DK0946611T3 - Fremstilling af polyethylen med bimodal molekylvægtfordeling - Google Patents

Fremstilling af polyethylen med bimodal molekylvægtfordeling

Info

Publication number
DK0946611T3
DK0946611T3 DK97953880T DK97953880T DK0946611T3 DK 0946611 T3 DK0946611 T3 DK 0946611T3 DK 97953880 T DK97953880 T DK 97953880T DK 97953880 T DK97953880 T DK 97953880T DK 0946611 T3 DK0946611 T3 DK 0946611T3
Authority
DK
Denmark
Prior art keywords
chromium
molecular weight
weight distribution
catalyst
around
Prior art date
Application number
DK97953880T
Other languages
English (en)
Inventor
Guy Debras
Philippe Bodart
Original Assignee
Fina Research
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
Application filed by Fina Research filed Critical Fina Research
Application granted granted Critical
Publication of DK0946611T3 publication Critical patent/DK0946611T3/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
    • 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
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
DK97953880T 1996-12-20 1997-12-19 Fremstilling af polyethylen med bimodal molekylvægtfordeling DK0946611T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96120697A EP0849294A1 (en) 1996-12-20 1996-12-20 Production of polyethylene having a broad molecular weight distribution
PCT/EP1997/007178 WO1998028348A1 (en) 1996-12-20 1997-12-19 Production of polyethylene having a bimodal molecular weight distribution

Publications (1)

Publication Number Publication Date
DK0946611T3 true DK0946611T3 (da) 2001-07-09

Family

ID=8223538

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97953880T DK0946611T3 (da) 1996-12-20 1997-12-19 Fremstilling af polyethylen med bimodal molekylvægtfordeling

Country Status (9)

Country Link
US (2) US6417131B1 (da)
EP (2) EP0849294A1 (da)
JP (1) JP2001506695A (da)
AT (1) ATE200297T1 (da)
DE (1) DE69704501T2 (da)
DK (1) DK0946611T3 (da)
ES (1) ES2157610T3 (da)
PT (1) PT946611E (da)
WO (1) WO1998028348A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0849294A1 (en) * 1996-12-20 1998-06-24 Fina Research S.A. Production of polyethylene having a broad molecular weight distribution
US7943700B2 (en) * 2002-10-01 2011-05-17 Exxonmobil Chemical Patents Inc. Enhanced ESCR of HDPE resins
GB0720983D0 (en) 2007-10-26 2007-12-05 Ineos Silicas Ltd Catalyst particles their preparation and use

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1745495A1 (de) * 1967-01-31 1971-09-30 Union Carbide Corp Verfahren zur Herstellung eines Katalysatorkomplexes,insbesondere zur Herstellung von Polyaethylen
US4025707A (en) * 1974-03-28 1977-05-24 Phillips Petroleum Company Mixed hydrocarbyloxide treated catalyst activated at different temperatures
US4276399A (en) * 1978-11-17 1981-06-30 National Petro Chemicals Corp. Supported catalyst from chromium for olefin polymerization
DE3329016A1 (de) * 1983-08-11 1985-02-28 Basf Ag, 6700 Ludwigshafen Verfahren zum herstellen von polymerisaten des ethylens mittels eines kieselsaeure-xerogel/chromtrioxid-katalysators
JPH02105806A (ja) * 1988-10-13 1990-04-18 Nippon Oil Co Ltd エチレン重合体の製造方法
US5237025A (en) 1990-10-09 1993-08-17 Phillips Petroleum Company Process for making bimodal polyolefins using two independent particulate catalysts
EP0611378B1 (en) * 1991-11-04 1998-12-16 CHEVRON U.S.A. Inc. Olefin polymerization using an aluminoxane/chromium catalyst
EP0849294A1 (en) * 1996-12-20 1998-06-24 Fina Research S.A. Production of polyethylene having a broad molecular weight distribution

Also Published As

Publication number Publication date
US20020147285A1 (en) 2002-10-10
ES2157610T3 (es) 2001-08-16
WO1998028348A1 (en) 1998-07-02
EP0946611A1 (en) 1999-10-06
EP0849294A1 (en) 1998-06-24
ATE200297T1 (de) 2001-04-15
JP2001506695A (ja) 2001-05-22
PT946611E (pt) 2001-09-28
DE69704501D1 (de) 2001-05-10
DE69704501T2 (de) 2002-03-28
EP0946611B1 (en) 2001-04-04
US6417131B1 (en) 2002-07-09

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