Solid Polymer Derived From (meth)acrylonitrile Patents (Class 525/238)
  • Patent number: 10544288
    Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 60 to about 40 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 40 to about 60 phr of natural rubber; and (C) from about 5 to 40 phr of a process oil; (D) optionally, from about 5 to 15 phr of a hydrocarbon traction resin (E) from 60 to 90 phr of silica; wherein the weight ratio of silica to the sum of the amounts of oil and traction resin is greater than 2.2.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: January 28, 2020
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Nihat Ali Isitman, Georges Marcel Victor Thielen
  • Patent number: 10351699
    Abstract: The present disclosure relates to a thermoplastic resin composition providing superior low-gloss characteristic, weather resistance, and mechanical properties and an extruded article manufactured from the same. More particularly, the present invention relates to a thermoplastic resin composition including 40 to 70% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer as a matrix resin; 20 to 40% by weight of an acrylic graft copolymer (a) in which 46 to 95% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 5 to 54% by weight of a (meth)acrylate-based rubbery polymer having an average particle diameter of 0.05 to 1 ?m; 1 to 10% by weight of an acrylic graft copolymer (b) in which 5 to 45% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 55 to 95 % by weight of a (meth)acrylate-based rubbery polymer having an average particle diameter of 0.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: July 16, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Chun Ho Park, Yong Yeon Hwang, Hyun Taek Oh, Min Jung Kim, Sang Mi Lee, Yeong Min Lee, Eun Soo Kang
  • Patent number: 9453125
    Abstract: High impact polystyrenes and related monovinyl aromatic polymers generally have either a high modulus or good resistance to environmental stress cracking. The present invention is directed at polymeric materials having both a high modulus and good resistance to environmental stress cracking thus enabling the down gauging of parts, and or the use of the materials in new applications. The invention is predicated on the use of one or more, or even all of the following features: a high molecular weight matrix polymer, reduced concentration of elastomeric polymer, or methods that result in large rubber particle size.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: September 27, 2016
    Assignee: TRINSEO EUROPE GMBH
    Inventors: Rudi Veraart, Gilbert Bouquet, Mark Georges Vreys, Ronald Van Daele, Alexander De Bokx
  • Patent number: 9000094
    Abstract: 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: Grant
    Filed: June 26, 2013
    Date of Patent: April 7, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Young Sub Jin, Byeong Do Lee, Ho Ryong Sun
  • Patent number: 8969480
    Abstract: To provide a polymer alloy formed of a non-polar rubber and a polar rubber, and a rubber product, which are improved in ozone resistance (weather resistance) while having oil resistance and can achieve high mechanical strength (in particular, tensile strength), and a production method thereof. A rubber product in which an organic peroxide or other cross-linking agent is used to cross-link a polymer alloy comprising: a modified rubber in which EPDM, NR, or another non-polar rubber having a non-conjugated double bond is modified with 2-methoxy-1-naphthonitrile oxide, 2,6-dimethoxybenzonitrile oxide, or another nitrile oxide of an aromatic nitrile oxide derivative; and nitrile rubber, acrylic rubber, or another polar rubber.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: March 3, 2015
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Naoki Iwase, Hideyuki Imai, Akishige Seo, Hideaki Kondo, Yusuke Katono
  • Publication number: 20140345821
    Abstract: A roll covering is particularly suitable for a roll for the treatment of a paper web, paperboard web, or any other web of fibrous material in a machine for the production and/or finishing the same. The roll covering encompasses at least one layer. The at least one layer is formed of a rubber composition that includes at least one (meth)acrylate compound and a rubber component with at least one crosslinked hydrogenated nitrile rubber. Further, the at least one layer has a recovery rate of at least 12 mm per second and/or a maximal degree of plastic deformation of 0.9%, and a maximal tan ? value of 0.16 determined in accordance with DIN 53513 at 60° C. in tension at 10 Hz, 15% static elongation, and 1% dynamic elongation.
    Type: Application
    Filed: January 24, 2013
    Publication date: November 27, 2014
    Inventors: Peter Putschoegl, Stephan Ully
  • Patent number: 8883924
    Abstract: Provided is a resin blend including a first resin and a second resin, the second resin having a hydrophobic functional group in a side chain and having a surface energy difference of 0.1 to 20 mN/m from the first resin at 25° C., the resin blend being capable of forming a layer separation structure. Also, provided are a pellet, a method for preparing the same, and a resin molding article having a specific layer separation structure. The resin blend may not only improve mechanical properties and surface hardness of the molding article but also shorten process time, increase productivity and reduce production cost by omitting an additional surface coating step.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: November 11, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Houng Sik Yoo, Jin Young Ryu, Woo Sung Kim, Han Na Lee, Eun Joo Choi, Hyeon Choi
  • Patent number: 8859678
    Abstract: The invention relates to a thermoplastic composition comprising at least one thermoplastic matrix; and at least one copolymer obtained by copolymerization of C1-C4 alkyl methacrylate, a C1-C8 alkyl acrylate comonomer, and a styrene monomer. The invention also relates to molded bodies based on said thermoplastic composition.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: October 14, 2014
    Assignee: Arkema France
    Inventors: Jean-Pierre Disson, Rosangela Pirri
  • Patent number: 8846813
    Abstract: The present invention provides an optical pressure-sensitive adhesive sheet excellent in anti-foaming release property in which whitening due to humidification hardly occurs. The invention relates to an optical pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition including: an acrylic polymer (A) which has a weight average molecular weight of 100,000 to 3,000,000 and is formed from a component including, as essential monomer components, a monomer having a nitrogen atom in a molecule thereof and a monomer having a hydroxyl group in a molecule thereof; and an acrylic polymer (B) having a weight average molecular weight of 1,000 to 30,000.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: September 30, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Masatomo Natsui, Yoshihito Takami, Kenta Yamashita
  • Patent number: 8821979
    Abstract: A process for manufacturing a non-woven fabric having on its surface distributed elements having a physical dimension, comprises screen printing on wet fabric a desired shape using a paste that expands under heating by virtue of a puffing agent contained therein.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: September 2, 2014
    Assignee: N. R. Spuntech Industries Ltd.
    Inventors: Jan van Mil, Ron Broshi
  • Publication number: 20140206803
    Abstract: Provided is a thermoplastic resin composition [X] for reduction of squeaking noises containing a rubber-reinforced vinyl resin [A] obtained by polymerizing a vinyl monomer [b1] in the presence of an ethylene -?- olefin rubber polymer [a1] having Tm (melting point) of 0° C. or higher, wherein an amount of silicon contained in the thermoplastic resin composition [X] is 0.15% by mass or less based on 100% by mass of the thermoplastic resin composition [X]. According to the present invention, a structure can be provided, which is characterized in that squeaking noises that are generated when members rub against each other is remarkably reduced, that an effect of reducing squeaking noises is maintained without deterioration even when placed under high temperature for a long time, and that impact resistance and molded appearance are superior.
    Type: Application
    Filed: August 31, 2012
    Publication date: July 24, 2014
    Applicant: TECHNO POLYMER CO., LTD.
    Inventors: Isamu Mochizuki, Kazuya Egawa
  • Patent number: 8742046
    Abstract: Provided is a maleimide copolymer which exhibits an excellent hue, an effect of imparting high heat resistance, and excellent kneadability. Specifically provided is a maleimide copolymer which comprises 50 to 60 mass % of a styrene monomer unit, 30 to 50 mass % of a maleimide monomer unit, and 0 to 10 mass % of an unsaturated dicarboxylic anhydride monomer unit, and which has a weight-average molecular weight (Mw) of 90,000 to 130,000 and a residual maleimide monomer content of 300 ppm or lower.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: June 3, 2014
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Tetsuo Noguchi, Koichi Ozawa
  • Patent number: 8716407
    Abstract: A novel vulcanizable composition is provided, based on at least one hydrogenated nitrile rubber, on at least one peroxide, on at least one unsaturated carboxylic acid and/or salts thereof, and also on specific microgels. These vulcanizable compositions can be used to obtain vulcanized products which can in particular be used for drive belts, roll coverings, hoses and cables.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: May 6, 2014
    Assignee: LANXESS Deutschland GmbH
    Inventors: Werner Obrecht, Claus Wrana
  • Publication number: 20140051771
    Abstract: A molded polyethylene component that comprises polyethylene having a melt flow index of about 3.5 g/10 min or greater as measured by ASTM D1238 at 190° C./21.5 kg weight and having an ash content of about 500 ppm or less may be useful biomedical devices, including kits and methods relating thereto.
