Solid Graft Or Graft-type Copolymer Derived From Ethylenic Reactants Only Patents (Class 525/64)
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Patent number: 8816008Abstract: The invention relates to an impact modified thermoplastic resin comprising a polymeric impact modifier with a core-shell structure comprising 2-octylacrylate.Type: GrantFiled: September 20, 2011Date of Patent: August 26, 2014Assignee: Arkema FranceInventors: Rosangela Pirri, Stephane Girois, Pascale Dargelos, Magali Bergeret-Richaud
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Publication number: 20140235791Abstract: Films (or a cap layer of co-extruded films) and methods of forming the same are described herein. The films generally include a modified olefin based polymer including polypropylene and from 1 wt. % to 30 wt. % polylactic acid (PLA), wherein the modified olefin based polymer exhibits a seal initiation temperature (SIT) that is at least 5° C. less than a seal initiation temperature of the polypropylene absent the PLA and a hot tack range of at least 20° C.Type: ApplicationFiled: March 20, 2014Publication date: August 21, 2014Applicant: FINA TECHNOLOGY, INC.Inventors: Fengkui Li, John Ashbaugh
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Patent number: 8809455Abstract: A dynamically vulcanized alloy contains at least one isobutylene-containing elastomer and at least one thermoplastic resin, wherein the elastomer is present as a dispersed phase of small vulcanized or partially vulcanized particles in a continuous phase of the thermoplastic resin. The dynamically vulcanized alloy also contains an anhydride functionalized oligomer. The alloy maintains a high Shore A hardness value while obtaining improved flowability for processing.Type: GrantFiled: August 27, 2009Date of Patent: August 19, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: Maria D. Ellul, Anthony Jay Dias, Rodney May
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Publication number: 20140228517Abstract: A composition comprising a blend of a polyolefin, polylactic acid, and a reactive modifier. A method of producing an oriented film comprising reactive extrusion compounding a mixture comprising polypropylene, polylactic acid, a reactive modifier to form a compatibilized polymeric blend, casting the compatibilized polymeric blend into a film, and orienting the film. A method of preparing a reactive modifier comprising contacting a polyolefin, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of an epoxy-functionalized polyolefin wherein the epoxy-functionalized polyolefin has a grafting yield of from 0.2 wt. % to 15 wt. %.Type: ApplicationFiled: April 15, 2014Publication date: August 14, 2014Applicant: FINA TECHNOLOGY INC.Inventors: Fengkui Li, Tim J. Coffy, Michel Daumerie
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Publication number: 20140227516Abstract: A carbon fiber sizing agent imparts good bonding performance to carbon fiber, is used to reinforce a thermoplastic matrix resin, and provides a carbon fiber strand applied with the sizing agent and a fiber-reinforced composite reinforced with the carbon fiber strand. The sizing agent for carbon fiber is used to reinforce thermoplastic matrix resin. The sizing agent essentially contains a polymer component having a glass transition temperature of at least 20 deg.C. and exhibits no endothermic peaks indicating an endothermic heat of fusion due to crystalline melting of at least 3 J/g in a determination with a DSC. The weight ratio of the polymer component is 10 to 100 wt % of the nonvolatile components of the sizing agent. The polymer component is at least one component selected from the group consisting of an aromatic polyester resin, aromatic polyester-polyurethane resin and amine-modified aromatic epoxy resin.Type: ApplicationFiled: October 15, 2012Publication date: August 14, 2014Inventors: Yoshio Hashimoto, Yusuke Shimizu, Mikio Nakagawa
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Publication number: 20140228518Abstract: Methods for obtaining toughened products from unsorted post-consumer plastics is disclosed. A toughened plastic composition is further disclosed, which includes a first thermoplastic polymer, a different second thermoplastic polymer, and a maleic anhydride-grafted ethylene/propylene rubber compatibilizer.Type: ApplicationFiled: April 16, 2014Publication date: August 14, 2014Applicant: King Abdulaziz City for Science and TechnologyInventors: Fares D. Alsewailem, Abdulmajeed M. Algaflah, Yazeed A. Binkheder
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Patent number: 8802751Abstract: The invention relates to impact-modified polymer compositions, containing a polymer blend of polycarbonate with polyester and/or polyamide, plus an impact modifier blend of core/shell and functional polyolefin impact modifiers. The impact modifiers can provide the polymer blend composition with improved impact strength at equivalent loading, and also allow for higher amounts of polyester and/or polyamide in the blend without sacrificing impact strength.Type: GrantFiled: June 9, 2010Date of Patent: August 12, 2014Assignee: Arkema Inc.Inventors: Jason M. Lyons, Stephane Girois
