At Least Four Carbon Atoms Patents (Class 526/348.6)
  • Patent number: 10350587
    Abstract: The present invention relates to a catalyst system for olefin metathesis, the catalyst system comprising: a) a first system zone substantially comprising a layered double hydroxide; and b) a second system zone comprising a metathesis catalyst.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: July 16, 2019
    Assignee: SMH Co., Ltd
    Inventors: Kongkiat Suriye, Burin Khemthong
  • Patent number: 10065398
    Abstract: A multi-layer biaxially oriented polymer film comprising a core layer (CL) and at least one sealing layer (SL), said sealing layer(s) (SL) comprise(s) a propylene copolymer composition (P) having a comonomer content in the range of 3.0 to 8.0 wt.-%, the comonomers are C5 to C12 ?-olefins, said propylene copolymer composition (P) comprises a polypropylene (A) and a polypropylene (B) in the weight ratio [(A)/(B)] of 20/80 to 80/20, wherein said polypropylene (A) has a comonomer content of equal or below 4.0 wt.-%, the comonomers are C5 to C12 ?-olefins, and said propylene copolymer (B) has a comonomer content of 4.0 to 20.0 wt.-%, the comonomers are C5 to C12 ?-olefins.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: September 4, 2018
    Assignee: Borealis AG
    Inventors: Luigi Resconi, Nina Ackermans, Joachim Fiebig, Kristin Reichelt
  • Patent number: 9865846
    Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: January 9, 2018
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Takanori Yamashita, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama, Youichi Mochizuki
  • Patent number: 9249289
    Abstract: Extruded or molded profiles comprising a polyolefin composition consisting of 85% by weight or more of a copolymer of 1-butene with ethylene (A) having an ethylene copolymerized content up to 18% by mol, and having Mw/Mn lower than 3, hardness shore A (measured according to ISO 868) lower than 90, no melting point (TmII) detectable at the DSC after cancelling the thermal history, melting enthalpy (?Hf), measured by DSC after 10 days of aging at room temperature, comprised between 4 and 15 J/g; and up to 15% by weight of a propylene copolymer or a composition of copolymers of propylene (B) having a melting point from about 126° C. to 200° C., isotactic index greater than 90%.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: February 2, 2016
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Paolo Ferrari, Luca Lunghi, Roberta Marchini, Stefano Spataro, Giampaolo Pellegatti, Caroline Cathelin, Stefano Pasquali
  • Publication number: 20150141605
    Abstract: Processes for forming propylene from methanol are disclosed. The processes involve converting methanol to a product mixture comprising ethylene and propylene, separating the ethylene from the propylene, dimerizing a first portion of the ethylene to form a product mixture comprising 1-butylene, isomerizing the 1-butylene to form a mixture of cis and trans 2-butylene, and performing olefin metathesis on a second portion of the ethylene and the mixture of cis and trans 2-butylene. In one embodiment, the methanol is produced by converting syngas to methanol, and in one aspect of this embodiment, the syngas, or a portion thereof, is produced from renewable feedstocks. In this aspect, renewable propylene is produced. The propylene can be polymerized to form polypropylene or co- or terpolymers thereof, and when the propylene is made from renewable resources, the resulting polymer is a renewable polymer.
    Type: Application
    Filed: May 3, 2013
    Publication date: May 21, 2015
    Inventor: David Bradin
  • Patent number: 9034991
    Abstract: A polymer reactor-blend comprising at least a first component having a polydispersity index of greater than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer wherein a molecular weight distribution of the second component lies within a molecular weight distribution of the first component.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: May 19, 2015
    Assignee: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Mark L. Hlavinka, Qing Yang, William B. Beaulieu, Paul J. Deslauriers
  • Publication number: 20150133575
    Abstract: The invention relates to a process for the production of polyethylene. The polymerisation takes place in the presence of a catalyst system comprising a hydrocarbon solution containing 1) a dialkoxy magnesium compound and 2) an organic oxygen containing titanium compound further comprising an inorganic oxide support and an activator.
