Solid Polymer Derived From Ethylene Or Propylene Patents (Class 525/240)
  • Patent number: 8614277
    Abstract: Isotactic polypropylene ethylene-propylene copolymer blends and in-line processes for producing. The blends may have between 1 and 50 wt % of isotactic polypropylene with a melt flow rate of between 0.5 and 20,000 g/10 min and a melting peak temperature of 145° C. or higher, and wherein the difference between the DSC peak melting and the peak crystallization temperatures is less than or equal to 0.5333 times the melting peak temperature minus 41.333° C., and between 50 and 99 wt % of ethylene-propylene copolymer including between 10 wt % and 20 wt % randomly distributed ethylene with a melt flow rate of between 0.5 and 20,000 g/10 min, wherein the copolymer is polymerized by a bulk homogeneous polymerization process, and wherein the total regio defects in the continuous propylene segments of the copolymer is between 40 and 150% greater than a copolymer of equivalent melt flow rate and wt % ethylene polymerized by a solution polymerization process.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: December 24, 2013
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Gabor Kiss, Patrick Brant, Robert Patrick Reynolds, Jr., Aspy K. Mehta, Manika Varma-Nair, John W. Chu, Steven P. Rucker
  • Publication number: 20130338314
    Abstract: A process for preparing a multimodal polyethylene product with at least two different polyethylene resins can include producing a first polyethylene resin in the presence of a Ziegler-Natta catalyst in a reactor. The Ziegler-Natta catalyst used for the production of the first polyethylene resin has an average particle size (D50) of at most 15 ?m. The HLMI of the first polyethylene resin is between 0.01 and 5 g/10 min. The process can include separately producing a second polyethylene resin in the presence of a Ziegler-Natta catalyst in a reactor. The MI2 of the second polyethylene resin is between 1 and 150 g/10 min. The process can include physically blending together the first and second polyethylene resins to produce a multimodal polyethylene product. The physical blending can be performed in a device for continuously melting and blending the first and second polyethylene resins.
    Type: Application
    Filed: March 2, 2012
    Publication date: December 19, 2013
    Applicant: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Daan Dewachter, Eric Damme
  • Patent number: 8609777
    Abstract: Provided herein is a blend composition useful as a cross-linkable encapsulant layer and consisting essentially of two ethylene copolymers and optionally one or more additives. The first ethylene copolymer comprises copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a second olefin having the formula CH2?C(R3)COOH. The second ethylene copolymer consists essentially of copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a third olefin having the formula CH2?C(R4)D. R1, R3 and R4 represent hydrogen or an alkyl group; R2 represents an alkyl group; and D represents a moiety containing an epoxy group. Further provided are solar cell modules comprising the encapsulant layer. The encapsulant layer comprises the blend composition or the product of cross-linking the blend composition, in which some acid groups of the second olefin have reacted with some epoxy groups of the third olefin.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: December 17, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: George Wyatt Prejean, Rebecca L Smith
  • Patent number: 8609980
    Abstract: Provided herein is a blend composition useful as a cross-linkable encapsulant layer and consisting essentially of two ethylene copolymers and optionally one or more additives. The first ethylene copolymer comprises copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a second olefin having the formula CH2?C(R3)COOH. At least a portion of the carboxylic acid groups have been neutralized to form carboxylate salts. The second ethylene copolymer consists essentially of copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a third olefin having the formula CH2?C(R4)D. R1, R3 and R4 represent hydrogen or an alkyl group; R2 represents an alkyl group; and D represents a moiety containing an epoxy group. Further provided are solar cell modules comprising the encapsulant layer.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: December 17, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: George Wyatt Prejean, Alison Margaret Anne Bennett
  • Patent number: 8609773
    Abstract: In one aspect of the present invention, there is provided a polymeric film comprising one or more polyolefins and one or more acrylic polymers, wherein the weight ratio of said acrylic polymers to said polyolefins is from 0.02:1 to 5:1, wherein each said polyolefin comprises polymerized units of one or more functional monomers, wherein the amount of said polyolefins in said polymeric film is more than 30% by weight, based on the weight of said polymeric film, and wherein said acrylic polymers comprise polymerized units of one or more hydrogen-bondable monomers.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: December 17, 2013
    Assignee: Rohm and Haas Company
    Inventors: Hailan Guo, Jian-Yang Cho
  • Patent number: 8609772
    Abstract: A film comprising one or more propylene-based polymers, one or more hydrocarbon resins, and one or more polyolefin additives provides enhanced mechanical and elastic properties compared to the neat propylene-based polymer. The propylene-based polymer may have (i) 60 wt % or more units derived from propylene; and (ii) crystallinity of from 0.25% to 40%, resulting from isotactically arranged propylene-derived sequences. The hydrocarbon resin may have a glass transition temperature greater than 20° C. The polyolefin additive may have a crystallinity greater than the crystallinity of the propylene-based polymer. Methods for making and using the films are also described.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: December 17, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Michael Glenn Williams
  • Publication number: 20130331496
    Abstract: Disclosed is a high-density polyethylene (HDPE) composition that comprises at least a first high density polyethylene component having a density of 0.940-0.968 g/cm3 and a melt index I2.16 of 0.5-10.0 dg/min and a melt flow ratio (flow index I21.6 at 190° C. divided by melt index I2.16 at 190° C.) of at least 25. A second HDPE component may be included in the composition with melt index I2.16 of greater than 10 dg/min and melt flow ratio of 30 or less. The disclosed compositions are suitable for use in living hinge closure applications.