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Patent number: 8779050Abstract: The present invention relates to non-aging, impact-modified polycarbonate compositions and molding compositions comprising: A) from 60 to 86 parts by weight (based on the sum of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) from 4 to 12 parts by weight (based on the sum of components A+B+C) of graft polymer comprising: B.1 from 10 to 50 wt. % (based on the graft polymer B) of a shell of at least one vinyl monomer, and B.2 from 90 to 50 wt. % (based on the graft polymer B) of a graft base of silicone-acrylate composite rubber, C) from 10 to 30 parts by weight (based on the sum of components A+B+C) of a polymer or copolymer based on vinyl monomer, and D) from 0 to 20 parts by weight of polymer additives.Type: GrantFiled: July 20, 2012Date of Patent: July 15, 2014Assignee: Bayer Materialscience AGInventors: Achim Feldermann, Andreas Seidel, Eckhard Wenz
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Patent number: 8759431Abstract: A durable polyoxymethylene composition includes a polyoxymethylene copolymer with 1,3-dioxolane as a comonomer, a lubricant, an inorganic filler, a nucleating agent including a sodium salt, a stabilizer, an anti-static agent. A ramp is made of the durable polyoxymethylene. The ramp and the durable polyoxymethylene have excellent micro-wear-resistant property.Type: GrantFiled: May 30, 2012Date of Patent: June 24, 2014Assignee: Min Aik Technology Co., Ltd.Inventors: Jung-Pao Chang, Chi-En Lin
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Patent number: 8753728Abstract: The properties of melt blends of specific aliphatic-aromatic copolyesters and starch are improved by addition of a combination of polylactic acid, graft copolymers such maleic anhydride grafted polyethylene and maleic anhydride grafted polystyrene, and a hindered phenolic antioxidant. The blends exhibit increased melt strength and maximum draw down ratio versus blends of only aliphatic-aromatic copolyesters and starch. Films made from the blend are compostable and exhibit an attractive combination of mechanical and rheological properties for packaging materials.Type: GrantFiled: December 19, 2012Date of Patent: June 17, 2014Assignee: E I du Pont de Nemours and CompanyInventor: Rameshchandra M Gohil
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Publication number: 20140161858Abstract: Thermoplastic elastomer compositions are described comprising multigraft copolymers. The multigraft copolymers can comprise a rubbery polymeric backbone and a plurality of glassy polymeric side chains, each attached at one of a plurality of branch points randomly spaced along the backbone. The copolymer materials have high tensile strength, high strain at break, and low residual strain after elongation. The compositions can be used as adhesives and in a wide variety of high tech, medical, and commodity applications.Type: ApplicationFiled: September 30, 2011Publication date: June 12, 2014Applicant: University of Tennessee Research FoundationInventors: Jimmy W Mays, Liane Weidisch, Samuel P Gido, Christina Weidisch
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Publication number: 20140155537Abstract: Disclosed herein is a curable composition comprising ethylene copolymer elastomer, a relatively small amount of a polyamide, and optionally a compatibilizer wherein curable composition demonstrates improved heat aging properties without the loss of tensile strength. Also disclosed is the process for making such curable ethylene copolymer elastomer.Type: ApplicationFiled: November 20, 2013Publication date: June 5, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventor: Steven R. Oriani
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Patent number: 8742014Abstract: An object of the invention is to provide a liquid resin composition with low viscosity while containing polymer particles. Further, another object of the invention is to provide a liquid resin composition containing a large quantity of polymer particles without increasing the viscosity of the liquid resin composition. A liquid resin composition of the invention is comprising a liquid resin component and polymer particles each having an elastic core layer, an intermediate layer formed with a monomer having two or more double bonds and coated on the core layer, and a shell layer coated on the intermediate layer; wherein the polymer particles are dispersed at a ratio of their volume average particle diameter (Mv) to their number average particle diameter (Mn) of 3 or lower.Type: GrantFiled: September 9, 2008Date of Patent: June 3, 2014Assignee: Kaneka CorporationInventor: Shinya Hongo
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Publication number: 20140147660Abstract: Provided is a thermoplastic resin composition having excellent weather resistance, impact resistance, and fluidity and also excellent color developing properties and residence heat stability. A graft copolymer (A) prepared by graft polymerization of a certain amount of a specific monomer (a2) onto a certain amount of composite rubber (a1) composed of a conjugated diene rubber polymer and a cross-linked acrylic ester polymer. The tetrahydrofuran-soluble portion of the composite rubber (a1) has a weight-average molecular weight of 50000 or more in terms of polystyrene and a degree of swelling in toluene of 7.0 or more, or in the composite rubber contained in the graft copolymer, the number of particles having an equivalent-circle diameter of 150 nm or less is 50% or less of the total number of the composite rubber particles.Type: ApplicationFiled: July 11, 2012Publication date: May 29, 2014Applicant: NIPPON A&L INC.Inventors: Takumi Miyahiro, Masanori Ito, Seiji Tamai, Fumitoshi Takeda, Kazunori Takahashi, Tomoyoshi Akiyama, Hajime Tomita, Haruki Okuno, Shunsaku Kubota, Masaaki Okada, Atsushi Hashimoto, Yoshiaki Takada, Nobuyuki Nakashima, Jiichiro Yoshida, Takayoshi Fujiwara, Shouta Kosaka
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Publication number: 20140141189Abstract: Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.Type: ApplicationFiled: November 22, 2013Publication date: May 22, 2014Applicant: FINA TECHNOLOGY, Inc.Inventors: Fengkui Li, Luyi Sun, John Ashbaugh, David Rauscher, Leland Daniels, Robert Dotter
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Patent number: 8716382Abstract: Disclosed are a thermoplastic polyester elastomer resin composition and a molded article comprising the same. More specifically, disclosed is a thermoplastic polyester elastomer resin composition which comprises a glycidyl group-modified ethylene-octene based copolymer resin, as a chain extension/hydrolysis resistance agent for blow and extrusion molding to improve melt viscosity, and increases a molecular weight through reaction extrusion and thus exhibits superior heat resistance, weather resistance, heat aging resistance, hydrolysis resistance, fatigue resistance properties, melt viscosity and parison stability, and in particular, exhibits superior blow molding, contains no gel, reduces production of odor-causing substances such as volatile organic compounds (TVOC) during blow molding, and maintains a balance between physical properties, moldability and operation environments.Type: GrantFiled: April 2, 2013Date of Patent: May 6, 2014Assignee: LG Chem, Ltd.Inventors: Sang Wook Na, Ho Dong Kim, Mi Ah Lee, Gi Dae Choi, Ji Seon Kim
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Publication number: 20140110880Abstract: A thermoplastic elastomer compound is disclosed having a high strain recovery rate and a high strain fixity rate to provide shape memory, preferably manageable shape memory. One type of thermoplastic elastomer compound is comprises a maleated styrenic block copolymer and polycaprolactone to achieve the shape memory. A second type of thermoplastic elastomer compound comprises styrene-ethylene/butylene-styrene and a paraffin wax having less than about 0.5% oil content. Shape modes of articles made from the thermoplastic elastomer compound can be altered by at least one thermo-mechanical event to cause deformation of the compound from a first shape to a second shape with retention of the compound in the second shape for any reasonable time interval.Type: ApplicationFiled: May 30, 2012Publication date: April 24, 2014Applicant: POLYONE CORPORATIONInventor: Liang Xu
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Patent number: 8703869Abstract: The invention relates to impact-modified polycarbonate compositions which are distinguished by high heat resistance and good melt flow behavior. In addition, the moldings produced from the compositions according to the invention in an injection-molding process can be metallised, the resulting metallised moldings having a surface with a particularly high and, in particular, homogeneous gloss. The invention thus also provides the metallised moldings produced from the compositions according to the invention.Type: GrantFiled: March 23, 2010Date of Patent: April 22, 2014Assignee: Bayer Materialscience AGInventors: Andreas Seidel, Eckhard Wenz, Hans-Jü{umlaut over ( )}rgen Klankers
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Publication number: 20140066565Abstract: The provided is a polypropylene/polylactic acid resin composition comprising a polypropylene resin, a polylactic acid resin, a reactive compatibilizer, optionally an impact modifier and an inorganic filler, having excellent heat resistance, impact resistance and flexural modulus.Type: ApplicationFiled: September 3, 2013Publication date: March 6, 2014Applicant: Samsung Total Petrochemicals Co., Ltd.Inventors: Jin Seong JEONG, Do Hoon LEE, Young Joo LEE
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Patent number: 8664334Abstract: A resin composition is described that is excellent in strength, impact resistance, heat resistance and moldability, while further allowing for a reduction in the amount of CO2 needed for its production. The resin composition includes a styrene-based resin (A), an aliphatic polyester (B) and at least one species selected from a compatibilizer (C) and a dicarboxylic anhydride (D), wherein the compatibilizer is preferably at least one species selected from: (C-1) a methyl methacrylate polymer; (C-2) a vinyl-based polymer to which an epoxy unit or acid anhydride unit is copolymerized; (C-3) a graft polymer in which a methyl methacrylate unit is grafted to a rubbery polymer; and (C-4) a block copolymer having a polylactide segment and a vinyl-based polymer segment.Type: GrantFiled: July 11, 2011Date of Patent: March 4, 2014Assignee: Toray Industries, Inc.Inventors: Sadanori Kumazawa, Akiyoshi Tamai, Hiroyuki Ohme, Sadayuki Kobayashi
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Publication number: 20140058019Abstract: Disclosed are a thermoplastic polyester elastomer resin composition and a molded article comprising the same.Type: ApplicationFiled: April 2, 2013Publication date: February 27, 2014Applicant: LG CHEM, LTD.Inventors: Sang Wook Na, Ho Dong Kim, Mi Ah Lee, Gi Dae Choi, Ji Seon Kim
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Patent number: 8653188Abstract: The object of the present invention is to provide a thermoplastic polymer composition which is excellent in the impact resistance, a fracture morphology and rigidity, as well as has a possibility of the effect for reducing environmental load. The thermoplastic resin composition comprises 15 to 85% by mass of aliphatic polyester-based resin (A) comprising the following (AI) and (AII) components, and 15 to 85% by mass of styrene-based resin (B) which is at least one selected from the group consisting of the following (BI) to (BIII). The above (AI) is an aliphatic polyester-based resin having units formed from an aliphatic diol and/or an alicyclic diol and an aliphatic dicarboxylic acid (including derivatives thereof) and/or an alicyclic dicarboxylic (including derivatives thereof) as repeating units, and the above (AII) is a polylactic acid-based aliphatic polyester resin having not less than 70 mol % of lactic acid unit content.Type: GrantFiled: May 8, 2008Date of Patent: February 18, 2014Assignee: Techno Polymer Co., Ltd.Inventors: Tatsuya Toneri, Masaaki Mawatari
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Patent number: 8642701Abstract: Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.Type: GrantFiled: February 8, 2011Date of Patent: February 4, 2014Assignee: Fina Technology, Inc.Inventors: Fengkui Li, Luyi Sun, John Ashbaugh, David Rauscher, Leland Daniels, Robert Dotter
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Patent number: 8642700Abstract: A thermoplastic composition suitable for making articles having low gloss and good impact resistance at low temperatures is disclosed. The composition contains (A) 10 to 90 percent relative to the weight of the composition (pbw) of an aromatic (co)poly(ester)carbonate, (B) 10 to 90 pbw of first graft (co)polymer containing a graft base selected from the group consisting of polyurethane, ethylene vinyl acetate, silicone, ethylene-propylene diene rubbers, ethylene propylene rubbers, acrylate rubbers, diene rubbers, and polychloroprene, and a grafted phase, (C) 1 to 20 pbw of a linear glycidyl ester functional polymer comprising repeating units derived from one or more glycidyl ester monomers and (D) 1 to 20 pbw of a second graft (co)polymer containing a core and shell wherein the core contains an interpenetrated network of poly(meth)alkyl acrylate and polyorganosiloxane, and wherein the shell contains poly(meth)acrylate.Type: GrantFiled: November 3, 2006Date of Patent: February 4, 2014Assignee: Bayer MaterialScience LLCInventors: Marina Rogunova, James P. Mason, Xiangyang Li
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Patent number: 8637130Abstract: A molded part that is formed from a thermoplastic composition that contains a polylactic acid, propylene/?-olefin copolymer, and a polyolefin compatibilizer is provided. The propylene/?-olefin copolymer can be dispersed as discrete physical domains within a continuous matrix of the polylactic acid. Without intending to be limited by theory, it is believed that the discrete domains can help resist the expansion of the composition during a molding operation, which minimizes the degree of expansion experienced by the composition during molding in comparison to conventional polylactic acid compositions.Type: GrantFiled: February 10, 2012Date of Patent: January 28, 2014Assignee: Kimberly-Clark Worldwide, Inc.Inventors: James H. Wang, Gregory J. Wideman
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Publication number: 20130317173Abstract: Injection molded articles and process of forming the same are described herein. The processes generally include providing a polyolefin including one or more propylene heterophasic copolymers, the polyolefin having an ethylene content of at least 10 wt. % based on the total weight of the polyolefin; contacting the polyolefin with a polylactic acid and a reactive modifier to form a compatiblized polymeric blend, wherein the reactive modifier is produced by contacting a polypropylene, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of a glycidyl methacrylate grafted polypropylene (PP-g-GMA) having a grafting yield in a range from 1 wt. % to 15 wt. %; and injection molding the compatibilized polymeric blend into an article.Type: ApplicationFiled: August 1, 2013Publication date: November 28, 2013Applicant: FINA TECHNOLOGY, INC.Inventors: Fengkui Li, John Ashbaugh, Gabriel Desille, Caroline Schils
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Patent number: 8580890Abstract: The present invention concerns a heterophasic propylene copolymer of high melt flow for injection molding, which comprise a propylene polymer matrix and a rubber. The heterophasic propylene copolymers of the present invention are characterized by a high viscosity of the rubber phase and a well-defined ratio of the intrinsic viscosities of the rubber phase and the propylene polymer matrix, thus resulting in improved mechanical properties. The present invention further relates to a process for the production of such heterophasic propylene copolymers, their use and articles produced with them.Type: GrantFiled: July 2, 2009Date of Patent: November 12, 2013Assignee: Total Petrochemicals Research FeluyInventors: Rita De Luca, Philippe Hoslet
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Publication number: 20130281603Abstract: A thermoplastic resin composition comprises: (A) a graft copolymer resin comprising a core comprising a rubber polymer; and a shell formed by graft polymerization of acrylic acid alkyl ester monomer and/or methacrylic acid alkyl ester monomer, unsaturated nitrile monomer, and aromatic vinyl monomer on the surface of the core; (B) a non-graft copolymer resin comprising a copolymer which is formed by polymerizing acrylic acid alkyl ester monomer and/or methacrylic acid alkyl ester monomer, aromatic vinyl monomer, and unsaturated nitrile monomer; and a (co)polymer which is formed by polymerizing acrylic acid alkyl ester monomer, methacrylic acid alkyl ester monomer or a combination thereof; and (C) a siloxane impact reinforcing agent. The composition can have excellent impact strength and scratch resistance, and exhibits reduced or no cloudy white phenomenon at a low temperature.Type: ApplicationFiled: June 24, 2013Publication date: October 24, 2013Inventors: Sung Hun Jin, Chang Do Jung, Bang Duk Kim, Jun Hong Park
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Patent number: 8524832Abstract: The invention relates to a impact-modified bio-degradable polymer composition having large particle size impact modifiers dispersed in a continuous biodegradable polymer phase. The impact modifiers have a core-shell morphology and have average sizes of greater than 250 nm. The impact-modified composition has good impact properties and low haze. The biodegradable polymer is preferably a polylactide or polyhydroxy butyrate. The composition comprises 30-99.9 weight percent of degradable polymer and 0.1 to 15 weight percent of one or more impact modifiers.Type: GrantFiled: May 29, 2009Date of Patent: September 3, 2013Assignee: Arkema Inc.Inventor: Zuzanna Cygan
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Patent number: 8519052Abstract: The present invention provides a resin composition for coating which is capable of exhibiting an excellent balance between coatability, impact resistance, moldability and chemical resistance, and capable of attaining a good coating appearance, for example, even when a large-size molded product is coated. The resin composition for coating according to the present invention comprises 84.9 to 98.9 parts by mass of the below-mentioned rubber-reinforced vinyl-based resin [A], 1 to 8 parts by mass of a polyester resin [B] and 0.1 to 7.Type: GrantFiled: April 4, 2011Date of Patent: August 27, 2013Assignee: Techno Polymer Co., Ltd.Inventors: Kazuhiro Okamoto, Kazuya Egawa
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Patent number: 8466233Abstract: A polylactic acid-based resin composition including a polylactic acid (A), a multilayered polymer (B) and a multilayered polymer (C), wherein the content of each of the multilayered polymer (B) and the multilayered polymer (C) is 0.5 to 8% by mass of the whole resin composition; the multilayered polymer (B) and the multilayered polymer (C) are each constituted of a core layer(s) and a shell layer(s); the core layer constituting the multilayered polymer (B) contains an acrylic rubber; and the core layer constituting the multilayered polymer (C) contains a composite rubber containing an acrylic component and a silicone component.Type: GrantFiled: November 29, 2010Date of Patent: June 18, 2013Assignee: Unitika Ltd.Inventors: Keisuke Kimura, Kazue Ueda
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Patent number: 8466214Abstract: 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: GrantFiled: August 4, 2009Date of Patent: June 18, 2013Assignee: Arkema FranceInventors: Rosangela Pirri, Philippe Hajji
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Patent number: 8461261Abstract: Provided is a resin composition containing a resin component prepared by blending a graft copolymer with an engineering plastic, wherein the above graft copolymer is a graft copolymer satisfying (a) to (e) shown below: (a) a graft rate is 1 to 150% by mass, (b) a weight average molecular weight measured by GPC is 500 to 400000, (c) a molecular weight distribution (Mw/Mn) is 1.5 to 4, (d) a main chain is a polymerization chain containing 1 to 100% by mass of a monomer unit having a functional group interacting with the engineering plastic and (e) a side chain is a homopolymerization chain of a single kind selected from ?-olefins having 3 to 28 carbon atoms or a copolymerization chain of two or more kinds selected therefrom or a copolymerization chain comprising an ?-olefin unit having 3 to 28 carbon atoms and an ethylene unit which accounts for 50% by mass or less, and a mesopentad ratio [mmmm] of the polymerization chain is 30 to 80 mole %.Type: GrantFiled: January 14, 2009Date of Patent: June 11, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Manabu Nomura, Susumu Kanno, Ryo Aburatani, Shuji Machida
