Solid Polymer Derived From Ethylene Or Propylene Patents (Class 525/240)
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Patent number: 8557920Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1 B at 1 mm/min. and 230 C, of at least 1200 MPa.Type: GrantFiled: May 11, 2006Date of Patent: October 15, 2013Assignee: Borealis Technology OyInventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
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Publication number: 20130267660Abstract: Heterophasic propylene copolymer comprising a) a propylene homo- or copolymer matrix with an MFR 2 of ?150 g/10 min according to ISO 1133 (230° C., 2.16 kg load) and b) a trimodal elastomeric propylene copolymer dispersed in said matrix, wherein (i) thexylene cold soluble fraction of the heterophasic propylene copolymer at room temperature is present in an amount of 20 to 80 wt % of the of the heterophasic propylene copolymer, (ii) the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity measured according to ISO 1628-1 (at 135° C. in tetraline) of at least 2.5 dl/g (iii) said of the heterophasic propylene copolymer has a flexural modulus lower than 800 MPa according to ISO 178, a melting temperature measured by DSC from 155 to 170° C. and a total ethylene content from 10 to 35 wt %; and a process for its production.Type: ApplicationFiled: November 8, 2011Publication date: October 10, 2013Applicant: Borealis AGInventors: Pauli Leskinen, Christelle Grein
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Patent number: 8552116Abstract: A polypropylene resin and a polypropylene resin composition are provided, which have excellent fluidity and foaming properties, and particularly in use for foam injection molding, allow molding with a narrow initial cavity clearance even if a large mold is used, and therefore can provide a thin, large-area foam-injection-molded article having good appearance. The invention relates to a polypropylene resin obtained by melt mixing a linear polypropylene resin, a radical polymerization initiator and a conjugated diene compound, wherein the polypropylene resin has a melt flow rate of more than 30 g/10 min and not more than 250 g/10 min as measured at 230° C. under a load of 2.16 kg; a melt tension at 200° C. of not less than 0.3 cN; and a loss tangent (tan ?) of not more than 6.0, the loss tangent being a ratio of loss modulus to storage modulus at an angular frequency of 1 rad/s in dynamic viscoelasticity measurement at 200° C.Type: GrantFiled: October 12, 2010Date of Patent: October 8, 2013Assignee: Kaneka CorporationInventors: Tetsuo Okura, Terumasa Abe, Ryoji Nakayama
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Patent number: 8552117Abstract: Polyolefin based sealing element compositions with good oxygen barrier properties particularly suitable for forming sealing elements, for example gaskets and cap liners that are especially useful for sealing containers having products such as liquids or food-stuffs therein. The compositions when formed as sealing elements do not appreciably contribute taste and/or odor to a packaged product including the sealing element. The compositions have desirable rheological properties and are thus readily processable at various temperatures.Type: GrantFiled: June 13, 2012Date of Patent: October 8, 2013Assignee: Teknor Apex CompanyInventors: Biing-Lin Lee, Kevin G. Cai, Edward T. Kopesky
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Publication number: 20130261265Abstract: The invention provides an ethylene-based polymer comprising the following properties: A) a MWDconv from 7 to 10; and B) a “normalized LSF” greater than, or equal to, 9.5.Type: ApplicationFiled: December 2, 2011Publication date: October 3, 2013Applicant: Dow Global Technologirs LLCInventors: Teresa P. Karjala, Lori L. Kardos, Wallace W. Yau, Jose Ortega
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Publication number: 20130260122Abstract: A polyolefin-based heat sealable and peelable lidding film. The peelable seal films comprise from 5 to 95 percent by weight of a polyolefin based plastomer or elastomer and from 5 to 95 percent by weight of a second plastomer or elastomer. The invention also relates to methods of making and using the heat sealable, peelable seal films, having improved low seal initiation temperature.Type: ApplicationFiled: February 25, 2013Publication date: October 3, 2013Applicant: TORAY PLASTICS (AMERICA), INC.Inventors: Roberto SIU, Scott NARKEVICIUS, Jon Ian MONTCRIEFF
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Publication number: 20130261263Abstract: The present invention relates to a polypropylene composition containing: 100 parts by weight of a blending mixture containing 35 to 45% by weight of a polypropylene copolymer having an ethylene content of 4 to 20% by weight, 7 to 12% by weight of high-density polyethylene, 40 to 50% by weight of an ethylene-?-olefin copolymer rubber, and 5 to 10% by weight of a compatibilizer, and 0.05 to 0.1 parts by weight of a flow adjuster.Type: ApplicationFiled: March 11, 2013Publication date: October 3, 2013Applicant: TOYODA GOSEI CO., LTD.Inventors: Toshihiko ASAI, Hajime MIWA
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Publication number: 20130261264Abstract: Provided are blends of branched hydrocarbon comb polymers having tailored branching and molecular weight parameters, with substantially linear polymers. Such blends have been found to have improved extensional rheological properties, while maintaining nearly the viscosity of the substantially linear polymers. The blends of the hydrocarbon comb polymers with the substantially linear polymers thus maintain the extrusion processing characteristics of the linear polymer alone, but have improved extensional flow processability, with strain hardening ratios (SHR) greater than 1. The blends are effective in blown film processing. Also disclosed are related methods for improving extensional flow processability using the branched hydrocarbon comb polymers, as well as the branched hydrocarbon comb polymers themselves, including as a property enhancing additive for such substantially linear polymers.Type: ApplicationFiled: April 2, 2013Publication date: October 3, 2013Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Johannes Mattieu Soulages, David John Lohse, Andy Haishung Tsou, Thomas Sun, Pamela Jean Wright, Nikos Hadjichristidis, Pradeep Pandurang Shirodkar
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Patent number: 8545971Abstract: A multi-component article comprising a first component comprising a biodegradable polymer, and a second component comprising a polyolefin and a reactive modifier. A method of preparing a multi-layer film comprising coextruding first and second film layers, wherein the first layer comprises a polylactic acid and the second layer comprises a polyolefin and an epoxy-functionalized polyolefin. A method of preparing a multi-component fiber comprising coextruding a core component and a sheath component, wherein the core component comprises a polyolefin and an epoxy-functionalized polyolefin and the sheath component comprises a polylactic acid.Type: GrantFiled: June 30, 2008Date of Patent: October 1, 2013Assignee: Fina Technology, Inc.Inventors: Fengkui Li, Tim J. Coffy, Michel Daumerie
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Patent number: 8546491Abstract: The present invention provides a polyolefin-based composite resin spherical particle that gives a coating film having a matte appearance, a soft feeling, and excellent scratch resistance by being used for a coating material. The present invention also provides a coating composition containing the polyolefin-based composite resin spherical particle and a coating resin, and a coated article obtained by applying the coating composition to a substrate. The invention relates to a polyolefin-based composite resin spherical particle, which is a spherical particle obtained by mixing 100 parts by mass of a polyolefin-based resin, 40 to 1,500 parts by mass of water, and 3 to 30 parts by mass of an ethylene oxide/propylene oxide copolymer having a weight average molecular weight of 4,000 to 30,000 to prepare a mixture, emulsifying the mixture at a temperature of the highest melting point of the polyolefin-based resin or higher, and cooling the mixture from a temperature at least 25° C.Type: GrantFiled: September 2, 2010Date of Patent: October 1, 2013Assignee: Sumitomo Seika Chemicals Co., Ltd.Inventors: Yuhei Funabiki, Toshiaki Fujiwara, Hirofumi Fujita
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Patent number: 8546477Abstract: The process for producing the coating composition according to the instant invention comprises the steps of: (1) providing an ethylene based copolymer composition; (2) providing a propylene polymer composition; (3) providing a chlorinated olefin polymer composition; (4) optionally providing a filler; (5) optionally providing an adhesion promoting agent; and (6) melt blending said ethylene based copolymer composition, said propylene polymer composition, said chlorinated olefin polymer composition, said optional filler and said optional adhesion promoting agent. The articles according to the instant invention comprise optionally a substrate; and a coating. The method for making the inventive articles comprises the steps of (1) providing a substrate; (2) providing a coating composition; and (3) coating said coating composition into onto at least one surface of said substrate.Type: GrantFiled: February 21, 2013Date of Patent: October 1, 2013Assignee: Dow Global Technologies LLCInventor: Daniel G. Moldovan
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Patent number: 8545980Abstract: A polypropylene resin having: (1) a melt flow rate (MFR) of 6 to 100 g/10 minutes, (2) a molecular weight distribution (Mw/Mn), measured by gel permeation chromatography, of 3 to 6, and (3) a 116° C. non-eluted component content (100-W116(%)) of 50% or more and a content of components eluted at 90° C. or less (W90) of 10 to 30%, measured by temperature-rising fractional chromatography (TREF).Type: GrantFiled: October 31, 2005Date of Patent: October 1, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Takeharu Tajima, Toshitaka Kanai, Tomoaki Takebe, Yutaka Minami
