Acyclic Hydrocarbon Is Ethylene Patents (Class 525/324)
  • Patent number: 10435492
    Abstract: Catalyst systems having both a metallocene catalyst component and a Ziegler-Natta component are disclosed. Such catalyst systems can contain a metallocene compound, an activator-support, an organoaluminum compound, and a Ziegler-Natta component comprising titanium supported on magnesium chloride.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 8, 2019
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Errun Ding, Chung C. Tso, Youlu Yu, Qing Yang, Richard M. Buck
  • Patent number: 9718907
    Abstract: Catalyst systems having both a metallocene catalyst component and a Ziegler-Natta component are disclosed. Such catalyst systems can contain a metallocene compound, an activator-support, an organoaluminum compound, and a Ziegler-Natta component comprising titanium supported on magnesium chloride.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: August 1, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Errun Ding, Chung C. Tso, Youlu Yu, Qing Yang, Richard M. Buck
  • Publication number: 20150147548
    Abstract: The invention relates to a foil having at least one first layer (1) comprising at least 50% of random heterophasic polypropylene (block) copolymer. The invention further relates to labels and cover membranes comprising the foil.
    Type: Application
    Filed: February 25, 2014
    Publication date: May 28, 2015
    Applicant: HUHTAMAKI FILMS GERMANY GMBH & CO. KG
    Inventors: Matthias MAUSER, Michael SCHUHMANN
  • Patent number: 8993681
    Abstract: Provided is a dendritic ethylene polymer. The polymer is a dendritic polymer of an ethylene/alpha-olefin-diene copolymer and a vinyl-terminated polyethylene. There is also provided a process for making a dendritic ethylene polymer. The process includes the steps of preparing a dendritic ethylene polymer by reacting ethylene/alpha-olefin-diene copolymer with vinyl-terminated polyethylene in the presence of a radical source. There is also provided a blend and a blown film that include the dendritic ethylene polymer.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: March 31, 2015
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Andy H. Tsou, Shuji Luo, Donna J. Crowther, Gabor Kiss, Johannes M. Soulages, Pradeep P. Shirodkar
  • Patent number: 8993680
    Abstract: A process for making a hyperbranched polyethylene. The process has the steps of (a) reacting a multifunctional acrylate monomer with an ?,?-diene monomer in the presence of a first catalyst to form an alternating acrylate/diene copolymer and (b) reacting the alternating acrylate/diene copolymer with a late transition metal ?-diimine catalyst to form a multi-nuclear initiator for chain walking polymerization of ethylene. There is also a process for forming a multi-nuclear initiator. There is also a hyperbranched polymer.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: March 31, 2015
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Yong Yang, Andy Haishung Tsou
  • Patent number: 8987385
    Abstract: A polymer comprises units derived from ethylene and polyalkylene, the polymer having at least 0.15 units of amyl groups per 1000 carbon atoms as determined by 13C Nuclear Magnetic Resonance (NMR).
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: March 24, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Teresa P. Karjala, Otto J. Berbee, Cornelis F. J. den Doelder, John O. Osby
  • Publication number: 20150059976
    Abstract: An adhesive composition including a block copolymer. An adhesive layer formed by using the adhesive composition has a Young's modulus of 0.1 GPa or greater at 23° C., a storage modulus (G?) of 1.5×105 Pa or less at 220° C., and a loss factor (tan ?) of 1.3 or less at 220° C.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 5, 2015
    Inventors: Koki Tamura, Hirofumi Imai, Toshiyuki Ogata, Atsushi Kubo, Takahiro Yoshioka
  • Publication number: 20150034928
    Abstract: The purpose of the present invention is to provide the following: an optical-device surface-sealing composition that makes it possible to fabricate an optical-device-using display with a low amount of warpage even if there is a large difference between the coefficients of linear expansion of substrates used in said display; a display with a low amount of warpage; and a manufacturing method therefor. The storage modulus of elasticity (G?(80)) of this optical-device surface-sealing composition, measured at 80° C. after said composition is heated from 40° C. to 80° C. at 5° C./min and then held at 80° C. for 30 minutes, is between 1.0×103 and 2.0×106 Pa.
    Type: Application
    Filed: February 21, 2013
    Publication date: February 5, 2015
    Inventors: Yugo Yamamoto, Setsuko Oike, Masatoshi Takagi
  • Patent number: 8921500
    Abstract: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in shrinkage film applications, and articles made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of 0.920 to 0.940 g/cm3.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 30, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Lawrence J. Effler, Jr., Mehmet Demirors, Cristina Serrat, Lonnie G. Hazlitt
  • Patent number: 8921491
    Abstract: Embodiments of the invention provide an impact modified composition comprising ethylene/?-olefin interpolymers. The ethylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. In addition or alternatively, the block ethylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (“TREF”), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.4.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: December 30, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Kim L. Walton, Theresa J. Hermel-Davidock, Henry G. Heck, Phillip D. Hustad, Mark T. Berard
  • Patent number: 8829116
    Abstract: A method for producing an AB block copolymer with PDI is provided. The method comprises steps of: 1) reaction, in the presence of at least one free radical initiator, of a reaction mixture comprising a compound of formula (I), and 2) reaction, at a temperature of 45° C. or above, of a reaction mixture comprising an ethylenically unsaturated monomer B and, independent from that of step 1), a compound of formula (I) and the macroinitiator of step 1) in solvent(s) to obtain the AB block copolymer; wherein the weight ratio of the compound of formula (I) to the macroinitiator in step 2) is at least 1:1000.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: September 9, 2014
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Longlan Cui, Shaoguang Feng, Yanfei Liu, Tao Wang, Qingwei Zhang
  • Patent number: 8809456
    Abstract: This invention relates to methods for producing an alkene terminated polystyrene, including: contacting a styrenic block copolymer and an alkene in the presence of a metathesis catalyst under conditions sufficient to produce an alkene terminated polystyrene having an unsaturation functionality of at least 0.7 and a MWD of about 1.5 or less. Methods for producing functionalized polymers and polyethylene blend composition comprising these functionalized polymers are also disclosed.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: August 19, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Mun F. Tse, Aspy K. Mehta, Joann M. Canich, Matthew W. Holtcamp, John R. Hagadorn, Charles J. Ruff
  • Publication number: 20140213735
    Abstract: An ethylenic polymer comprising amyl groups from about 0.1 to about 2.0 units per 1000 carbon atoms as determined by Nuclear Magnetic Resonance and both a peak melting temperature, Tm, in ° C., and a heat of fusion, Hf, in J/g, as determined by DSC Crystallinity, where the numerical values of Tm and Hf correspond to the relationship Tm?(0.2143*Hf)+79.643. An ethylenic polymer comprising at least one preparative TREF fraction that elutes at 95° C. or greater using a Preparative Temperature Rising Elution Fractionation method, where at least one preparative TREF fraction that elutes at 95° C. or greater has a gpcBR value greater than 0.05 and less than 5 as determined by gpcBR Branching Index by 3D-GPC, and where at least 5% of the ethylenic polymer elutes at a temperature of 95° C. or greater based upon the total weight of the ethylenic polymer.
    Type: Application
    Filed: April 1, 2014
    Publication date: July 31, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Teresa P. Karjala, Christopher R. Eddy, Lonnie G. Hazlitt, Pak-Meng Cham, Sarat Munjal, Wallace W. Yau
  • Publication number: 20140141228
    Abstract: Compositions suitable for film comprise at least one ethylene/?-olefin interpolymer, wherein the ethylene/?-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm>?2002.9+4538.5(d)?2422.2(d)2.
