PL339339A1 - Modified alumoxanate-type catalyst activator - Google Patents

Modified alumoxanate-type catalyst activator

Info

Publication number
PL339339A1
PL339339A1 PL98339339A PL33933998A PL339339A1 PL 339339 A1 PL339339 A1 PL 339339A1 PL 98339339 A PL98339339 A PL 98339339A PL 33933998 A PL33933998 A PL 33933998A PL 339339 A1 PL339339 A1 PL 339339A1
Authority
PL
Poland
Prior art keywords
alumoxanate
modified
type catalyst
catalyst activator
activator
Prior art date
Application number
PL98339339A
Other languages
English (en)
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of PL339339A1 publication Critical patent/PL339339A1/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/06Aluminium compounds
    • 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/06Aluminium compounds
    • C07F5/061Aluminium compounds with C-aluminium linkage
    • C07F5/066Aluminium compounds with C-aluminium linkage compounds with Al linked to an element other than Al, C, H or halogen (this includes Al-cyanide linkage)
    • C07F5/068Aluminium compounds with C-aluminium linkage compounds with Al linked to an element other than Al, C, H or halogen (this includes Al-cyanide linkage) preparation of alum(in)oxanes
    • 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
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65908Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
    • 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
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592Component 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Toxicology (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
PL98339339A 1997-09-19 1998-09-16 Modified alumoxanate-type catalyst activator PL339339A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5957397P 1997-09-19 1997-09-19
US5957297P 1997-09-19 1997-09-19
US5957497P 1997-09-19 1997-09-19
PCT/US1998/019314 WO1999015534A1 (en) 1997-09-19 1998-09-16 Modified alumoxane catalyst activator

Publications (1)

Publication Number Publication Date
PL339339A1 true PL339339A1 (en) 2000-12-18

Family

ID=27369678

Family Applications (1)

Application Number Title Priority Date Filing Date
PL98339339A PL339339A1 (en) 1997-09-19 1998-09-16 Modified alumoxanate-type catalyst activator

Country Status (13)

