the nitrile rubber has a weight average molecular weight of 50,000 to 100,000, and the weight of methanol extractables in all solids present in the latex composition is 2 to 20 wt % based on the weight of all the solids.Type: GrantFiled: January 10, 2019Date of Patent: October 18, 2022Assignee: ZEON CORPORATIONInventor: Kentaro Hayasaka
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Patent number: 11326050Abstract: Provided are a method of preparing a graft copolymer, a graft copolymer, and a thermoplastic resin molded article including the graft copolymer, the method including: 1) preparing a seed by adding one or more selected from the group consisting of an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer and performing polymerization; 2) in the presence of the seed, preparing a core by adding an alkyl (meth)acrylate-based monomer and performing polymerization; and 3) in the presence of the core, preparing a shell by adding an aromatic vinyl-based monomer and a vinyl cyan-based monomer and performing polymerization, wherein the method further includes adding an alkyl acrylate-based polymer. When the alkyl acrylate-based polymer is included in a graft copolymer, a graft copolymer and a thermoplastic resin molded article excellent in weather resistance, fluidity, mechanical properties, and appearance quality can be provided.Type: GrantFiled: August 5, 2019Date of Patent: May 10, 2022Assignee: LG CHEM, LTD.Inventors: Bong Keun Ahn, Min Jung Kim, Jang Won Park, Yong Yeon Hwang, Wang Rae Joe, Ji Yoon Jeon
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Patent number: 9955756Abstract: A shell element for the buckle cover of a seat belt buckle is disclosed. The shell element comprises a base body made of a hard elastomer and an outer and an inner surface. So that when the buckle cover bears against a further vehicle element with a hard surface, no wear and no undesirable noise is generated and so that the seat belt buckle permanently has attractive visual and haptic properties, a further element made of a soft elastomer is directly connected to the base body and is connected thereto by a material and/or positive connection, said further element forming at least one part of the outer surface of the shell element.Type: GrantFiled: January 26, 2011Date of Patent: May 1, 2018Assignee: ILLINOIS TOOL WORKS INC.Inventors: Ulrich Klafke, Mario Eckmann, Ole Scharnberg, Jens Albrecht, Sandra Kleinke, Wolf Ulrich Wachter
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Patent number: 9000094Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.Type: GrantFiled: June 26, 2013Date of Patent: April 7, 2015Assignee: Cheil Industries Inc.Inventors: Jae Keun Hong, Young Sub Jin, Byeong Do Lee, Ho Ryong Sun
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Patent number: 8962768Abstract: Reaction products AE of vinyl copolymers A having at least one functional group per molecule, with multifunctional compounds E derived from epoxide functional compounds having, on average, at least two functional groups per molecule, which reaction products AE have structural elements derived from ethylenically unsaturated monomers, and beta-hydroxy alkylene imine, —NR—CH2—CR?(OH)—, or the corresponding ammonium structure, where R and R?, independently from each other, stand for H or an alkyl group having from 1 to 8 carbon atoms, a process for their preparation, and a method of use thereof as binders for waterborne coating compositions.Type: GrantFiled: February 19, 2011Date of Patent: February 24, 2015Assignee: Allnex Austria GmbHInventors: Johann Billiani, Roland Feola, Willi Paar
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Publication number: 20150011709Abstract: The present invention relates to an acrylonitrile-styrene-acrylate (ASA) graft copolymer having a core-shell structure, and a method for manufacturing the same, wherein the core of the ASA graft copolymer is a multi-core rubber copolymer in which alkyl acrylate monomers are sequentially polymerized, and the shell is formed by graft-polymerizing a styrene-based monomer and an acrylonitrile-based monomer with the core. The ASA graft copolymer resin is manufactured by the steps of manufacturing the multi-core rubber polymer latex by sequentially polymerizing the alkyl acrylate monomers; and forming a shell layer by graft-polymerizing the styrene-based monomer and the acrylonitrile-based monomer with the multi-core rubber polymer. The ASA resin composition according to the present invention has excellent impact resistance, weather resistance, and dyeability properties.Type: ApplicationFiled: December 13, 2012Publication date: January 8, 2015Applicant: Cheil Industries Inc.Inventors: Jun Hwan Ahn, Sung Il Myung, Il Jin Kim