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Patent number: 8461271Abstract: Provided is a production process for a graft copolymer or a thermoplastic resin composition containing the above graft copolymer, which comprises graft-polymerizing 100 parts by mass of a combination of 20 to 100% by mass of a reactive polyolefin and 0 to 80% by mass of a polyolefin other than the reactive polyolefin with 0.2 to 300 parts by mass of at least one specific monomer under the presence of a radical initiator and which is useful as a sealant, a modifier for polyolefins, a surface treating agent, a primer treating agent, a coating agent component and the like.Type: GrantFiled: November 30, 2007Date of Patent: June 11, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shuji Machida, Ryo Aburatani, Takenori Fujimura, Harumi Nakashima
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Patent number: 8461260Abstract: Impact-modified polycarbonate compositions are disclosed that comprise a first graft polymer based on silicone-acrylate composite rubber as graft base, wherein the amount of silicone rubber is from 65 to 95 wt. % (based on the graft base), and a second graft polymer containing free copolymer, that is to say copolymer that is not chemically bonded to the rubber, and having a weight-average molecular weight of from 60,000 to 150,000 g/mol. The use of the polycarbonate compositions in the production of molded articles, and to the molded articles themselves are also disclosed. The compositions and molding compositions have an optimum combination of good elongation at tear, good hydrolytic stability and low melt viscosity.Type: GrantFiled: December 17, 2009Date of Patent: June 11, 2013Assignee: Bayer Intellectual Proeprty GmbHInventors: Achim Feldermann, Eckhard Wenz, Andreas Seidel, Evgueni Avtomonov
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Patent number: 8461262Abstract: A biodegradable fiber that is formed from a thermoplastic composition that contains polylactic acid, a plasticizer, and a compatibilizer is provided. The compatibilizer includes a polymer that is modified with a polar compound that is compatible with the plasticizer and a non-polar component provided by the polymer backbone that is compatible with polylactic acid. Such functionalized polymers may thus stabilize each of the polymer phases and reduce plasticizer migration. By reducing the plasticizer migration, the composition may remain ductile and soft. Further, addition of the functionalized polymer may also promote improved bonding and initiate crystallization faster than conventional polylactic acid fibers. The polar compound includes an organic acid, an anhydride of an organic acid, an amide of an organic acid, or a combination thereof. Such compounds are believed to be more compatible with the generally acidic nature of the polylactic acid fibers.Type: GrantFiled: July 20, 2012Date of Patent: June 11, 2013Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Ryan J. McEneany, Vasily A. Topolkaraev, Aimin He
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Patent number: 8445581Abstract: The present invention provides a biocompatible prepolymer comprising hydrophilic and hydrophobic segments, wherein the hydrophobic segments have at least one ethylenically unsaturated functional group and at least 5% of the segments have two or more ethylenically unsaturated functional groups and water. The invention further provides a biocompatible prepolymer composition comprising hydrophilic and hydrophobic prepolymers, wherein at least one of the hydrophobic prepolymers has at least one ethylenically unsaturated functional group and at least 5% of the prepolymers have two or more ethylenically unsaturated functional groups and water. The invention further provides use of the prepolymer or prepolymer compositions of the invention in biomedical applications such as tissue engineering, as bone substitutes or scaffolds, and in wound treatment.Type: GrantFiled: August 2, 2007Date of Patent: May 21, 2013Assignee: Polynovo Biomaterials Pty LimitedInventors: Pathiraja Arachchillage Gunatillake, Roshan Tyrrel Anton Mayadunne, Raju Adhikari, Heng Chy Taing, Tam Phuong Thi Le, Jerome Anthony Werkmeister, John Alan Maurice Ramshaw, Jacinta Frances White, Tracy Ann Tebb
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Publication number: 20130122262Abstract: A carbon fiber bundle includes carbon fibers and a copolymerized polyolefin attached to the surface of the carbon fibers. The copolymerized polyolefin contains an aromatic vinyl compound and an acid and/or acid anhydride as copolymerization components. The amount of the copolymerized polyolefin attached is 0.01 to 10 parts by mass per 100 parts by mass of the carbon fiber bundle. The carbon fiber bundle may be used or contained in a random mat, a composite material, and various molded articles.Type: ApplicationFiled: January 9, 2013Publication date: May 16, 2013Applicant: TEIJIN LIMITEDInventor: TEIJIN LIMITED
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Patent number: 8415428Abstract: The present invention provides a thermoplastic elastomer composition obtained by dynamically crosslinking, under a melting condition, 100 parts by mass of a block copolymer (I), 1 to 1,000 parts by mass of a polar resin (II), 1 to 500 parts by mass of a modified polymer (III), and 0.01 to 50 parts by mass of a crosslinking agent (IV), wherein the block copolymer (I) comprises at least one polymer block (A) comprising as a main component an alkylene unit, and/or at least one copolymer block (B) comprising as main components an alkylene unit (b-1) and a vinyl aromatic monomer unit (b-2), and comprises at least one unsaturated block (C) comprising as a main component a conjugated diene monomer unit having 5 or more carbon atoms at an end.Type: GrantFiled: February 4, 2009Date of Patent: April 9, 2013Assignee: Asahi Kasei Chemicals CorporationInventors: Daisuke Shimizu, Yasuhiro Kusanose, Yoshifumi Araki, Masahiro Fujiwara
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Patent number: 8404354Abstract: The invention discloses water-based paint compositions which comprise a copolymer of polymerizable unsaturated monomer having polyoxyalkylene chain; hydroxyl-containing polymerizable unsaturated monomer having no polyoxyalkylene chain; polymerizable unsaturated monomer having at least one cationic functional group selected from the group consisting of tertiary amino groups and quaternary ammonium salt groups; at least one monomer selected from the group consisting of bridged alicyclic hydrocarbon group-containing polymerizable unsaturated monomers and C6-18 alkyl group-containing polymerizable unsaturated monomers; and other polymerizable unsaturated monomer: a hydroxyl-containing resin: and a melamine resin having a weight-average molecular weight within the range of 1,000-5,000. The invention also discloses film-forming methods using the compositions.Type: GrantFiled: July 23, 2007Date of Patent: March 26, 2013Assignee: Kansai Paint Co., Ltd.Inventors: Yoshiyuki Yukawa, Takashi Tanaka
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Patent number: 8399101Abstract: Disclosed is a toughened poly(hydroxyalkanoic acid) resin composition comprising poly(hydroxyalkanoic acid) and an impact modifier comprising a core/shell polymer that does not comprise a vinyl aromatic comonomer, having a refractive index not greater than 1.5; wherein the core comprises elastomer and the shell comprises non-elastomeric polymer. Also disclosed are packaging materials and packaged products comprising the composition.Type: GrantFiled: September 19, 2006Date of Patent: March 19, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Benjamin Andrew Smillie, Julius Uradnisheck
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Patent number: 8383726Abstract: Disclosed is a thermoplastic resin composition having excellent impact resistance at a low temperature, while maintaining high transparency; this thermoplastic resin composition is obtained by compounding an impact resistance improver into a thermoplastic resin, the impact resistance improver being composed of a graft copolymer which is obtained by polymerizing a vinyl monomer component in the presence of a polymer mixture containing a polymer having butadiene units as an essential component and a polymer having styrene units as an essential component, the polymer mixture containing 45 to 65% by mass of the butadiene units and 35 to 55% by mass of the styrene units.Type: GrantFiled: August 29, 2007Date of Patent: February 26, 2013Assignees: Mitsubishi Rayon Co., Ltd., Cheil Industries Inc.Inventors: Osamu Okunaka, Hiroyuki Nishii, Takashi Shouji, Keiji Nakamura, Tae Uk Kim, Byung Choon Lee
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Patent number: 8378023Abstract: The present invention provides a polyketone composition having about 40˜90 wt % of polyketone, about 5˜40 wt % of polyamide, and about 5˜20 wt % of modified rubber. The composition of the present invention greatly improves the impact resistance of polyketone, which has increased heat resistance, chemical resistance, fuel permeation resistance, abrasion resistance or the like, and thus may be widely applied in various industrial fields, such as automotive parts including wheel covers, wheel caps, fuel filler necks, fuel tanks, fuel tubes, center fascias, door handles, roof rack covers, gear, junction boxes, connectors, seat backs or the like, electric/electronic parts, and household items, thereby providing durability of the parts and price competition.Type: GrantFiled: June 30, 2011Date of Patent: February 19, 2013Assignees: Hyundai Motor Company, Desco Co., Ltd., Hyosung CorporationInventors: Choon Soo Lee, Min Hee Lee, Bong Hyun Park, Seong Hoon Lee, Jong Hwal Kim, Sung Kyoun Yoon, Byoung Gook Kang
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Publication number: 20130041084Abstract: Disclosed is a curable silicone composition for preparing release layers and pressure sensitive adhesives, and to substrates bearing a layer of the cured composition. More specifically, this invention relates to a silicone composition, curable in the absence of both catalysts and actinic radiation comprising a cyclic anhydride copolymer and an amine-terminated polysiloxane.Type: ApplicationFiled: August 8, 2011Publication date: February 14, 2013Inventors: Joon Chatterjee, Timothy D. Filiatrault, Hae-Seung Lee, David S. Hays, Naimul Karim, Babu N. Gaddam
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Patent number: 8367773Abstract: A process is described for obtaining a chemical blend of a polyolefin with a poly(hydroxy carboxylic acid) by mixing poly(hydroxy carboxylic acid) with at least one polyolefin in the presence of a compatibilising compound having at least one polymerisable double bond and at least one electrophilic functional group. The invention also relates to the chemical blend obtainable according to this process, as well as the use of the compatibilising compound to obtain chemical blends of polyolefin with poly(hydroxy carboxylic acid).Type: GrantFiled: October 2, 2009Date of Patent: February 5, 2013Assignee: Total Petrochemicals Research FeluyInventor: Thierry Coupin
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Patent number: 8362145Abstract: A composition comprising a blend of a polyolefin, polylactic acid, and a reactive modifier. A method of producing an oriented film comprising reactive extrusion compounding a mixture comprising polypropylene, polylactic acid, a reactive modifier to form a compatibilized polymeric blend, casting the compatibilized polymeric blend into a film, and orienting the film. A method of preparing a reactive modifier comprising contacting a polyolefin, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of an epoxy-functionalized polyolefin wherein the epoxy-functionalized polyolefin has a grafting yield of from 0.2 wt. % to 15 wt. %.Type: GrantFiled: December 8, 2011Date of Patent: January 29, 2013Assignee: Fina Technology, Inc.Inventors: Fengkui Li, Tim J. Coffy, Michel Daumerie
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Publication number: 20130005893Abstract: The present invention relates to a polyolefin composition for an interior sheet/film. The polyolefin composition of the present invention for an interior sheet comprises 70 to 99 wt % of polyolefin and 1 to 30 wt % of modified polyethylene terephthalate having a melting point of 130 to 180° C. The polyolefin composition of the present invention is environmentally friendly and has good physical properties such as workability, printing characteristics, and adhesiveness. In addition, sheets having various thicknesses can be produced by extrusion without having to stretch the sheets, and thus the sheets can be used separately or in combination in various application fields.Type: ApplicationFiled: February 12, 2010Publication date: January 3, 2013Applicant: SK Global Chemical Co., Ltd.Inventors: Sang Min Kwon, Seok Kim, Tae Keun Lee, Woon Ki Chung
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Publication number: 20120328866Abstract: The present invention provides a resin composition which comprises: (A) a saponifed ethylene-vinyl ester copolymer; (B) a rubber-like graft polymer; and (C) a polyalkylene ether unit-containing polymer. The inventive resin composition, which employs the saponfied ethylene-vinyl ester copolymer, is excellent in impact resistance.Type: ApplicationFiled: March 10, 2011Publication date: December 27, 2012Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.Inventors: Noriyoshi Inoue, Hideshi Onishi
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Patent number: 8338533Abstract: The present invention relates to non-aging, impact-modified polycarbonate compositions and molding compositions comprising: A) from 60 to 86 parts by weight (based on the sum of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) from 4 to 12 parts by weight (based on the sum of components A+B+C) of graft polymer comprising: B.1 from 10 to 50 wt. % (based on the graft polymer B) of a shell of at least one vinyl monomer, and B.2 from 90 to 50 wt. % (based on the graft polymer B) of a graft base of silicone-acrylate composite rubber, C) from 10 to 30 parts by weight (based on the sum of components A+B+C) of a polymer or copolymer based on vinyl monomer, and D) from 0 to 20 parts by weight of polymer additives. Components B and C are present in a ratio of the parts by weight of B:C in the range from 1:1.3 to 1:3.5.Type: GrantFiled: June 15, 2009Date of Patent: December 25, 2012Assignee: Bayer MaterialScience AGInventors: Achim Feldermann, Andreas Seidel, Eckhard Wenz
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Patent number: 8318851Abstract: Disclosed are compositions comprising: (i) 5-45 wt. % of an acrylonitrile-styrene-acrylate (ASA) graft copolymer or acrylate-modified ASA, (ii) 2-82 wt. % of at least one polyestercarbonate which is a block polyestercarbonate comprising organic carbonate blocks alternating with arylate blocks, said arylate blocks comprising ester structural units derived from at least one 1,3-dihydroxybenzene moiety and at least one aromatic dicarboxylic acid, and having a degree of polymerization of at least about 4; and (iii) 5-60 wt. % of at least one rigid thermoplastic polymer comprising structural units derived from styrene and acrylonitrile; alpha-methylstyrene and acrylonitrile; alpha-methylstyrene, styrene, and acrylonitrile; styrene, acrylonitrile, and methyl methacrylate; alpha-methyl styrene, acrylonitrile, and methyl methacrylate; or alpha-methylstyrene, styrene, acrylonitrile, and methyl methacrylate, or mixtures thereof, wherein wt.Type: GrantFiled: October 16, 2007Date of Patent: November 27, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Franciscus Maria Huijs, Robert Dirk van de Grampel, Ronald Akkermans