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Publication number: 20130253126Abstract: The invention provides a process to form an ethylene-based polymer composition, the process comprising at least the following: Step 1: polymerizing a first ethylene-based polymer in the presence of at least one molecular catalyst and a hydrocarbon chain transfer agent, and at a polymerization pressure of at least 14,000 psi; Step 2: polymerizing a second ethylene-based polymer.Type: ApplicationFiled: November 21, 2011Publication date: September 26, 2013Applicant: Dow Global Technologies LLCInventors: Sean W. Ewart, Sarat Munjal, Alfred E. Vigil, Teresa P. Karjala, Mehmet Demirors
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Publication number: 20130253125Abstract: Polypropylene composition having a melt flow rate MFR2 (230° C.) of equal or above 15 g/10 min comprising: (a) a crystalline polypropylene matrix; (b) an elastomeric propylene copolymer phase having a propylene content in the range of 40 to 80 wt.-%, and an intrinsic viscosity in the range of more than 0.7 to less or equal 2.5 dl/g; (c) a first polyethylene having a density in the range 905 to 925 kg/m3 and melt flow rate MFR2 (190° C.) of below 30 g/10 min; (d) a second polyethylene having a density of above 915 kg/m3, and a melt flow rate MFR2 (190° C.) of equal or above 30 g/10 min.Type: ApplicationFiled: September 12, 2011Publication date: September 26, 2013Applicant: BOREALIS AGInventors: Cornelia Kock, Christelle Grein, Floran Prades
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Publication number: 20130253124Abstract: Heterophasic polypropylene copolymers having an MFR (2.16 kg, 230° C.) of 15 to 200 g/10 min, determined according to ISO 1133 comprising a propylene homo- or copolymer matrix with an MFR (2.16 kg, 230° C.) of 80 to 500 g/10 min, determined according to ISO 1133 (A) and an ethylene or C4-C10-alpha-olefin propylene rubber phase (B) dispersed within the matrix, wherein the heterophasic polypropylene resin has a fraction soluble in p-xylene at 25° C. (XCS), having an intrinsic viscosity of 2.85 to 4.00 dl/g, determined according to DIN EN ISO 1628-1 and -3 and being composed of propylene monomer units in an amount of 70 wt % to 90 wt %, with optimum balance of impact resistance and low amount of hexane extractables; a process for their preparation and their use.Type: ApplicationFiled: June 15, 2011Publication date: September 26, 2013Applicant: BOREALIS AGInventors: Klaus Bernreiter, Petar Doshev, Gregory Potter, Martina Sandholzer
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Patent number: 8541511Abstract: The invention relates to an amphiphilic block copolymer having an increased speed of water adsorption. The non-water soluble copolymer, having a hydrophilic middle block and hydrophobic endblocks, has a high rate water transmission and/or permeation. The increase in rate is due to neutralization, or partial neutralization of the hydrophilic block of the copolymer. Furthermore, the absorption rate can be controlled by the extent of the neutralization. Another aspect of the invention is the use of co-monomers and/or additives to further increase or tailor the water absorption properties. The use of additives and comonomers is also shown to enhance the processability of the disclosed polymer composition.Type: GrantFiled: June 15, 2009Date of Patent: September 24, 2013Assignee: Arkema Inc.Inventors: Scott C. Schmidt, Noah E. Macy, Jean-Pierre Disson
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Publication number: 20130243990Abstract: A novel polyethylene formed by Ziegler catalyst is devised, for use in blow moulding.Type: ApplicationFiled: November 21, 2011Publication date: September 19, 2013Applicant: Basell Polyolefine GmbHInventors: Joachim Berthold, Bernd Lothar Marczinke, Diana Doetsch, Rainer Sattel, Iakovos Vittorias, Peter Bisson
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Publication number: 20130245201Abstract: The LLDPE-LDPE blown film blend is a blown film made from a mixture of unimodal hexene-LLDPE (also referred to as h-LLDPE) and LDPE having a blend ratio between 2%-10% of LDPE added to 98%-90% of h-LLDPE. This blend results in a TD (transverse direction) tear resistance increase by 100% for a composition of between 2%-10% of LDPE with LLDPE. Impact failure energy increases by 20% for the composition of 5% LDPE with 95% h-LLDPE. There is improvement in strength in the TD direction for the composition starting at 10% of LDPE with h-LLDPE. The toughness in the MD (machine direction) direction increases for the compositions of approximately 10% LDPE with h-LLDPE. Moreover, film production of a composition starting at approximately 10% of LDPE with LLDPE requires less energy.Type: ApplicationFiled: March 16, 2012Publication date: September 19, 2013Applicants: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY, KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: KHALED MEZGHANI, SARFARAZ AHMED FURQUAN