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Patent number: 8912287Abstract: Disclosed are a method for producing a polymer by a polymerization of a mixture at a temperature of 210° C. or lower, wherein the mixture comprises 0.01 to 35 mol % of a monomer or a polymer thereof which has a piperidine skeleton represented by formula (1), and a molded body thereof. R1 represents a hydrogen atom or a methyl group, X represents an oxygen atom, an imino group, or a specific oxygen atom containing a hydrocarbon group, and R2 and R3 represent a hydrogen atom, a linear alkyl group with C1 to C8, a branched alkyl group with C1 to C8, an alicyclic hydrocarbon with C6 to C8, or an aryl group, wherein R2 and R3 may also form a cyclic structure.Type: GrantFiled: December 1, 2010Date of Patent: December 16, 2014Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Fuminori Nakaya, Tetsuya Noda, Keiichi Sakashita
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Patent number: 8648148Abstract: Disclosed is a mass polymerized rubber-modified monovinylidene aromatic copolymer composition with an excellent balance of aesthetic, physical and mechanical properties, in particular good impact with low consistent gloss across an injection molded textured part, and a method for preparing such a composition.Type: GrantFiled: October 5, 2006Date of Patent: February 11, 2014Assignee: Styron Europe GmbHInventors: Nigel A. Shields, Dominique Maes, Mary Ann Jones, Thomas D. Traugott
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Patent number: 8557923Abstract: Disclosed herein is a thermoplastic resin composition having excellent scratch resistance and a method for preparing the same. The thermoplastic resin composition comprises (A) about 80 to about 95% by weight of a terpolymer of (meth)acrylic acid alkyl ester-aromatic vinyl-cyanide vinyl compound; and (B) about 5 to about 20% by weight of a butadiene rubber.Type: GrantFiled: December 29, 2008Date of Patent: October 15, 2013Assignee: Cheil Industries Inc.Inventors: Young Sub Jin, Hwan Seok Park, Jae Keun Hong, Sung Kwan Kim, Ho Ryong Sun, Byeong Do Lee, Kyung Jong Lee
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Patent number: 8552112Abstract: The present invention provides a weather resistant thermoplastic resin with low gloss and a method of preparing the same. The thermoplastic resin of the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and a (meth)acrylic acid alkyl ester-based oligomeric prepolymer (B), and an aromatic vinyl-cyanide vinyl based copolymer (C), wherein the (meth)acrylic acid alkyl ester-based polymer (A) and the (meth)acrylic acid alkyl ester-based oligomeric prepolymer (B) form a network-shaped disperse phase and the aromatic vinyl-cyanide vinyl based copolymer (C) forms a continuous phase.Type: GrantFiled: December 29, 2010Date of Patent: October 8, 2013Assignee: Cheil Industries Inc.Inventors: So Young Kwon, Young Sub Jin, Sung Kwan Kim, Byeong Do Lee
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Patent number: 8536277Abstract: A novel process for reducing the molecular weight of nitrile rubber in the presence of specific catalyst systems containing the metathesis catalyst and also a specific addition of fluorine-containing boron compounds is provided.Type: GrantFiled: June 23, 2009Date of Patent: September 17, 2013Assignee: LANXESS Deutschland GmbHInventors: Julia Marie Mueller, Oskar Nuyken, Werner Obrecht
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Patent number: 8507609Abstract: The present invention provides a thermoplastic resin composition which comprises (A) a (meth)acrylic acid alkyl ester-based polymer forming a network-shaped disperse phase; and (B) an aromatic vinyl-cyanide vinyl based copolymer forming a continuous phase. The thermoplastic resin composition of the present invention can have an excellent low gloss characteristics while maintaining basic physical properties of a weather resistance, impact strength, thermal resistance, and delamination characteristics.Type: GrantFiled: December 28, 2010Date of Patent: August 13, 2013Assignee: Cheil Industries Inc.Inventors: Young Sub Jin, So Young Kwon, Sung Kwan Kim, Hwan Seok Park, Jae Keun Hong, Byeong Do Lee, Chul In Lim
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Publication number: 20130174981Abstract: The present invention relates generally to cyanoacrylate adhesives and, more particularly, to a one-part adhesive, comprising one or more 2-cyanoacrylate esters, one or more bis-silanes and optionally one or more monosilanes and to the use of said adhesive as an instant adhesive with improved water resistance.Type: ApplicationFiled: March 5, 2013Publication date: July 11, 2013Applicant: Henkel Ireland LimitedInventor: Henkel Ireland Limited
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Patent number: 8378026Abstract: One aspect of the invention relates to a transparent rubber-modified styrenic resin composition. The resin composition comprises about 5 to about 30 parts by weight of a styrene-butadiene rubbery copolymer; and about 0 to about 15 parts by weight of a matrix resin comprising about 20 to about 40 parts by weight of styrenic monomer, about 30 to about 60 parts by weight of unsaturated carboxylic acid alkyl ester monomer and about 0 to about 15 parts by weight of vinyl cyanide monomer; wherein the difference between the refractive index of the rubbery copolymer and the matrix resin is about 0.005 or less and the transparent rubber-modified styrenic resin composition has a haze of about 5% or less as measured by a Nippon Denshoku Haze meter using a 3 mm thick test sample.Type: GrantFiled: January 27, 2009Date of Patent: February 19, 2013Assignee: Cheil Industries Inc.Inventors: Byeong Do Lee, Young Sub Jin, Hwan Seok Park, Jae Keun Hong
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Patent number: 8344037Abstract: A resin composition for cross-linking foam molding having a polymer composition which comprises 100 parts by weight of the following component (A) and 0.5 to 20 parts by weight of the following component (B); a foaming agent; and a cross-linking agent, wherein the component (A) is an ethylene-based polymer satisfying the following conditions (a1) to (a2): (a1) the density is 860 to 935 kg/m3, and (a2) the melt flow rate (MFR) is 0.1 to 10 g/10 minutes, and the component (B) is an ethylene-?-olefin copolymer satisfying the following conditions (b1) to (b3): (b1) the density is 890 to 925 kg/m3, (b2) the intrinsic viscosity [?] determined in a tetralin solution is 4 to 15 dL/g, and (b3) the activation energy of flow (Ea) is less than 50 kJ/mol.Type: GrantFiled: August 27, 2009Date of Patent: January 1, 2013Assignee: Sumitomo Chemical Company, LimitedInventors: Katsuhiro Yamada, Yoshinobu Nozue
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Publication number: 20120264882Abstract: Provided are a thermoplastic resin composition that includes (A) about 60 to about 95 wt % of a base resin including (A-1) polyalkyl(meth)acrylate resin and (A-2) a vinyl-based copolymer; and (B) about 5 to about 40 wt % of a core-shell structured copolymer including a polymer of at least two compounds selected from an aromatic vinyl compound, a vinyl cyanide compound, and an acrylic-based compound, grafted on a rubbery polymer, and a molded product using the same.Type: ApplicationFiled: June 28, 2012Publication date: October 18, 2012Applicant: CHEIL INDUSTRIES INC.Inventors: Dong-Hui CHU, Doo-Han HA, In-Chol KIM, Sung-Hun JIN
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Patent number: 8222344Abstract: A weather resistant thermoplastic resin having excellent low gloss characteristics according to the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and an aromatic vinyl-cyanide vinyl based copolymer (B), wherein the (meth)acrylic acid alkyl ester-based polymer (A) forms a network-shaped disperse phase, and the aromatic vinyl-cyanide vinyl based copolymer (B) forms a continuous phase. The thermoplastic resin has excellent low gloss characteristics as well as superior weatherability, impact resistance, thermal resistance, delamination characteristics, and the like.Type: GrantFiled: October 26, 2009Date of Patent: July 17, 2012Assignee: Cheil Industries Inc.Inventors: Young Sub Jin, Sung Kwan Kim, Hwan Seok Park, Jae Keun Hong, Byeong Do Lee, Ho Ryong Sun, Bong Sil Jang, Chul In Lim
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Patent number: 8211979Abstract: A multicomponent system is provided, composed of a thermoplastic component and of a rubber component, which comprises at least two different peroxidic crosslinking agents with specific decomposition temperatures, as also is a process for production of rubber-thermoplastic composite mouldings using the multicomponent system, and also the resultant rubber-thermoplastic composite mouldings.Type: GrantFiled: December 15, 2006Date of Patent: July 3, 2012Assignee: LANXESS Deutschland GmbHInventors: Dirk Achten, Stefanie Nickel, Maik Schulte, Michael Münker, Detlev Joachimi
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Patent number: 8039533Abstract: Disclosed are a synthetic resin composition for use as building materials such as window frames, as well as a product manufactured using the same. More particularly, the synthetic resin composition comprises a tetrapolymer of acrylic rubber-styrene monomer-butadiene rubber-vinyl cyanide monomer and a styrene-vinyl cyanide copolymer having a high molecular weight and a high degree of dispersion. Unlike products manufactured using prior polyvinyl chloride (PVC), building material such as window frames manufactured using the synthetic resin composition are recyclable, and thus can contribute to a reduction in the generation of hormone-disrupting chemical dioxin, which is released in the burning thereof. Also, the resin composition can be manufactured into products having excellent properties of weather resistance and colorability without using environmental pollutants such as cadmium stearate or lead stearate, which are used as thermal stabilizers.Type: GrantFiled: October 13, 2010Date of Patent: October 18, 2011Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: Jang Hyun Choi, Joo Yub Ho, Seung Kyu Lee, Yun Hwan Kim
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Publication number: 20110218291Abstract: The present invention relates to a process for preparing aqueous dispersions. The invention also relates to the formation of core-shell particles in aqueous dispersions. The core-shell particles are useful as impact-modifiers for poly(meth)acrylate moulding compositions.Type: ApplicationFiled: May 18, 2011Publication date: September 8, 2011Applicant: EVONIK ROEHM GMBHInventors: Klaus SCHULTES, Thomas Suefke, Reiner Mueller, Hartmut Schikowsky, Werner Hoess
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Patent number: 8013070Abstract: Novel crosslinkable compositions are provided and are based on thermoplastic polymers and elastomers, these compositions comprising, as crosslinking system, specific organic salts of metal ions. Ionically crosslinked thermoplastic elastomers can be obtained therefrom and have excellent physical properties, high-temperature resistance extending above 150° C., and also oil resistance. They can be used for production of moldings.Type: GrantFiled: September 1, 2006Date of Patent: September 6, 2011Assignee: LANXESS Deutschland GmbHInventors: Dirk Achten, Claus Wrana, Kay Varnhorn, Stephen Pask, Carsten Fischer
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Publication number: 20110183875Abstract: The present invention relates vulcanisable guanidine-free mixtures containing ethylene acrylate (AEM), polyacrylate (ACM) and/or hydrogenated acrylonitrile (HNBR)-based rubbers compounds having an improved scorch resistance, to vulcanisates, prepared by cross-linking this vulcanisable mixtures and their use in automotive, oil-field and/or off-shore applications.Type: ApplicationFiled: August 27, 2010Publication date: July 28, 2011Applicant: RHEIN CHEMIE RHEINAU GMBHInventors: Matthias Soddemann, Martin Säwe, Cristina Bergmann
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Publication number: 20110160396Abstract: The present invention provides a thermoplastic resin composition which comprises (A) a (meth)acrylic acid alkyl ester-based polymer forming a network-shaped disperse phase; and (B) an aromatic vinyl-cyanide vinyl based copolymer forming a continuous phase. The thermoplastic resin composition of the present invention can have an excellent low gloss characteristics while maintaining basic physical properties of a weather resistance, impact strength, thermal resistance, and delamination characteristics.Type: ApplicationFiled: December 28, 2010Publication date: June 30, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: Young Sub Jin, So Young Kwon, Sung Kwan Kim, Hwan Seok Park, Jae Keun Hong, Byeong Do Lee, Chul In Lim
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Publication number: 20110160397Abstract: The present invention provides a weather resistant thermoplastic resin with low gloss and a method of preparing the same. The thermoplastic resin of the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and a (meth)acrylic acid alkyl ester-based oligomeric prepolymer (B), and an aromatic vinyl-cyanide vinyl based copolymer (C), wherein the (meth)acrylic acid alkyl ester-based polymer (A) and the (meth)acrylic acid alkyl ester-based oligomeric prepolymer (B) form a network-shaped disperse phase and the aromatic vinyl-cyanide vinyl based copolymer (C) forms a continuous phase.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: So Young Kwon, Young Sub Jin, Sung Kwan Kim, Byeong Do Lee
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Patent number: 7960476Abstract: An acrylic resin composition containing the following acrylic resins (1) and (2): an acrylic resin (1) containing a structural unit (a) derived from a monomer (a) and a structural unit (b) derived from a monomer (b); an acrylic resin (2) having a molecular weight of 1,100,000 to 1,500,000, and containing the structural unit (a) as the main component and a structural unit(c)derived from a monomer (c) and substantially not containing the structural unit (b); (a): a (meth)acrylate of the formula (A) (wherein, R1 and R2 are defined in the specification), (b): a monomer containing an olefinic double bond and at least one 5- or more-membered heterocyclic group in the molecule, (c): a monomer not containing 5- or more-membered heterocyclic group and containing one olefinic double bond and at least one polar functional group which is a carboxyl, hydroxyl, amide, amino, epoxy, oxetanyl, aldehyde or isocyanate group in the molecule.Type: GrantFiled: January 4, 2008Date of Patent: June 14, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Akira Kawamura, Ryu Takeko, Tomo Iwata
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Publication number: 20110136980Abstract: Processes for making a core and core-shell copolymers are provided herein. Processes for making crosslinked elastomeric core particles includes emulsion polymerizing, in the presence of a radical polymerization initiator, a polymerization mixture containing at least one ethylenic elastomeric monomer, at least one crosslinking agent, and at least one sulfur-containing additive of the formula I below, where R and Z are defined herein. The core-shell copolymers formed are useful for example as additives in polymer matrices such as for modifying impact strength and improving optical properties.Type: ApplicationFiled: August 4, 2009Publication date: June 9, 2011Applicant: Arkema FranceInventors: Rosangela Pirra, Philippe Hajji
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Patent number: 7939601Abstract: The present invention relates to a polymeric material comprising units capable of having a cationic charge at a pH of from about 4 to about 12; provided that said polymeric material has an average cationic charge density from about 2.75 or less units per 100 daltons molecular weight at a pH of from about 4 to about 12. The polymeric material is a suds enhancer and a suds volume extender for hand dishwashing compositions and personal care products such as soaps, shaving cream foam, foaming shaving gel, foam dephiliatories and shampoos. The polymers are also effective as a soil release agent in fabric cleaning compositions. The polymers are also useful in agrochemical foam, fire-fighting foam, hard surface cleaner foam, and coagulant for titanium dioxide in paper making.Type: GrantFiled: October 30, 2000Date of Patent: May 10, 2011Assignee: Rhodia Inc.Inventors: Vance Bergeron, Dominic Wai-Kwing Yeung, Jean-Francois Bodet, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
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Publication number: 20110040035Abstract: Disclosed is a mass polymerized rubber-modified monovinylidene aromatic copolymer composition with an excellent balance of aesthetic, physical and mechanical properties, in particular good impact with low consistent gloss across an injection molded textured part, and a method for preparing such a composition.Type: ApplicationFiled: October 5, 2006Publication date: February 17, 2011Inventors: Nigel A. Shields, Dominique Maes, Mary Ann Jones, Thomas D. Traugott
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Patent number: 7838579Abstract: Disclosed are a synthetic resin composition for use as building materials such as window frames, as well as a product manufactured using the same. More particularly, the synthetic resin composition comprises a tetrapolymer of acrylic rubber-styrene monomer-butadiene rubber-vinyl cyanide monomer and a styrene-vinyl cyanide copolymer having a high molecular weight and a high degree of dispersion. Unlike products manufactured using prior polyvinyl chloride (PVC), building material such as window frames manufactured using the synthetic resin composition are recyclable, and thus can contribute to a reduction in the generation of hormone-disrupting chemical dioxin, which is released in the burning thereof. Also, the resin composition can be manufactured into products having excellent properties of weather resistance and colorability without using environmental pollutants such as cadmium stearate or lead stearate, which are used as thermal stabilizers.Type: GrantFiled: May 12, 2006Date of Patent: November 23, 2010Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: Jang Hyun Choi, Joo Yub Ho, Seung Kyu Lee, Yun Hwan Kim
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Patent number: 7776181Abstract: A novel retention aid is provided, which can realizes not only high retention but also excellent paper formation and is easy to use, in various papermaking processes. A composition for improving retention is provided, which comprises (A) a cationic water-soluble polymer and (B) an amphoteric water-soluble polymer. The component (A) preferably is a copolymer having a cation equivalent of 0.05 to 4.00 meq/g or one having a 0.5% salted viscosity of 30 to 200 mPa·s. The component (B) preferably is either a copolymer comprising a cationic radical-polymerizable monomer unit, an anionic radical-polymerizable monomer unit, and a nonionic radical-polymerizable monomer unit, or an amphoteric water-soluble polymer obtained by polymerizing a cationic radical-polymerizable monomer with an anionic radical-polymerizable monomer in the presence of a polysaccharide.Type: GrantFiled: December 28, 2005Date of Patent: August 17, 2010Assignee: Toagosei Co., Ltd.Inventors: Yoshio Mori, Koichi Adachi, Ken Takeda, Tetsuya Tsuzuki
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Patent number: 7745539Abstract: The present invention relates to nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art. The present invention also relates to a process for the manufacture of said nitrile rubber and the use of said nitrile rubber for the manufacture of shaped articles.Type: GrantFiled: August 26, 2004Date of Patent: June 29, 2010Assignee: LANXESS Inc.Inventors: Frédéric Guérin, Sharon X. Guo
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PROCESS FOR RECYCLING POLYOLEFIN BLEND COMPOSITION USING AN ETHYLENE COPOLYMER COMPATIBILIZING AGENT