    Type: Application
    Filed: April 22, 2013
    Publication date: May 14, 2015
    Inventors: Nicolaas Hendrika Friederichs, Remy Peter Theresia Smeets, Matthijs van Kessel
  • Patent number: 9006367
    Abstract: Disclosed herein are broad molecular weight distribution olefin polymers having densities in the 0.895 to 0.930 g/cm3 range, and with improved impact and tear resistance. These polymers can have a ratio of Mw/Mn in the 8 to 35 range, a high load melt index in the 4 to 50 range, less than about 0.008 LCB per 1000 total carbon atoms, and a reverse comonomer distribution.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: April 14, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Ashish M. Sukhadia, Errun Ding, Chung Ching Tso, Albert P. Masino, Qing Yang, Lloyd W. Guatney, Guylaine St. Jean, Daniel G. Hert
  • Patent number: 9000115
    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: Grant
    Filed: January 26, 2012
    Date of Patent: April 7, 2015
    Assignee: LG Chem, Ltd.
    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: 8993693
    Abstract: A Ziegler-Natta catalyzed ethylene copolymer having a novel composition distribution in which comonomers are incorporated into the high molecular weight polymer molecules and distributed evenly among the entire polyethylene chains, and a method for making the same are provided. The resins having a novel composition distribution have controlled molecular weight distribution which is narrower than conventional ZN-ethylene copolymers but broader than single-site catalyzed ethylene copolymers. The resins having a novel composition distribution exhibit a superior tear strength and impact strength.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: March 31, 2015
    Assignee: Formosa Plastics Corporation
    Inventors: Honglan Lu, Guangxue Xu
  • Publication number: 20150087770
    Abstract: A propylene, ethylene, 1-butene terpolymer containing from 0.5 wt % to 2.2 wt % of ethylene derived units and from 6.0 wt % to 20.0 wt % of 1 butene derived units; wherein: i) the ratio C2 wt %/C4 wt % ranges from 0.09 to 0.06; wherein C2 wt % is the weight per cent of ethylene derived units and C4 wt % is the weight per cent of 1-butene derived units; ii) the Melt flow rate ranges from 0.4 to 54 g/10 min; iii) the xylene soluble fraction at 25° C. is lower than 15.0 wt % the minimum value being 5.0 wt %.
    Type: Application
    Filed: May 21, 2013
    Publication date: March 26, 2015
    Applicant: Basell Poliolefine Italia S.r.l.
    Inventors: Roberta Marzolla, Monica Galvan, Tiziana Caputo
  • Publication number: 20150075616
    Abstract: An encapsulating material for solar cell of the invention contains an ethylene/?-olefin copolymer, and a content of a fluorine element in the ethylene/?-olefin copolymer, which is determined using a combustion method and an ion chromatograph method, is equal to or less than 30 ppm.
    Type: Application
    Filed: March 13, 2013
    Publication date: March 19, 2015
    Inventors: Shigenobu Ikenaga, Fumito Takeuchi, Tomoaki Ito
  • Patent number: 8980994
    Abstract: The present invention relates to elastic film formulations that have surprisingly high tensile strengths in addition to good viscosity stability and are based on a blend of two styrene block copolymers, namely, styrene-isoprene/butadiene-styrene and styrene-butadiene-styrene. The blend of these two styrenic block copolymers in the range set forth and described herein yield high tensile strength that is at least 50% higher than that of the prior art based styrenic block copolymers and have good viscosity stability. Moreover, the present invention relates to a blend of two different styrene block copolymers that can be made by dry blending the block copolymer components. Then the blend can be extruded into uncross-linked film, fiber, or plurality of fibers.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: March 17, 2015
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Kathryn J. Wright, Oomman P. Thomas
  • Patent number: 8981028
    Abstract: Copolymers, especially multi-block copolymer containing therein two or more segments or blocks differing in tacticity, are prepared by polymerizing propylene, 4-methyl-1-pentene, or another C4-8 ?-olefin in the presence of a composition comprising 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 tacticity from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: March 17, 2015
    Assignee: Dow Global Technologies LLC
    Inventor: Phillip D. Hustad
  • Patent number: 8969495
    Abstract: The present invention relates to compositions and processes of making ethylene/?-olefins. More particularly, the invention relates to processes of producing ethylene/?-olefin compositions having a controlled molecular weight distribution. The molecular weight distribution is controlled, for example, by controlling the relative monomer concentrations during contact with a pre-catalyst and/or using a catalyst comprising a catalytic amount of a molecule having the structure: wherein M=group 2-8 metal, preferably group 4 as a neutral or charged moiety; Y=any substituent including fused rings; L=any ligating group, especially a pyridyl or pyridylamide; X=alkyl, aryl, substituted alkyl, H or hydride, halide, or other anionic moiety; y=an integer from 0 to the complete valence of M; R=alkyl, aryl, haloalkyl, haloaryl, hydrogen, etc; x=1-6, especially 2; Dashed line=optional bond, especially a weak bond; and X and (CR2)x may be tethered or part of a ring.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: March 3, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Phillip D. Hustad, Roger L. Kuhlman, Robert D. J. Froese, Timothy T. Wenzel, Joseph N. Coalter, III
  • Publication number: 20150056548
    Abstract: Provided are a propylene-based polymer useful for providing a toner that is excellent in offset resistance, can be fixed by using a low-temperature heating element and hardly has stickiness even after stored for a long period of time; and a toner including said propylene-based polymer. The present invention is directed to a propylene/?-olefin copolymer (A) which includes 60 to 90 mol % of structural units derived from propylene (a) and 10 to 40 mol % of structural units derived from ?-olefins having 4 or more carbon atom (b) wherein (a)+(b)=100 mol % and which satisfies: (i) a weight average molecular weight (Mw) as measured by GPC of 3,000 to 40, 000; (ii) a melting point (Tm) as measured by DSC of 60 to 90° C.; and (iii) a half width of a crystalline melting point peak as measured by DSC of 1 to 20° C.
    Type: Application
    Filed: March 22, 2013
    Publication date: February 26, 2015
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Kuniaki Kawabe, Hirotaka Kanaya, Toshiyuki Ito, Kan Komiya
  • Publication number: 20150051364
    Abstract: A multimodal ethylene copolymer with a density of at least 940 kg/m3 having an MFR21 in the range of 1 to 30 g/10 min and a Fmax/?1 ratio of less than 60 cN/s; said ethylene copolymer comprising at least three components (I) an ethylene and optionally at least one C3-20 alpha olefin comonomer component forming 30 to 60 wt % of said ethylene copolymer; (II) an ethylene and optionally at least one C3-20 alpha olefin comonomer second component forming 30 to 60 wt % of said ethylene copolymer: and (III) an ethylene and optionally at least one C3-20 alpha olefin comonomer third component forming 3 to 20 wt % of said ethylene copolymer; wherein at least one of components (II) or (III) is a copolymer.
    Type: Application
    Filed: March 28, 2013
    Publication date: February 19, 2015
    Applicant: BOREALIS AG
    Inventors: Markku Vahteri, Antti Tyns, Erik Eriksson, Magnus Palmlöf
  • Patent number: 8927671
    Abstract: The present invention relates to an ethylene-?-olefin copolymer satisfying the following requirements (A) to (E): (A) the MFR is 0.1 to 50 g/10 min., (B) the density is 860 to 970 kg/m3, (C) the Mz/Mw is from 3.0 to 6.0, (D) the fraction having a molecular weight of 106.5 g/mol of the ethylene-?-olefin copolymer has a branching index g? of 0.26 or more, and (E) the Ea is 60 to 90 kJ/mol.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: January 6, 2015
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Jumma Nomura, Masato Takano, Yoshinobu Nozue
  • Publication number: 20150005462
    Abstract: A gas-phase polyolefin reactor system for rapidly transitioning from one polyolefin product to another is disclosed. The reactor system comprises a steady-state control valve, a high-flow valve, a polyolefin reactor, a flow meter, a totalizer, an online analyzer and an empirical model. During a transition, the on-line analyzer measures an initial concentration of a reaction component, the empirical model predicts a required amount based upon the measured initial concentration and a selected ending concentration, the flow meter measures a flow rate, the totalizer determines a totalized amount when the flow rate of the first stream reaches the required amount based upon the measured flow rate and outputs the totalized amount to the empirical model, and the empirical model compares the required amount to the totalized amount and determines a transition endpoint. A method of rapidly transitioning the reactor system from one polyolefin product to another is also disclosed.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 1, 2015
    Applicant: Ineos USA, LLC
    Inventors: Gregory Dudish, Ernest Chan
  • Patent number: 8889200
    Abstract: A chewing gum contains a water-insoluble gum base portion containing a polyolefin thermoplastic elastomer; a water-soluble bulk portion; and at least one flavor component, which is cud-forming and chewable at mouth temperature.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: November 18, 2014
    Assignee: Wm. Wrigley Jr. Company
    Inventors: Chungsea Shen, Joo H. Song, Bruno Padovani, David W. Record
  • Patent number: 8877880
    Abstract: The invention relates to a method for controlling properties of a polyolefin. More particularly, the invention relates to a method for controlling certain properties of an ethylene-butene copolymer and compositions thereof using isobutylene and/or other C4 components.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: November 4, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Michael C. Bulawa, Periagaram S. Ravishankar, Anthony J. Dias
  • Patent number: 8865849
    Abstract: This invention relates to a process for polymerizing olefins in which the amount of trimethylaluminum in a methylalumoxane solution is adjusted to be from 1 to 25 mol %, prior to use as an activator, where the mol % trimethylaluminum is determined by 1H NMR of the solution prior to combination with any support. This invention also relates to a process for polymerizing olefins in which the amount of an unknown species present in a methylalumoxane solution is adjusted to be from 0.10 to 0.65 integration units prior to use as an activator, where the amount of the unknown species is determined by the 1H NMR spectra of the solution performed prior to combination with any support. Preferably, the methylalumoxane solution is present in a catalyst system also comprising a metallocene transition metal compound.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: October 21, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, David M. Fiscus
  • Patent number: 8846991
    Abstract: The subject invention pertains to homogeneous liquid low molecular weight ethylene/alpha-olefin polymers having a number average molecular weight (Mn) as determined by gel permeation chromatography, of less than 25,000, a total crystallinity, as measured by DSC, of less than 10%, and a pour point, as measured by ASTM D97, of less than 50° C. The subject invention also pertains to homogeneous gel-like low molecular weight ethylene/alpha-olefin polymers having a number average molecular weight (Mn) as determined by gel permeation chromatography, of less than 25,000, a total crystallinity, as measured by DSC, of less than 50%, and a pour point, as measured by ASTM D97, of less than 90° C.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: September 30, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Selim Yalvac, Thomas Karjala, Daniel D. VanderLende, Brian W. Kolthammer, James C. Stevens, Charles F. Diehl
  • Patent number: 8846820
    Abstract: The present invention relates to an activated silane compound obtained by reacting a hydrocarbyloxysilane compound with an organic metal compound in an organic solvent, and enhancing interaction of silica with carbon black and improving the fracture characteristic, the abrasion resistance and the low heating property provide an activated silane compound which can be reduced in a blending amount, a rubber composition prepared by blending it as a silane coupling agent and a pneumatic tire prepared by using the above rubber composition, which is excellent in a durability, a low heating property and the like.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: September 30, 2014
    Assignee: Bridgestone Corporation
    Inventors: Tetsuya Omara, Kouichi Morita, Uchu Mukai
  • Patent number: 8846841
    Abstract: The present invention provides a polymerization process utilizing a dual ansa-metallocene catalyst system. Polymers produced from the polymerization process are also provided, and these polymers have a reverse comonomer distribution, a non-bimodal molecular weight distribution, a ratio of Mw/Mn from about 3 to about 8, and a ratio of Mz/Mw from about 3 to about 6.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: September 30, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Qing Yang, Max P. McDaniel, William B. Beaulieu, Joel L. Martin, Tony R. Crain
  • Patent number: 8841397
    Abstract: This invention relates to higher olefin vinyl terminated polymers having an Mn of at least 200 g/mol (measured by 1H NMR) including of one or more C4 to C40 higher olefin derived units, where the higher olefin vinyl terminated polymer comprises substantially no propylene derived units; and wherein the higher olefin polymer has at least 5% allyl chain ends and processes for the production thereof. These vinyl terminated higher olefin polymers may optionally include ethylene derived units.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: September 23, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Charles J. Ruff, Donna J. Crowther, John R. Hagadorn, Patrick Brant
  • Patent number: 8841398
    Abstract: The present invention provides a process for producing an ?-olefin polymer comprising polymerizing or copolymerizing (a) C3 or higher ?-olefin(s) in the presence of an olefin polymerization catalyst comprising solid titanium catalyst component (I) containing titanium, magnesium, halogen, and a compound with a specific structure having two or more ether linkages and organometallic catalyst component (II) with high catalytic activity. In this process, particularly even in (co)polymerizing (a) higher olefin(s), demineralization is unnecessary. A 4-methyl-1-pentene-based polymer obtained by polymerization using the catalyst of the present invention is excellent in tacticity, transparency, heat resistance, and releasability, and the polymer is particularly suitable for a release film.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: September 23, 2014
    Assignee: Mitsui Chemicals, Inc.
    Inventor: Tooru Tanaka
  • Patent number: 8841394
    Abstract: This invention relates to a vinyl terminated higher olefin copolymer having an Mn of 300 g/mol or more (measured by 1H NMR) comprising: (i) from about 20 to about 99.9 mol % of at least one C5 to C40 higher olefin monomer; and (ii) from about 0.1 to about 80 mol % of propylene; wherein the higher olefin copolymer has at least 40% allyl chain ends. The copolymer may also have an isobutyl chain end to allyl chain end ratio of less than 0.7:1 and/or an allyl chain end to vinylidene chain end ratio of greater than 2:1.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: September 23, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Matthew W. Holtcamp, John R. Hagadorn, Charles J. Ruff, George Rodriguez, Patrick Brant
  • Publication number: 20140275426
    Abstract: A polymer suitable for use in a thin film hinge (living hinge) comprising from about 0.1 to about 5 weight % of a C4-8 comonomer and the balance ethylene, said composition having a density as determined according to ASTM D 792 from about 0.945 to about 0.965 g/cm3; a melt index as determined according to ASTM D1238 (2.16 kg/190° C.) from about 10 to about 20 g/10 min; a weight average molecular weight (Mw) from about 45,000 to about 55,000 g/mol; a polydispersity from about 2.5 to about 3.1 and when molded into a strip having a length of about 13 cm and gross thickness from about 50 to about 70 mil (about 1 to about 2 mm) and completely bent over end to end four times to create a thinned region or crease having a thickness from about 15 to about 30 mil (about 0.3 to about 0.7 mm) tested by bending and releasing the deformed thinned region of the strip through a radius of curvature from about 180 to about 190° about a rounded plate goes through not less than 500 cycles without breaking.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Applicant: NOVA Chemicals (International) S.A.
    Inventors: Jason Michael Rycroft, Gilbert Alexander Arnould, Matthew Zaki Botros, Mark Rejman
  • Patent number: 8835588
    Abstract: The present invention provides dual catalyst systems containing a metallocene catalyst and a hydrogen scavenging catalyst, and polymerization processes employing these dual catalyst systems. Due to a reduction in hydrogen levels in the polymerization processes, olefin polymers produced from these polymerization processes may have a higher molecular weight, a lower melt index, and higher levels of unsaturation.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: September 16, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Rex E. Murray, William B. Beaulieu, Qing Yang, Errun Ding, Gary L. Glass, Alan L. Solenberger, Steve J. Secora
  • Publication number: 20140256901
    Abstract: An ethylene alpha-olefin copolymer having (a) a density of from about 0.910 g/cc to about 0.940 g/cc; (b) a weight average molecular weight of from about 150,000 g/mol to about 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from about 0.01 dg/10 min. to about 0.5 dg/min.; wherein a 1 mil blown film formed from the polymer composition is characterized by (i) a Dart Impact strength greater than about 175 g/mil; (ii) an Elmendorf machine direction tear strength greater than about 20 g/mil; and (iii) an Elmendorf transverse direction tear strength greater than about 475 g/mil.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 11, 2014
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Ashish M. SUKHADIA, Guylaine ST. JEAN, Qing YANG, Max P. MCDANIEL
  • Patent number: 8829127
    Abstract: The invention relates to a continuous polymerization process for preparing a random ethylene interpolymer which comprises: (A) polymerizing ethylene, and an ?-olefin comonomer selected from propylene and/or 1-butene, and mixtures thereof, under continuous random polymerization conditions in the presence of single site catalyst system employing an ionic activator having cyclic ligands shielding a central charge bearing atom, at a temperature of 140° C. to 250° C. at a conversion of ethylene of 80 to 99% and a comonomer conversion of from at least 20%; and (B) devolatilizing the polymer to provide an ethylene copolymer having a density of from 0.85 to 0.92 g/cm3, an MI of from 0.01 to 100 g/10 min and an I21/I2 of from 30 to 400.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: September 9, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Narayanaswami Raja Dharmarajan, Rui Zhao, Bruce Allan Harrington, George James Pehlert, Periagaram S. Ravishankar, Kent L. Chasey
  • Patent number: 8809472
    Abstract: A method comprising contacting an olefin in the presence of a catalyst and a melt index modifier (MIM) under conditions suitable to form a polyolefin and recovering the polyolefin, wherein the polyolefin melt index is increased by at least about 25%, wherein the normalized catalyst activity is decreased by less than about 10%, and wherein the MIM is characterized by the general formula R1—HC?CH—R2 or R3R4C?CH2 where R1, R2, R3, R4 are each selected from the group consisting of a non-aromatic organyl group.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: August 19, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Elizabeth A. Benham, Charles R. Nease, Max P. McDaniel
  • Patent number: 8802768
    Abstract: A novel polymer composition is described comprising ethylene homopolymers and/or copolymers of ethylene with C3-C8-alpha-olefins which polymer composition has a density of from 0.940 to 0.949 g/cm3, a melt index (HLMI) according to DIN EN ISO 1133:2005, condition G at 190° C. and 21.6 kg, of from 3 to 7 g/10 min. and a Hostalen Long Chain Branching Index (HLCBI) of from 3 to 8, and which polymer composition is produced by polymerisation with one or more Ziegler catalysts in a series of at least two polymerization reactors. The new polymer composition can in particular be used for blow moulding of intermediate bulk containers.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: August 12, 2014
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Dotsch, Bernd Lothar Marczinke, Gerhardus Meier, Maclovio Herrera Salinas
  • Patent number: 8802795
    Abstract: Process for the preparation of a polyolefin polymer by continuously polymerizing one or more olefin monomers in suspension at temperatures of from 40° C. to 120° C. and pressures of from 0.1 to 10 MPa in the presence of a polymerization catalyst in at least one polymerization reactor, comprising a) withdrawing a suspension of solid polyolefin particles in a suspension medium from the polymerization reactor, wherein the suspension has a temperature of from 65° C. to 120° C.; b) feeding the suspension withdrawn from the polymerization reactor to a moderating vessel; c) keeping the suspension in the moderating vessel at a temperature of from 60° C. to 85° C. for a time sufficiently long that the mean residence time of the suspension in the moderating vessel is at least 5 min; d) withdrawing suspension from the moderating vessel; e) cooling the suspension withdrawn from the moderating vessel to a temperature of from 20° C. to 55° C.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: August 12, 2014
    Assignee: Basell Polyolefine GmbH
    Inventors: Gerhardus Meier, Reinhard Kuehl, Harald Prang, Michael Aulbach
  • Patent number: 8802797
    Abstract: Vinyl-terminated macromonomer oligomerization, namely, a process to produce polymacromonomers comprising contacting a vinyl-terminated macromonomer with a catalyst system capable of oligomerizing vinyl-terminated macromonomer, in the presence of an aluminum containing compound, a zinc containing compound, or a combination thereof, under polymerization conditions to produce a polymacromonomer, and polymacromonomers produced thereby. Also, polymacromonomers having a degree of polymerization greater than 10, a glass transition temperature Tg of less than 60° C., and an Mn of greater than or equal to about 5000 Da.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: August 12, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R Hagadorn, Patrick Brant, Robbert Duchateau, Rafael Sablong
  • Publication number: 20140213747
    Abstract: A polymer reactor-blend comprising at least a first component having a polydispersity index of greater than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer wherein a molecular weight distribution of the second component lies within a molecular weight distribution of the first component.
