TW298593B - - Google Patents

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Publication number
TW298593B
TW298593B TW083100946A TW83100946A TW298593B TW 298593 B TW298593 B TW 298593B TW 083100946 A TW083100946 A TW 083100946A TW 83100946 A TW83100946 A TW 83100946A TW 298593 B TW298593 B TW 298593B
Authority
TW
Taiwan
Prior art keywords
dichloride
bis
chromium
dimethylsilyl
methyl
Prior art date
Application number
TW083100946A
Other languages
English (en)
Chinese (zh)
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
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of TW298593B publication Critical patent/TW298593B/zh

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    • 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
    • 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
    • C08F4/65912Component covered by group C08F4/64 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
    • C08F4/64Titanium, 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
    • C08F4/65922Component 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
    • 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
    • Y10S502/00Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/522Radiant or wave energy activated
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
TW083100946A 1993-02-12 1994-02-04 TW298593B (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4304286 1993-02-12

Publications (1)

Publication Number Publication Date
TW298593B true TW298593B (OSRAM) 1997-02-21

Family

ID=6480336

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083100946A TW298593B (OSRAM) 1993-02-12 1994-02-04

Country Status (7)

Country Link
US (1) US5719095A (OSRAM)
EP (1) EP0615981B1 (OSRAM)
JP (1) JP3425794B2 (OSRAM)
KR (1) KR100312665B1 (OSRAM)
CN (1) CN1053673C (OSRAM)
DE (1) DE59405876D1 (OSRAM)
TW (1) TW298593B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9712666B2 (en) 2013-08-29 2017-07-18 Unify Gmbh & Co. Kg Maintaining audio communication in a congested communication channel
US10069965B2 (en) 2013-08-29 2018-09-04 Unify Gmbh & Co. Kg Maintaining audio communication in a congested communication channel

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6143686A (en) * 1994-08-03 2000-11-07 Exxon Chemical Patents, Inc. Supported ionic catalyst compositions
US6506866B2 (en) * 1994-11-17 2003-01-14 Dow Global Technologies Inc. Ethylene copolymer compositions
EP0792297B1 (en) * 1994-11-17 2002-12-18 The Dow Chemical Company Supported catalyst component, supported catalyst, their preparation, and addition polymerization process
US6043180A (en) * 1994-11-17 2000-03-28 The Dow Chemical Company Supported catalyst component, supported catalyst, their preparation, and addition polymerization process
DE69710838T2 (de) * 1996-04-22 2002-10-31 Japan Polyolefins Co. Ltd., Tokio/Tokyo Katalysator zur polyolefinherstellung und polyolefinherstellungsverfahren
JPH10120716A (ja) * 1996-08-27 1998-05-12 Mitsui Chem Inc 予備重合固体状触媒、その調製方法およびオレフィンの不均一系重合方法
US5968864A (en) * 1996-12-20 1999-10-19 Fina Technology, Inc. Catalyst efficiency for supported metallocene catalyst
US6245868B1 (en) 1998-05-29 2001-06-12 Univation Technologies Catalyst delivery method, a catalyst feeder and their use in a polymerization process
US6562918B1 (en) * 1999-02-04 2003-05-13 Idemitsu Petrochemical Co., Ltd. Olefin polymerization catalyst, method for producing the same and method for producing olefinic polymer
EP2261292B1 (en) 2002-10-15 2014-07-23 ExxonMobil Chemical Patents Inc. Polyolefin adhesive compositions
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
EP2327727B1 (en) 2004-03-17 2015-07-22 Dow Global Technologies LLC Catalyst composition comprising shuttling agent for ethylene copolymer formation
TWI391412B (zh) 2004-03-17 2013-04-01 Dow Global Technologies Llc 包含用於形成乙烯多嵌段共聚物之穿梭劑的催化劑組成物
EP2357203B1 (en) 2004-03-17 2017-05-24 Dow Global Technologies LLC Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation
US7435525B2 (en) * 2004-05-07 2008-10-14 Hitachi Chemical Dupont Microsystems Ltd. Positive photosensitive resin composition, method for forming pattern, and electronic part
JP5188178B2 (ja) 2004-06-16 2013-04-24 ダウ グローバル テクノロジーズ エルエルシー 重合調整剤を選択するための技術
ES2483241T3 (es) 2004-08-09 2014-08-06 Dow Global Technologies Inc. Catalizadores de bis(hidroxiarilariloxilo) soportados para la fabricación de polímeros
WO2006049699A1 (en) 2004-10-29 2006-05-11 Exxonmobil Chemical Patents Inc Catalyst compound containing divalent tridentate ligand
WO2006069205A1 (en) 2004-12-21 2006-06-29 Dow Global Technologies Inc. Polypropylene-based adhesive compositions
KR20070117675A (ko) 2005-03-17 2007-12-12 다우 글로벌 테크놀로지스 인크. 택틱/아택틱 멀티-블록 공중합체의 형성을 위한 이동제를포함하는 촉매 조성물
US9410009B2 (en) 2005-03-17 2016-08-09 Dow Global Technologies Llc Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
CA2600318A1 (en) 2005-03-17 2006-09-28 Dow Global Technologies Inc. Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation
EP1721913A1 (en) * 2005-05-09 2006-11-15 Total Petrochemicals Research Feluy Microwave-promoted creation of catalytic species
KR20080055837A (ko) 2005-09-15 2008-06-19 다우 글로벌 테크놀로지스 인크. 중합가능한 셔틀링제를 통한 촉매성 올레핀 블럭 공중합체
SG165384A1 (en) 2005-09-15 2010-10-28 Dow Global Technologies Inc Control of polymer architecture and molecular weight distribution via multi-centered shuttling agent
US8153243B2 (en) 2005-12-09 2012-04-10 Dow Global Technologies Llc Interpolymers suitable for multilayer films
EP1973655B1 (en) 2005-12-16 2013-03-20 Dow Global Technologies LLC Polydentate heteroatom ligand containing metal complexes, catalysts and methods of making and using the same
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
JP5583402B2 (ja) 2006-05-17 2014-09-03 ダウ グローバル テクノロジーズ エルエルシー 高効率溶液重合プロセス
US7879748B2 (en) * 2006-08-09 2011-02-01 Umicore Ag & Co. Kg Method for producing a catalyst and the catalyst made therefrom
KR20100015391A (ko) 2007-03-07 2010-02-12 다우 글로벌 테크놀로지스 인크. 테더링된 담지 전이 금속 착체
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
TW200932762A (en) 2007-10-22 2009-08-01 Univation Tech Llc Polyethylene compositions having improved properties
EP2212359B1 (en) 2007-11-19 2013-08-28 Dow Global Technologies LLC Long chain branched propylene-alpha-olefin copolymers
US8148481B2 (en) 2008-12-18 2012-04-03 Univation Technologies, Llc Method for seed bed treatment for a polymerization reaction
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
WO2011016992A2 (en) 2009-07-29 2011-02-10 Dow Global Technologies Inc. Polymeric chain transfer/shuttling agents
SG178111A1 (en) 2009-07-29 2012-03-29 Dow Global Technologies Llc Dual- or multi-headed chain shuttling agents and their use for the preparation of block copolymers
US8859696B2 (en) 2009-10-19 2014-10-14 Sasol Technology (Pty) Limited Oligomerisation of olefinic compounds with reduced polymer formation
EP2495263B1 (en) 2009-10-26 2014-04-16 China Petroleum & Chemical Corporation Supported non-metallocene catalyst, preparation method and uses thereof
US8952112B2 (en) 2009-10-26 2015-02-10 China Petroleum & Chemical Corp. Supported nonmetallocene catalyst, preparation and use thereof
JP5670466B2 (ja) 2009-11-13 2015-02-18 中国石油化工股▲ふん▼有限公司 担持型非メタロセン触媒、その製造方法およびその使用
EP2500364B1 (en) 2009-11-13 2020-03-04 China Petroleum & Chemical Corporation Supported non-metallocene catalyst preparation method and application thereof
RU2430116C1 (ru) * 2010-01-29 2011-09-27 Закрытое Акционерное Общество "Сибур Холдинг" Способ полимеризации и сополимеризации олефиновых олигомеров
RU2424055C1 (ru) * 2010-03-16 2011-07-20 Закрытое Акционерное Общество "Сибур Холдинг" Способ получения каталитической системы полимеризации олефинов
EP2646480B1 (en) 2010-11-30 2016-04-13 Univation Technologies, LLC Processes for the polymerization of olefins with extracted metal carboxylate salts
JP5859561B2 (ja) 2010-11-30 2016-02-10 ユニベーション・テクノロジーズ・エルエルシー 改善された流動特性を有する触媒組成物並びにその製造方法及び使用方法
CN103534279B (zh) 2011-05-13 2016-08-17 尤尼威蒂恩技术有限责任公司 喷雾干燥的催化剂组合物及使用其的聚合方法
KR102214265B1 (ko) 2013-01-14 2021-02-10 유니베이션 테크놀로지즈, 엘엘씨 증가된 생산성을 갖는 촉매 시스템의 제조 방법
CN105189566A (zh) 2013-01-30 2015-12-23 尤尼威蒂恩技术有限责任公司 制造具有改进的流动的催化剂组合物的方法
EP3747913B1 (en) 2014-04-02 2024-04-17 Univation Technologies, LLC Continuity compositions and olefin polymerisation method using the same
CA2978925C (en) 2015-03-10 2023-08-22 Univation Technologies, Llc Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes
EP3286202B1 (en) 2015-04-20 2019-03-13 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
BR112017023052B1 (pt) 2015-04-27 2022-05-10 Univation Technologies, Llc Composição de catalisador de polimerização de poliolefina suportada e método para a produção de composição de catalisador de polimerização de olefina suportada
BR112018005199B1 (pt) 2015-09-30 2020-12-15 Dow Global Technologies Llc Processo para a preparação de uma composição, composição e processo para polimerização de pelo menos um monômero polimerizável por adição para formar uma composição de polímero
US11359038B2 (en) 2016-09-30 2022-06-14 Dow Global Technologies Llc Capped multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
EP4435013A3 (en) 2016-09-30 2024-12-25 Dow Global Technologies LLC Process for preparing multi- or dual-headed compositions useful for chain shuttling
WO2018064553A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
CN110498873A (zh) * 2018-05-17 2019-11-26 中国石油天然气股份有限公司 一种烷基铝氧烷的预处理方法、茂金属催化剂的制备方法及烯烃聚合方法
US12275810B2 (en) 2018-12-28 2025-04-15 Dow Global Technologies Llc Telechelic polyolefins and processes for preparing the same
KR20210121028A (ko) 2018-12-28 2021-10-07 다우 글로벌 테크놀로지스 엘엘씨 유기금속 사슬 이동제
KR102873284B1 (ko) 2018-12-28 2025-10-21 다우 글로벌 테크놀로지스 엘엘씨 불포화 폴리올레핀을 포함하는 경화성 조성물
US20220064345A1 (en) 2018-12-28 2022-03-03 Dow Global Technologies Llc Curable compositions comprising telechelic polyolefins
WO2020135708A1 (en) 2018-12-28 2020-07-02 Dow Global Technologies Llc Curable compositions comprising unsaturated polyolefins
CN118302458A (zh) 2021-12-16 2024-07-05 切弗朗菲利浦化学公司 硫酸化膨润土的改性及其在用于烯烃聚合的茂金属催化剂系统中的用途
CN115650286B (zh) * 2022-10-24 2024-06-21 浙江大学 一种rGO/MXene/TiO2/Fe2C多级异质结构多孔微球吸波材料的制备方法
CN117586439B (zh) * 2024-01-17 2024-03-26 营口风光新材料股份有限公司 一种复合型茂金属催化剂及其制备方法与应用

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1530445A (en) * 1976-01-09 1978-11-01 British Petroleum Co Polymerisation catalyst
US4564647A (en) * 1983-11-14 1986-01-14 Idemitsu Kosan Company Limited Process for the production of polyethylene compositions
EP0314797B1 (en) * 1987-04-20 1997-07-02 Mitsui Petrochemical Industries, Ltd. Olefin polymerization catalyst and process for polymerizing olefin
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
FR2659337B1 (fr) * 1990-03-12 1992-06-05 Bp Chemicals Snc Procede de preparation d'un catalyseur a base de zirconium, de titane et/ou de vanadium supporte sur du chlorure de magnesium, et utilisation du catalyseur dans la polymerisation des olefines.
US5308816A (en) * 1991-05-31 1994-05-03 Mitsui Petrochemical Industries, Ltd. Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization
DE4121368A1 (de) * 1991-06-28 1993-01-07 Hoechst Ag Katalysator und verfahren zur herstellung von hochmolekularen polyolefinen
TW337527B (en) * 1992-01-24 1998-08-01 Hoechst Ag Catalyst for the polymerization of olefins, process for the preparation thereof, and use thereof
TW304963B (OSRAM) * 1992-01-27 1997-05-11 Hoechst Ag
FI112233B (fi) * 1992-04-01 2003-11-14 Basell Polyolefine Gmbh Katalyytti olefiinipolymerointia varten, menetelmä sen valmistamiseksi ja sen käyttö
EP0578838A1 (en) * 1992-04-29 1994-01-19 Hoechst Aktiengesellschaft Olefin polymerization catalyst, process for its preparation, and its use
TW369545B (en) * 1993-02-12 1999-09-11 Hoechst Ag Process for preparing cycloolefin copolymers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9712666B2 (en) 2013-08-29 2017-07-18 Unify Gmbh & Co. Kg Maintaining audio communication in a congested communication channel
US10069965B2 (en) 2013-08-29 2018-09-04 Unify Gmbh & Co. Kg Maintaining audio communication in a congested communication channel

Also Published As

Publication number Publication date
CN1096517A (zh) 1994-12-21
JP3425794B2 (ja) 2003-07-14
KR100312665B1 (ko) 2001-12-28
EP0615981A2 (de) 1994-09-21
DE59405876D1 (de) 1998-06-10
EP0615981A3 (de) 1994-11-17
CN1053673C (zh) 2000-06-21
EP0615981B1 (de) 1998-05-06
US5719095A (en) 1998-02-17
JPH072920A (ja) 1995-01-06

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