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Patent number: 8536279Abstract: A block copolymer or graft copolymer with weight-average molar mass Mw of at least 100 000 g/mol, comprising a) at least one block S composed of from 95 to 100% by weight of vinylaromatic monomers and from 0 to 5% by weight of dienes, and b) at least one copolymer block (S/B)A composed of from 63 to 80% by weight of vinylaromatic monomers and from 20 to 37% by weight of dienes, with glass transition temperature TgA in the range from 5 to 30° C., where the proportion by weight of the entirety of all of the blocks S is in the range from 50 to 70% by weight, based on the block copolymer or graft copolymer, and also mixtures thereof, and their use.Type: GrantFiled: December 14, 2009Date of Patent: September 17, 2013Assignee: Styrolution GmbHInventors: Konrad Knoll, Jürgen Koch, Piyada Charoensirisomboon, Daniel Wagner, Geert Verlinden, Roland Weidisch
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Publication number: 20130236671Abstract: This invention is related to the preparation of polyethylene pipe resins suitable for transporting hot and cold water containing chlorine dioxide.Type: ApplicationFiled: April 26, 2013Publication date: September 12, 2013Applicant: TOTAL PETROCHEMICALS RESEARCH FELUYInventors: Pierre Belloir, Christine Bertrand
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Publication number: 20130237670Abstract: The instant invention is a high-density polyethylene composition, method of producing the same, articles made therefrom, and method of making such articles. The high-density polyethylene composition of the instant invention includes a first component, and a second component. The first component is a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.915 to 0.940 g/cm3, and a melt index (I21.6) in the range of 0.5 to 10 g/10 minutes. The second component is a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 50 to 1500 g/10 minutes. The high-density polyethylene composition has a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3, and g? of 1.Type: ApplicationFiled: April 22, 2013Publication date: September 12, 2013Applicant: Dow Global Technologies Inc.Inventors: William J. Michie, JR., Thomas W. Kay, Stephanie M. Whited, Dale M. Elley-Bristow, David T. Gillespie, Lonnie G. Hazlitt
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Publication number: 20130237111Abstract: Fabricated articles are disclosed which comprise a polypropylene impact copolymer. The propylene impact copolymer composition comprises from 60 to 90 percent by weight of the impact copolymer composition of a matrix phase, which can be a homopolymer polypropylene or random polypropylene copolymer having from 0.1 to 7 mol percent of units derived from ethylene or C4-C10 alpha olefins. The propylene impact copolymer composition also comprises from 10 to 40 percent by weight of the impact copolymer composition of a dispersed phase, which comprises a propylene/alpha-olefin copolymer having from 6 to 40 mol percent of units derived from ethylene or C4-C10 alpha olefins, wherein the dispersed phase has a comonomer content which is greater than the comonomer content in the matrix phase. The propylene impact copolymer composition is further characterized by having the ratio of the matrix MFR to the dispersed phase MFR being 1.2 or less.Type: ApplicationFiled: July 19, 2011Publication date: September 12, 2013Applicant: BRASKEM AMERICA, INC.Inventors: Alechia Crown, Gert Claasen, Jacquelyn Degroot, Thor Gudmundsson, Charles Crosby, Li-Min Tau, John Kaarto
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Patent number: 8530582Abstract: The present invention relates to modified polyolefins with atactic structural elements, to processes for preparation thereof and to the use thereof, especially as an adhesive or as a constituent of adhesives.Type: GrantFiled: July 6, 2010Date of Patent: September 10, 2013Assignee: Evonik Degussa GmbHInventors: Hinnerk Gordon Becker, Lutz Mindach, Holger Kautz, Miriam Ammer
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Patent number: 8530577Abstract: 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: GrantFiled: February 8, 2011Date of Patent: September 10, 2013Assignee: Fina Technology, Inc.Inventors: Fengkui Li, John Ashbaugh, Gabriel Desille, Caroline Schils
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Patent number: 8530581Abstract: Provided herein is a powder comprising at least one of: (a) a propylene-based elastomer comprising, based on the total weight of said propylene-based elastomer, (i) at least about 60 wt % of propylene-derived units, (ii) about 5 wt % to about 35 wt % of units derived from at least one of ethylene and a C4-C10 alpha-olefin, and said propylene-based elastomer having a heat of fusion, as determined by DSC, of about 75 J/g or less; and (b) a polyolefin-based elastomer having a Shore A hardness, as determined by ISO 868, of less than 95; wherein the powder has an average particle size of from about 30 ?m to about 850 ?m. The powder is useful for rotational molding and for making articles having unique combination of elasticity, flexibility, and toughness.Type: GrantFiled: November 16, 2012Date of Patent: September 10, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Joseph M. Tomei, Daniel J. Collins
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Patent number: 8528580Abstract: This invention is related to the preparation of polyethylene pipe resins suitable for transporting water containing chlorine.Type: GrantFiled: September 2, 2008Date of Patent: September 10, 2013Assignee: Total Research & Technology FeluyInventors: Pierre Belloir, Christine Bertrand
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Patent number: 8530580Abstract: The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 924 to 960 kg/m3, a melt index MFR5 of from 0.5 to 6.0 g/10 min, a melt index MFR2 of from 0.1 to 2.0 g/10 min and a shear thinning index SHI2.7/210 of from 2 to 50. The compositions further have a level of volatile compounds of at most 100 ppm by weight and/or a homogeneity rating of at most 3.Type: GrantFiled: May 25, 2009Date of Patent: September 10, 2013Assignee: Borealis AGInventors: Mats Bäckman, Carl-Gustaf Ek, Anneli Pakkanen, Magnus Palmlöf
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Patent number: 8530578Abstract: A pressure sensitive adhesive composition is described comprising unfunctionalized (e.g. polyisobutylene) synthetic rubber and an acrylic polymer having functionalized polyisobutylene polymer bonded to the acrylic polymer. In some embodiments, the functionalized polyisobutylene polymer has a first functional group hydrogen bonded with a second functional group present in the acrylic polymer backbone. In other embodiments, the functionalized polyisobutylene polymer is covalently bonded to the acrylic polymer backbone. Also described are adhesive articles, such as a tape, methods of adhesively bonding, and methods of making a pressure sensitive adhesive.Type: GrantFiled: November 15, 2010Date of Patent: September 10, 2013Assignee: 3M Innovative Properties CompanyInventors: Vivek Bharti, Shujun Wang, Guy D. Joly, Babu N. Gaddam, Jingjing Ma, Sanat Mohanty, Peiwang Zhu
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Patent number: 8529821Abstract: The present invention relates to filled polymeric compositions, such as filled TPO compositions, having improved aesthetics, and to polymeric masterbatches which may be used to prepare the improved filled TPO compositions. The present invention also relates to processes for preparing the filled TPO compositions which eliminates a compounding step.Type: GrantFiled: January 29, 2010Date of Patent: September 10, 2013Assignee: Dow Global Technologies LLCInventors: Parvinder Walia, Franciscus Krabbenborg
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Publication number: 20130216736Abstract: The invention provides an oriented article, for example, a yarn, tape or filaments made from a three component polymer blend.Type: ApplicationFiled: June 24, 2011Publication date: August 22, 2013Applicant: Dow Global Technologies LLCInventors: Peter Sandkuehler, Jill M. Martin
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Patent number: 8513360Abstract: Modular plastic structural composites having a web section disposed along a horizontal axis and at least one flange section disposed along a horizontal axis parallel thereto and integrally molded to engage the top or bottom surface of the web section, wherein said composite is formed from a mixture of (A) high density polyolefin and (B) a thermoplastic-coated fiber material, poly-styrene, or a combination thereof. Composites molded in the form of I-Beams and bridges constructed therefrom are also disclosed.Type: GrantFiled: July 8, 2011Date of Patent: August 20, 2013Assignee: Rutgers, The State University of New JerseyInventors: Thomas Nosker, James Kerstein, Louis Simon, Maryann Renfree
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Publication number: 20130210955Abstract: Provided is a resin composite material in which a carbon material with a graphene structure is dispersed in a synthetic resin and which has a high mechanical strength and a low linear expansion coefficient and a method for producing the resin composite material. A resin composite material contains a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin, wherein the synthetic resin is grafted onto the carbon material and the grafting ratio thereof onto the carbon material is 5% to 3300% by weight. A method for producing a resin composite material includes the steps of: preparing a resin composite containing a synthetic resin and a carbon material with a graphene structure dispersed in the synthetic resin; and grafting the synthetic resin onto the carbon material concurrently with or after the step of preparing the resin composite.Type: ApplicationFiled: September 2, 2011Publication date: August 15, 2013Inventors: Nobuhiko Inui, Daisuke Mukohata, Mitsuru Naruta, Kensuke Tsumura, Kazuhiro Sawa, Katsunori Takahashi, Koji Taniguchi
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Publication number: 20130211011Abstract: Automotive interior element comprising a polypropylene composition comprising (percent by weight): A) from 60% to 90% of a propylene homopolymer having: i) a polydispersity Index (P.I.) value of from 3.5 to 10.0; ii) a fraction insoluble in xylene at 25° C., higher than 90%; and iii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 50 to 200 g/10 min; B) from 10% to 40%; of a copolymer of propylene with from 30% to 60% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 2.5 and 4.0 dl/g; a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 15 to 100 g/10 min and all the three values of carbon emission measured according to VDA 227 (C-emission) are lower than 30.0 ?gC/g; wherein the values of carbon emission are measured in the ex reactor propylene composition.Type: ApplicationFiled: October 12, 2011Publication date: August 15, 2013Applicant: Basell Poliolefine Italia S.r.l.Inventors: Benedetta Gaddi, Marco Ciarafoni, Mara Destro, Ofelia Fusco, Paola Massari, Ines Mingozzi
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Patent number: 8507608Abstract: A propylene polymer resin composition comprising 50-99 wt. % of a propylene polymer resin and 1-50 wt. % of an ethylene polymer resin, wherein said ethylene polymer resin has the following characteristics (A) through (E): (A) a density (d), as measured by a density gradient tube method according to JIS K6760, of 940-960 kg/m3; (B) a melt flow rate (MFR), as measured at 190° C. under a load of 2.16 kg, of 1-10 g/10 min.; (C) a frequency of terminal vinyl of not more than 0.2 per 1,000 carbon atoms; (D) a melt strength (MS160), as measured at 160° C., of at least 100 mN; and (E) an activation energy of flow (Ea) of not larger than 35 kJ/mol. The propylene polymer resin has high melt strength and exhibits enhanced fluidity, processability and shapability.Type: GrantFiled: April 14, 2010Date of Patent: August 13, 2013Assignee: Tosoh CorporationInventor: Shigehiko Abe
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Publication number: 20130203931Abstract: Propylene copolymer composition (P) comprising (a) a propylene copolymer (A) having a comonomer content of at least 1.0 wt.-%, the comomers are C5 to C12 a-olefins, and (b) a propylene copolymer (B) having a comonomer content of 4.0 to 20.0 wt.-%, the comomers are C5 to C12 a-olefins, wherein further (i) the comonomer content in the propylene copolymer (A) is lower compared to the comonomer content in the propylene copolymer (B), (ii) the propylene copolymer composition (P) has a comonomer content of 2.0 to 10.0 wt.-%, the comomers are C5 to C12 a-olefins, (iii) the weight ratio of the propylene copolymer (A) to the propylene copolymer (B) is the range of 30/70 to 80/20.Type: ApplicationFiled: April 18, 2011Publication date: August 8, 2013Applicant: BOREALIS AGInventors: Juha Paavilainen, Petar Doshev, Kristin Reichelt
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Publication number: 20130203640Abstract: Polymer compositions for use as viscosity modifiers comprising at least two ethylene-based copolymer components are provided. The polymer composition comprises (a) a first ethylene-?-olefin copolymer and (b) a second ethylene-?-olefin copolymer. The first ethylene-?-olefin copolymer (a) has an ethylene content from about 60 to about 80 wt % and the second ethylene-?-olefin copolymer (b) has an ethylene content of less than about 60 wt %. The first ethylene-?-olefin copolymer (a) has a Melt Flow Rate Ratio (MFRR), defined as the ratio of the MFR measured at 230° C./21.6 kg and at 230° C./2.16 kg, of greater than 30 and optionally also has a Melt Flow Rate (MFR) of at least about 1.5 g/10 min, measured by ASTM D 1238 condition L (230° C./2.16 kg). The present disclosure is also directed to lubricant compositions comprising a lubricating basestock and a polymer composition of the present disclosure and is further directed to reducing gelation in the lubricant compositions.Type: ApplicationFiled: February 3, 2012Publication date: August 8, 2013Applicants: Chevron Oronite Company LLC, ExxonMobil Chemical Patents Inc.Inventors: Phillip T. Matsunaga, Kirk A. Nass, Pritesh A. Patel, Rainer Kolb, Sudhin Datta
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Publication number: 20130197153Abstract: The present invention relates to a heterophasic polypropylene resin comprising a crystalline propylene homopolymer matrix (A) and an amorphous propylene copolymer phase (B) dispersed within the matrix having excellent mechanical properties, in particular at low temperatures, and at the same time high flowability. Further, the invention relates to a production process of the heterophasic polypropylene resin, the use of such a resin in a polypropylene composition and to articles made of the heterophasic polypropylene resin.Type: ApplicationFiled: August 10, 2011Publication date: August 1, 2013Applicant: Borealis Technology AGInventors: Saeid Kheirandish, Petar Doshev, Claudia Kniesel
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Publication number: 20130192744Abstract: Label facestock and label assemblies utilizing the facestock are described. The label facestock includes impact copolymer polypropylene (ICP). The label facestock is also axially oriented.Type: ApplicationFiled: January 31, 2013Publication date: August 1, 2013Applicant: AVERY DENNISON CORPORATIONInventor: Avery Dennison Corporation
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Patent number: 8497322Abstract: A homogenous blend comprising from 10% to 90% by weight of a metallocene catalyzed polyethylene (mPE) and from 90% to 10% by weight of styrene-butadiene block copolymers comprising from 5% to 40% by weight of 1,3 butadiene monomer units and from 60% to 95% by weight of styrene monomer unites. The blend of the invention is used to make peelable films for food packaging applications.Type: GrantFiled: June 19, 2012Date of Patent: July 30, 2013Assignee: Total Petrochemicals Research FeluyInventor: Pascal Fourcade
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Patent number: 8497325Abstract: This invention relates to a film comprising a blend composition comprising: 1) a linear ethylene containing polymer, such as a LLDPE, a HDPE or the like; and at least 1 weight percent of an in-reactor polymer blend comprising: (a) a first ethylene containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol; and (b) a second ethylene containing polymer having a density of less than 0.90 g/cm3, wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%.Type: GrantFiled: September 27, 2012Date of Patent: July 30, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Mun F. Tse, Peijun Jiang, Jianya Cheng
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Publication number: 20130189512Abstract: A resin composition for injection molding comprising (I) 70-90 wt. parts of a propylene polymer resin having a MFR of at least 30 g/10 min. but smaller than 200 g/10 min. as measured at 230° C. according to ASTM D-1238, (II) 5-25 wt. parts of an ethylene-?-olefin copolymer having a melt strength (MS160) of larger than 50 mN but not larger than 300 mN as measured at 160° C., and (III) 5-25 wt. parts of an olefin polymer resin having a density of at least 850 kg/m3 but not larger than 930 kg/m3 as measured according to JIS K6760, and a melt strength (MS160) of smaller than 30 mN as measured at 160° C., wherein the sum of (I), (II) and (III) is 100 wt. parts. This resin composition gives an injection molded article exhibiting enhanced impact strength at a low temperature and having no or minimized flow marks on the surface thereof.Type: ApplicationFiled: September 30, 2011Publication date: July 25, 2013Applicant: TOSOH CORPORATIONInventors: Shigehiko Abe, Ken-ichi Suzuki
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Patent number: 8492447Abstract: A closed cell foam material contains a propylene based polymer comprising from about 5% to about 32% by weight ?-olefin units. The propylene based polymer has a heat of fusion, as determined by DSC, of less than 80 J/g. The material also contains 0.5 to 5 phr peroxide, 1.0 to 5.0 phr blowing agent, and 0.1 to 10 phr co-agent. The cells of closed cell foam material have a diameter in the range of 0.1 to 1.5 mm.Type: GrantFiled: April 1, 2008Date of Patent: July 23, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Sunny Jacob, Abdelhadi Sahnoune, Jun Tong, Randal Howard Kerstetter
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Patent number: 8492455Abstract: The present invention relates to a polyolefin composition comprising: a) an olefin homo- or copolymer (A), and b) activated carbon (B) as a taste and/or odor reducing agent, to the use of such a polyolefin composition, and to a pipe material and pipe having reduced taste and/or odor development comprising the above polyolefin composition.Type: GrantFiled: November 22, 2007Date of Patent: July 23, 2013Assignee: Borealis Technology OyInventors: Lars-Erik Ahlstrand, Perry Nylander, Per-Ola Hagstrand
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Patent number: 8492498Abstract: A polymer having a density of from about 0.94 g/cm3 to about 0.96 g/cm3 and a primary structure parameter 2 (PSP2 value) of greater than about 8.5, wherein an article formed from the polymer has an environmental stress crack resistance of equal to or greater than about 1000 hours when measured in accordance with ASTM D 1693 condition A. A polymer having at least one lower molecular weight component and at least one higher molecular weight component and having a PSP2 value of equal to or greater than about 8.5, wherein an article formed from the polymer has an environmental stress crack resistance of greater than about 1000 hours when measured in accordance with ASTM D 1693 condition A.Type: GrantFiled: February 21, 2011Date of Patent: July 23, 2013Assignee: Chevron Phillips Chemical Company LPInventors: Richard M. Buck, Albert P. Masino, Qing Yang, Paul J. DesLauriers, Steven J. Secora, Elizabeth M. Lanier, Guylaine St. Jean, Jon D. Ratzlaff, Christopher E. Wittner
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Patent number: 8487033Abstract: Provided are thermoplastic elastomer compositions composed of a thermoplastic component, an elastomeric component, and at least one particulate composition. Particulate compositions are composed of a particulate material and a carrier medium. Exemplary particulate materials include minerals, mineral compounds, including mineral oxides, clays, carbon, nanotubes, and combinations thereof. Typical carrier mediums are one or more polar polymers, apolar polymers, one or more oils, poly ?-olefins, or combinations thereof. The at least one particulate composition is dispersed within the thermoplastic component and/or the elastomeric component. Particulate compositions include clay grease compositions wherein a clay, e.g., an exfoliated clay, is utilized as a thickener.Type: GrantFiled: May 16, 2007Date of Patent: July 16, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventor: Danny Van Hoyweghen
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Patent number: 8487045Abstract: Articles, particularly pressure pipes, having high strength as well as high stiffness and very good impact resistance even at low temperatures can be obtained by using a heterophasic polyolefin composition comprising (percent by weight) 70-90% of a random copolymer of propylene with 0.5-6% of 1-hexene, and 10-30% of a polymer of ethylene with a C3-C10 ?-olefin and optionally a diene, wherein the polymer of ethylene has an ethylene content higher than 45% and an intrinsic viscosity [?] value from 3 to 5 dl/g. A particular advantage of the present invention is that articles comprising the above heterophasic polyolefin composition show a low ductile to brittle transition temperature (DBTT).Type: GrantFiled: December 24, 2009Date of Patent: July 16, 2013Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Monica Galvan, Enrico Beccarini
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Patent number: 8486505Abstract: A release liner formed of a polypropylene resin sheet that can be highly recyclable and that can provide an excellent performance in a wide range of operating temperature is provided. A release-lined pressure-sensitive adhesive (PSA) sheet constituted with the release liner is also provided. A release-lined PSA sheet 1 according to the present invention comprises a PSA sheet 20 having a support 22 and a PSA layer 24; and a release liner 10 placed on the PSA layer 24. The release liner 10 has a layered configuration formed of a layer A 12 formed of a polypropylene resin composition containing a nucleating agent; and a layer B 14 formed of a polypropylene resin composition containing no nucleating agent; wherein the two layers stacked to form the thickness of the liner.Type: GrantFiled: March 6, 2008Date of Patent: July 16, 2013Assignee: Nitto Denko CorporationInventors: Hiroichi Ukei, Yoshio Nakagawa, Osamu Degawa
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Publication number: 20130178586Abstract: Heterophasic propylene copolymer comprising a matrix (M) being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate MFR2 (230° C.) and at least one of the three polypropylene fractions has a melt flow rate MFR2 (230° C.) in the range of 1.0 to 15.0 g/10 min, and an elastomeric propylene copolymer dispersed in said matrix, wherein the heterophasic propylene copolymer has a melt flow rate MFR2 (230° C.) of equal or more than 20.0 g/10 min, and the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of equal or higher than 2.0 dl/g.Type: ApplicationFiled: August 1, 2011Publication date: July 11, 2013Applicant: Borealis AGInventors: Cornelia Kock, Petar Doshev, Elisabeth Potter, Guenter Gsellmann, Pauli Leskinen
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Publication number: 20130177721Abstract: The invention discloses a propylene resin sheet and a heat-treatable packaging material which have an excellent transparency, flexibility and very-low-temperature impact resistance, and which reduce the thickness variation during lamination, suppress appearance defects such as interfacial roughness. A propylene resin sheet composed of at least one layer, the main layer being made up of a resin composition containing: (1) 50 to 90 wt % of a propylene resin composition (A) which includes from 30 to 70 wt % of a propylene-?-olefin random copolymer component (A1) having a melting peak temperature of 120 to 150° C., and from 70 to 30 wt % of a propylene-?-olefin random copolymer component (A2) having a C2 or C4-8 ?-olefin content of at least 10 wt % but less than 20 wt %; and (2) 10 to 50 wt % of a specific ethylene-?-olefin copolymer (B).Type: ApplicationFiled: September 15, 2011Publication date: July 11, 2013Applicant: Japan Polypropylene CorporationInventors: Yuji Kadowaki, Gen Kinai
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Publication number: 20130178573Abstract: Propylene copolymer composition (P) comprising (a) at least 2.5 wt.-% of units derivable from C5 to C12 ?-olefins, (b) at least 20.0 wt-%. of a crystalline fraction having a lamella thickness of more than 5.70 nm, and (c) at least 10.0 wt-%. of a crystalline fraction having a lamella thickness of below than 3.0 nm, said crystalline fractions are determined by the stepwise isothermal segregation technique (SIST).Type: ApplicationFiled: April 18, 2011Publication date: July 11, 2013Applicant: BOREALIS AGInventors: Juha Paavilainen, Petar Doshev, Kristin Reichelt, Pauli Leskinen, Hannu Miettinen