    Type: Application
    Filed: June 10, 2013
    Publication date: December 12, 2013
    Inventors: Brett Christopher Domoy, Barrett Albert Unger, Mark T. Joblonka
  • Patent number: 8604117
    Abstract: A resin composition is provided which is improved in fluidability, stiffness and impact resistance and therefore can achieve the reduction in wall thickness of a resin product for automotive interior/exterior applications comprising a polypropylene resin; and a resin product produced from the resin composition. The resin composition comprises 30 to 65 mass % of an ethylene-propylene block copolymer having a melt flow rate of 60 to 120 g/10 minutes and a Charpy impact strength of 3 kJ/m2 or more; 0 to 25 mass % of a homopolypropylene resin having a melt flow rate of 10 g/10 minutes or more and a modulus of elasticity of 2000 MPa or more; 5 to 20 mass % of an ethylene-?-olefin copolymer rubber having a Mooney viscosity of 20 to 75 or a styrene-ethylene butylenes-styrene copolymer having a styrene component content of 15 to 30 mass %; and 23 to 37 mass % of talc having an average particle diameter of 8 ?m or less.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: December 10, 2013
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Masao Kobayashi, Koichi Ogiso, Katsushi Ito, Kiyoshi Suenaga
  • Patent number: 8604131
    Abstract: The present disclosure provides a molded article composed of a polymeric composition and processes for producing the same. The polymeric composition includes from about 60 wt % to about 99 wt % of a matrix of a propylene-based polymer. The propylene-based polymer has a refractive index (n1). The polymeric composition also includes from about 40 wt % to about 1 wt % of elongated elastomer particles dispersed in the propylene-based polymer. The elongated elastomer particles have a refractive index (n2). The propylene-based polymer and the elongated elastomer particles exhibit a refractive index mismatch whereby |n1?n2|>0.002. The molded article has a haze value less than about 20% and optionally a viscosity ratio (VR) greater than 0.28.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: December 10, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Peter S. Dias, Debra R. Wilson, Didem Oner-Deliormanli, Alena S. Morgan, Terry W. Glass
  • Patent number: 8604125
    Abstract: The present invention provides a polypropylene-based resin composition, which comprises of a) a polypropylene; b) an ethylene 1-octene copolymer in which r1r2<1 (herein, r1=k11/k12, r2=k22/k21, k11 is a growth reaction rate constant when ethylene is added to a growth chain in which an end active site is ethylene, k12 is a growth reaction rate constant when octene is added to a growth chain in which an end active site is ethylene, k22 is a growth reaction rate constant when octene is added to a growth chain in which an end active site is octene, and k21 is a growth reaction rate constant when ethylene is added to a growth chain in which an end active site is octene); and c) an inorganic filling agent, and a part for vehicles manufactured by using the same.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: December 10, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Choong-Hoon Lee, Jong-Chan Lee, Dong-Kyu Park, Yang-Kee Kim, Jong-Joo Ha, Byung-Kwon Lim, Kyung-Seok Min, Don-Ho Kum
  • Publication number: 20130324658
    Abstract: A thermoplastic vulcanizate composition comprising from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a first component comprising a first propylene-based polymer selected from the group consisting of (i) propylene/?-olefin copolymers comprising from 1 to 20 wt % ?-olefin and characterized by a g? ratio of less than 1, measured at interpolymer number average molecular weight (Mn), an MFR (2.16 kg @ 230° C.) greater than or equal to 0.01, a density greater than or equal to 0.850 g/cc, and a molecular weight distribution, Mw/Mn, less than or equal to 3.5, and (ii) combinations thereof; and from 5 wt % to 95 wt %, based on the total weight of the thermoplastic vulcanizate composition, of a second component selected from the group consisting of curable or vulcanizable rubbers, having a density from 0.85 to 0.88 g/cc, I2 from 0.
    Type: Application
    Filed: December 30, 2010
    Publication date: December 5, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Yabin Sun, Morgan M. Hughes, Xiangyang Tai, Arnis U. Paeglis, Gary R. Marchand
  • Patent number: 8598265
    Abstract: Disclosed is a thermoplastic elastomer composition that will provide little load on the environment and has superior mechanical characteristics, the composition being obtained by melt-kneading 10 to 90 parts of ethylene-?-olefin based copolymer rubber (A), 1 to 50 parts of non-petroleum source-derived thermoplastic resin (B), 1 to 50 parts of modified propylene-based copolymer (C), 1 to 50 parts of propylene-based polymer (D), 0.001 to 5 parts of crosslinking agent (E), and 0 to 50 parts of mineral oil-based softening agent (F), wherein the amounts of components (A), (B), (C), (D), and (F) are amounts in weight calculated where the combined amount of components (A), (B), (C), (D) and (F) is considered to be 100 parts by weight, and the amount of component (E) is an amount in weight calculated where the combined amount of components (A), (B), (C), (D), and (F) is considered to be 100 parts by weight.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: December 3, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ryosuke Kurokawa, Nobuhiro Natsuyama
  • Patent number: 8598277
    Abstract: Polyolefin composition with improved sealability comprising from 70 to 95% of one or more copolymers of propylene with one or more comonomers selected from ethylene, a C4-C8 ?-olefin and combinations thereof, where the comonomer, or comonomers, content in (A) is from 5 to 25%, and from 5 to 30% by weight of butene-1 (co)polymer (B) having a flexural modulus of 60 MPa or less.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: December 3, 2013
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Giampaolo Pellegatti, Michele Grazzi, Stefano Spataro
  • Patent number: 8598446
    Abstract: A safety laminate comprises an interlayer that comprises a crosslinkable blend of ethylene copolymers. The first ethylene copolymer comprises copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a second olefin having the formula CH2?C(R3)COOH. The first ethylene copolymer is optionally at least partially neutralized. The second ethylene copolymer consists essentially of copolymerized units of ethylene, optionally a first olefin having the formula CH2?C(R1)CO2R2, and a third olefin having the formula CH2?C(R4)D. R1, R3 and R4 represent hydrogen or an alkyl group; R2 represents an alkyl group; and D represents a moiety containing an epoxy group. The crosslinkable blend is useful as an interlayer in safety laminates. Methods for preparing the safety laminates are also provided.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: December 3, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: George Wyatt Prejean, Sam Louis Samuels, Alison Margaret Anne Bennett
  • Publication number: 20130316213
    Abstract: A polyolefin composition comprising: a) from 66 wt % to 76 wt % of a propylene polymer having the fraction insoluble in xylene at 25° C., higher than 97 wt %, a polydispersity index lower than 4.5, and a melt flow rate (MFR) comprised between 6.0 g/10 min and 10.0 g/10 min, b) from 12 wt % to 20 wt % of a copolymer of ethylene and propylene, the copolymer having ethylene ranging from 40 wt % to 53 wt %, the polymer fraction soluble in xylene at 25° C. having an intrinsic viscosity value ranging from 2 to 4 dl/g; c) from 12% to 20%% of ethylene homopolymer; the sum of the amount of a)+b)+c) being 100; said composition having a value of melt flow rate (MFR) ranging from 3.6 to 8.0 g/10 min.
    Type: Application
    Filed: January 17, 2012
    Publication date: November 28, 2013
    Applicant: Baseell Poliolefine Italia S.r.l.
    Inventors: Marco Ciarafoni, Mara Destro, Paola Massari, Roberto Pantaleoni
  • Patent number: 8592674
    Abstract: Means for Solving the Problems The thermoplastic resin composition (X1) of the present invention comprises (A1), (B1), (C1), and optionally (D1) below: 1 to 90 wt % of an isotactic polypropylene (A1); 9 to 98 wt % of a propylene/ethylene/?-olefin copolymer (B1) containing 45 to 89 mol % of propylene-derived structural units, 10 to 25 mol % of ethylene-derived structural units, and optionally, 0 to 30 mol % of C4-C20 ?-olefin-derived structural units (a1); 1 to 80 wt % of a styrene-based elastomer (C1); and 0 to 70 wt % of an ethylene/?-olefin copolymer (D1) whose density is in the range of 0.850 to 0.910 g/cm3, wherein (A1)+(B1)+(C1)+(D1)=100 wt %.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 26, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hiroshi Hoya, Kiminori Noda, Norihide Inoue, Hiroshi Uehara, Eiji Shiba, Masayoshi Yamaguchi, Manabu Kawamoto, Akira Yamashita
  • Patent number: 8592017
    Abstract: Stretch blow molded articles, e.g., thin wall containers, are made from a polymer blend comprising at least 70 percent by weight HDPE and at least 10 percent by weight LDPE based upon the total weight of the polymer blend. The HDPE/LDPE blends used in the practice of this invention provide increased melt strength resulting in a wider processing window.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: November 26, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Rodolfo Salmang, Peter Schindler, Marc A. Mangnus
  • Publication number: 20130309427
    Abstract: Propylene polymer based packaging films for encapsulating hot melt adhesives are disclosed. The packaging films are readily miscible with the various hot melt adhesive chemistries during the melting stage without deleteriously affecting the adhesive properties, making the packaging film particularly well suited for packaging hot melt adhesives in a pillow, cylinder, pouch, block, cartridge and like forms.
    Type: Application
    Filed: March 13, 2013
    Publication date: November 21, 2013
    Applicant: Henkel Corporation
    Inventors: Jinyu Chen, Yuhong Hu, Darshak Desai
  • Publication number: 20130309431
    Abstract: Heterophasic propylene copolymer comprising (a) a matrix (M) being a polypropylene (PP), said polypropylene (PP) has a polydispersity index (PI) of at least 5.0, and (b) an elastomeric propylene copolymer (EC) dispersed in said matrix (M), wherein (i) said heterophasic propylene copolymer has a melt flow rate MFR2 (230° C.) of equal or below 1.0 g/10 min, (ii) the amorphous phase (AM) of the xylene cold soluble fraction (XCS) of the heterophasic propylene copolymer has an intrinsic viscosity (IV) of at least 3.5 dl/g.
    Type: Application
    Filed: March 14, 2011
    Publication date: November 21, 2013
    Applicant: Borealis AG
    Inventors: Michiel Bergstra, Pauli Leskinen, Bo Malm, Cornelia Kock
  • Patent number: 8586676
    Abstract: A polymer composition and articles made therefrom are provided. The composition includes: (a) Component A having (i) at least 50 wt % ethylene moieties; and (ii) up to 50 wt % of a C3 to C20 comonomer moieties, a density of about 0.860 to about 0.965 g/cm3, a melt index of about 0.1 to about 10.0 g/10 min and a branching index of about 0.96 to about 1.0; and (b) Component B having: (i) at least 65 wt % ethylene moieties; and (ii) up to 35 wt % of a C3 to C20 comonomer moieties, the wt % s based upon total the total weight of Component B, a density of about 0.905 to about 0.945 g/cm3, a melt index (MI) of about 0.1 to about 10.0 g/10 min, and a branching index (g?) of about 0.7 to about 0.95. Films made using the polymer composition exhibit excellent toughness and processability.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: November 19, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Achiel J. Van Loon, Zhi Y. Shen
  • Patent number: 8586661
    Abstract: In various embodiments, the present inventions provide a heat and color stable flooring materials/product comprising between about 1 wt % to about 50 wt % a polyolefin-based elastomer material; between about 2 wt % to about 50 wt % a polyolefin-based thermoplastic material; between about 20 wt % to about 75 wt % a filler; and between about 0.25 wt % to about 5 wt % a curing system containing a peroxide. Also provided in various embodiments are method of making and using such a flooring material/product.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: November 19, 2013
    Assignee: American Biltrite (Canada), Ltd.
    Inventors: Jean-Claude Mercier, Stéphane Fitzback
  • Patent number: 8586674
    Abstract: The copolymer rubber composition comprises 60 to 75% by weight of a copolymer rubber (1) and 40 to 25% by weight of a copolymer rubber (2), and exhibits a difference in iodine value of 5 to 30 between the copolymer rubber (1) and the copolymer rubber (2). The copolymer rubber (1) is an ethylene-?-olefin-nonconjugated polyene copolymer rubber having an ethylene unit of 50 mol % to 70 mol %, an ?-olefin unit of 50 mol % to 30 mol %, and an iodine value of 10 to 30, and the copolymer rubber (2) is an ethylene-?-olefinic copolymer rubber having an ethylene unit of more than 70 mol % and 95 mol % or less, an ?-olefin unit of less than 30 mol % and 5 mol % or more, and an iodine value of 0 to 8.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: November 19, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Sadayuki Nakano
  • Patent number: 8586675
    Abstract: Polyolefin compositions comprising, all percentages being by weight: A) from 70 to 95%, of a compositions comprising (by weight): AI) 15-80% of one or more copolymers of propylene; AII) 20-85% of one or more copolymers with different comonomer(s) content than in A) B) from 5 to 30% of an elastomeric or plastomeric polyolefin or polyolefin composition.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: November 19, 2013
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Spencer S. Hirata, Michele Grazzi, Andrea Felisati, Dean J. Spencer, Ignazio Triassi
  • Publication number: 20130303043
    Abstract: The present invention provides a polymer composition including a first base polymer (A) containing at least a thermoplastic polymer, a second base polymer (B) containing at least a thermoplastic polymer and not having compatibility with the first base polymer (A), and an additive (C) containing at least a substance not having compatibility with any of the first base polymer (A) and the second base polymer (B), the additive (C) being in the form of liquid or slurry at the lower of a pyrolysis temperature of the first base polymer (A) and a pyrolysis temperature of the second base polymer (B). (A), (B) and (C) are phase-separated from each other, and interfaces each located between two of phases of (A), (B) and (C) contacting each other form three-dimensional continuous parallel interfaces.
    Type: Application
    Filed: July 16, 2013
    Publication date: November 14, 2013
    Inventors: Yoshikatsu MIZUKAMI, Eiji AKIBA
  • Publication number: 20130303680
    Abstract: Thermoplastic elastomer compositions including at least one elastomeric component and at least one semi-crystalline polymer are provided. In particular, thermoplastic elastomer composition characterized by an SRI less than or equal to 1.6 at 10000 Pa s, and less than 4.5 at 1000 Pa s for compositions with TMA at 1000 ?m greater than 85° C. are provided. Also provided are articles made from the thermoplastic elastomeric compositions.
    Type: Application
    Filed: November 9, 2010
    Publication date: November 14, 2013
    Inventors: Laura B. Weaver, Ashish Batra, Kim L. Walton
  • Patent number: 8580895
    Abstract: This invention discloses caps and closures produced by injection molding with a bimodal high density polyethylene (HDPE) resin comprising a low molecular weight, high density polyethylene fraction substantially free of comonomer and a high molecular weight, low density polyethylene fraction, having a molecular weight distribution of at least 3.5, preferably greater than 4.0, prepared in two reactors connected in series in the presence of a metallocene-containing catalyst system, wherein the metallocene comprises a bisindenyl or a bis-tetrahydrogenated-indenyl component.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: November 12, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Alain Standaert, Romain Luijkx, Martine Slawinski, Aurélien Vantomme
  • 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: 8580890
    Abstract: 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: Grant
    Filed: July 2, 2009
    Date of Patent: November 12, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Rita De Luca, Philippe Hoslet
  • Patent number: 8580893
    Abstract: A blown film composition including a first high density polyethylene component and a second high density polyethylene component, wherein the blown film contains a mixture of three or more discrete molecular weight distributions, and wherein the second high density polyethylene component has at least one more discrete molecular weight distribution than the first high density polyethylene component.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: November 12, 2013
    Assignee: Fina Technology, Inc.
    Inventors: Michael McLeod, Marco Araya, Sam Curtis, John Ashbaugh, Leonardo Cortes
  • Publication number: 20130295395
    Abstract: Embodiments herein relate to a biaxially oriented film comprising a core layer (B) comprising a blend of a high density polyethylene and a crystalline polypropylene, wherein the biaxially oriented film has a lower moisture vapor transmission rate than that of a biaxially oriented polypropylene (BOPP) film have a same structure and composition as that the biaxially oriented film except the BOPP film has the core layer (B) containing 100 wt % of the crystalline polypropylene.
    Type: Application
    Filed: March 15, 2013
    Publication date: November 7, 2013
    Inventors: CLAUDIO M. PAULINO, CHRISTOPHER D. ROY
  • Publication number: 20130296494
    Abstract: A composition of matter particularly well suited for use as a peelable seal layer is described. The composition comprises from about 50 to about 85 percent by weight of a first polymer and from 15 to 50 percent of a second polymer. The first polymer is a propylene based polymer characterized by having a melting point of at least 125° C. together with a Comonomer Composition Distribution Breadth (“CCDB”) less than 2. The second polymer is characterized by having an interfacial adhesion with the first polymer of less than 1 lb/inch.
    Type: Application
    Filed: May 7, 2012
    Publication date: November 7, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Kim L. Walton, Lamy J. Chopin, III, Morgan M. Hughes
  • Patent number: 8575272
    Abstract: A polymer composition comprising (percent by weight): a) 57%-74%, of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar % and a polydispersity index ranging from 5 to 10; b) 8 to 15%, of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 50%, and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 18-28%, of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 35 to 60 g/10 min, and the amount of hexane extractables lower than 4.0 wt %.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: November 5, 2013
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Marco Ciarafoni, Paola Massari, Gisella Biondini, Roberto Pantaleoni
  • Publication number: 20130289212
    Abstract: There is provided a polyolefin resin composition capable of affording molded articles being superior in tensile elongation at break and impact resistance. The composition includes not less than 1 wt % and less than 80 wt % of a propylene polymer (I) that is a propylene homopolymer or a copolymer of propylene and at least one comonomer, the copolymer having more than 0 wt % and less than 20 wt % of structural units derived from the at least one comonomer, not less than 1 wt % and less than 80 wt % of a propylene copolymer (II) having 20 to 80 wt % of structural units derived from the comonomer and/or an ethylene copolymer (III) having a density of less than 940 kg/m3, and more than 20 wt % and not more than 98 wt % of an ethylene polymer (IV) having an MFR of 12 to 100 g/10 minutes and a density of 940 to 970 kg/m3.
    Type: Application
    Filed: April 26, 2013
    Publication date: October 31, 2013
    Applicant: Sumitomo Chemical Company, Limited
    Inventor: Kenji IKEDA
  • Patent number: 8569418
    Abstract: Polyolefin compositions particularly suitable for cast film, exhibiting heat sealability, retortability, low haze and stiffness, comprising: 1) 75-85% of a propylene homopolymer or copolymer of propylene with ethylene and/or one or more C4-C10 ?-olefin(s), the homopolymer or copolymer having melting temperature equal to or higher than 150° C., 2) 15-25% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 20 to 30% of said C4-C10 ?-olefin(s); said composition having MFR (at 230° C., 2.16 kg) of from 5-10 g/10 min, the total content of ethylene of from 10 to 20%, the total content of C4-C10 ?-olefin(s) of from 2 to 8%, the ratio XStot/XSm of the total fraction soluble in Xylene at room temperature to the fraction soluble in Xylene at room temperature of the matrix component (1) of from 5 to 15, and the value of the intrinsic viscosity of the total fraction soluble in Xylene at room temperature (XSIVtot) of 1.5 dl/g or less.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: October 29, 2013
    Assignee: Basell Poliolefine Italia S.R.L.
    Inventors: Monica Galvan, Marco Ciarafoni, Roberto Pantaleoni, Angelo Ferraro
  • Patent number: 8568843
    Abstract: Tube made of flexible manufactured material and a procedure for its manufacture, where all or part of the tube is manufactured by the injection molding of a formulation of plastic materials, which comprises at least one base Random-type polypropylene with an E modulus of between 300 and 1400 MPa, at least another Random-type polypropylene, with a melt flow of between 8 and 75 MFI 230/2.16, at least one copolymer with a modulus of between 10 and 500 MPa, at least one nucleating agent and/or at least one thermal stabilizer. The resulting tube fulfills diverse requirements for flexibility, permeability, welding capacity, mechanical resistance to low temperatures, etc.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: October 29, 2013
    Assignee: CTL-TH Packaging, S.L. Unipersonal
    Inventors: Javier Fernandez De Mendiola Quintana, Juan Ignacio Valpuesta Landa, Patxi Joseba Iriondo Cendoya
  • Patent number: 8569390
    Abstract: An object of the present invention is to provide an in-mold foamed article having good surface appearances and high rigidity produced by using a common molding machine that withstands a pressure of up to 0.4 MPa. The present invention provides polypropylene resin pre-expanded particles containing a base resin which is a resin having a melt flow rate of 5 g/10 min or more and 20 g/10 min or less and a melting point of 140° C. or higher and 155° C. or lower and satisfying the conditional formula below, and an in-mold foamed article produced from molding the pre-expanded particles: [Heat of crystal fusion (J/g)]?1.2×[Melting point (° C.)]?96.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: October 29, 2013
    Assignee: Kaneka Corporation
    Inventors: Taro Kiguchi, Tomonori Iwamoto
  • Patent number: 8569419
    Abstract: A propylene composition comprising (percent by weight): A) 70%-95%, of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10, a fraction insoluble in xylene at 25° C., higher than 90%, and MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 60 to 120 g/10 min; B) 5%-30%, of a copolymer of propylene containing from 34.5% to 30.0% extremes included of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 3 and 5 dl/g.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: October 29, 2013
    Assignee: Basell Poliolefine Italia, S.r.l.
    Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Tiziana Caputo
  • Patent number: 8568845
    Abstract: The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt %, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt %, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt %.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: October 29, 2013
    Assignee: Borealis AG
    Inventors: Bo Malm, Franz Ruemer, Andreas Wolf, Tua Sundholm
  • Publication number: 20130281630
    Abstract: Heterophasic propylene copolymer (HECO) comprising: (a) a polypropylene matrix comprising: (a1) a first propylene homopolymer fraction (PPH1) with a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of >200 to 500 g/10 min, (a2-1) a second propylene homopolymer fraction (PPH2) with a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of >30 to ?200 g/10 min or, (a2-2) a second propylene homopolymer fraction (PPH2) with a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of >5 to ?30 g/10 min and, (a3-1) a third propylene homopolymer fraction (PPH3) with a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of 0.03 to ?5 g/10 min, if the second propylene homopolymer fraction is fraction (a2-1) or, (a3-2) a third propylene homopolymer fraction (PPH3) with a melt flow rate MFR2 (230° C.
    Type: Application
    Filed: November 8, 2011
    Publication date: October 24, 2013
    Applicant: Boreallis AG
    Inventors: Pauli Leskinen, Petar Doshev, Cornelia Kock
  • Publication number: 20130281596
    Abstract: The present disclosure is directed to compositions comprising: (a) a propylene-based elastomer, comprising at least about 60 wt % propylene-derived units and about 5 to about 25 wt % ethylene-derived units, based on total weight of the propylene-based elastomer, wherein the propylene-based elastomer has a heat of fusion of less than about 80 J/g; and (b) a polyalphaolefin. Such compositions have at least one of the following properties: (a) a hardness of about 25 to about 67 shore A (ASTM D2240); (b) a glass transition temperature of about ?35° C. to about ?65° C. (ASTM D3418-08, 10° C./min); and (c) an impact resistance at a temperature no lower than about ?40° C. (ASTM D3763).
    Type: Application
    Filed: April 18, 2012
    Publication date: October 24, 2013
    Inventors: Rachna Mohan, Felix M. Zacarias
  • Patent number: 8563109
    Abstract: A pressureless polymer pipe, a composition therefore, and a process of preparing the composition are described. The pipe is characterized in that the polymer comprises a propylene polymer composition where the propylene base polymer is a heterophasic propylene copolymer having a matrix of a propylene homopolymer and a dispersed phase of an elastomeric copolymer of propylene and at least one olefin comonomer; has a comonomer content of 2-7% by weight, based on the weight of the heterophasic propylene copolymer; has a melt flow rate MFR (2/230), determined according to ISO 1133 C4, of 0.1-2.0 g/10 min; has a broad molecular weight distribution as defined by its rheology shear thinning index, SHI0/50, measured at 200° C. of 9-30; has a tensile modulus, determined according to ISO 527-2/1B at 1 mm/min and 23° C. of at least 1800 MPa; has an impact strength, determined according to ISO 179/1 eA of at least 6 kJ/m2 at 0° C. and at least 2 kJ/m2 at ?20° C. The composition is a polymer composition as defined above.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: October 22, 2013
    Assignee: Borealis Technology Oy
    Inventors: Carl-Gustaf Ek, Bo Malm, Olli Tuominen
  • Patent number: 8563658
    Abstract: Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: October 22, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Kim L. Walton, Brian W. Walther, Robert T. Johnston, Jose M. Rego, Xiaosong (Sharon) Wu
  • Patent number: 8561379
    Abstract: A sealant film for use in a film structure for the manufacture of pouches and bags for containing flowable materials, the sealant film comprising: (1) from about 2.0 to about 9.5 wt %, based on 100 wt % total composition, of an ethylene C4-C10-alpha-olefin interpolymer having a density of from 0.850 to 0.890 g/cc and a melt index of 0.3 to 5 g/10 min, the interpolymer being present in an amount that optimizes flex crack resistance as measured using a Gelbo Flex tester set up to test in accordance with ASTM F392, and minimizes reduction of thermal resistance, as measured using DSC (ASTM E794/E793) Differential Scanning Calorimetry (DSC) which determines temperature and heat flow associated with material transitions as a function of time and temperature, and stiffness of the sealant film layer as measured using Tensile Modulus of the polyethylene films measured in accordance with ASTM Method D882; (2) from about 70.5 wt % to about 98.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: October 22, 2013
    Assignee: Liqui-Box Corporation
    Inventor: Alan Keith Breck
  • Patent number: 8563647
    Abstract: The present invention describes polymer comprising one or more C3 to C40 olefins and having a Mw of 100,000 or less and a Dot T-Peel of 1 Newton or more. The polymer may have a branching index (g?) of 0.95 or less measured at the Mz of the polymer, and a heat of fusion of 1 to 70 J/g. Also described are polymers of homopolypropylene or a copolymer of propylene and up to 5 mole % ethylene having: an isotactic run length of 1 to 30 as determined by Carbon 13 NMR and a percent of r dyad of greater than 20%, preferably from 20 to 70% as determined by Carbon 13 NMR. Also described are methods of making these and other polymers.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: October 22, 2013
    Assignee: Exxonmobil Chemical Patents Inc.
    Inventors: Peijun Jiang, Armenag Hagop Dekmezian, Jo Ann Marie Canich, Charles Lewis Sims, Ramin Abhari, Cesar Alberto Garcia-Franco, David Raymond Johnsrud
  • Publication number: 20130273291
    Abstract: A propylene polymer composition comprising (percent by weight referring to the sum of A+B): A) 60%-90% of a crystalline propylene copolymer containing from 1.0% to 5.0% of ethylene derived units; B) 10%-40% of a copolymer of propylene with from 18% to 32% of ethylene derived units, said propylene polymer composition having a melt flow rate value according to ISO 1133 (230° C., 2.16 kg) of from 1.0 to 2.0 g/10 min.
    Type: Application
    Filed: December 19, 2011
    Publication date: October 17, 2013
    Applicant: Basell Polyolefine GmbH
    Inventors: Alexander Woerz, Mike Freudenstein, Gerald Lutz
  • Patent number: 8557917
    Abstract: The present invention relates to a process for the preparation of a propylene homo- or copolymer, comprising the following steps: (i) feeding propylene and hydrogen, and optionally one or more comonomers, to a reactor R1, wherein the hydrogen is fed to the reactor R1 in a periodically varying amount, (ii) preparing a first fraction of the propylene homo- or copolymer in the reactor R1 in the presence of a catalyst, (iii) transferring the first fraction to a reactor R2, and (iv) preparing a second fraction of the propylene homo- or copolymer in the reactor R2, wherein the melt flow rate MFR (2.16 kg, 230° C.) of the propylene homo- or copolymer is higher than the melt flow rate MFR (2.16 kg, 230° C.) of the first fraction.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: October 15, 2013
    Assignee: Borealis AG
    Inventors: Pauli Leskinen, Michiel Bergstra
  • Patent number: 8557935
    Abstract: Bimetallic catalysts, methods of producing bimetallic catalysts comprising a modified Ziegler-Natta catalyst and a metallocene, and methods of olefin polymerization using such catalysts are provided. The method of producing the bimetallic catalyst may include combining (a) a Ziegler-Natta catalyst comprising a Group 4, 5 or 6 metal halide and/or oxide, optionally including a magnesium compound, with (b) a modifier compound (“modifier”), wherein the modifier compound is a Group 13 alkyl compound, to form a modified Ziegler-Natta catalyst. The modified Ziegler-Natta catalyst is preferably non-activated, that is, it is unreactive towards olefin polymerization alone. The molar ratio of the Group 13 metal (of the modifier) to the Group 4, 5 or 6 metal halide and/or oxide may be less than 10:1. The bimetallic catalysts are useful in producing bimodal polymers, particularly bimodal polyethylene, having a Polydispersity (Mw/Mn) of from 12 to 50, which may be used in pipes and films.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: October 15, 2013
    Assignee: Univation Technologies, LLC
    Inventors: Sun-Chueh Kao, Michael D. Awe
  • Patent number: 8557925
    Abstract: A sizing composition comprises a blend of at least two anionic copolymers.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: October 15, 2013
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Cornel Hagiopol, James W. Johnston, Sean M. Tyler, Michael J. Bush
  • Patent number: 8557924
    Abstract: 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 935 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.
    Type: Grant
    Filed: May 25, 2009
    Date of Patent: October 15, 2013
    Assignee: Borealis AG
    Inventors: Mats Bäckman, Carl-Gustaf Ek, Anneli Pakkanen, Magnus Palmlöf
  • Patent number: 8557393
    Abstract: In one or more embodiments of this invention, TPE compositions having between 55 and 85 Shore A hardness and having good adhesion to metal substrates, are produced by blending an amount of unsaturated carboxylic acid functionalized thermoplastic resin with a very soft TPV, namely, a TPV base having a hardness of 45 Shore A or less.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: October 15, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Tonson Abraham, Norman G. Barber