ES2185100T3 - Produccion de polietileno que tiene resistencia al agrietamiento y/o impacto mejorada. - Google Patents

Produccion de polietileno que tiene resistencia al agrietamiento y/o impacto mejorada.

Info

Publication number
ES2185100T3
ES2185100T3 ES98118183T ES98118183T ES2185100T3 ES 2185100 T3 ES2185100 T3 ES 2185100T3 ES 98118183 T ES98118183 T ES 98118183T ES 98118183 T ES98118183 T ES 98118183T ES 2185100 T3 ES2185100 T3 ES 2185100T3
Authority
ES
Spain
Prior art keywords
impact
polyethylene
chromium
reactor
based catalyst
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
ES98118183T
Other languages
English (en)
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/en
Application filed by Atofina Research SA filed Critical Atofina Research SA
Application granted granted Critical
Publication of ES2185100T3 publication Critical patent/ES2185100T3/es
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)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE PRODUCCION DE POLIETILENO QUE PRESENTA UNA RESISTENCIA A LA FRACTURA MEJORADA. DICHO PROCEDIMIENTO CONSISTE EN COPOLIMERIZAR ETILENO Y UN COMONOMERO ALFA-OLEFINICO QUE COMPRENDE DE 3 A 8 ATOMOS DE CARBONO, EN PRESENCIA DE UN CATALIZADOR A BASE DE CROMO, EN UN PRIMER REACTOR; ALIMENTAR EL COPOLIMERO DE POLIETILENO ASI PRODUCIDO Y EL CATALIZADOR A BASE DE CROMO A UN SEGUNDO REACTOR; Y, EN EL SEGUNDO REACTOR, COPOLIMERIZAR ETILENO Y COMONOMERO ALFAOLEFINICO DE 3 A 8 ATOMOS DE CARBONO, EN PRESENCIA DEL CATALIZADOR A BASE DE CROMO, PRODUCIENDO ASI UN SEGUNDO PRODUCTO DE POLIETILENO, FORMANDO EL PRIMER Y EL SEGUNDO PRODUCTOS DE POLIETILENO UN POLIETILENO COMBINADO QUE PRESENTA UNA DISTRIBUCION MONOMODAL DEL PESO MOLECULAR.
ES98118183T 1997-09-27 1998-09-25 Produccion de polietileno que tiene resistencia al agrietamiento y/o impacto mejorada. Expired - Lifetime ES2185100T3 (es)

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
ES2185100T3 true ES2185100T3 (es) 2003-04-16

Family

ID=26146905

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98118183T Expired - Lifetime ES2185100T3 (es) 1997-09-27 1998-09-25 Produccion de polietileno que tiene resistencia al agrietamiento y/o impacto mejorada.

Country Status (6)

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

Families Citing this family (14)

* 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
US7745551B2 (en) * 2004-02-13 2010-06-29 Total Petrochemicals Research Feluy Low gel chromium catalysis
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
JP5584472B2 (ja) * 2007-02-01 2014-09-03 バーゼル・ポリオレフィン・ゲーエムベーハー 射出成形用エチレン単峰性コポリマー及びその製造法
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
ATE225810T1 (de) 2002-10-15
JPH11189602A (ja) 1999-07-13
US6252017B1 (en) 2001-06-26
DE69808577T2 (de) 2003-07-03
PT905146E (pt) 2003-02-28
DE69808577D1 (de) 2002-11-14
JP4521070B2 (ja) 2010-08-11

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