AR038976A1 - Complejos de metal de indenilo sustituido y procedimiento de polimerizacion - Google Patents

Complejos de metal de indenilo sustituido y procedimiento de polimerizacion

Info

Publication number
AR038976A1
AR038976A1 ARP030100906A ARP030100906A AR038976A1 AR 038976 A1 AR038976 A1 AR 038976A1 AR P030100906 A ARP030100906 A AR P030100906A AR P030100906 A ARP030100906 A AR P030100906A AR 038976 A1 AR038976 A1 AR 038976A1
Authority
AR
Argentina
Prior art keywords
group
hydrogen
substituted
atoms
independently
Prior art date
Application number
ARP030100906A
Other languages
English (en)
Original Assignee
Dow Global Technologies Inc
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 Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of AR038976A1 publication Critical patent/AR038976A1/es

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    • 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
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • C08F210/02Ethene
    • 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
    • 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
    • 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
    • C08F2420/00Metallocene catalysts
    • C08F2420/02Cp or analog bridged to a non-Cp X anionic donor
    • 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
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943Polymerization 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

Se relevan complejos de metal que comprenden un grupo inden-1-ilo sustituido o derivado del mismo hidrógeno o parcialmente hidrogenado, en donde dicho grupo es sustituido por lo menos en la posición 2 del mismo con un grupo ligante C4-30 que contiene un patrón de sustitución secundaria o terciaria en el carbono b del mismo; catalizadores de polimerización, y procedimientos de polimerización de olefina que utilizan los mismos. Reivindicación 1: Un compuesto de metal que corresponde a la fórmula: CpM(Z)z(X)x(T)t(X')x', Cp es un grupo inden-1-ilo sustituido o un derivado parcialmente hidrogenado del mismo, en donde dicho grupo es sustituido por lo menos en la posición 2 del mismo con un alquilo C4-30, aralquilo, o grupo trihidrocarbilsililhidrocarbilo o un derivado del mismo que contiene heteroátomo Grupo 15 o 16, en donde dicho grupo contiene 2 ó 3 sustituyentes que no son hidrógeno en una posición-? del mismo; M es un metal seleccionado entre los Grupos 3-10 o la serie Lantanida de la Tabla Periódica de Elementos; Z es una parte divalente de la fórmula -Z'Y- que une Cp y M, en donde Z' ese SIR62, CR62, SIR62CR62, CR6=CR6, CR62SIR62, BR6, o GeR62, unido en la posición 1 Cp; Y' es -O-, -S-, -NR5-, -PR5-; NR5-, o -PR52; R5, independientemente en cada caso, es hidrocarbilo, trihidrocarbilsililo o trihidrocarbilsililhidrocarbilo, en donde dicho R5 posee hasta 20 átomos que no sean hidrógeno, y opcionalmente dos grupos R5 o R5 junto con Y forman un sistema de anillo; R6, independientemente en cada caso, es hidrógeno, o un miembro seleccionado entre hidrocarbilo, hidrocarbiloxi, sililo, alquilo halogenado, arilo halogenado, -NR52, y combinaciones de los mismos, en donde dicho R6 posee hasta 30 átomos que no son hidrógenos, y opcionalmente dos grupos R6 forman un sistema de anillo; X es hidrógeno o un grupo ligante aniónico monovalente que posee hasta 60 átomos que no cuentan con hidrógeno; T independientemente en cada caso, es un compuesto ligante neutral que posee hasta 20 átomos, que no son hidrógeno, y opcionalmente T y X se unen; X' es un grupo ligante aniónico divalente que posee hasta 60 átomos que no son hidrógeno; z es 0, 1 ó 2; x 0, 1, 2 ó 3; t es un número de 0 a 2, y x' es 0 ó 1.
ARP030100906A 2002-03-14 2003-03-14 Complejos de metal de indenilo sustituido y procedimiento de polimerizacion AR038976A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36470602P 2002-03-14 2002-03-14

Publications (1)

Publication Number Publication Date
AR038976A1 true AR038976A1 (es) 2005-02-02

Family

ID=28041952

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030100906A AR038976A1 (es) 2002-03-14 2003-03-14 Complejos de metal de indenilo sustituido y procedimiento de polimerizacion

Country Status (13)