Publication number: 20100069562Abstract: A process is provided for preparing polymer composites from compositions comprising i) a polyolefin, ii) a polymer selected from the group consisting of polymers having hydroxyl groups and polymers having amino groups and iii) a polar ethylene copolymer having copolymerized units selected from the group consisting of C4-C8 unsaturated anhydrides, monoesters of C4-C8 unsaturated acids having at least two carboxylic acid groups, diesters of C4-C8 unsaturated acids having at least two carboxylic acid groups and mixtures thereof. The process is suitable for use with recycle streams that contain polymeric materials that are laminates or composites of dissimilar polymers.Type: ApplicationFiled: November 20, 2009Publication date: March 18, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: David M. Dean -
Patent number: 7645833Abstract: Novel crosslinkable compositions based on elastomers, at least one of which has carboxyl and/or carboxylate groups, are provided, these crosslinkable compositions containing special unsaturated organic salts of metal ions and a crosslinking system which acts as a free radical donor. Crosslinked elastomers which have excellent physical properties are obtainable therefrom. The novel crosslinkable compositions have a wide range of uses.Type: GrantFiled: September 25, 2006Date of Patent: January 12, 2010Assignee: LANXESS Deutschland GmbHInventors: Dirk Achten, Claus Wrana, Christopher Ong, Martin Mezger, Hans Magg, Jürgen Ismeier, Hans-Rafael Winkelbach
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Patent number: 7632891Abstract: The instant invention relates to a process for the preparation of grafted polymers wherein in a first step A) a oligomer or polymer is prepared by controlled radical polymerization in the presence of a stable free nitroxyl radical or a nitroxylether to obtain a nitroxyl terminated oligomer or polymer and in a second step B) the nitroxyl terminated oligomer or polymer is mixed and reacted with a thermoplastic or elastomeric polymer or copolymer in its molten state at a temperature at which cleavage of the nitroxyl-polymer/oligomer bond occurs, whereby the nitroxyl terminated oligomer or polymer is grafted onto the thermoplastic or elastomeric polymer. A further subject of the present invention is a grafted polymer prepared by said process.Type: GrantFiled: June 12, 2003Date of Patent: December 15, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Jochen Fink, Michael Roth, Rudolf Pfaendner
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Patent number: 7572861Abstract: The present invention relates to hydrogenated carboxylated nitrile-butadiene rubber (HXNBR), which contain molecularly dispersed triphenylphosphine, and which is useful as a cross-linking agent for elastomers, plastics and/or adhesive systems. The present invention also relates to products which are obtainable from the HXNBR having molecularly dispersed triphenylphosphine and elastomer, plastics and/or adhesive systems, a composition containing a HXNBR having molecularly dispersed triphenylphosphine and further non-molecularly dispersed activators, a process for the preparation of the composition as well as the use of HXNBR having molecularly dispersed triphenylphosphine, as an elasticizing agent for elastomer, plastics and/or adhesive systems.Type: GrantFiled: October 24, 2007Date of Patent: August 11, 2009Assignee: Lanxess Deutschland GmbHInventors: Dirk Achten, Hans-Rafael Winkelbach, Martin Mezger
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Publication number: 20090143532Abstract: One aspect of the invention relates to a transparent rubber-modified styrenic resin composition. The resin composition comprises about 5 to about 30 parts by weight of a styrene-butadiene rubbery copolymer; and about 0 to about 15 parts by weight of a matrix resin comprising about 20 to about 40 parts by weight of styrenic monomer, about 30 to about 60 parts by weight of unsaturated carboxylic acid alkyl ester monomer and about 0 to about 15 parts by weight of vinyl cyanide monomer; wherein the difference between the refractive index of the rubbery copolymer and the matrix resin is about 0.005 or less and the transparent rubber-modified styrenic resin composition has a haze of about 5% or less as measured by a Nippon Denshoku Haze meter using a 3 mm thick test sample.Type: ApplicationFiled: January 27, 2009Publication date: June 4, 2009Applicant: CHEIL INDUSTRIES INC.Inventors: Byeong Do LEE, Young Sub JIN, Hwan Seok PARK, Jae Keun HONG
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Patent number: 7399806Abstract: The present invention is directed to the preparation of photoresist polymers via living free radical polymerization techniques. Sterically bulky ester monomers are utilized as the polymerization components. Use of chain transfer agents is included in polymerization processing conditions. Cleavage of polymer terminal end groups that include a heteroatom are described.Type: GrantFiled: April 12, 2007Date of Patent: July 15, 2008Assignee: Symyx Technologies, Inc.Inventors: Didier Benoit, Adam Safir, Han-Ting Chang, Dominique Charmot, Kenji Okamoto, Isao Nishimura, Yong Wang