    Type: Application
    Filed: August 12, 2013
    Publication date: February 20, 2014
    Applicant: Ticona LLC
    Inventors: Julia Hufen, Anthony Verrocchi, Rainer Walkenhorst
  • Patent number: 8648148
    Abstract: 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: Grant
    Filed: October 5, 2006
    Date of Patent: February 11, 2014
    Assignee: Styron Europe GmbH
    Inventors: Nigel A. Shields, Dominique Maes, Mary Ann Jones, Thomas D. Traugott
  • Patent number: 8642703
    Abstract: A composition including polyhydroxyalkanoic acid (PHA), an elastomeric compound of core-shell type, and an olefinic copolymer including an ethylenic monomer bearing an epoxy function. The PHA composition exhibits improved impact strength.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: February 4, 2014
    Assignee: Arkema France
    Inventors: Alain Bouilloux, Sébastien Quinebeche, Stephane Girois
  • Publication number: 20140018503
    Abstract: To provide a polymer alloy formed of a non-polar rubber and a polar rubber, and a rubber product, which are improved in ozone resistance (weather resistance) while having oil resistance and can achieve high mechanical strength (in particular, tensile strength), and a production method thereof. A rubber product in which an organic peroxide or other cross-linking agent is used to cross-link a polymer alloy comprising: a modified rubber in which EPDM, NR, or another non-polar rubber having a non-conjugated double bond is modified with 2-methoxy-1-naphthonitrile oxide, 2,6-dimethoxybenzonitrile oxide, or another nitrile oxide of an aromatic nitrile oxide derivative; and nitrile rubber, acrylic rubber, or another polar rubber.
    Type: Application
    Filed: November 21, 2011
    Publication date: January 16, 2014
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Naoki Iwase, Hideyuki Imai, Akishige Seo, Hideaki Kondo, Yusuke Katono
  • Patent number: 8592525
    Abstract: Provided is a molding composition comprising, based on the total weight of the composition, (A) 50.0% by weight to 99.5% by weight of at least one (co)polymer which is a homopolymer or copolymer of at least 80% by weight of methyl methacrylate, (B) 0.5% by weight to 50.0% by weight of at least one copolymer obtained by polymerization of a monomer, and (C) at least one low molecular weight (meth)acrylate (co)polymer having a solution viscosity in chloroform at 25° C. (ISO 1628—part 6) of less than or equal to 55 ml/g.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: November 26, 2013
    Assignee: Evonik Röhm GmbH
    Inventors: Klaus Schultes, Werner Hoess, Nils Mehler
  • Patent number: 8580892
    Abstract: A rubber composition has sufficient resistance to degradation and swelling caused by a liquid such as a water-soluble coolant and also is capable of having sufficient resistance to ozone. The rubber composition contains a fluororubber not having a vinylidene fluoride structure, a nitrile rubber, a fluorine-based oil and a peroxide vulcanizing agent.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: November 12, 2013
    Assignee: OMRON Corporation
    Inventors: Kazuyuki Tsukimori, Junryo Nariai, Tsutomu Inuyama, Shinji Mizuno
  • Patent number: 8557923
    Abstract: 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: Grant
    Filed: December 29, 2008
    Date of Patent: October 15, 2013
    Assignee: 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
  • Patent number: 8552112
    Abstract: 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: Grant
    Filed: December 29, 2010
    Date of Patent: October 8, 2013
    Assignee: Cheil Industries Inc.