Country Link
US (1) US7098356B2 (es)
EP (1) EP1487886B1 (es)
JP (2) JP4624679B2 (es)
KR (2) KR20100101024A (es)
CN (1) CN100484973C (es)
AR (1) AR038976A1 (es)
AT (1) ATE403684T1 (es)
AU (1) AU2003216476A1 (es)
CA (1) CA2477776C (es)
DE (1) DE60322684D1 (es)
ES (1) ES2307956T3 (es)
SA (1) SA03240063B1 (es)
WO (1) WO2003078483A1 (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100101024A (ko) * 2002-03-14 2010-09-15 다우 글로벌 테크놀로지스 인크. 치환된 인데닐 금속 착물
AR048104A1 (es) 2004-03-17 2006-03-29 Dow Global Technologies Inc Composicion catalizadora que comprende un agente de enlace para la formacion de copolimeros superiores de olefina en bloques multiples
BRPI0508161B1 (pt) 2004-03-17 2015-11-17 Dow Global Technologies Inc Composição, processo para preparar um homopolímero em multibloco de alto peso molecular e processo para preparar um copolímero em multibloco de alto peso molecular”
SG183749A1 (en) 2004-03-17 2012-09-27 Dow Global Technologies Llc Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation
ATE504349T1 (de) 2004-06-16 2011-04-15 Dow Global Technologies Inc Verfahren zur auswahl von polymerisationsmodifikatoren
US9410009B2 (en) 2005-03-17 2016-08-09 Dow Global Technologies Llc Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
ZA200708784B (en) 2005-03-17 2009-01-28 Dow Global Technologies Inc Catalyst composition comprising shuttling agent for tactic/atactic multi-block copolymer formation
ZA200708785B (en) 2005-03-17 2009-01-28 Dow Global Technologies Inc Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation
AR058448A1 (es) 2005-09-15 2008-02-06 Dow Global Technologies Inc Control de arquitectura del polimero y distribucoin de peso molecular va el agente de transferencia multi- centrado
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
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
CA2768987A1 (en) 2009-07-29 2011-02-03 Dow Global Technologies Llc Multifunctional chain shuttling agents
EP3549960B1 (en) 2010-02-19 2021-03-24 Dow Global Technologies LLC Process for polymerizing an olefin monomer and catalyst therefor
CN102822180B (zh) 2010-02-19 2016-06-15 陶氏环球技术有限责任公司 金属配体配合物和催化剂
WO2012103080A1 (en) 2011-01-26 2012-08-02 Dow Global Technologies Llc Process for making a polyolefin-polysiloxane block copolymer
WO2012155022A1 (en) 2011-05-12 2012-11-15 Dow Global Technologies Llc Non-cyclopentadienyl-based chromium catalysts for olefin polymerization
KR101212637B1 (ko) * 2011-06-09 2012-12-14 에스케이종합화학 주식회사 신규한 사이클로펜타[b]플루오레닐 전이금속 화합물, 이를 포함하는 전이금속 촉매 조성물, 및 이를 이용한 에틸렌 단독중합체 또는 에틸렌과 α-올레핀의 공중합체의 제조방법
CN103890023B (zh) 2011-10-24 2016-11-16 三菱化学株式会社 热塑性弹性体组合物及其制造方法
KR101774615B1 (ko) * 2013-12-02 2017-09-04 주식회사 엘지화학 인덴기를 갖는 메탈로센형 촉매 및 이를 이용한 올레핀 중합체의 제조방법
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
JP7123040B2 (ja) 2016-09-30 2022-08-22 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または二頭組成物の調製方法
US11174329B2 (en) 2016-09-30 2021-11-16 Dow Global Technologies Llc Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
WO2018064546A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Capped multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
KR102631009B1 (ko) 2017-03-15 2024-01-30 다우 글로벌 테크놀로지스 엘엘씨 다중-블록 공중합체 형성을 위한 촉매 시스템
SG11201908306TA (en) 2017-03-15 2019-10-30 Dow Global Technologies Llc Catalyst system for multi-block copolymer formation
CN110603274B (zh) 2017-03-15 2022-09-30 陶氏环球技术有限责任公司 用于形成多嵌段共聚物的催化剂体系
BR112019019130B1 (pt) 2017-03-15 2023-03-28 Dow Global Technologies Llc Sistema catalisador de polimerização de olefina e processo para preparar um copolímero de múltiplos blocos
KR102648625B1 (ko) 2017-03-15 2024-03-19 다우 글로벌 테크놀로지스 엘엘씨 다중-블록 공중합체 형성을 위한 촉매 시스템
WO2019064247A1 (ko) * 2017-09-29 2019-04-04 사빅 에스케이 넥슬렌 컴퍼니 피티이 엘티디 신규한 인덴계 전이금속 화합물, 이를 포함하는 전이금속 촉매 조성물, 및 이를 이용한 에틸렌 단독중합체 또는 에틸렌과 α-올레핀의 공중합체의 제조방법
KR102643986B1 (ko) 2017-09-29 2024-03-07 사빅 에스케이 넥슬렌 컴퍼니 피티이 엘티디 신규한 인덴계 전이금속 화합물, 이를 포함하는 전이금속 촉매 조성물, 및 이를 이용한 에틸렌 단독중합체 또는 에틸렌과 α-올레핀의 공중합체의 제조방법
KR20200135420A (ko) 2018-03-19 2020-12-02 다우 글로벌 테크놀로지스 엘엘씨 규소-말단화된 유기-금속 화합물 및 이를 제조하는 방법
EP3865522A4 (en) * 2019-09-27 2022-05-18 LG Chem, Ltd. POLYETHYLENE AND RELATED CHLORINATED POLYETHYLENE