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Patent number: 7384684Abstract: The invention relates to an aqueous coating composition which comprises a mixture of polyvinylpyrrolidone, a surfactant and optionally an adhesion-promoting polymer. This mixture is suitable for inline coating of biaxially oriented polyester films. The thus obtained films feature a characteristic hydrophilic surface which prevents the fogging of the films with water droplets.Type: GrantFiled: October 4, 2005Date of Patent: June 10, 2008Assignee: Mitsubishi Polyester Film GmbHInventors: Matthias Konrad, Dagmar Klein, Herbert Peiffer, Gottfried Hilkert
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Patent number: 7270928Abstract: The present invention provides an isocyanate composition including an adduct of a multifunctional isocyanate compound having two or more isocyanate groups in the molecule thereof with a polymer obtained by radically polymerizing in the presence of a chain transfer agent having active hydrogen at least a vinyl monomer including a polymerizable compound having a polyether represented by the following Formula (I): A1-(L-O)n-B1 ??Formula (I) wherein A1 represents a group having an ethylenically unsaturated double bond; L represents an alkylene group; B1 represents an alkyl group or an aryl group; and n is an average polymerization degree of the polyether and represents a number of 8 to 300.Type: GrantFiled: January 6, 2005Date of Patent: September 18, 2007Assignee: Fujifilm CorporationInventors: Takashi Tamura, Koreshige Ito
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Patent number: 7250475Abstract: The present invention is directed to the preparation of photoresist polymers via living free radical polymerization techniques. Sterically bulky ester monomers are utilized as the polymerization components. Use of chain transfer agents is included in polymerization processing conditions. Cleavage of polymer terminal end groups that include a heteroatom are described.Type: GrantFiled: June 25, 2004Date of Patent: July 31, 2007Assignee: Symyx Technologies, Inc.Inventors: Didier Benoit, Adam Safir, Han-Ting Chang, Dominique Charmot, Kenji Okamoto, Isao Nishimura, Yong Wang
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Patent number: 7235612Abstract: This invention is a method for manufacturing a polymer alloy, by making at least two resins used as components miscible, and inducing the spinodal decomposition for causing phase separation, for forming a co-continuous structure with a wavelength of concentration fluctuation of 0.001 to 1 ?m or a dispersed structure with a distance between particles of 0.001 to 1 ?m. This invention is also a polymer alloy manufactured by the method. The polymer alloy of this invention can provide a molded article, film, fibers and the like respectively with excellent mechanical properties at high productivity.Type: GrantFiled: January 29, 2004Date of Patent: June 26, 2007Assignee: Toray Industries, Inc.Inventors: Sadayuki Kobayashi, Jiro Kumaki, Akira Hirai, Toru Nishimura
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Patent number: 7138458Abstract: A method is provided for preparing an adhesive composition that contains both a hydrophobic phase and a hydrophilic phase, wherein the hydrophobic phase is composed of a crosslinked hydrophobic polymer composition and the hydrophilic phase is a water-absorbent blend of a hydrophilic polymer and a complementary oligomer capable of crosslinking the hydrophilic polymer through hydrogen bonding, ionic bonding, and/or covalent bonding. The composition is useful as a bioadhesive, for affixing drug delivery systems, wound dressings, bandages, cushions, or the like to a body surface such as skin or mucosal tissue.Type: GrantFiled: October 12, 2004Date of Patent: November 21, 2006Assignees: Corium International, Inc., A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of SciencesInventors: Gary W. Cleary, Mikhail M. Feldstein, Valery G. Kulichikhin, Danir F. Bairamov
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Patent number: 7094833Abstract: Provided are a block copolymer including a polymer block containing acrylonitrile or methacrylonitrile as a principal constituent, which is excellent in heat resistance, weatherability, oil resistance, flame retardancy, and low-temperature resistance and which can be economically produced; and a thermoplastic resin composition and an elastomer composition each containing the block copolymer. The block copolymer is produced by reversible addition-fragmentation chain transfer polymerization in the presence of a thiocarbonylthio group-containing compound.Type: GrantFiled: July 1, 2002Date of Patent: August 22, 2006Inventors: Ryotaro Tsuji, Tomoki Hiiro
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Patent number: 7060751Abstract: A thermoplastic molding composition comprising a graft polymer is disclosed. The graft polymer contains: a) a continuous phase containing the polymerized product of at least one vinylaromatic monomer and at least one ethylenically unsaturated nitrile monomer, and b) a disperse phase containing ethylene/?-olefin rubber that is grafted with the polymerization product of at least one vinylaromatic monomer and at least one ethylenically unsaturated nitrile monomer. The weight average molecular weight of the continuous phase is 130,000 to 275,000 g/mole and the disperse phase is characterized in that its, weight average particle size is less than 0.90 ?m. The molding composition is characterized in improved resistance to weathering.Type: GrantFiled: December 15, 2003Date of Patent: June 13, 2006Assignee: Bayer AktiengesellschaftInventors: Gisbert Michels, Holger Warth, Pierre Vanhoorne
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Patent number: 7049368Abstract: The present invention relates to a rubber modified thermoplastic resin composition comprising a discontinuous elastomeric phase dispersed in a rigid thermoplastic phase, wherein at least a portion of the rigid thermoplastic phase is grafted to the elastomeric phase, which is prepared by a method comprising the steps of: (a) polymerizing a mixture of monomers in a first stage in the presence of the elastomeric phase, at least one of which monomers is selected from the group consisting of vinyl aromatic monomers and at least one of which monomers is selected from the group consisting of monoethylenically unsaturated nitrile monomers, followed by (b) polymerizing one or more monomers in at least one subsequent stage in the presence of the elastomeric phase from (a), wherein the one or more monomers comprise at least one monomer selected from the group consisting of (C1-C12)alkyl- and aryl-(meth)acrylate monomers. The method is also provided.Type: GrantFiled: May 5, 2004Date of Patent: May 23, 2006Assignee: General ElectricInventors: Albin Peter Berzinis, Satish Kumar Gaggar
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Patent number: 7037978Abstract: The invention relates to a quasi-interpenetrating network of polymer chains, the chains comprising linear polyacrylamide (LPA) chains in the form of a main frame having a weight average molecular weight of approximately 0.05 million to approximately 25 million g/mole, and a radius of gyration of approximately 10 nm to 350 nm; and polydimethylacrylamide (PDMA) chains prepared by polymerizing PDMA in the presence of the LPA main frame, wherein the LPA and PDMA chains are entangled within one another and interpenetrate one another, and wherein the quasi-interpenetrating network has substantially no chemical cross-linking.Type: GrantFiled: September 25, 2003Date of Patent: May 2, 2006Assignee: The Research Foundation of SUNY at Stony BrookInventors: Benjamin Chu, Liguo Song, Dufei Fang, Dehai Liang, Tianbo Liu, Yanmei Wang, Qicong Ying
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Patent number: 6949607Abstract: Thermoplastic resin compositions containing a rubber-reinforced thermoplastic resin (A) obtained by graft polymerizing a monomeric mixture (b) in the presence of a rubber-like polymer (a), and a copolymer (B) obtained by polymerizing an aromatic vinyl compound, a vinyl cyanide compound and optionally other copolymerizable monomeric compound(s), which copolymer (B) being a mixture of a copolymer (B1) having Mw of 50,000 to 110,000 and a copolymer (B2) having Mw of 115,000 to 400,000. The content of the rubber-like polymer (a) content in the rubber-reinforced thermoplastic resin (A) is 10 to 25% by weight, the vinyl cyanide monomeric unit in the acetone soluble matter is 15 to 40% by weight, and the ratios of Mw to Mn and MZ to Mn of the acetone soluble matter being 2 to 5 and 5 to 11, respectively.Type: GrantFiled: May 13, 2003Date of Patent: September 27, 2005Assignee: Techno Polymer Co., Ltd.Inventors: Tadashi Nagahara, Masanori Suzuki, Kazuki Iwai
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Medical contact adhesive comprising a two phase adhesive matrix of polyacrylates and polyamine salts
Patent number: 6936661Abstract: A medical pressure sensitive adhesive based on polyacrylates and neutral polyamine salts is characterized in that it has a pressure-sensitive adhesive matrix of two polymer components A and B, with polymer component A being a polyacrylate pressure-sensitive adhesive containing carboxyl groups, the carboxyl groups of which are neutralized; the polymer component B being a neutral polyamine salt obtained by reacting a polyacrylate copolymer containing amino groups with an acid, with the polymer component B being dispersed in the polymer component A, and the two components forming a two-phase system.Type: GrantFiled: July 11, 2001Date of Patent: August 30, 2005Assignee: LTS Lohmann Therapie-Systeme AGInventors: Andreas Koch, Stefan Bracht, Christoph Schmitz -
Patent number: 6930151Abstract: Block copolymers and star polymers having copolymer arms of PIB-PAN have been synthesized via living carbocationic polymerization and atom transfer radical polymerization in a methylene chloride/cyclohexanone solvent system.Type: GrantFiled: April 3, 2003Date of Patent: August 16, 2005Assignee: University of AkronInventors: Joseph P. Kennedy, Zheng Fang, Ahmed F. Moustafa