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DE69808577D1 - Herstellung von Polyäthylen mit einer verbesserten Widerstandsfähigkeit gegen Risse und/oder Schlagzähigkeit - Google Patents

Herstellung von Polyäthylen mit einer verbesserten Widerstandsfähigkeit gegen Risse und/oder Schlagzähigkeit

Info

Publication number
DE69808577D1
DE69808577D1 DE69808577T DE69808577T DE69808577D1 DE 69808577 D1 DE69808577 D1 DE 69808577D1 DE 69808577 T DE69808577 T DE 69808577T DE 69808577 T DE69808577 T DE 69808577T DE 69808577 D1 DE69808577 D1 DE 69808577D1
Authority
DE
Germany
Prior art keywords
polyethylene
chromium
reactor
based catalyst
cracking
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 - Lifetime
Application number
DE69808577T
Other languages
English (en)
Other versions
DE69808577T2 (de
Inventor
Guy Debras
Hugo Vandaele
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.)
TotalEnergies Onetech Belgium SA
Original Assignee
Atofina 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
Priority claimed from EP97202973A external-priority patent/EP0905145A1/de
Application filed by Atofina Research SA filed Critical Atofina Research SA
Publication of DE69808577D1 publication Critical patent/DE69808577D1/de
Application granted granted Critical
Publication of DE69808577T2 publication Critical patent/DE69808577T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06—Macromolecular 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
    • C08F297/08—Macromolecular 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
    • 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
    • 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
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06—Macromolecular 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943—Polymerization with metallocene catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
DE69808577T 1997-09-27 1998-09-25 Herstellung von Polyäthylen mit einer verbesserten Widerstandsfähigkeit gegen Risse und/oder Schlagzähigkeit Expired - Lifetime DE69808577T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97202973A EP0905145A1 (de) 1997-09-27 1997-09-27 Herstellung von Polyäthylen mit verbesserter Rissbeständigkeit
EP98111644 1998-06-24

Publications (2)

Publication Number Publication Date
DE69808577D1 true DE69808577D1 (de) 2002-11-14
DE69808577T2 DE69808577T2 (de) 2003-07-03

Family

ID=26146905

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69808577T Expired - Lifetime DE69808577T2 (de) 1997-09-27 1998-09-25 Herstellung von Polyäthylen mit einer verbesserten Widerstandsfähigkeit gegen Risse und/oder Schlagzähigkeit

Country Status (6)

Country Link
US (1) US6252017B1 (de)
JP (1) JP4521070B2 (de)
AT (1) ATE225810T1 (de)
DE (1) DE69808577T2 (de)
ES (1) ES2185100T3 (de)
PT (1) PT905146E (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1041089A1 (de) * 1999-03-29 2000-10-04 Fina Research S.A. Herstellung von Polyethylen
JP2002241424A (ja) * 2001-02-21 2002-08-28 Japan Polychem Corp エチレン系重合体の製造方法
WO2003016396A1 (en) * 2001-08-17 2003-02-27 Dow Global Technologies Inc. Bimodal polyethylene composition and articles made therefrom
JP5013880B2 (ja) * 2004-02-13 2012-08-29 トータル・ペトロケミカルズ・リサーチ・フエリユイ ゲルの少ないクロム触媒
US7388059B2 (en) * 2004-06-28 2008-06-17 Japan Polyethylene Corporation Ethylene polymer, catalyst for producing thereof and method for producing thereof
JP4749725B2 (ja) * 2005-01-17 2011-08-17 日本ポリエチレン株式会社 ポリエチレン系樹脂材料及びそれを用いた中空成形体
US10626202B2 (en) * 2007-02-01 2020-04-21 Basell Polyolefine Gmbh Monomodal copolymer of ethylene for injection molding and process for its preparation
US20090304966A1 (en) * 2008-06-05 2009-12-10 Mehta Sameer D Bimodal polyethylene process and products
US9249286B2 (en) * 2008-10-09 2016-02-02 Equistar Chemicals, Lp Multimodal polyethylene pipe resins and process
US20140127438A1 (en) 2012-11-08 2014-05-08 Robert L. Sherman, Jr. Stabilized high-density polyethylene composition with improved resistance to deterioration and stabilizer system
CN105440192B (zh) * 2014-08-14 2018-04-03 中国石化扬子石油化工有限公司 一种耐热聚乙烯管材料的制备方法
JP6459693B2 (ja) * 2015-03-25 2019-01-30 日本ポリエチレン株式会社 フィラーパイプ用ポリエチレン及びフィラーパイプ
CN110684140B (zh) * 2018-07-04 2022-07-05 中国石油天然气股份有限公司 耐热聚乙烯的制备方法、由其制备的耐热聚乙烯及其组合物
US12129365B2 (en) 2021-12-18 2024-10-29 Chevron Phillips Chemical Company Lp Methods for operating polyethylene reactor systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
BE1007653A3 (fr) * 1993-10-26 1995-09-05 Fina Research Procede de production de polyethylene ayant une distribution large de poids moleculaire.
JPH07103177B2 (ja) * 1994-09-07 1995-11-08 日本石油株式会社 エチレン重合体の製造方法
BE1009308A3 (fr) * 1995-04-28 1997-02-04 Solvay Polymere d'ethylene et procedes pour son obtention.
US5665818A (en) * 1996-03-05 1997-09-09 Union Carbide Chemicals & Plastics Technology Corporation High activity staged reactor process

Also Published As

Publication number Publication date
US6252017B1 (en) 2001-06-26
PT905146E (pt) 2003-02-28
JP4521070B2 (ja) 2010-08-11
ES2185100T3 (es) 2003-04-16
JPH11189602A (ja) 1999-07-13
DE69808577T2 (de) 2003-07-03
ATE225810T1 (de) 2002-10-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings