[go: up one dir, main page]

ZA200409750B - Polymerization catalyst activators, method of preparing and their use in polymerization processes. - Google Patents

Polymerization catalyst activators, method of preparing and their use in polymerization processes. Download PDF

Info

Publication number
ZA200409750B
ZA200409750B ZA200409750A ZA200409750A ZA200409750B ZA 200409750 B ZA200409750 B ZA 200409750B ZA 200409750 A ZA200409750 A ZA 200409750A ZA 200409750 A ZA200409750 A ZA 200409750A ZA 200409750 B ZA200409750 B ZA 200409750B
Authority
ZA
South Africa
Prior art keywords
group
catalyst system
halogenated
substituted
formula
Prior art date
Application number
ZA200409750A
Other languages
English (en)
Inventor
Matthew W Holtcamp
David A Cano
Original Assignee
Univation Tech Llc
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 Univation Tech Llc filed Critical Univation Tech Llc
Publication of ZA200409750B publication Critical patent/ZA200409750B/en

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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; 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
    • C08F4/60—Metals; 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
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/642—Component covered by group C08F4/64 with an organo-aluminium compound
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/06—Aluminium compounds
    • C07F5/061—Aluminium compounds with C-aluminium linkage
    • C07F5/066—Aluminium compounds with C-aluminium linkage compounds with Al linked to an element other than Al, C, H or halogen (this includes Al-cyanide linkage)
    • 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
    • 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
    • C08F210/02—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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—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
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; 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
    • C08F4/60—Metals; 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
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; 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
    • C08F4/60—Metals; 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
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 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
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Tires In General (AREA)
  • Disintegrating Or Milling (AREA)
  • Indole Compounds (AREA)
  • Polyethers (AREA)
ZA200409750A 2002-06-28 2004-12-01 Polymerization catalyst activators, method of preparing and their use in polymerization processes. ZA200409750B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/186,361 US6703338B2 (en) 2002-06-28 2002-06-28 Polymerization catalyst activators, method of preparing, and their use in polymerization processes

Publications (1)

Publication Number Publication Date
ZA200409750B true ZA200409750B (en) 2005-09-29

Family

ID=29999290

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200409750A ZA200409750B (en) 2002-06-28 2004-12-01 Polymerization catalyst activators, method of preparing and their use in polymerization processes.

Country Status (20)

Country Link
US (2) US6703338B2 (ja)
EP (3) EP1517930B1 (ja)
JP (3) JP4361862B2 (ja)
KR (1) KR100713748B1 (ja)
CN (4) CN1659193B (ja)
AT (1) ATE506381T1 (ja)
AU (3) AU2003238849B2 (ja)
BR (3) BR0305256A (ja)
CA (3) CA2488052C (ja)
CZ (1) CZ20041151A3 (ja)
DE (1) DE60336812D1 (ja)
MX (1) MXPA05000067A (ja)
MY (1) MY137541A (ja)
NO (1) NO20040872L (ja)
PL (1) PL373380A1 (ja)
RU (1) RU2293088C2 (ja)
SG (1) SG173215A1 (ja)
TW (1) TWI280252B (ja)
WO (3) WO2004003031A2 (ja)
ZA (1) ZA200409750B (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6274684B1 (en) * 1999-10-22 2001-08-14 Univation Technologies, Llc Catalyst composition, method of polymerization, and polymer therefrom
US6841504B2 (en) * 2002-01-28 2005-01-11 Univation Technologies, Llc Polymerization catalyst activator and its use in a polymerization process
US6559251B1 (en) * 2002-08-02 2003-05-06 Equistar Chemicals, Lp Process for making low-density polyolefins
US7220695B2 (en) * 2004-01-07 2007-05-22 Exxonmobil Chemical Patents Inc. Supported activator
US7741417B2 (en) * 2004-01-07 2010-06-22 Exxonmobil Chemical Patents Inc. Preparation of polymerization catalyst activators utilizing indole-modified silica supports
WO2009061678A1 (en) * 2007-11-08 2009-05-14 Exxonmobil Chemicals Patents Inc. Halogen substituted heterocyclic heteroatom containing ligands-alumoxane activation of metallocenes
US8022005B2 (en) * 2007-11-08 2011-09-20 Exxonmobil Chemical Patents Inc. Halogen substituted heterocyclic heteroatom containing ligands-alumoxane activation of metallocenes
US8524846B1 (en) 2009-07-02 2013-09-03 The University Of Toledo Trianionic ligand precursor compounds and uses thereof in constrained geometry catalysts
US8957172B2 (en) 2012-08-03 2015-02-17 Exxonmobil Chemical Patents Inc. Nonsymmetric catalysts comprising salan ligands
US9365661B2 (en) 2012-08-03 2016-06-14 Exxonmobil Chemical Patents Inc. Polyalphaolefins prepared using modified salan catalyst compounds
WO2014022012A1 (en) 2012-08-03 2014-02-06 Exxonmobil Chemical Patents Inc. Vinyl terminated polyethylene with long chain branching
CN104364321A (zh) 2012-08-03 2015-02-18 埃克森美孚化学专利公司 含Salan 配体的卤化催化剂
WO2014022008A1 (en) * 2012-08-03 2014-02-06 Exxonmobil Chemical Patents Inc. Catalysts comprising salan ligands
US9382349B2 (en) 2012-08-03 2016-07-05 Exxonmobil Chemical Patents Inc. Polyalphaolefins prepared using modified Salan catalyst compounds
CN104428324B (zh) 2012-11-02 2018-08-17 埃克森美孚化学专利公司 负载型Salan催化剂
EP2970676B1 (en) 2013-03-13 2017-10-04 ExxonMobil Chemical Patents Inc. Diphenylamine salan catalyst
CN105392776B (zh) * 2013-06-20 2019-02-12 埃克森美孚化学专利公司 硫代-Salalen催化剂
CN105142777B (zh) 2013-06-20 2017-12-26 埃克森美孚化学专利公司 长桥Salen催化剂
US9200099B2 (en) 2013-06-20 2015-12-01 Exxonmobil Chemical Patents Inc. Salenol catalyst
WO2015088819A1 (en) 2013-12-13 2015-06-18 Exxonmobil Chemical Patents Inc. Cyclopentadienyl-substituted salan catalysts
EP3126325B1 (en) 2014-03-31 2019-04-24 ExxonMobil Chemical Patents Inc. Phenylene-bridged salalen catalysts
US10351647B2 (en) 2015-05-29 2019-07-16 Exxonmobil Chemical Patents Inc. Polymerization process using bridged metallocene compounds supported on organoaluminum treated layered silicate supports
WO2017023722A1 (en) 2015-07-31 2017-02-09 Cargill, Incorporated Citrus fibres with optimised water binding characteristics

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE617165A (ja) * 1961-05-02
JPS5421391B1 (ja) * 1969-07-10 1979-07-30
US4224181A (en) * 1979-03-07 1980-09-23 Exxon Research & Engineering Co. Ziegler type catalyst system
US4271060A (en) 1979-09-17 1981-06-02 Phillips Petroleum Company Solution polymerization process
US4434313A (en) * 1981-12-14 1984-02-28 Exxon Research And Engineering Co. Preparation of linear olefin products
IT1178466B (it) * 1984-03-20 1987-09-09 Montedison Spa Catalizzatori per la omo e copolimerizzazione dell'etilene e polimeri ottenuti
US5001205A (en) 1988-06-16 1991-03-19 Exxon Chemical Patents Inc. Process for production of a high molecular weight ethylene α-olefin elastomer with a metallocene alumoxane catalyst
US5236998A (en) 1991-03-07 1993-08-17 Occidental Chemical Corporation Process for the manufacture of linear polyethylene containing α-alkene commonomers
US5589555A (en) 1991-10-03 1996-12-31 Novacor Chemicals (International) S.A. Control of a solution process for polymerization of ethylene
US5221761A (en) * 1992-04-29 1993-06-22 Instituto Guido Donegani Melt transesterification process for the production of polycarbonates
US5317036A (en) 1992-10-16 1994-05-31 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization reactions utilizing soluble unsupported catalysts
ZA943399B (en) 1993-05-20 1995-11-17 Bp Chem Int Ltd Polymerisation process
CA2127822A1 (en) 1993-07-13 1995-01-14 Yoshinori Morita Process for gas phase polymerization of olefin
EP0649992B1 (de) 1993-10-23 1997-07-30 WABCO GmbH Betätigungseinrichtung für eine Scheibenbremse
US5763543A (en) 1994-09-14 1998-06-09 Exxon Chemical Patents Inc. Olefin polymerization process with little or no scavenger present
WO1996011960A1 (en) 1994-10-13 1996-04-25 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
US5677375A (en) 1995-07-21 1997-10-14 Union Carbide Chemicals & Plastics Technology Corporation Process for producing an in situ polyethylene blend
GB9522859D0 (en) * 1995-11-08 1996-01-10 Borealis As Compounds
US5665818A (en) 1996-03-05 1997-09-09 Union Carbide Chemicals & Plastics Technology Corporation High activity staged reactor process
US5627242A (en) 1996-03-28 1997-05-06 Union Carbide Chemicals & Plastics Technology Corporation Process for controlling gas phase fluidized bed polymerization reactor
US5693727A (en) 1996-06-06 1997-12-02 Union Carbide Chemicals & Plastics Technology Corporation Method for feeding a liquid catalyst to a fluidized bed polymerization reactor
JP2000035973A (ja) * 1996-06-11 2000-02-02 Masanobu Kujirada 遠隔匂い発生システム
JP3889881B2 (ja) * 1997-07-10 2007-03-07 三井化学株式会社 オレフィン重合用触媒成分、オレフィン重合用触媒およびオレフィンの重合方法
CN101260167B (zh) 1997-12-23 2012-11-14 陶氏环球技术有限责任公司 在烯烃溶液聚合反应工艺中用于增加聚合物含量的处理设计
TR200002404T2 (tr) * 1998-02-20 2001-01-22 The Dow Chemical Company Genişletilmiş anyonlar ihtiva eden katalizör etkinleştiriciler
AU743376B2 (en) * 1998-06-12 2002-01-24 Univation Technologies Llc Olefin polymerization process using activated lewis acid-base complexes
US7354880B2 (en) 1998-07-10 2008-04-08 Univation Technologies, Llc Catalyst composition and methods for its preparation and use in a polymerization process
US6500949B2 (en) * 1998-10-08 2002-12-31 Dow Global Technologies Inc. Bridged metal complexes
ATE248849T1 (de) * 1998-10-08 2003-09-15 Dow Chemical Co Verbrückte metallkomplexe
US6147173A (en) 1998-11-13 2000-11-14 Univation Technologies, Llc Nitrogen-containing group 13 anionic complexes for olefin polymerization
JP2002532584A (ja) * 1998-12-12 2002-10-02 バーゼル、ポリプロピレン、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング 遷移金属化合物
WO2001009207A2 (en) * 1999-07-29 2001-02-08 The Dow Chemical Company Improved silane functionalized olefin interpolymers and derivatives thereof
CA2385568A1 (en) * 1999-09-27 2001-04-05 The Dow Chemical Company Supported catalyst comprising expanded anions
WO2001038270A1 (en) * 1999-11-26 2001-05-31 Sasol Technology (Pty) Ltd Hydrocarbon conversion process
WO2001062764A1 (en) 2000-02-24 2001-08-30 Basell Technology Company B.V. Organometallic compound useful as cocatalyst for polymerizing olefins
AU2001263526A1 (en) * 2000-05-04 2001-11-12 Sasol Technology (Pty) Ltd. A halopyrrole ligand for use in a catalyst system
WO2002008303A1 (en) * 2000-07-20 2002-01-31 The Dow Chemical Company Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom
EP1373281B1 (en) * 2001-03-19 2005-08-17 Dow Global Technologies Inc. Metal complexes containing acetylenic ligands, polymerization catalysts and addition polymerization process
DE60202524T2 (de) * 2001-05-21 2005-06-30 Basell Polyolefine Gmbh Katalysatorsystem für die polymerisierung von olefinen
ATE384086T1 (de) * 2001-06-15 2008-02-15 Dow Global Technologies Inc Verzweigte polymere auf alpha-olefin basis
US6841504B2 (en) * 2002-01-28 2005-01-11 Univation Technologies, Llc Polymerization catalyst activator and its use in a polymerization process

Also Published As

Publication number Publication date
CN100339403C (zh) 2007-09-26
ATE506381T1 (de) 2011-05-15
WO2004003037A1 (en) 2004-01-08
US6858689B2 (en) 2005-02-22
MXPA05000067A (es) 2005-04-08
BR0312210A (pt) 2007-05-29
CN1659193A (zh) 2005-08-24
US20040167016A1 (en) 2004-08-26
CN1665849A (zh) 2005-09-07
JP2005531670A (ja) 2005-10-20
JP4361862B2 (ja) 2009-11-11
AU2003280428A1 (en) 2004-01-19
BR0312263A (pt) 2005-04-26
CA2488052A1 (en) 2004-01-08
PL373380A1 (en) 2005-08-22
CN1302029C (zh) 2007-02-28
EP1517932A2 (en) 2005-03-30
TW200403264A (en) 2004-03-01
AU2003238849B2 (en) 2007-02-15
AU2003280424A1 (en) 2004-01-19
RU2005102068A (ru) 2005-10-27
SG173215A1 (en) 2011-08-29
CN101054388A (zh) 2007-10-17
US6703338B2 (en) 2004-03-09
WO2004003031A2 (en) 2004-01-08
CA2489240C (en) 2009-09-22
MY137541A (en) 2009-02-27
CN101054388B (zh) 2012-09-26
AU2003280428A8 (en) 2004-01-19
NO20040872L (no) 2004-04-27
CZ20041151A3 (cs) 2005-08-17
CN1659193B (zh) 2012-06-20
BR0305256A (pt) 2004-10-05
EP1517930A2 (en) 2005-03-30
EP1517930B1 (en) 2016-11-02
EP1517931B1 (en) 2011-04-20
KR20050008796A (ko) 2005-01-21
WO2004003031A3 (en) 2004-07-08
CN1665850A (zh) 2005-09-07
TWI280252B (en) 2007-05-01
WO2004003032A3 (en) 2004-07-29
CA2488043C (en) 2009-12-08
RU2293088C2 (ru) 2007-02-10
DE60336812D1 (en) 2011-06-01
JP2005527695A (ja) 2005-09-15
US20040005983A1 (en) 2004-01-08
KR100713748B1 (ko) 2007-05-04
CA2488052C (en) 2010-08-03
CA2489240A1 (en) 2004-01-08
CA2488043A1 (en) 2004-01-08
EP1517931A1 (en) 2005-03-30
AU2003238849A1 (en) 2004-01-19
WO2004003032A2 (en) 2004-01-08
JP2005530907A (ja) 2005-10-13

Similar Documents

Publication Publication Date Title
ZA200409750B (en) Polymerization catalyst activators, method of preparing and their use in polymerization processes.
EP1242477B1 (en) A method for preparing a supported catalyst system and its use in a polymerization process
RU2241717C2 (ru) Каталитические системы и их применение в процессе полимеризации
US6841504B2 (en) Polymerization catalyst activator and its use in a polymerization process
WO2009012022A1 (en) Preparation of supported silyl-capped silica silica-bound anion activators and associated catalysts
US6555495B2 (en) Catalyst support method and polymerization with supported catalysts
AU2002217977A1 (en) Method for preparing a catalyst support and polymerization with supported catalysts
EP1358227A2 (en) A catalyst system and its use in a polymerization process
US6660679B2 (en) Catalyst system and its use in a polymerization process
WO2002046243A2 (en) Polymerization process
AU2002324444A1 (en) Catalyst system and its use in a polymerization process
US6541412B1 (en) Catalyst system method for preparing and using same in a polymerization process
US6538081B2 (en) Polymerization process
US20020103314A1 (en) Support materials for use with polymerization catalysts
AU2002236494A1 (en) A catalyst system and its use in a polymerization process