    Inventors: So Young Kwon, Young Sub Jin, Sung Kwan Kim, Byeong Do Lee
  • Patent number: 8536277
    Abstract: 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: Grant
    Filed: June 23, 2009
    Date of Patent: September 17, 2013
    Assignee: LANXESS Deutschland GmbH
    Inventors: Julia Marie Mueller, Oskar Nuyken, Werner Obrecht
  • Patent number: 8507609
    Abstract: 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: Grant
    Filed: December 28, 2010
    Date of Patent: August 13, 2013
    Assignee: 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
  • Patent number: 8455591
    Abstract: A polyol composition comprising a polyol (a) and resin fine particles (b) dispersed in the polyol (a), and a method for producing the polyol composition are provided, wherein the resin fine particles (b) are particles such that an arithmetic standard deviation by volume of a particle size distribution of the particles, derived from respective values in 85 divisions of a range of 0.020 to 2000 ?m determined by a laser diffraction/scattering particle size distribution analyzer, is not more than 0.6. A resin fine particle-dispersed polyol composition that, even if the resin particles dispersed in the polyol have a small particle diameter, allows the production of a polyurethane resin having an excellent mechanical strength such as elongation at break, and a method for producing the same, are provided.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: June 4, 2013
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shigekuni Nakada, Hiroyuki Watanabe, Takayuki Tsuji, Hiroki Mori
  • Patent number: 8436098
    Abstract: The invention relates to the use of polyorganosiloxanes having 3 or more siloxane units, which has (i) at least one organic component R1, where R1 has at least one carbon-carbon multiple bond, and (ii) at least one hydrocarbon component R2, where R2 has a chain length of 5 to 50 carbon atoms. The polyorganosiloxanes are used in the processing and vulcanization of rubber and are incorporated reactively into it. They give rise to a lowering in the viscosity of the rubber in the course of processing and in some cases to an improvement in the mechanical properties of the vulcanized rubber.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: May 7, 2013
    Assignee: Schill + Seilacher “Struktol” GmbH
    Inventors: Uwe Dittrich, Volker Borger, Gisela Thummler, Theresia Klose
  • Patent number: 8394899
    Abstract: A polyol composition comprising a polyol (a) and resin fine particles (b) dispersed in the polyol (a), and a method for producing the polyol composition are provided, wherein the resin fine particles (b) are particles such that an arithmetic standard deviation by volume of a particle size distribution of the particles, derived from respective values in 85 divisions of a range of 0.020 to 2000 ?m determined by a laser diffraction/scattering particle size distribution analyzer, is not more than 0.6. A resin fine particle-dispersed polyol composition that, even if the resin particles dispersed in the polyol have a small particle diameter, allows the production of a polyurethane resin having an excellent mechanical strength such as elongation at break, and a method for producing the same, are provided.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: March 12, 2013
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Shigekuni Nakada, Hiroyuki Watanabe, Takayuki Tsuji, Hiroki Mori
  • Patent number: 8378026
    Abstract: 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: Grant
    Filed: January 27, 2009
    Date of Patent: February 19, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Byeong Do Lee, Young Sub Jin, Hwan Seok Park, Jae Keun Hong
  • Patent number: 8362143
    Abstract: 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: Grant
    Filed: December 29, 2008
    Date of Patent: January 29, 2013
    Assignee: 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
  • Patent number: 8349956
    Abstract: The present invention relates to a tire having a tread comprising a rubber composition that comprises at least: as a first diene elastomer, between 5 and 25 phr of a styrene-nitrile-butadiene terpolymer (SNBR) having a nitrile monomer content between 4 and 18% by weight; a second diene elastomer other than SNBR; a reinforcing filler; a liquid plasticizer, the glass transition temperature of which is below ?20° C. The invention makes it possible to improve the properties of rolling resistance and of grip on wet ground of tire treads.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: January 8, 2013
    Assignees: Compagnie Generale des Establissements Michelin, Michelin Recherche et Technique S.A.
    Inventors: Garance Lopitaux, Didier Vasseur
  • Patent number: 8299191
    Abstract: Disclosed herein are tunable shape memory polymers (SMP's) and methods for manufacturing the disclosed SMP's.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: October 30, 2012
    Assignee: Georgia Tech Research Corp.
    Inventors: Walter E. Voit, Taylor Ware, Kenneth Gall
  • Publication number: 20120219813
    Abstract: A film containing a polymer composition that includes from 0.1 to 60% by weight of interpolymer resin particles containing a styrenic polymer intercalated within a first polyolefin and from 40 to 99.9% by weight of at least one second polyolefin. The first polyolefin is present at from 20% to 80% by weight based on the weight of the particles, has a VICAT softening temperature greater than 60° C. and a melt index of from 0.3 to 15 g/10 minutes (Condition I, 190° C., 2.16 kg). The styrenic polymer is present at from 20% to 80% by weight based on the weight of the particles. The interpolymer resin particles have a gel content ranging from 0 to 5% by weight based on the weight of said interpolymer resin particles, a VICAT softening temperature ranging from 85° C. to 115° C., and a melt index value ranging from 0.1 to 6.0 (Condition I).
    Type: Application
    Filed: February 14, 2012
    Publication date: August 30, 2012
    Applicant: NOVA Chemicals Inc.
    Inventors: Eric Vignola, Daniel Purpura, Paul Tas, Jamie Marler
  • Patent number: 8227551
    Abstract: Disclosed herein is a polymeric composition comprising a polymeric composition comprising a first crosslinked network; and a second crosslinked network; wherein the first crosslinked network is crosslinked at a first stress and/or a first strain and the second crosslinked network is crosslinked at a second stress and/or a second strain; where the first stress and/or the first strain is different from the second stress and/or the second strain either in magnitude or direction. Disclosed herein is a method comprising subjecting a polymeric mass to a first stress and/or a first strain level; crosslinking the polymeric mass to form a first crosslinked network; subjecting the polymeric mass to a second stress and/or a second strain level; and crosslinking the polymeric mass to form a second crosslinked network; where the first stress and/or the first strain level is different from the second stress and/or the second strain level.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: July 24, 2012
    Assignee: The University of Massachusetts
    Inventors: Alan James Lesser, Naveen Kumar Singh, Mohit Mamodia
  • Patent number: 8227549
    Abstract: Composition containing, based in each case on its total weight, A) 50.0% by weight to 99.5% by weight of at least one (meth)acrylate (co)polymer and B) 0.5% by weight to 50.0% by weight of at least one copolymer obtainable by polymerization of a monomer mixture comprising i. 70% by weight to 92% by weight of a vinylaromatic monomer and ii. 8% by weight to 30% by weight of acrylonitrile or methacrylonitrile or mixtures thereof and iii. 0% by weight to 22% by weight of at least one further monomer, the composition having a haze according to ASTM D1003 of less than 2.0% at 23° C. and a haze according to ASTM D1003 of less than 4.0% at 40° C. and the composition containing at least one (meth)acrylate (co)polymer a) having a solution viscosity in chloroform at 25° C. (ISO 1628—part 6) of greater than 55 ml/g. The moldings obtainable from the composition are distinguished in particular by improved stress cracking resistance and are suitable in particular for coverings, finishes or films.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: July 24, 2012
    Assignee: Evonik Röhm GmbH
    Inventors: Klaus Schultes, Werner Hoess, Nils Mehler
  • Patent number: 8211979
    Abstract: 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: Grant
    Filed: December 15, 2006
    Date of Patent: July 3, 2012
    Assignee: LANXESS Deutschland GmbH
    Inventors: Dirk Achten, Stefanie Nickel, Maik Schulte, Michael Münker, Detlev Joachimi
  • Patent number: 8183324
    Abstract: The present invention is an antistatic acrylic fiber which comprises 90 to 99% by weight of acrylonitrile polymer containing 80 to 100% by weight of acrylonitrile as a constituting component and 10 to 1% by weight of acrylic antistatic resin containing 10 to 70% by weight of acrylonitrile as a constituting component, characterized in that alkali metal ion is contained in the fiber in an amount of not less than 150 ppm. The acrylic fiber of the present invention has antistatic property which does not lower so much even if the fiber is subjected to a spinning and dyeing step.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: May 22, 2012
    Assignee: Japan Exlan Company Limited
    Inventors: Yoshiki Yamato, Yoshihiro Watanabe
  • Patent number: 8178624
    Abstract: The invention relates to a composition containing, in relation to the total weight of said composition, A) between 50.0% by weight and 99.5% by weight of at least one (meth)acrylate (co)polymer and B) between 0.5% by weight and 50.0% by weight of at least one copolymer, obtained by the polymerization of a monomer mixture consisting of i. between 70% by weight and 92% by weight of a vinyl aromatic monomer and ii. between 8% by weight and 30% by weight of acryl nitrile or methacryl nitrile or mixtures thereof iii. between 0% by weight and 22% by weight of at least one other monomer, the composition having at 50° C. a ?E of less than 0.15, ?E being defined according to the relationship (1): (1) in which ?L*: the modification of the color co-ordinates L* compared with the color co-ordinates L* at 23° C., ?a*: the modification of the color co-ordinates a* compared with the color co-ordinates a* at 23° C., ?b*: the modification of the color co-ordinates b* compared to the color co-ordinates b* at 23° C.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: May 15, 2012
    Assignee: Evonik Röhm GmbH
    Inventors: Klaus Schultes, Werner Hoess, Nils Mehler
  • Patent number: 8147977
    Abstract: A thermoplastic resin composition that includes 100 parts by mass of a first vinyl (co)polymer (I) that is produced by (co)polymerization of at least one monomer component selected from the group consisting of aromatic vinyl compounds, vinyl cyanide compounds, and other vinyl monomers copolymerizable with these compounds, and 1 to 100 parts by mass of a vinyl copolymer (II) that is produced by copolymerization of a vinyl cyanide compound and another vinyl monomer copolymerizable with the vinyl cyanide compound and in which the content of the vinyl cyanide compound component in an acetone soluble fraction of the copolymer ranges from 0.1% to 15% by mass.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: April 3, 2012
    Assignee: UMG ABS, Ltd.
    Inventors: Kazuo Nishimoto, Katsuya Furushige, Koji Hirata, Yoshito Nagao
  • Patent number: 8013070
    Abstract: 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: Grant
    Filed: September 1, 2006
    Date of Patent: September 6, 2011
    Assignee: LANXESS Deutschland GmbH
    Inventors: Dirk Achten, Claus Wrana, Kay Varnhorn, Stephen Pask, Carsten Fischer
  • Patent number: 7985803
    Abstract: An optical material having a high birefringence and a small absolute value of a photoelastic coefficient is provided by use of a resin composition for an optical material comprising a resin (a) having a positive photoelastic coefficient and a negative inherent birefringence and a resin (b) having a negative photoelastic coefficient and a negative inherent birefringence.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: July 26, 2011
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Jun Yonezawa, Eiko Kobayashi, Masahito Kuramitsu, Yuko Fukuoka, Kimihiro Kubo, Hiroshi Shirai
  • Patent number: 7981981
    Abstract: Disclosed are polyarylene sulfide compounds and melt-processed shapes therefrom in the form of extruded profiles, tubings, pipes, fibers, monofilaments and films. Embodiments especially adapted from the invention are elongated spooled tubings exhibiting a smooth surface texture, spoolability and chemical resistance. The compounds contain polyarylene sulfide, a highly saturated, hydrogenated (if applicable) nitrile copolymer; and an organofunctional silane. The compounds exhibit spherical microdomains of the nitrile copolymer in diameters ranging from 0.1 ?m-100 ?m.
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: July 19, 2011
    Assignee: Ticona LLC
    Inventors: Manoj Ajbani, Andrew Bernard Auerbach
  • Publication number: 20110166293
    Abstract: The present invention relates to a composition containing at least one (meth)acrylic polymer and at least one copolymer containing motifs from at least one first monomer (A), enabling compatibility with said (meth)acrylic polymer, and at least one second motif (B) carrying an associative group. The invention also relates to the use of such a copolymer having associative groups to improve the properties of a (meth)acrylic polymer. The invention also relates to uses of the abovementioned composition.
    Type: Application
    Filed: June 12, 2009
    Publication date: July 7, 2011
    Applicants: Arkema France, CNRS
    Inventors: Nicolas Dufaure, François-Genes Tournilhac, Manuel Hidalgo, Ludwik Leibler
  • Patent number: 7956128
    Abstract: A thermoplastic resin composition for a refrigerator according to the present invention can include (A) about 20 to about 40 parts by weight of an acrylonitrile-butadiene-styrene graft copolymer resin prepared by grafting in emulsion polymerization about 60 to about 30% by weight of a monomer mixture comprising a cyanide vinyl compound and an aromatic vinyl compound to about 40 to about 70% by weight of a rubber polymer having an average particle size of about 0.1 to about 0.4 ?m; (B) about 1 to about 20 parts by weight of a styrenic copolymer comprising (b1) about 0 to about 75% by weight of a styrenic copolymer prepared by copolymerizing about 5 to about 20% by weight of a rubber polymer having an average particle size of about 0.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: June 7, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Kang Yeol Park, Hee Jung Park, Jae Hyung Lee
  • Patent number: 7947782
    Abstract: The present invention concerns a vulcanizable composition, vulcanized products produced from it, and their use in particular in the production of golf balls or roll coverings.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: May 24, 2011
    Assignees: Rhein Chemie Rheinau GmbH, LANXESS Deutschland GmbH, LANXESS Inc.
    Inventors: Judy E. Hannay, Thomas Früh, Werner Obrecht
  • Patent number: 7947781
    Abstract: The invention relates to a molded body consisting of plastic with a material thickness of at least 150 $g(m)m at any point. Said body contains a polymer mixture of an impact-resistance modified poly(meth)acrylate plastic, a polymethyl methacrylate matrix, elastomer particles contained in said matrix and a fluoropolymer. According to the invention, the fraction of the fluoropolymer in the mixture is between 30 and 95 wt. % and the polymer mixture of the impact-resistance modified poly(meth)acrylate plastic and the fluoropolymer is present in an outer layer with a continuous material thickness of at least 10 $g(m)m. The invention is characterized in that the impact-resistance modified poly(meth)acrylate plastic consists of between 20 and 70 wt. % poly(meth)acrylate matrix and between 30 and 80 wt. % elastomer particles.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: May 24, 2011
    Assignee: Evonik Rohm GmbH
    Inventors: Thomas Arndt, Uwe Numrich, Norbert Deusch, Christoph Krohmer
  • Publication number: 20110111189
    Abstract: A section of polymeric sheet material includes a quantity of primary polymer and a plurality of particles of at least one non-primary polymer. A plastic card formed from the section of polymeric sheet material and a method of manufacturing polymeric sheet material are also included.
    Type: Application
    Filed: June 26, 2009
    Publication date: May 12, 2011
    Inventor: Rodd S. Gilbert
  • Patent number: 7939594
    Abstract: The invention provides a composition that contains at least one specific non-crosslinkable organic medium at least one microgel and at least one thickening agent, a process for the preparation thereof and uses of the compositions.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: May 10, 2011
    Assignees: Rhein Chemie Rheinau GmbH, LANXESS Deutschland GmbH
    Inventors: Werner Obrecht, Torsten Ziser, Thomas Früh, Patrick Galda, Achim Fessenbecker
  • Patent number: 7915346
    Abstract: The invention relates to an impact modified acrylic sheet composition having a bimodal distribution of impact modifier particle sizes. The composition provides an optimal balance of impact performance and appearance after melt processing.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: March 29, 2011
    Assignee: Arkema France
    Inventors: Harold R. Banyay, Brian Edgecombe
  • Publication number: 20110040035
    Abstract: 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: Application
    Filed: October 5, 2006
    Publication date: February 17, 2011
    Inventors: Nigel A. Shields, Dominique Maes, Mary Ann Jones, Thomas D. Traugott
  • Publication number: 20100331474
    Abstract: A method of modifying the rheology of a thermoplastic resin that includes the steps of providing a thermoplastic resin and blending interpolymer resin particles with the thermoplastic resin. The interpolymer resin contains a styrenic polymer intercalated within a polyolefin, such that the thermoplastic resin is present as a continuous phase and the interpolymer resin is present as a dispersed phase. The method provides a rheology modified thermoplastic resin with improved physical characteristics.
    Type: Application
    Filed: March 17, 2010
    Publication date: December 30, 2010
    Applicant: NOVA CHEMICALS INC.
    Inventor: Eric Vignola
  • Publication number: 20100240834
    Abstract: A method of improving the stress crack resistance of an impact modified styrenic polymer comprising (a) combining about 95 to about 99.5 wt. % of an impact modified styrenic polymer with about 0.5 to about 5 wt. % of a polymer solution comprising about 25 to about 75 wt. % polyisobutylene and about 25 to about 75 wt. % of a polyolefin comprising one or more C2 to C12 alpha olefins.
    Type: Application
    Filed: February 23, 2010
    Publication date: September 23, 2010
    Applicant: INEOS NOVA LLC
    Inventors: Thomas Cochran, Jeffrey P. Viola