    Type: Application
    Filed: January 29, 2013
    Publication date: July 31, 2014
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Mark L. HLAVINKA, Qing YANG, William B. BEAULIEU, Paul J. DESLAURIERS
  • Patent number: 8772426
    Abstract: Copolymers of ethylene and ?-olefins having (a) a density (D) in the range 0.900-0.940 g/cm3, (b) a melt index MI2 (2.16 kg, 190° C.) in the range of 0.01-50 g/10 min, (c) a melt index MI2 (2.16 kg, 190° C.) and Dow Rheology Index (DRI) satisfying the equation [DRI/MI2]>2.65, and (d) a Dart Drop Impact (DDI) in g of a blown film having a thickness of 25 ?m produced from the copolymer satisfying the equation DDI?1900×{1?Exp [?750(D?0.908)2]}×{Exp [(0.919?D)/0.0045]}. The copolymers may be prepared using metallocene catalysis and are preferably prepared in multistage processes carried out in loop reactors in the slurry phase. The copolymers exhibit long chain branching as defined by Dow Rheology Index (DRI) and exhibit unexpected improvements in mechanical properties, in particular dart drop impact, when extruded into blown films.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: July 8, 2014
    Assignee: Ineos Manufacturing Belgium NV
    Inventors: Choon Kooi Chai, Luc Marie Ghislain Dheur, Benoit Koch, Stefan Klaus Spitzmesser
  • Patent number: 8765872
    Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: July 1, 2014
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kuniaki Kawabe, Masayoshi Sutou, Toshiyuki Itou, Mai Kurihara, Akinori Etoh, Shinichirou Asao, Kenji Sugimura, Hiroshi Hoya, Koji Matsunaga, Yoji Hayakawa, Kunihiko Mizumoto
  • Patent number: 8759460
    Abstract: New ethylene polymers having broad molecular weight distribution and long-chain branching, above all at high molecular weight fractions; the polymers have strain hardening equal or higher than 1.4 (at constant elongational rate of 0.5 s?1, at 150° C.), branching index g? equal or lower than 0.9 (at Mw of 2·106 g/mol). The polymers are prepared by using a mixed catalyst system comprising a polymerization catalyst based on a late transition metal component having a tridentate ligand, and a Ziegler polymerization catalyst annealed at a temperature higher than 100° C., for a time of at least 10 minutes.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: June 24, 2014
    Assignee: Bassell Polyolefine GmbH
    Inventors: Eleonora Ciaccia, Iakovos Vittorias, Shahram Mihan, Lenka Lukesova, Dieter Lilge, Maclovio Herrera Salinas, Gerhardus Meier, Gerd Mannebach
  • Patent number: 8759466
    Abstract: The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 24, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Choong-Hoon Lee, Byung-Kwon Lim, Eun-Jung Lee, Jong-Joo Ha, Seung-Whan Jung, Jung-A Lee, Ki-Su Ro, Don-Ho Kum, Dong-Kyu Park
  • Publication number: 20140171611
    Abstract: Process and apparatus for recovering polymer from a a gas phase reactor having a distribution plate via an outlet vessel comprising at least one apparatus for the breakup of polymeric agglomerates, the apparatus further comprising a feed pipe connecting the gas phase reactor and the outlet vessel a return gas line connecting the gas phase reactor and the outlet vessel, means for varying the flow rate through the return gas line from the outlet vessel to the gas phase reactor, and means for varying the outlet rate of polymer product from the outlet vessel.
    Type: Application
    Filed: November 16, 2012
    Publication date: June 19, 2014
    Applicant: BOREALIS AG
    Inventors: Klaus Nyfors, Jari Aarila, Jari Hatonen, Henrik Andtsjo, Eira Johansson, Mikko Lylykangas
  • Publication number: 20140163189
    Abstract: A method for manufacturing a polymer includes the steps of: (1) deciding an upper limit of a budget; (2) deciding an amount of a non-fossil resource-derived monomer and an amount of a fossil resource-derived monomer such that utility is optimized in a range where a cost does not exceed the upper limit, by using a function that includes a total monomer amount and a utility index of the non-fossil resource-derived monomer as constants and includes the amount of the non-fossil resource-derived monomer and the amount of the fossil resource-derived monomer as variables; and (3) polymerizing the non-fossil resource-derived monomer and the fossil resource-derived monomer.
    Type: Application
    Filed: September 20, 2013
    Publication date: June 12, 2014
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Yuka YOKOYAMA, Masafumi YOSHINO
  • Patent number: 8748522
    Abstract: A process for the polymerization of one or more olefins under solution polymerization conditions to produce a polymeric solution, said process comprising contacting the produced polymeric solution with one or more antioxidant compounds before or concurrently with subjecting the polymeric solution to a devolatilization step to separate the polymer from the unreacted monomers.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: June 10, 2014
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Stefano Spataro, Pier Luigi Di Federico, Giampaolo Pellegatti
  • Patent number: 8742049
    Abstract: The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution polymerization process using an activated catalyst composition containing a Group 4 transition metal compound having a monocyclopentadienyl ligand, to which a quinoline amino group is introduced.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 3, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Choong-Hoon Lee, Byung-Kwon Lim, Eun-Jung Lee, Jong-Joo Ha, Seung-Whan Jung, Jung-A Lee, Ki-Su Ro, Don-Ho Kum, Dong-Kyu Park
  • Publication number: 20140145376
    Abstract: A process for homogenizing and pelletizing a polyethylene composition comprising the steps of a) providing a polyethylene composition having a density of from 0.90 g/cm3 to 0.97 g/cm3 and a melt flow rate MFR21.6 at 190° C. under a load of 21.6 kg of from 1 g/10 min to 80 g/10 min, b) melting the polyethylene composition; c) passing the melt through a combination of screens consisting of screens having a mesh opening of at least 205 ?m and comprising at least two screens having a mesh opening of from 205 ?m to 350 ?m; and e) pelletizing the molten polyethylene composition, the use of a polyethylene composition obtained by such a process for the preparation of films, fibers, pipes, blow-molded articles, injection-molded articles, compression-molded articles or rotomolded articles and films, fibers, pipes, blow-molded articles, injection-molded articles, compression-molded articles or rotomolded articles prepared from a polyethylene composition obtained by such a process.
    Type: Application
    Filed: May 8, 2012
    Publication date: May 29, 2014
    Applicant: Basell Polyolefine GmbH
    Inventors: Gerhardus Meier, Ulf Schueller, Jens Wiesecke, Decio Malucelli, Marco Consalvi
  • Patent number: 8735519
    Abstract: The invention is directed to a metallocene catalyst system and a process for preparing the system. The metallocene catalyst system comprises a support and metallocene bound substantially throughout the support. The selection of certain supports facilitates the production of metallocene catalyst systems having increased catalytic activity than previously recognized.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: May 27, 2014
    Assignee: Fina Technology, Inc.
    Inventors: Jun Tian, William Gauthier, David Rauscher, Shady Henry
  • Patent number: 8722818
    Abstract: Described herein are methods for monitoring and restoring electrical properties of polymerization reactor wall films. The method may comprise using a reactor wall monitor to monitor and determine an electrical property, such as the bed voltage or breakdown voltage, of the wall film. The method may further comprise adding continuity additive to the reactor and/or adjusting the feed rate of continuity additive being added to the reactor in response to the measured electrical property.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: May 13, 2014
    Assignee: Univation Technologies, LLC
    Inventors: Eric J. Markel, William A. Lamberti, Harry W. Deckman
  • Patent number: 8722832
    Abstract: A copolymer of ethylene, a catalyst system suitable to prepare the copolymer, and a process to prepare such copolymer are described. The copolymer comprises from 60 to 80% by weight of ethylene and from 20 to 40% by weight of at least one first ?-olefin comonomer having n carbon atoms and at least one second ?-olefin comonomer having (n?1) carbon atoms, n being from 4 to 13, has a polydispersity Mw/Mn equal to or lower than 3.5, and a density from 0.855 to 0.880 g/cm3. The copolymer is obtained by subjecting ethylene and said at least one first ?-olefin comonomer to a polymerization stage in the presence of a catalyst system capable of forming a copolymer of ethylene and said at least one first ?-olefin comonomer having n carbon atoms, while forming the second ?-olefin comonomer having (n?1) carbon atoms.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: May 13, 2014
    Assignee: Basell Polyolefine GmbH
    Inventors: Fabiana Fantinel, Shahram Mihan, Isabella Camurati
  • Publication number: 20140088261
    Abstract: This invention relates to a polyolefin composition comprising one or more of the following formulae: wherein the PO is the residual portion of a vinyl terminated macromonomer (VTM) having had a terminal unsaturated carbon of an allylic chain and a vinyl carbon adjacent to the terminal unsaturated carbon; and wherein the VTM is preferably a vinyl terminated polymer having greater than 30% allyl chain ends with an Mn of greater than 10,000.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 27, 2014
    Inventors: Donna J. Crowther, Patrick Brant