PT905146E - Producao de polietileno com uma resistencia a fissuracao e/ou ao impacto melhorada - Google Patents

Producao de polietileno com uma resistencia a fissuracao e/ou ao impacto melhorada

Info

Publication number
PT905146E
PT905146E PT98118183T PT98118183T PT905146E PT 905146 E PT905146 E PT 905146E PT 98118183 T PT98118183 T PT 98118183T PT 98118183 T PT98118183 T PT 98118183T PT 905146 E PT905146 E PT 905146E
Authority
PT
Portugal
Prior art keywords
polyethylene
impact
chromium
reactor
based catalyst
Prior art date
Application number
PT98118183T
Other languages
English (en)
Inventor
Hugo Vandaele
Guy Debras
Original Assignee
Atofina Res
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/en
Application filed by Atofina Res filed Critical Atofina Res
Publication of PT905146E publication Critical patent/PT905146E/pt

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)
  • Polymerization Catalysts (AREA)
  • Polymerisation Methods In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
PT98118183T 1997-09-27 1998-09-25 Producao de polietileno com uma resistencia a fissuracao e/ou ao impacto melhorada PT905146E (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97202973A EP0905145A1 (en) 1997-09-27 1997-09-27 Production of polyethylene having improved crack resistance
EP98111644 1998-06-24

Publications (1)

Publication Number Publication Date
PT905146E true PT905146E (pt) 2003-02-28

Family

ID=26146905

Family Applications (1)

Application Number Title Priority Date Filing Date
PT98118183T PT905146E (pt) 1997-09-27 1998-09-25 Producao de polietileno com uma resistencia a fissuracao e/ou ao impacto melhorada

Country Status (6)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1041089A1 (en) * 1999-03-29 2000-10-04 Fina Research S.A. Production of polyethylene
JP2002241424A (ja) * 2001-02-21 2002-08-28 Japan Polychem Corp エチレン系重合体の製造方法
DE60205387T2 (de) * 2001-08-17 2006-06-01 Dow Global Technologies, Inc., Midland Bimodale polyethylenzusammensetzung und gegenstände daraus
ATE464324T1 (de) * 2004-02-13 2010-04-15 Total Petrochemicals Res Feluy Gelarme chrom-katalyse
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
DE602008001250D1 (de) * 2007-02-01 2010-06-24 Basell Polyolefine Gmbh Einmodus-copolymer von ethylen zum spritzgiessen und verfahren zu dessen herstellung
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

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
ES2185100T3 (es) 2003-04-16
DE69808577T2 (de) 2003-07-03
US6252017B1 (en) 2001-06-26
ATE225810T1 (de) 2002-10-15
DE69808577D1 (de) 2002-11-14
JP4521070B2 (ja) 2010-08-11
JPH11189602A (ja) 1999-07-13

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