    Type: Application
    Filed: January 16, 2014
    Publication date: May 22, 2014
    Applicant: Dow Global Technologies LLC
    Inventors: David W. Fuchs, Pradeep Jain, Mehmet Demirors, Pak-Meng Cham, Yunwa W. Cheung
  • Patent number: 8722808
    Abstract: Polyolefin composition comprising, in percent by weight: A) 10-50% of a copolymer of propylene with one or more comonomer(s) selected from ethylene and CH2?CHR alpha-olefins where R is a 2-8 carbon alkyl, which copolymer contains from 1 to 8% of comonomer(s); B) 50-90% of a blend of copolymers (bI) and (bII), wherein copolymer (bI) contains from 18 to 40% of ethylene, and copolymer (bII) contains from 55 to 85% of ethylene, and the weight ratio (bI)/(bII) is from 0.2 to 2; in which composition the copolymer component (bI) is present in amounts of 15% or more with respect to the total weight of (A)+(B), the weight ratio C2II/C2I of the content C2II of ethylene in copolymer component (bII) to the content C2I of ethylene in copolymer component (bI) is of 1.8 or more, and the intrinsic viscosity [?] of the fraction XS soluble in xylene at room temperature (about 25° C.), referred to the total weight of (A)+(B), is of 2 dl/g or more.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: May 13, 2014
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Giampaolo Pellegatti, Paolo Goberti
  • Patent number: 8722807
    Abstract: The application relates to a polyethylene composition having a base resin, the base resin comprising (A) a first polyethylene fraction, and (B) a second polyethylene fraction, wherein the melt flow rate MFR5/190° c. of the first fraction is higher than the melt flow rate MFR5/190° c. of the second fraction, the flow rate ratio FRR21/5 of the polyethylene composition, defined as the ratio of melt flow rate MFR21-6/190° c. to melt flow rate MFR5/190° c., is within the range of 15-28, and 10 the melt flow rate MFR5/190° c. of the polyethylene composition is within the range of 0.5-1.1 g/10 min.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: May 13, 2014
    Assignee: Borealis Technology Oy
    Inventors: Mats Bäckman, James McGoldrick, Bo Hovgard, Siegfried Liedauer, David Walton
  • Patent number: 8710143
    Abstract: A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: April 29, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel J. Arriola, Edmund M. Carnahan, Yunwa Wilson Cheung, David D. Devore, David D. Graf, Phillip D. Hustad, Roger L. Kuhlman, Colin Li Pi Shan, Benjamin C. Poon, Gordon R. Roof, James C. Stevens, Pamela J. Stirn, Timothy T. Wenzel
  • Patent number: 8653201
    Abstract: A composition suitable for use in pressure pipes and pipe fittings is disclosed comprising polymer of ethylene and from 0.5 to 5 wt % of a C4-C8 alpha-olefin which has a natural density of 935-956 kg/m3, a melt index MI5 of 0.15-0.5 g/10 min, a dynamic complex viscosity at 100 rad/s and 190° C. (?100) of no more than 2500 Pa·s, a relationship between ?100 and dynamic complex viscosity measured in Pa·s at 0.01 rad/s and 190° C. (?0.01) defined by the equation ?0.01>115000+30. ?100, and an environmental stress crack resistance as measured by a notched pipe test performed according to ISO13479:1997 on 110 mm SDR 11 pipes at 80° C. and a pressure of 9.2 bar, of greater than 1000 hours, or: wherein the C4-C8 alpha-olefin is 1-hexene or 1-octene.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: February 18, 2014
    Assignee: Ineos Manufacturing Belgium NV
    Inventors: Thomas F. Ameye, Dominique Jan, Fabian Siberdt
  • Publication number: 20140041893
    Abstract: Methods, compositions, apparatuses, and systems are provided for a hybrid thermoplastic gel or sealant. The methods comprise providing (a) a base polymer having at least one functional group capable of crosslinking, (b) a functionalized extender, and (c) heat, and reacting the base polymer and functionalized extender in the presence of the heat to form the hybrid thermoplastic gel. The gel composition may comprise 5-40 wt % of a base polymer, 60-95 wt % of a functionalized extender, and 0-10 wt % of a crosslinker. A closure or interconnect system may comprise a housing, a cable, and a hybrid thermoplastic gel or sealant. A telecommunications apparatus may comprise a telecommunications component and a sealant that forms a seal with the telecommunications component. The sealant may comprise a sealant material having a first range of elongation followed by a second range of elongation.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 13, 2014
    Applicant: TYCO ELECTRONICS CORPORATION
    Inventors: Gary W. Adams, Julian S. Mullaney, Michael A. Oar
  • Patent number: 8641919
    Abstract: Piezoelectric compositions are provided wherein mechanical and piezoelectric properties can be separately modulated. Preferred compositions include resin blends that comprise: (a) a piezoelectrically active polymer and (b) a matrix polymer, methods of making, and use of such resin blends. Advantages of preferred resin blends of the invention can include high piezoelectricity, mechanical strength and flexibility, convenient fabrication process, and high sensitivity at high temperatures.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: February 4, 2014
    Assignee: The Johns Hopkins University
    Inventors: Michael Yu, James E. West, Ilene J. Busch-Vishniac, Dawnielle Farrar
  • 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: 8569422
    Abstract: The invention is related to catalytic olefin block copolymers with a controlled block sequence distribution and at least one low crystallinity hard block. The block copolymer has a number of unique characteristics disclosed here.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: October 29, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Colin Li Pi Shan, Roger L. Kuhlman, Gary L. Rath, Pamela J. Kenny, Morgan M. Hughes, Rongjuan Cong
  • Publication number: 20130281626
    Abstract: This invention relates to methods for producing an alkene terminated polystyrene, including: contacting a styrenic block copolymer and an alkene in the presence of a metathesis catalyst under conditions sufficient to produce an alkene terminated polystyrene having an unsaturation functionality of at least 0.7 and a MWD of about 1.5 or less. Methods for producing functionalized polymers and polyethylene blend composition comprising these functionalized polymers are also disclosed.
    Type: Application
    Filed: April 18, 2012
    Publication date: October 24, 2013
    Inventors: Mun F. Tse, Aspy K. Mehta, Joann M. Canich, Matthew W. Holtcamp, John R. Hagadorn, Charles J. Ruff
  • 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: 8557920
    Abstract: 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: Grant
    Filed: May 11, 2006
    Date of Patent: October 15, 2013
    Assignee: Borealis Technology Oy
    Inventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
  • Patent number: 8415434
    Abstract: A polymerization process and the resulting polymer composition, said process comprising polymerizing one or more addition polymerizable monomers and a polymerizable shuttling agent in the presence of at least one addition polymerization catalyst comprising a metal compound or complex and a cocatalyst under conditions characterized by the formation of a branched polymer, preferably comprising pseudo-block molecular architecture.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: April 9, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel J. Arriola, Edmund M. Carnahan, David D. Devore, Phillip D. Hustad, Brian A. Jazdzewski, Roger L. Kuhlman, Francis J. Timmers, Timothy T. Wenzel
  • Patent number: 8415426
    Abstract: A tire is provided having a component comprised of a rubber composition containing at least one conjugated diene-based elastomer and a combination of rubber reinforcing fillers composed of rubber reinforcing carbon black, precipitated silica and granular functionalized mineral comprised of at least one of aluminum hydrate (ALOOH) and titanium dioxide. The granular mineral is functionalized by pretreatment with a coupling agent. The granular mineral fillers are pretreated with a coupling agent to promote a combination of rubber reinforcing effect for the mineral fillers and to promote a hydrophobation of the mineral fillers to promote their dispersability in the rubber composition.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: April 9, 2013
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Kuo-Chih Hua, Ling Du
  • Patent number: 8389654
    Abstract: 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 527-2/1B at 1 mm/min. and 23° C., of at least 1200 MPa.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: March 5, 2013
    Assignee: Borealis Technology Oy
    Inventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
  • Patent number: 8372499
    Abstract: The present invention relates to a pipe or a supplementary pipe article comprising a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene homo- or copolymer fraction, wherein fraction (A) has a lower average molecular weight than fraction (B), the base resin has a flexural modulus determined according to ISO 178 of 1000 MPa or higher, and the composition further comprises (C) an inorganic mineral filler, wherein inorganic mineral filler (C) is present in the composition in an amount of 1 to 70 wt. %, and to the use of said composition for the production of a pipe or a supplementary pipe article.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: February 12, 2013
    Assignee: Borealis Technology Oy
    Inventors: Carl-Gustaf Ek, Mats Bäckman
  • Publication number: 20120309859
    Abstract: Interpolymer resin particles that include from about 20% to about 60% by weight based on the weight of the particles of uncross-linked polyolefin resin particles having a VICAT softening temperature greater than 85° C. and from about 40% to about 80% by weight based on the weight of the interpolymer particles of polymerized vinyl aromatic monomer composition particles that have been polymerized in the uncross-linked polyolefin resin particles to form an interpenetrating network of polyolefin resin particles and polystyrene particles. The interpolymer resin particles have a gel content ranging from about 0 to about 1.5% by weight based on the weight of the interpolymer resin particles, a VICAT softening temperature ranging from about 90° C. to about 115° C., and a melt index value ranging from about 0.2 to about 35.0 g/10 minutes (Condition G).
    Type: Application
    Filed: December 1, 2011
    Publication date: December 6, 2012
    Applicant: NOVA CHEMICALS INC.
    Inventor: Steven M. Krupinski
  • Publication number: 20120196985
    Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.
    Type: Application
    Filed: January 26, 2012
    Publication date: August 2, 2012
    Inventors: Yong-Ho LEE, Manseong Jeon, Heon-Yong Kwon, Min-Seok Cho, Seon Kyoung Kim, Dae-Sik Hong, Se Hui Sohn, Ki-Soo Lee, Kyoung-Chan Lim
  • Patent number: 8198374
    Abstract: A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: June 12, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel J. Arriola, Edmund M. Carnahan, Yunwa Wilson Cheung, David D. Devore, David D. Graf, Phillip D. Hustad, Roger L. Kuhlman, Colin Li Pi Shan, Benjamin C. Poon, Gordon R. Roof, James C. Stevens, Pamela J. Stirn, Timothy T. Wenzel
  • Patent number: 8188191
    Abstract: The present invention is a polyolefin polymer containing vinyl groups at both ends thereof, and a composition and a molded product containing the polymer, wherein the polymer contains a constitutional unit derived from at least one selected from the group consisting of ethylene (a), an ?-olefin (b) having 3 to 20 carbon atoms, and a cyclic olefin (c), and (1) a ratio of terminal vinylation is 70% or more relative to all of both ends of molecular chains, and (2) an intrinsic viscosity [?] is in the range of 0.01 to 10 dl/g as measured in a decalin solution at 135° C. The polymer of the present invention may be molded by a LIM molding, an injection molding, a transfer molding, a compression molding, and the like, and is excellent in acid resistance, gas permeation resistance, hydrolysis resistance, and dynamic fatigue resistance. From the polymer, a thermoplastic resin composition and a crosslinkable resin composition, and a crosslinked composition having excellent mechanical characteristics are obtained.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: May 29, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Shigenobu Ikenaga, Keiji Okada, Yoshiki Shimokawatoko, Akihiro Matsuda, Shigekazu Matsui, Masahiro Enna
  • Patent number: 8106139
    Abstract: Embodiments of the invention provide a class of mesophase separated propylene/?-olefin block interpolymers with controlled block sequences. The propylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.4. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block propylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (“TREF”), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the propylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.4.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: January 31, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Gary R. Marchand, Yunwa W. Cheung, Benjamin C. Poon, Jeffrey D. Weinhold, Kim L. Walton, Pankaj Gupta, Colin Li Pi Shan, Phillip D. Hustad, Roger L. Kuhlman, Edmund M. Carnahan, Eddy I. Garcia-Meitin, Patricia L. Roberts
  • Patent number: 8105992
    Abstract: The invention relates to viscosity modifier polymers, concentrate and lubricant formulations utilizing a diblock polymer having one block A and one block B, block A contributing from 15 to 30% of the total chain length and block B from 70 to 85% of the total chain length, wherein block A comprises at least 93 wt % of ethylene and at least one other alpha-olefin and block B comprises an ethylene content between 40 and 75 wt % and at least one other alpha-olefin and wherein the resulting block copolymer has an average ethylene content of between about 60 wt % to 80 wt % ethylene, a fast Gaussian NMR relaxation signal between 17 and 22% and a slow exponential NMR relaxation signal between 58 and 68% of the total NMR relaxation signal, a SSI of at least 35% and a TE of at least 3.5 in order to obtain improvements in fuel economy.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: January 31, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jean-Roch Schauder, Kirk Alan Nass, Periagaram Srinivasan Ravishankar, Karine Vincent
  • Publication number: 20110262671
    Abstract: A multimodal ethylene polymer with a density of less than 950 kg/m3 obtained by polymerization with a single-site catalyst and having an MFR21 in the range of 10 to 20 g/10 min; a shear thinning index SHI2.7/210 of at least 4; and preferably a crosslinkability of at least 60%.
    Type: Application
    Filed: October 30, 2009
    Publication date: October 27, 2011
    Applicant: Borealis AG
    Inventors: Anneli Pakkanen, Markku Vahteri, Magnus Palmlof, Jeroen Oderkerk
  • Patent number: 8044144
    Abstract: The present invention provides a propylene-ethylene copolymer which is excellent in a balance between a heat resistance and an elasticity recovering property and has a good transparency and which is improved in peel whitening brought about by mutual adhesion in storing specific to soft materials, a resin composition for a transparent elasticity recovering film or sheet comprising the above copolymer, a transparent elasticity recovering film or sheet and a wrap film.
    Type: Grant
    Filed: February 1, 2006
    Date of Patent: October 25, 2011
    Assignee: Prime Polymer Co., Ltd.
    Inventors: Masahiko Endoh, Misao Mukui, Junichi Matsumoto
  • Patent number: 8012558
    Abstract: Release agent more particularly for an adhesive with an ethylene multi-block copolymer, the ethylene multi-block copolymer being composed of hard segment blocks, comprising at least 95% (w/w) ethylene and a comonomer, and of soft segment blocks, comprising ethylene and a comonomer, the fraction of comonomer in the soft segment blocks being between 10 and 20 mol %, and the fraction of the hard segment blocks in the ethylene multi-block copolymer being not more than 45% (w/w).
    Type: Grant
    Filed: August 12, 2008
    Date of Patent: September 6, 2011
    Assignee: tesa SE
    Inventor: Nicole Behrens
  • Publication number: 20110172322
    Abstract: The invention relates to a long chain branched medium and low density polyethylene having a combination of the following properties: a) a density of from 0.910 to 0.945 g/cm3; b) an HLMI of from 2 to 150 dg/min and an MI2 of from 0.01 to 2 dg/min; c) a polydispersity index (PDI) Mw/Mn of at least 7, wherein Mw is the weight average molecular weight and Mn is the number average molecular weight of the polyethylene; and d) and a minimum amount of long chain branching measured by a value selected from one of grheo and LCBI. The invention also relates to a process for obtaining said polyethylene comprising the following steps: a) injecting ethylene, one or more alpha-olefinic comonomers comprising 3 to 10 carbon atoms and an activated chromium-based catalyst into a gas phase polymerisation reactor; b) copolymerising said ethylene and comonomer in said reactor in the gas phase; and c) retrieving an ethylene copolymer having a density of from 0.910 to 0.
    Type: Application
    Filed: April 13, 2007
    Publication date: July 14, 2011
    Applicant: Total Petrochemicals Research Feluy
    Inventors: Jacques Michel, Guy Debras, Philippe Bodart, Mieke Dams, Pascal Charlier
  • Publication number: 20110152437
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Application
    Filed: February 21, 2011
    Publication date: June 23, 2011
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey
  • Publication number: 20110144240
    Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.
    Type: Application
    Filed: February 21, 2011
    Publication date: June 16, 2011
    Inventors: William J. Harris, John D. Weaver, Brian W. Walther, Stephen F. Hahn, Yunwa W. Cheung, Pankaj Gupta, Thoi H. Ho, Kenneth N. Reichek, Selim Yalvac, Teresa P. Karjala, Benjamin R. Rozenblat, Cynthia L. Rickey
  • Patent number: 7956132
    Abstract: Telechelic unsaturated polymers suitable for conversion to functionalized derivatives such as polyols are prepared by metathesis of an unsaturated copolymer formed by addition polymerization of ethylene, a diene or alkyne and, optionally, one or more C3.20 ?-olefins.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: June 7, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel J. Arriola, John R. Briggs, Francis J. Timmers, Nicole L. Wagner, Timothy T. Wenzel
  • Publication number: 20110118679
    Abstract: An RF sealable composition and film is provided in which the composition and film includes a blend of an ethylene/alpha-olefin and an ethylene acrylate copolymer. The composition and resulting film has a dielectric loss factor of at least 0.02 and is capable of being radio frequency sealed. Films in accordance with the invention provide RF seals having peel strengths on the order of 500 g/in or greater. In a further aspect, a film is provided having at least one exterior layers that comprises a blend of an ethylene/alpha-olefin copolymer and an ethylene acrylate copolymer. Suitable ethylene acrylate copolymers for use in the invention include of ethylene vinyl acetate (EVA), ethylene butyl acrylate (EBA), and ethylene methyl acrylate (EMA).
    Type: Application
    Filed: November 17, 2009
    Publication date: May 19, 2011
    Inventors: Solomon Bekele, Romano Spigaroli
  • Patent number: 7901595
    Abstract: The invention relates to an electrically conductive elastomer mixture and to a method. The mixture comprises a thermoplastic styrene elastomer and, as an electrically conductive filler, metal-containing particles. The mixture further comprises a polymer which is an acid-grafted, acid-anhydride-grafted or acid-copolymer and which forms an IPN (Interpenetrating Polymer Network) network structure with the styrene elastomer.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: March 8, 2011
    Assignee: Premix Oy
    Inventors: Taisto Vilkman, Mikko Karttunen, Lisa Wikström
  • Publication number: 20110021713
    Abstract: An ethylenic polymer comprising amyl groups from about 0.1 to about 2.0 units per 1000 carbon atoms as determined by Nuclear Magnetic Resonance and both a peak melting temperature, Tm, in ° C., and a heat of fusion, Hf, in J/g, as determined by DSC Crystallinity, where the numerical values of Tm and Hf correspond to the relationship Tm>(0.2143*Hf)+79.643. An ethylenic polymer comprising at least one preparative TREF fraction that elutes at 95° C. or greater using a Preparative Temperature Rising Elution Fractionation method, where at least one preparative TREF fraction that elutes at 95° C. or greater has a gpcBR value greater than 0.05 and less than 5 as determined by gpcBR Branching Index by 3D-GPC, and where at least 5% of the ethylenic polymer elutes at a temperature of 95° C. or greater based upon the total weight of the ethylenic polymer.
    Type: Application
    Filed: March 12, 2009
    Publication date: January 27, 2011
    Inventors: Mehmet Demirors, Teresa P. Karjala, Christopher R. Eddy, Lonnie G. Hazlitt, Pak-Meng Cham, Sarat Munjal, Wallace W. Yau
  • Patent number: 7872071
    Abstract: The invention relates to a polyethylene molding composition which has a multimodal molar mass distribution and is particularly suitable for producing protective coatings on steel pipes. The molding composition has a density at a temperature of 23° C. in the range from 0.94 to 0.95 g/cm3 and an MFI190/5 in the range from 1.2 to 2.1 dg/min. It comprises from 45 to 55% by weight of a low molecular weight ethylene homopolymer A, from 30 to 40% by weight of a high molecular weight copolymer B of ethylene and another olefin having from 4 to 8 carbon atoms and from 10 to 20% by weight of an ultra high molecular weight ethylene copolymer C.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: January 18, 2011
    Assignee: Basell Polyolefine GmbH
    Inventors: Joachim Berthold, Ludwig Böhm, Heinz Vogt
  • Patent number: 7868097
    Abstract: A hybrid polymer has a structure in which a polyolefin segment and a polar polymer segment are connected not via a bonding group containing a heteroatom. A method of the invention produces the hybrid polymer with industrial advantages. The hybrid polymer includes a polyolefin segment (A) and a polar polymer segment (B), the polar polymer segment being obtained by radical polymerization of a radically polymerizable monomer.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: January 11, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hideyuki Kaneko, Shinichi Kojoh, Nobuo Kawahara, Shingo Matsuo, Tomoaki Matsugi, Norio Kashiwa
  • Patent number: 7858707
    Abstract: A polymerization process and the resulting polymer composition, said process comprising polymerizing one or more addition polymerizable monomers and a polymerizable shuttling agent in the presence of at least one addition polymerization catalyst comprising a metal compound or complex and a cocatalyst under conditions characterized by the formation of a branched polymer, preferably comprising pseudo-block molecular architecture.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: December 28, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Daniel J. Arriola, Edmund M. Carnahan, David D. Devore, Phillip D. Hustad, Brian A. Jazdzewski, Roger L. Kuhlman, Francis J. Timmers, Timothy T. Wenzel
  • Patent number: 7858706
    Abstract: A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: December 28, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Daniel J. Arriola, Edmund M. Carnahan, Yunwa Wilson Cheung, David D. Devore, David D. Graf, Phillip D. Hustad, Roger L. Kuhlman, Colin Li Pi Shan, Benjamin C. Poon, Gordon R. Roof, James C. Stevens, Pamela J. Stirn, Timothy T. Wenzel
  • Publication number: 20090233063
    Abstract: There are provided a liquid composition for making pigment fixed having a high resistance to rubbing and a good dry-cleanability; an ink set including the liquid composition for making pigment fixed and an ink composition excellent in terms of color intensity, discharge stability, and adhesiveness; and a method for producing ink-jet-recorded matter on a fabric having a high resistance to rubbing and good dry-cleanability using the liquid composition for making pigment fixed and the ink composition. The liquid composition for making pigment fixed according to the present invention contains at least polymer fine particles synthesized using an alkyl (meth)acrylate and/or cyclic alkyl (meth)acrylate and a reactive compound having an ethylene-based unsaturated compound and a reactive group, the glass transition temperature and the acid value of the liquid composition being equal to or lower than ?10° C. and equal to or lower than 100 mg KOH/g, respectively.
    Type: Application
    Filed: March 5, 2009
    Publication date: September 17, 2009
    Inventors: Masahiro YATAKE, Yoshimasa TAMURA