DE69704501D1 - Herstellung von polyethylen mit bimodaler molekulargewichtsverteilung - Google Patents

Herstellung von polyethylen mit bimodaler molekulargewichtsverteilung

Info

Publication number
DE69704501D1
DE69704501D1 DE69704501T DE69704501T DE69704501D1 DE 69704501 D1 DE69704501 D1 DE 69704501D1 DE 69704501 T DE69704501 T DE 69704501T DE 69704501 T DE69704501 T DE 69704501T DE 69704501 D1 DE69704501 D1 DE 69704501D1
Authority
DE
Germany
Prior art keywords
chromium
molecular weight
weight distribution
catalyst
around
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69704501T
Other languages
English (en)
Other versions
DE69704501T2 (de
Inventor
Guy Debras
Philippe Bodart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Total Research and Technology Feluy SA
Original Assignee
Fina Research SA
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 SA filed Critical Fina Research SA
Publication of DE69704501D1 publication Critical patent/DE69704501D1/de
Application granted granted Critical
Publication of DE69704501T2 publication Critical patent/DE69704501T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements 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)
DE69704501T 1996-12-20 1997-12-19 Herstellung von polyethylen mit bimodaler molekulargewichtsverteilung Expired - Fee Related DE69704501T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96120697A EP0849294A1 (de) 1996-12-20 1996-12-20 Herstellung von Polyethylen mit breiter Molekulargewichtsverteilung
PCT/EP1997/007178 WO1998028348A1 (en) 1996-12-20 1997-12-19 Production of polyethylene having a bimodal molecular weight distribution

Publications (2)

Publication Number Publication Date
DE69704501D1 true DE69704501D1 (de) 2001-05-10
DE69704501T2 DE69704501T2 (de) 2002-03-28

Family

ID=8223538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69704501T Expired - Fee Related DE69704501T2 (de) 1996-12-20 1997-12-19 Herstellung von polyethylen mit bimodaler molekulargewichtsverteilung

Country Status (9)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0849294A1 (de) * 1996-12-20 1998-06-24 Fina Research S.A. Herstellung von Polyethylen mit breiter Molekulargewichtsverteilung
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 (de) * 1991-11-04 1998-12-16 CHEVRON U.S.A. Inc. Olefinpolymerisation mittels aluminoxan/chrom-katalysator
EP0849294A1 (de) * 1996-12-20 1998-06-24 Fina Research S.A. Herstellung von Polyethylen mit breiter Molekulargewichtsverteilung

Also Published As

Publication number Publication date
US20020147285A1 (en) 2002-10-10
ES2157610T3 (es) 2001-08-16
WO1998028348A1 (en) 1998-07-02
EP0946611A1 (de) 1999-10-06
EP0849294A1 (de) 1998-06-24
ATE200297T1 (de) 2001-04-15
JP2001506695A (ja) 2001-05-22
PT946611E (pt) 2001-09-28
DE69704501T2 (de) 2002-03-28
EP0946611B1 (de) 2001-04-04
DK0946611T3 (da) 2001-07-09
US6417131B1 (en) 2002-07-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee