CA2017190A1 - Methode de preparation de polymeres d'ethylene - Google Patents

Methode de preparation de polymeres d'ethylene

Info

Publication number
CA2017190A1
CA2017190A1 CA2017190A CA2017190A CA2017190A1 CA 2017190 A1 CA2017190 A1 CA 2017190A1 CA 2017190 A CA2017190 A CA 2017190A CA 2017190 A CA2017190 A CA 2017190A CA 2017190 A1 CA2017190 A1 CA 2017190A1
Authority
CA
Canada
Prior art keywords
preparation
grain
products
ethylene polymers
metallocene
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.)
Granted
Application number
CA2017190A
Other languages
English (en)
Other versions
CA2017190C (fr
Inventor
Walter Spaleck
Martin Antberg
Ludwig Bohm
Jurgen Rohrmann
Hartmut Luker
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.)
Basell Polyolefine GmbH
Original Assignee
Hoechst AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6381117&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2017190(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of CA2017190A1 publication Critical patent/CA2017190A1/fr
Application granted granted Critical
Publication of CA2017190C publication Critical patent/CA2017190C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F17/00Metallocenes
    • 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
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • 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
    • 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
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/639Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/63912Component covered by group C08F4/62 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • 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
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/639Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/6392Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/63922Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/63927Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CA002017190A 1989-05-20 1990-05-18 Methode de preparation de polymeres d'ethylene Expired - Lifetime CA2017190C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3916555A DE3916555A1 (de) 1989-05-20 1989-05-20 Verfahren zur herstellung von ethylenpolymeren
DEP3916555.8 1989-05-20

Publications (2)

Publication Number Publication Date
CA2017190A1 true CA2017190A1 (fr) 1990-11-20
CA2017190C CA2017190C (fr) 2001-01-30

Family

ID=6381117

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002017190A Expired - Lifetime CA2017190C (fr) 1989-05-20 1990-05-18 Methode de preparation de polymeres d'ethylene

Country Status (7)

Country Link
EP (2) EP0399348B1 (fr)
JP (1) JP2904301B2 (fr)
AU (1) AU630451B2 (fr)
CA (1) CA2017190C (fr)
DE (3) DE3916555A1 (fr)
ES (2) ES2116263T3 (fr)
ZA (1) ZA903831B (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5350817A (en) * 1991-05-27 1994-09-27 Hoechst Ag Process for the preparation of polyolefins having a broad molecular weight distribution
US5360921A (en) * 1993-03-22 1994-11-01 Mitsui Petrochemical Industries, Ltd. Process for preparing cyclopentadienyl group-containing silicon compound or cyclopentadienyl group-containing germanium compound
US5504232A (en) * 1992-08-03 1996-04-02 Hoechst Aktiengesellschaft Process for the preparation of an olefin polymer using specific metallocenes
US5696045A (en) * 1993-09-29 1997-12-09 Winter; Andreas Process for the preparation of polyolefins
US5710224A (en) * 1991-07-23 1998-01-20 Phillips Petroleum Company Method for producing polymer of ethylene
US5852143A (en) * 1995-05-16 1998-12-22 Union Carbide Chemicals & Plastics Technology Corporation Production of polyethylene using stereoisomeric metallocenes
WO1999002569A1 (fr) * 1997-07-14 1999-01-21 The Board Of Trustees Of The Leland Stanford, Jr. University CATALYSEURS ET PROCEDES DE SYNTHESE DE COPOLYMERES D'ETHYLENE/α-OLEFINE ALTERNES ET LEURS COPOLYMERES ISOTACTIQUES
US5962359A (en) * 1994-12-28 1999-10-05 Targor Gmbh Metallocene compound and its use as catalyst component
WO1999055748A1 (fr) * 1998-04-27 1999-11-04 Fina Research S.A. Fabrication de polyolefines
US6218488B1 (en) 1998-03-04 2001-04-17 Exxon Mobil Chemical Patents Inc. Polymerization process for olefin copolymers using bridged hafnocene compounds
US6818585B2 (en) 1998-12-30 2004-11-16 Univation Technologies, Llc Catalyst compounds, catalyst systems thereof and their use in a polymerization process
US8822611B2 (en) 2004-11-19 2014-09-02 Total Research & Technology Feluy Solid state properties of polyethylene prepared with tetrahydroindenyl-based catalyst system