Country Link
EP (1) EP1019415A1 (zh)
JP (1) JP2001517714A (zh)
KR (1) KR20010024121A (zh)
CN (1) CN1270595A (zh)
AU (1) AU9393498A (zh)
BR (1) BR9812485A (zh)
CA (1) CA2302173A1 (zh)
HU (1) HUP0004655A3 (zh)
ID (1) ID24920A (zh)
NO (1) NO20001405L (zh)
PL (1) PL339339A1 (zh)
TR (1) TR200000688T2 (zh)
WO (1) WO1999015534A1 (zh)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE222257T1 (de) * 1998-08-11 2002-08-15 Dow Chemical Co Katalysatoraktivatorverbindung
BR9913967B1 (pt) * 1998-09-16 2008-11-18 suporte de catalisador funcionalizado, catalisador suportado, mÉtodo para preparar um suporte de catalisador funcionalizado, mÉtodo para preparar uma composiÇço de catalisador suportado e processo de polimerizaÇço.
US6211311B1 (en) * 1999-05-25 2001-04-03 Equistar Chemicals, L.P. Supported olefin polymerization catalysts
US6294626B1 (en) * 1999-11-15 2001-09-25 Equistar Chemicals, Lp Olefin polymerization catalysts containing modified boraaryl ligands
AU2002224547A1 (en) 2000-07-20 2002-02-05 The Dow Chemical Company Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom
US6495484B1 (en) 2000-08-28 2002-12-17 Univation Technologies, Llc Catalyst system and its use in a polymerization process
US6943133B2 (en) 2000-10-20 2005-09-13 Univation Technologies, Llc Diene functionalized catalyst supports and supported catalyst compositions
JP4770044B2 (ja) * 2001-03-30 2011-09-07 住友化学株式会社 オレフィン重合用触媒成分、オレフィン重合用触媒、およびオレフィン重合体の製造方法
JP2005504853A (ja) 2001-06-15 2005-02-17 ダウ グローバル テクノロジーズ インコーポレイティド アルファ−オレフィンをベースとした枝分れポリマー
DE60215379T2 (de) 2001-11-19 2007-08-23 Ineos Europe Ltd., Staines Polymerisationssteuerungsverfahren
EP1312625A1 (en) 2001-11-20 2003-05-21 BP Chemicals SNC Gas phase polymerization process
US7442669B2 (en) * 2002-03-05 2008-10-28 Tda Research, Inc. Oxidation catalysts comprising metal exchanged hexaaluminate wherein the metal is Sr, Pd, La, and/or Mn
EP1352913B1 (en) * 2002-04-08 2016-06-01 Tosoh Finechem Corporation Preparation of modified methylaluminoxane olefin polymerisation catalyst component
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
WO2004046214A2 (en) 2002-10-15 2004-06-03 Exxonmobil Chemical Patents Inc. Multiple catalyst system for olefin polymerization and polymers produced therefrom
AU2005224258B2 (en) 2004-03-17 2010-09-02 Dow Global Technologies Inc. Catalyst composition comprising shuttling agent for ethylene copolymer formation
ES2397701T3 (es) 2004-03-17 2013-03-08 Dow Global Technologies Llc Composición de catalizador que comprende un agente de transporte para la formación de un copolímero de multi-bloques de olefina superior
TW200604224A (en) 2004-03-17 2006-02-01 Dow Global Technologies Inc Catalyst composition comprising shuttling agent for ethylene copolymer formation
ATE504349T1 (de) 2004-06-16 2011-04-15 Dow Global Technologies Inc Verfahren zur auswahl von polymerisationsmodifikatoren
US7399874B2 (en) 2004-10-29 2008-07-15 Exxonmobil Chemical Patents Inc. Catalyst compound containing divalent tridentate ligand
AU2006227976A1 (en) 2005-03-17 2006-09-28 Dow Global Technologies Inc. Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation
CN101142246B (zh) 2005-03-17 2011-05-25 陶氏环球技术公司 用于形成有规立构/无规立构多嵌段共聚物的包含梭移剂的催化剂组合物
US9410009B2 (en) 2005-03-17 2016-08-09 Dow Global Technologies Llc Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
BRPI0617041B1 (pt) 2005-09-15 2018-01-30 Dow Global Technologies Inc. PROCESSO PARA PREPARAR UM POLÍMERO DIFUNCIONAL EM a, ?"
US8153243B2 (en) 2005-12-09 2012-04-10 Dow Global Technologies Llc Interpolymers suitable for multilayer films
US8101696B2 (en) 2006-05-17 2012-01-24 Dow Global Technologies Llc Polyolefin solution polymerization process and polymer
ITMI20070877A1 (it) 2007-05-02 2008-11-03 Dow Global Technologies Inc Processo per la produzione di copolimeri a blocchi multipli con l'utilizzo di solventi polari
ITMI20070878A1 (it) 2007-05-02 2008-11-03 Dow Global Technologies Inc Processo per la polimerizzazine di polimeri tattici con l'uso di catalizzatori chirali
BRPI0815807B1 (pt) * 2007-08-29 2021-05-11 W.R.Grace & Co.-Conn composição de ativadores de catalisador de aluminoxanos derivados dos agentes precursores do cátion dialquilalumínio, processos para fazer os mesmos, e sua utilização em catalisadores e polimerização de olefinas.
TW200936619A (en) 2007-11-15 2009-09-01 Univation Tech Llc Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom
ES2432965T3 (es) 2008-12-15 2013-12-05 Exxonmobil Chemical Patents Inc. Composiciones de olefinas termoplásticas
EP2411424A2 (en) 2009-03-06 2012-02-01 Dow Global Technologies LLC Catalysts, processes for making catalysts, processes for making polyolefin compositions and polyolefin compositions
ES2651292T3 (es) 2009-07-29 2018-01-25 Dow Global Technologies Llc Agentes de transferencia de cadena de doble o múltiple cabeza y su uso para la preparación de copolímeros de bloque
WO2011016992A2 (en) 2009-07-29 2011-02-10 Dow Global Technologies Inc. Polymeric chain transfer/shuttling agents
EP2490990B1 (en) 2009-10-19 2013-12-04 Sasol Technology (Proprietary) Limited Oligomerisation of olefinic compounds with reduced polymer formation
WO2011078923A1 (en) 2009-12-23 2011-06-30 Univation Technologies, Llc Methods for producing catalyst systems
ES2543635T3 (es) 2010-02-18 2015-08-20 Univation Technologies, Llc Métodos para operación de un reactor de polimerización
JP5727523B2 (ja) 2010-02-22 2015-06-03 ユニベーション・テクノロジーズ・エルエルシー 触媒系及びポリオレフィン製品を製造するための該触媒系の使用方法
EP2630168A4 (en) 2010-10-21 2014-10-29 Exxonmobil Chem Patents Inc POLYETHYLENE AND METHOD OF MANUFACTURING THEREOF
WO2012074709A1 (en) 2010-11-30 2012-06-07 Univation Technologies, Llc Processes for the polymerization of olefins with extracted metal carboxylate salts
MY161763A (en) 2010-11-30 2017-05-15 Univation Tech Llc Catalyst composition having improved flow characteristics and methods of making and using the same
EP2707398B1 (en) 2011-05-13 2017-08-09 Univation Technologies, LLC Spray-dried catalyst compositions and polymerization processes employing the same
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
BR112014010900B1 (pt) 2011-11-08 2020-02-18 Univation Technologies, Llc Método de preparar um sistema de catalisador, sistema catalisador e processo de polimerização
EP2776476B1 (en) 2011-11-08 2019-03-13 Univation Technologies, LLC Methods for producing polyolefins with catalyst systems
WO2014106143A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Supported catalyst with improved flowability
BR112015018250B1 (pt) 2013-01-30 2021-02-23 Univation Technologies, Llc processo para produzir uma composição catalisadora e processo de polimerização
JP6359034B2 (ja) 2013-02-07 2018-07-18 ユニベーション・テクノロジーズ・エルエルシー ポリオレフィンの調製
ES2667196T3 (es) 2013-03-15 2018-05-10 Univation Technologies, Llc Ligandos tridentados basados en nitrógeno para catalizadores de la polimerización de olefinas
EP2970526B1 (en) 2013-03-15 2017-08-09 Univation Technologies, LLC Ligands for catalysts
BR112015029498B1 (pt) 2013-06-05 2020-10-27 Univation Technologies, Llc método para proteger um grupo fenol em um composto precursor e método para gerar um polímero de polietileno
BR112016022780B1 (pt) 2014-04-02 2021-08-17 Univation Technologies, Llc Composição de continuidade
EP3183059A1 (en) 2014-08-19 2017-06-28 Univation Technologies, LLC Fluorinated catalyst supports and catalyst systems
CA2957809C (en) 2014-08-19 2023-01-03 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
BR112017003306B1 (pt) 2014-08-19 2022-03-03 Univation Technologies, Llc Método para preparar um suporte de catalisador fluorado e sistema de catalisador
SG11201707037TA (en) 2015-03-10 2017-09-28 Univation Tech Llc Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes
WO2016172110A1 (en) 2015-04-20 2016-10-27 Univation Technologies, Llc Bridged bi-aromatic ligands and transition metal compounds prepared therefrom
ES2741625T3 (es) 2015-04-20 2020-02-11 Univation Tech Llc Ligandos bi-aromáticos con puente y catalizadores de polimerización de olefinas preparados a partir de los mismos
SG11201708626SA (en) 2015-04-27 2017-11-29 Univation Tech Llc Supported catalyst compositions having improved flow properties and preparation thereof
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
WO2016197037A1 (en) 2015-06-05 2016-12-08 Exxonmobil Chemical Patents Inc. Catalyst system comprising supported alumoxane and unsupported alumoxane particles
WO2016196334A1 (en) 2015-06-05 2016-12-08 Exxonmobil Chemical Patents Inc. Single reactor production of polymers in gas or slurry phase
CN107922537B (zh) 2015-06-05 2021-07-27 埃克森美孚化学专利公司 气相或淤浆相中多相聚合物的制备
EP3353217A4 (en) 2015-09-24 2018-11-07 ExxonMobil Chemical Patents Inc. Polymerization process using pyridyldiamido compounds supported on organoaluminum treated layered silicate supports
JP6832348B2 (ja) 2015-09-30 2021-02-24 ダウ グローバル テクノロジーズ エルエルシー 連鎖シャトリングに有用な多頭性または二頭性組成物、及びそれを調製するためのプロセス
GB201607989D0 (en) * 2016-05-06 2016-06-22 Scg Chemicals Co Ltd Catalytic support and the uses thereof
TW201840572A (zh) 2016-09-30 2018-11-16 美商陶氏全球科技有限責任公司 適用於鏈梭移之多頭或雙頭組合物及其製備方法
TWI756272B (zh) 2016-09-30 2022-03-01 美商陶氏全球科技有限責任公司 適用於鏈梭移之封端多頭或雙頭組合物及其製備方法
BR112019006207B1 (pt) 2016-09-30 2022-11-29 Dow Global Technologies Llc Processo para preparar uma composição, processo de polimerização para preparar uma composição polimérica e composição polimérica
US11542350B2 (en) * 2018-03-30 2023-01-03 Dow Global Technologies Llc Binuclear olefin polymerization activators
SG11202107057WA (en) 2018-12-28 2021-07-29 Dow Global Technologies Llc Curable compositions comprising unsaturated polyolefins
EP3902852A1 (en) 2018-12-28 2021-11-03 Dow Global Technologies LLC Telechelic polyolefins and processes for preparing the same
WO2020139993A1 (en) 2018-12-28 2020-07-02 Dow Global Technologies Llc Curable compositions comprising unsaturated polyolefins
EP3902807A1 (en) 2018-12-28 2021-11-03 Dow Global Technologies LLC Organometallic chain transfer agents
BR112021012786A2 (pt) 2018-12-28 2021-09-14 Dow Global Technologies Llc Formulação curável
CN112645973B (zh) * 2019-10-11 2023-11-21 浙江大学 一种改性烷基铝氧烷的可控制备方法
WO2021247244A2 (en) 2020-06-03 2021-12-09 Exxonmobil Chemical Patents Inc. Process for production of thermoplastic vulcanizates using supported catalyst systems and compositions made therefrom
JP2023534659A (ja) 2020-07-17 2023-08-10 ダウ グローバル テクノロジーズ エルエルシー 拘束幾何プロ触媒のためのヒドロカルビル変性メチルアルミノキサン助触媒

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5939346A (en) * 1992-11-02 1999-08-17 Akzo Nobel N.V. Catalyst system comprising an aryloxyaluminoxane containing an electron withdrawing group
IT1273701B (it) * 1994-07-29 1997-07-09 Enichem Elastomers Derivati metallorganici del grupo iiia e procedimento per la loro preparazione
ES2116188B1 (es) * 1994-12-30 1999-04-01 Repsol Quimica Sa Proceso de obtencion de poliolefinas con distribuciones de pesos moleculares anchas, bimodales o multimodales.
US5670682A (en) * 1995-10-19 1997-09-23 Albemarle Corporation Liquid clathrate aluminoxane compositions

Also Published As

Publication number Publication date
NO20001405D0 (no) 2000-03-17
TR200000688T2 (tr) 2000-08-21
NO20001405L (no) 2000-03-17
WO1999015534A1 (en) 1999-04-01
KR20010024121A (ko) 2001-03-26
CN1270595A (zh) 2000-10-18
BR9812485A (pt) 2000-09-19
AU9393498A (en) 1999-04-12
HUP0004655A2 (hu) 2001-04-28
ID24920A (id) 2000-08-31
EP1019415A1 (en) 2000-07-19
CA2302173A1 (en) 1999-04-01
JP2001517714A (ja) 2001-10-09
HUP0004655A3 (en) 2003-05-28

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