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ235032A (en) * 1989-08-31 1993-04-28 Dow Chemical Co Constrained geometry complexes of titanium, zirconium or hafnium comprising a substituted cyclopentadiene ligand; use as olefin polymerisation catalyst component
JP2545006B2 (ja) * 1990-07-03 1996-10-16 ザ ダウ ケミカル カンパニー 付加重合触媒
US5721185A (en) * 1991-06-24 1998-02-24 The Dow Chemical Company Homogeneous olefin polymerization catalyst by abstraction with lewis acids
US5374696A (en) * 1992-03-26 1994-12-20 The Dow Chemical Company Addition polymerization process using stabilized reduced metal catalysts
US5470993A (en) * 1993-06-24 1995-11-28 The Dow Chemical Company Titanium(II) or zirconium(II) complexes and addition polymerization catalysts therefrom
US5486632A (en) * 1994-06-28 1996-01-23 The Dow Chemical Company Group 4 metal diene complexes and addition polymerization catalysts therefrom
US5541349A (en) * 1994-09-12 1996-07-30 The Dow Chemical Company Metal complexes containing partially delocalized II-bound groups and addition polymerization catalysts therefrom
KR100419698B1 (ko) * 1995-10-27 2004-05-17 다우 글로벌 테크놀로지스 인크. 치환된인데닐을함유하는금속착물및올레핀중합방법
DE19543427C2 (de) 1995-11-21 2003-01-30 Infineon Technologies Ag Chipmodul, insbesondere zum Einbau in eine Chipkarte
WO1998006728A1 (en) * 1996-08-08 1998-02-19 The Dow Chemical Company 2-heteroatom substituted cyclopentadienyl-containing metal complexes and olefin polymerization process
US6015868A (en) * 1996-10-03 2000-01-18 The Dow Chemical Company Substituted indenyl containing metal complexes and olefin polymerization process
US5866704A (en) * 1996-12-19 1999-02-02 The Dow Chemical Company 3-aryl substituted indenyl containing metal complexes and polymerization process
US5965756A (en) * 1996-12-19 1999-10-12 The Dow Chemical Company Fused ring substituted indenyl metal complexes and polymerization process
WO1998049212A1 (en) * 1997-04-30 1998-11-05 The Dow Chemical Company Ethylene/alpha-olefin/diene interpolymers and their preparation
US6150297A (en) * 1997-09-15 2000-11-21 The Dow Chemical Company Cyclopentaphenanthrenyl metal complexes and polymerization process
KR20100101024A (ko) * 2002-03-14 2010-09-15 다우 글로벌 테크놀로지스 인크. 치환된 인데닐 금속 착물

Also Published As

Publication number Publication date
EP1487886B1 (en) 2008-08-06
EP1487886A1 (en) 2004-12-22
JP2010189396A (ja) 2010-09-02
ATE403684T1 (de) 2008-08-15
ES2307956T3 (es) 2008-12-01
KR20100101024A (ko) 2010-09-15
KR101002620B1 (ko) 2010-12-21
AU2003216476A1 (en) 2003-09-29
WO2003078483A1 (en) 2003-09-25
JP4624679B2 (ja) 2011-02-02
US20050143536A1 (en) 2005-06-30
CN100484973C (zh) 2009-05-06
KR20040091742A (ko) 2004-10-28
CN1643004A (zh) 2005-07-20
SA03240063B1 (ar) 2007-12-29
US7098356B2 (en) 2006-08-29
JP2005519969A (ja) 2005-07-07
DE60322684D1 (de) 2008-09-18
CA2477776C (en) 2011-11-15
CA2477776A1 (en) 2003-09-25

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