DK0447035T3 - Fremgangsmåde til fremstilling af ethylenpolymersammensætninger - Google Patents

Fremgangsmåde til fremstilling af ethylenpolymersammensætninger

Info

Publication number
DK0447035T3
DK0447035T3 DK91301167.2T DK91301167T DK0447035T3 DK 0447035 T3 DK0447035 T3 DK 0447035T3 DK 91301167 T DK91301167 T DK 91301167T DK 0447035 T3 DK0447035 T3 DK 0447035T3
Authority
DK
Denmark
Prior art keywords
ethylene
äiiiü
carried out
ethylene copolymer
olefin
Prior art date
Application number
DK91301167.2T
Other languages
Danish (da)
English (en)
Inventor
Toshiyuki Tsutsui
Takashi Ueda
Original Assignee
Mitsui Petrochemical Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26370610&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0447035(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP3209390A external-priority patent/JP2781245B2/ja
Priority claimed from JP3209290A external-priority patent/JP2781244B2/ja
Application filed by Mitsui Petrochemical Ind filed Critical Mitsui Petrochemical Ind
Application granted granted Critical
Publication of DK0447035T3 publication Critical patent/DK0447035T3/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
    • C08F297/08Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943Polymerization with metallocene catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
DK91301167.2T 1990-02-13 1991-02-13 Fremgangsmåde til fremstilling af ethylenpolymersammensætninger DK0447035T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3209390A JP2781245B2 (ja) 1990-02-13 1990-02-13 エチレン系重合体組成物の製造方法
JP3209290A JP2781244B2 (ja) 1990-02-13 1990-02-13 エチレン系重合体組成物の製造方法

Publications (1)

Publication Number Publication Date
DK0447035T3 true DK0447035T3 (da) 1997-06-16

Family

ID=26370610

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91301167.2T DK0447035T3 (da) 1990-02-13 1991-02-13 Fremgangsmåde til fremstilling af ethylenpolymersammensætninger

Country Status (13)

Country Link
US (1) US5605969A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (2) EP0447035B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (2) KR940010792B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (2) CN1077901C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (2) ATE173278T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2036196C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE69123862T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK0447035T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2098318T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GR (1) GR3022413T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MY (1) MY105398A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SG (1) SG55752A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW206240B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2060019A1 (en) * 1991-03-04 1992-09-05 Phil Marvin Stricklen Process for producing polyolefins having a bimodal molecular weight distribution
US6316549B1 (en) 1991-10-15 2001-11-13 The Dow Chemical Company Ethylene polymer fiber made from ethylene polymer blends
US5677383A (en) * 1991-10-15 1997-10-14 The Dow Chemical Company Fabricated articles made from ethylene polymer blends
US5847053A (en) * 1991-10-15 1998-12-08 The Dow Chemical Company Ethylene polymer film made from ethylene polymer blends
US5475060A (en) * 1993-02-18 1995-12-12 Hoechst Ag Cycloolefin block copolymers and a process for their preparation
US5331057A (en) * 1992-02-22 1994-07-19 Hoechst Aktiengesellschaft Cycloolefin block copolymers and a process for their preparation
BE1005795A3 (fr) * 1992-05-13 1994-02-01 Solvay Procede de polymerisation d'olefines et (co)polymeres a blocs derives d'au moins une olefine.
JP3264332B2 (ja) * 1992-05-26 2002-03-11 出光興産株式会社 エチレン系重合体組成物の製造方法
JP3264333B2 (ja) * 1992-05-28 2002-03-11 出光興産株式会社 エチレン系重合体組成物の製造方法
US6774190B1 (en) 1992-06-17 2004-08-10 Mitsui Chemicals, Inc. Ethylene copolymer composition
DE69329313T3 (de) * 1992-06-17 2008-07-31 Mitsui Chemicals, Inc. Ethylencopolymerzusammensetzung
JP3216734B2 (ja) * 1992-08-14 2001-10-09 出光石油化学株式会社 スチレン系重合体の製造方法
JPH06136195A (ja) * 1992-09-08 1994-05-17 Mitsui Petrochem Ind Ltd エチレン系共重合体組成物
ATE291059T1 (de) 1992-11-13 2005-04-15 Cryovac Inc Wärmeschrumpfbare, durch single-site-katalyse hergestellte copolymere enthaltende folien.
US5464905A (en) * 1992-11-19 1995-11-07 Mitsui Petrochemical Industries, Ltd. Ethylene/α-olefin copolymer composition, graft modified ethylene/α-olefin copolymer composition, ethylene copolymer composition, and multi-stage olefin polymerization process
CA2103401C (en) 1992-11-19 2002-12-17 Mamoru Takahashi Ethylene copolymer composition
CA2110654C (en) * 1992-12-17 2006-03-21 Albert Rossi Dilute process for the polymerization of ethylene/alpha-olefin copolymer using metallocene catalyst systems
US6448341B1 (en) 1993-01-29 2002-09-10 The Dow Chemical Company Ethylene interpolymer blend compositions
PL175108B1 (pl) * 1993-01-29 1998-11-30 Dow Chemical Co Sposób wytwarzania kompozycji interpolimerów etylen/alfa-olefina
IT1270253B (it) * 1994-06-20 1997-04-29 Spherilene Srl Copolimeri dell'etilene e procedimento per la preparazione di polimeri dell'etilene
US5792534A (en) 1994-10-21 1998-08-11 The Dow Chemical Company Polyolefin film exhibiting heat resistivity, low hexane extractives and controlled modulus
US5529965A (en) * 1994-10-28 1996-06-25 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
US6506866B2 (en) 1994-11-17 2003-01-14 Dow Global Technologies Inc. Ethylene copolymer compositions
US5770318A (en) * 1995-01-13 1998-06-23 Norton Performance Plastics Corporation Thermoplastic seal and wrapping film
US5840808A (en) * 1995-02-07 1998-11-24 Mitsui Petrochemical Industries, Ltd. Process for preparing olefin polymer
US5869575A (en) * 1995-08-02 1999-02-09 The Dow Chemical Company Ethylene interpolymerizations
CA2188722A1 (en) * 1995-10-26 1997-04-27 George Norris Foster Process for preparing an in situ polyethylene blend
ATE224929T1 (de) * 1996-01-22 2002-10-15 Dow Chemical Co Polyolefinelastomerzusammensetzungen mit verbesserten eigenschaften
NO301331B1 (no) * 1996-03-05 1997-10-13 Borealis As Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner
JPH09309926A (ja) 1996-05-17 1997-12-02 Dow Chem Co:The エチレン共重合体の製造方法
EP0816394B1 (en) * 1996-06-26 2002-01-30 BP Chemicals S.N.C. Process for polymerising ethylene in the gas phase
US5849823A (en) * 1996-09-04 1998-12-15 The Dow Chemical Company Homogeneously branched ethylene α-olefin interpolymer compositions for use in gasket applications
DE19652340A1 (de) * 1996-12-17 1998-06-18 Hoechst Ag Verfahren zur Herstellung von Cycloolefincopolymers
DE19652338A1 (de) * 1996-12-17 1998-06-18 Hoechst Ag Verfahren zur Herstellung eines Cycloolefincopolymers
EP0881237A1 (en) * 1997-05-26 1998-12-02 Fina Research S.A. Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones
EP0905146B1 (en) * 1997-09-27 2002-10-09 ATOFINA Research Production of polyethylene having improved crack and/or impact resistance
EP0905145A1 (en) * 1997-09-27 1999-03-31 Fina Research S.A. Production of polyethylene having improved crack resistance
FI990003A7 (fi) 1999-01-04 2000-07-05 Borealis Polymers Oy Polymeerikoostumus, menetelmä sen valmistamiseksi ja siitä valmistetut kalvot
SG97919A1 (en) 1999-08-31 2003-08-20 Sumitomo Chemical Co Ethylene-alpha-olefin copolymer and polyethylene composition
US6455638B2 (en) 2000-05-11 2002-09-24 Dupont Dow Elastomers L.L.C. Ethylene/α-olefin polymer blends comprising components with differing ethylene contents
FR2823755B1 (fr) * 2001-04-23 2008-05-16 Mitsui Chemicals Inc Procede de preparation de compositions de polymeres d'ethylene, prticules de composition de polymeres d'ethylene et film obtenu a partir de ces particules de composition de polymeres d'ethylene
US20080145402A1 (en) * 2001-09-10 2008-06-19 Abbott Cardiovascular Systems Inc. Medical Devices Containing Rapamycin Analogs
US7396881B2 (en) * 2002-10-01 2008-07-08 Exxonmobil Chemical Patents Inc. Polyethylene compositions for rotational molding
AU2003283960A1 (en) * 2002-10-01 2004-04-23 Exxonmobil Chemical Patents Inc. Polyethylene compositions for injection molding
US7396878B2 (en) * 2002-10-01 2008-07-08 Exxonmobil Chemical Patents Inc. Polyethylene compositions for injection molding
US7943700B2 (en) * 2002-10-01 2011-05-17 Exxonmobil Chemical Patents Inc. Enhanced ESCR of HDPE resins
US7550528B2 (en) * 2002-10-15 2009-06-23 Exxonmobil Chemical Patents Inc. Functionalized olefin polymers
US7700707B2 (en) 2002-10-15 2010-04-20 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
US7223822B2 (en) * 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
US7541402B2 (en) * 2002-10-15 2009-06-02 Exxonmobil Chemical Patents Inc. Blend functionalized polyolefin adhesive
AU2003302033A1 (en) 2002-10-15 2004-06-15 Exxonmobil Chemical Patents Inc. Multiple catalyst system for olefin polymerization and polymers produced therefrom
EP1496068A1 (en) * 2003-07-09 2005-01-12 Total Petrochemicals Research Feluy Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones.
US7488343B2 (en) * 2003-09-16 2009-02-10 Boston Scientific Scimed, Inc. Medical devices
WO2006019147A1 (ja) * 2004-08-16 2006-02-23 Mitsui Chemicals, Inc. エチレン系重合体及びその用途
US20060198869A1 (en) * 2005-03-03 2006-09-07 Icon Medical Corp. Bioabsorable medical devices
EP2518091B1 (en) * 2006-07-25 2014-01-15 Mitsui Chemicals, Inc. Ethylene polymer particles, production method thereof and molded article using the same
WO2011147574A2 (en) * 2010-05-28 2011-12-01 Basell Polyolefine Gmbh Polyethylene composition and method for obtaining same
CA2724943A1 (en) 2010-12-10 2012-06-10 Nova Chemicals Corporation Catalyst activation in a dual reactor process
EP2486913A1 (en) 2011-02-14 2012-08-15 Labtec GmbH Rapidly disintegrating oral film formulation for Olanzapin
CA2868640C (en) 2014-10-21 2021-10-26 Nova Chemicals Corporation Solution polymerization process
EP3209722B1 (en) 2014-10-21 2025-07-16 Nova Chemicals (International) S.A. Ethylene interpolymer product with dilution index
US10329412B2 (en) 2017-02-16 2019-06-25 Nova Chemicals (International) S.A. Caps and closures
WO2019198694A1 (ja) 2018-04-11 2019-10-17 三井化学株式会社 4-メチル-1-ペンテン系重合体粒子および4-メチル-1-ペンテン系樹脂の製造方法
US10882987B2 (en) 2019-01-09 2021-01-05 Nova Chemicals (International) S.A. Ethylene interpolymer products having intermediate branching
US11028258B2 (en) * 2019-08-19 2021-06-08 Chevron Phillips Chemical Company Lp Metallocene catalyst system for producing LLDPE copolymers with tear resistance and low haze
CN111063859B (zh) * 2019-12-19 2025-06-10 北方奥钛纳米技术有限公司 锂离子电池正极材料混料方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610506A (en) * 1979-07-09 1981-02-03 Mitsui Petrochem Ind Ltd Production of ethylene polymer composition
US4438238A (en) * 1981-01-30 1984-03-20 Sumitomo Chemical Company, Limited Low density copolymer composition of two ethylene-α-olefin copolymers
US4937299A (en) * 1983-06-06 1990-06-26 Exxon Research & Engineering Company Process and catalyst for producing reactor blend polyolefins
US4935474A (en) * 1983-06-06 1990-06-19 Exxon Research & Engineering Company Process and catalyst for producing polyethylene having a broad molecular weight distribution
US4939217A (en) * 1987-04-03 1990-07-03 Phillips Petroleum Company Process for producing polyolefins and polyolefin catalysts
EP0314797B1 (en) * 1987-04-20 1997-07-02 Mitsui Petrochemical Industries, Ltd. Olefin polymerization catalyst and process for polymerizing olefin
FI902679A0 (fi) * 1988-09-30 1990-05-29 Exxon Chemical Patents Inc Lineaera etylenkopolymerer av kopolymerer med smal molekylvikt- och kompositionsdistribution.
US5382630A (en) * 1988-09-30 1995-01-17 Exxon Chemical Patents Inc. Linear ethylene interpolymer blends of interpolymers having narrow molecular weight and composition distribution

Also Published As

Publication number Publication date
CN1247874A (zh) 2000-03-22
GR3022413T3 (en) 1997-04-30
CA2036196A1 (en) 1991-08-14
EP0447035A2 (en) 1991-09-18
EP0447035B1 (en) 1997-01-02
ES2098318T3 (es) 1997-05-01
CN1054084A (zh) 1991-08-28
KR940010793B1 (ko) 1994-11-16
EP0447035A3 (en) 1992-10-28
MY105398A (en) 1994-09-30
CA2036196C (en) 1999-06-08
EP0733653A3 (en) 1996-10-30
EP0733653B1 (en) 1998-11-11
DE69130490T2 (de) 1999-04-29
ATE147086T1 (de) 1997-01-15
CN1077901C (zh) 2002-01-16
DE69130490D1 (de) 1998-12-17
SG55752A1 (en) 2000-11-21
EP0733653A2 (en) 1996-09-25
ATE173278T1 (de) 1998-11-15
DE69123862D1 (de) 1997-02-13
CN1111174C (zh) 2003-06-11
KR910015645A (ko) 1991-09-30
US5605969A (en) 1997-02-25
TW206240B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-05-21
KR940010792B1 (ko) 1994-11-16
DE69123862T2 (de) 1997-05-28

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