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4032266A1 (de) * 1990-10-11 1992-04-16 Hoechst Ag Verfahren zur herstellung eines polyolefins
US5466766A (en) * 1991-05-09 1995-11-14 Phillips Petroleum Company Metallocenes and processes therefor and therewith
DE4121368A1 (de) * 1991-06-28 1993-01-07 Hoechst Ag Katalysator und verfahren zur herstellung von hochmolekularen polyolefinen
TW300901B (fr) * 1991-08-26 1997-03-21 Hoechst Ag
DE4130352A1 (de) * 1991-09-12 1993-03-18 Basf Ag Des- und reaktivierte metallocenkatalysatorsysteme
DE4139261A1 (de) * 1991-11-29 1993-06-03 Basf Ag Ethylen-copolymerisate niederer dichte
GB9125934D0 (en) 1991-12-05 1992-02-05 Exxon Chemical Patents Inc Process for polymerising olefinic feeds under pressure
US5302733A (en) * 1992-03-30 1994-04-12 Ethyl Corporation Preparation of metallocenes
JP2007146183A (ja) * 1992-12-07 2007-06-14 Mitsubishi Chemicals Corp 押出成形体用樹脂組成物
IT1270253B (it) 1994-06-20 1997-04-29 Spherilene Srl Copolimeri dell'etilene e procedimento per la preparazione di polimeri dell'etilene
DE4436113A1 (de) 1994-10-10 1996-04-11 Hoechst Ag Metallocenverbindung
EP0745615B1 (fr) * 1994-12-20 2004-07-28 Mitsui Chemicals, Inc. Procede de production de polymere d'ethylene et polymere d'ethylene obtenu
UA47394C2 (uk) * 1995-05-16 2002-07-15 Юнівейшн Текнолоджіз, Ллс Етиленовий полімер, який має підвищену придатність до обробки та вирiб, що містить етиленовий полімер
DE19637669A1 (de) * 1996-09-16 1998-03-19 Hoechst Ag Verfahren zur Herstellung einer methylenverbrückten Biscyclopentadienylverbindung
GB9718073D0 (en) * 1997-08-28 1997-10-29 Zeneca Ltd Organometallic compounds,their preparation and use
EP0991677B1 (fr) * 1998-04-21 2004-06-16 Basell Polyolefine GmbH Procede de preparation de copolymeres d'ethylene a l'aide d'alpha-olefines
CA2317485A1 (fr) 1998-11-20 2000-06-02 Montell Technology Company B.V. Metallocenes pontes, preparation de ceux-ci et leur utilisation dans des systemes catalytiques
US6339134B1 (en) 1999-05-06 2002-01-15 Univation Technologies, Llc Polymerization process for producing easier processing polymers
EP1059332A1 (fr) 1999-06-10 2000-12-13 Fina Research S.A. Polypropylène à haute résistance à l'état fondu et à l'étirage excellent
EP1255782A1 (fr) * 1999-12-01 2002-11-13 Univation Technologies LLC Composes catalyseurs, systemes catalyseurs associes et leur utilisation dans un processus de polymerisation
US6864333B2 (en) 1999-12-28 2005-03-08 Basel Polyolefine Gmbh Process for the preparation of ethylene polymers
WO2001058913A1 (fr) * 2000-02-08 2001-08-16 Exxonmobil Chemical Patents Inc. Procede de preparation de ligands bis-cyclopentadienyle pontes pour des metallocenes du groupe iv
US7700707B2 (en) 2002-10-15 2010-04-20 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
EP2261292B1 (fr) 2002-10-15 2014-07-23 ExxonMobil Chemical Patents Inc. Compositions à base d'adhesifs polyolefiniques
WO2006019147A1 (fr) * 2004-08-16 2006-02-23 Mitsui Chemicals, Inc. Polymère éthylène et son utilisation
US7795194B2 (en) 2004-11-26 2010-09-14 Mitsui Chemicals, Inc. Synthetic lubricating oil and lubricating oil composition
ATE423797T1 (de) * 2004-12-03 2009-03-15 Repsol Quimica Sa Katalysatorzusammensetzungen für die polymerisation und copolymerisation von alpha- olefinen
JP2010536905A (ja) * 2007-08-27 2010-12-02 ボレアリス テクノロジー オイ 触媒
JP5615807B2 (ja) 2009-04-21 2014-10-29 三井化学株式会社 オレフィン重合体の製造方法
US20120135903A1 (en) 2010-05-11 2012-05-31 Mitsui Chemicals, Inc. Lubricating oil composition
US8796409B2 (en) 2011-10-04 2014-08-05 Exxonmobil Chemical Patents Inc. Use of temperature and ethylene partial pressure to introduce long chain branching in high density polyethylene
KR101746744B1 (ko) 2013-02-08 2017-06-13 미쓰이 가가쿠 가부시키가이샤 고체상 폴리알루미녹세인 조성물, 올레핀 중합용 촉매, 올레핀 중합체의 제조 방법, 및 고체상 폴리알루미녹세인 조성물의 제조 방법
US10377886B2 (en) 2015-03-31 2019-08-13 Japan Polyethylene Corporation Polyethylene for pipe and joint, and molded body thereof
JP6651938B2 (ja) 2016-03-28 2020-02-19 日本ポリエチレン株式会社 ポリエチレン及びその成形体

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127133A1 (de) 1981-07-09 1983-01-27 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von polyolefinen und deren copolymerisaten
DE3424697C2 (de) 1984-07-05 1999-07-08 Targor Gmbh Verfahren zur Polymerisation von Ethylen oder von Mischungen von Ethylen mit anderen 1-Olefinen
DE3443087A1 (de) * 1984-11-27 1986-05-28 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von polyolefinen
CA1268754A (fr) 1985-06-21 1990-05-08 Howard Curtis Welborn, Jr. Catalyseur de polymerisation sur support
EP0260999A1 (fr) * 1986-09-19 1988-03-23 Exxon Chemical Patents Inc. Polymérisation d'éthylène à haute température et haute pression
DE3640924A1 (de) * 1986-11-29 1988-06-01 Hoechst Ag 1-olefin-stereoblockpolymer und verfahren zu seiner herstellung
JP2538588B2 (ja) 1987-04-03 1996-09-25 三井石油化学工業株式会社 オレフイン重合用固体触媒の製法
JP2538595B2 (ja) 1987-05-13 1996-09-25 三井石油化学工業株式会社 オレフイン重合用固体触媒
DE3726067A1 (de) * 1987-08-06 1989-02-16 Hoechst Ag Verfahren zur herstellung von 1-olefinpolymeren
IT1221653B (it) * 1987-11-27 1990-07-12 Ausimonti Spa Copolimeri cristallini del propilene
DE3743321A1 (de) * 1987-12-21 1989-06-29 Hoechst Ag 1-olefinpolymerwachs und verfahren zu seiner herstellung
US4871705A (en) * 1988-06-16 1989-10-03 Exxon Chemical Patents Inc. Process for production of a high molecular weight ethylene a-olefin elastomer with a metallocene alumoxane catalyst
DE3825814A1 (de) * 1988-07-29 1990-02-01 Hoechst Ag Verfahren zur herstellung von l-olefinpolymeren
DE3826075A1 (de) * 1988-07-30 1990-02-01 Hoechst Ag 1-olefin-isoblockpolymer und verfahren zu seiner herstellung
DE69027652T2 (de) * 1989-10-30 1996-11-28 Fina Research Verfahren zur Herstellung von syndiotaktischen Copolymeren aus Propylen und Olefinen

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5350817A (en) * 1991-05-27 1994-09-27 Hoechst Ag Process for the preparation of polyolefins having a broad molecular weight distribution
US5714427A (en) * 1991-05-27 1998-02-03 Hoechst Aktiengesellschaft Catalyst system comprising two zirconocenes and aluminoxane
US5710224A (en) * 1991-07-23 1998-01-20 Phillips Petroleum Company Method for producing polymer of ethylene
US5504232A (en) * 1992-08-03 1996-04-02 Hoechst Aktiengesellschaft Process for the preparation of an olefin polymer using specific metallocenes
US5763542A (en) * 1992-08-03 1998-06-09 Targor Gmbh Process for the preparation of an olefin polymer using specific metallocenes
US6087292A (en) * 1992-08-03 2000-07-11 Tangor Gmbh Metallocene catalysts comprising indenyl ligands substituted with electronegative groups
US5360921A (en) * 1993-03-22 1994-11-01 Mitsui Petrochemical Industries, Ltd. Process for preparing cyclopentadienyl group-containing silicon compound or cyclopentadienyl group-containing germanium compound
US5696045A (en) * 1993-09-29 1997-12-09 Winter; Andreas Process for the preparation of polyolefins
US5700886A (en) * 1993-09-29 1997-12-23 Hoechst Aktiengesellschaft Process for the preparation of polyolefins
US6150481A (en) * 1993-09-29 2000-11-21 Targor Gmbh Process for the preparation of polyolefins
US5962359A (en) * 1994-12-28 1999-10-05 Targor Gmbh Metallocene compound and its use as catalyst component
US6114556A (en) * 1994-12-28 2000-09-05 Targor Gmbh Metallocene compound and its use as catalyst component
US5852143A (en) * 1995-05-16 1998-12-22 Union Carbide Chemicals & Plastics Technology Corporation Production of polyethylene using stereoisomeric metallocenes
WO1999002569A1 (fr) * 1997-07-14 1999-01-21 The Board Of Trustees Of The Leland Stanford, Jr. University CATALYSEURS ET PROCEDES DE SYNTHESE DE COPOLYMERES D'ETHYLENE/α-OLEFINE ALTERNES ET LEURS COPOLYMERES ISOTACTIQUES
US6218488B1 (en) 1998-03-04 2001-04-17 Exxon Mobil Chemical Patents Inc. Polymerization process for olefin copolymers using bridged hafnocene compounds
US6262202B1 (en) 1998-03-04 2001-07-17 Univation Technologies, Llc Noncoordinating anions for olefin polymerization
US6291609B1 (en) 1998-03-04 2001-09-18 Exxonmobil Chemical Patents Inc. High temperature olefin polymerization process
WO1999055748A1 (fr) * 1998-04-27 1999-11-04 Fina Research S.A. Fabrication de polyolefines
US6818585B2 (en) 1998-12-30 2004-11-16 Univation Technologies, Llc Catalyst compounds, catalyst systems thereof and their use in a polymerization process
US7446073B2 (en) 1998-12-30 2008-11-04 Exxonmobil Chemical Patents Inc. Catalyst compounds, catalyst systems thereof and their use in a polymerization process
US8822611B2 (en) 2004-11-19 2014-09-02 Total Research & Technology Feluy Solid state properties of polyethylene prepared with tetrahydroindenyl-based catalyst system

Also Published As

Publication number Publication date
ZA903831B (en) 1991-02-27
DE3916555A1 (de) 1990-11-22
EP0399348A2 (fr) 1990-11-28
CA2017190C (fr) 2001-01-30
EP0700937A2 (fr) 1996-03-13
JP2904301B2 (ja) 1999-06-14
EP0700937B1 (fr) 2000-02-16
JPH0321607A (ja) 1991-01-30
DE59010821D1 (de) 1998-06-25
DE59010898D1 (de) 2000-03-23
AU630451B2 (en) 1992-10-29
AU5577190A (en) 1991-01-10
EP0399348B1 (fr) 1998-05-20
EP0700937A3 (fr) 1997-02-19
ES2116263T3 (es) 1998-07-16
EP0399348A3 (fr) 1992-08-12
ES2144089T3 (es) 2000-06-01

Similar Documents

Publication Publication Date Title
CA2017190A1 (fr) Methode de preparation de polymeres d'ethylene
EP0746574B2 (fr) Systemes de catalyseurs de polymerisation, leur production et leur utilisation
RU92004438A (ru) Металлоцены с бензоконденсированными производными инденила, способ их получения, способ получения олефинового полимера, катализатор полимеризации олефинов
CA2176623A1 (fr) Production de polyethylene a l'aide de metallocenes stereo-isomeres
PL288414A1 (en) Catalyst for the production of polyolefines and a method for its production, method of producing prepolymers and method of polymerizing olefines
CA2197848A1 (fr) Catalyseurs metallocene-alumoxane sur support pour la preparation de polyethylene ayant une repartition des poids moleculaires etendue ou unimodale
CA2163467A1 (fr) Procede pour l'obtention in situ d'un melange polyethylenique
CA2146208A1 (fr) Methode de polymerisation
CA2262910A1 (fr) Complexes metalliques contenant du cyclopentadienyle a substitution d'heteroatome en position 3 et procede de polymerisation d'olefine
CA2141496A1 (fr) Composes organometalliques fluorenyles; preparation et utilisation
CA2138723A1 (fr) Metallocenes et leur utilisation comme catalyseurs
CA2036141A1 (fr) Catalyseurs solides de la polymerisation d'olefines et procede de polymerisation d'olefines
EP0374695A3 (fr) Copolymère d'éthylène-propylène
CA2193410A1 (fr) Systemes catalyseurs de polymerisation, leur production et leur utilisation
CA2069995A1 (fr) Catalyseur solide de la polymerisation d'olefines, catalyseur de la polymerisation d'olefines et polymerisation d'olefines
CA2173515A1 (fr) Catalyseurs
AU8107894A (en) Supported olefin polymerization catalyst, its preparation and use
WO2003000755A3 (fr) Catalyseur de polymerisation d'olefines et procedes de fabrication correspondants
EP0516019A3 (en) Process for preparing syndiotactic polyolefins with large molecular weight distribution
AU648847B2 (en) Metallocenes having bicyclic cyclopentadiene derivatives as ligands, processes for their preparation and their use as catalysts
CA2143587A1 (fr) Metallocenes selectifs pour l'ethylene, presentant une forte activite
CA2039627A1 (fr) Procede de polymerisation d'olefines en phase gazeuse
CA2147589A1 (fr) Methode de preparation de copolymeres d'olefine cyclique; copolymeres ainsi obtenus
CA2229608A1 (fr) Complexes metalliques contenant de l'indenyle substitue et polymerisation des olefines
FR2688421B1 (fr) Procede pour la fabrication d'une poudre microspherouidale a faible dispersite, poudre microspherouidale a faible dispersite ainsi obtenue, catalyseurs pour la polymerisation d'alpha-olefines et procede de polymerisation d'alpha-olefines.

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry