ZA935777B - Process for producing ethylene polymers having reduced hexane extractable content - Google Patents

Process for producing ethylene polymers having reduced hexane extractable content

Info

Publication number
ZA935777B
ZA935777B ZA935777A ZA935777A ZA935777B ZA 935777 B ZA935777 B ZA 935777B ZA 935777 A ZA935777 A ZA 935777A ZA 935777 A ZA935777 A ZA 935777A ZA 935777 B ZA935777 B ZA 935777B
Authority
ZA
South Africa
Prior art keywords
ethylene polymers
producing ethylene
extractable content
hexane extractable
reduced hexane
Prior art date
Application number
ZA935777A
Other languages
English (en)
Inventor
Robert James Jorgensen
Elton Doyle Fowler
George Leonard Goeke
Original Assignee
Union Carbide Chem Plastic
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 Union Carbide Chem Plastic filed Critical Union Carbide Chem Plastic
Publication of ZA935777B publication Critical patent/ZA935777B/xx

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
    • 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

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)
ZA935777A 1992-08-10 1993-08-09 Process for producing ethylene polymers having reduced hexane extractable content ZA935777B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/926,633 US5290745A (en) 1992-08-10 1992-08-10 Process for producing ethylene polymers having reduced hexane extractable content

Publications (1)

Publication Number Publication Date
ZA935777B true ZA935777B (en) 1994-03-08

Family

ID=25453485

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA935777A ZA935777B (en) 1992-08-10 1993-08-09 Process for producing ethylene polymers having reduced hexane extractable content

Country Status (14)

Country Link
US (1) US5290745A (xx)
EP (1) EP0584626A3 (xx)
JP (1) JPH07292031A (xx)
KR (1) KR940003971A (xx)
CN (1) CN1085915A (xx)
AU (1) AU4451593A (xx)
BR (1) BR9303323A (xx)
CA (1) CA2103632A1 (xx)
CZ (1) CZ162893A3 (xx)
FI (1) FI933505A (xx)
HU (1) HUT68489A (xx)
NO (1) NO932833L (xx)
PL (1) PL300014A1 (xx)
ZA (1) ZA935777B (xx)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07206916A (ja) * 1993-12-17 1995-08-08 Union Carbide Chem & Plast Technol Corp ヘキサン抽出性物質の含有率が低減されたエチレンポリマーを製造する方法
US5503914A (en) 1994-07-08 1996-04-02 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from an in situ blend of ethylene copolymers
US5514455A (en) 1994-07-08 1996-05-07 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from an in situ blend of ethylene copolymers
EP0713889A2 (en) 1994-11-23 1996-05-29 Union Carbide Chemicals & Plastics Technology Corporation In situ polyethylene blend
US5589539A (en) 1994-11-23 1996-12-31 Union Carbide Chemicals & Plastics Technology Corporation Process for preparing an in situ polyethylene blend
US5677375A (en) * 1995-07-21 1997-10-14 Union Carbide Chemicals & Plastics Technology Corporation Process for producing an in situ polyethylene blend
US5736258A (en) 1995-11-07 1998-04-07 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from an in situ blend of ethylene copolymers
US5925448A (en) 1995-11-07 1999-07-20 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from a blend of ethylene copolymers
CA2193758A1 (en) 1996-01-04 1997-07-05 Mark Chung-Kong Hwu High strength polyethylene film
US6117399A (en) * 1997-04-23 2000-09-12 Union Carbide Chemicals & Plastics Technology Corporation Fluidized bed polymerization reactor with multiple fluidization grids
US6113862A (en) * 1997-04-23 2000-09-05 Union Carbide Chemicals & Plastics Technology Corporation Fluidized bed polymerization reactor with multiple fluidization grids
US8497330B2 (en) * 1997-12-08 2013-07-30 Univation Technologies, Llc Methods for polymerization using spray dried and slurried catalyst
US20060293470A1 (en) * 2005-06-28 2006-12-28 Cao Phuong A Polymerization process using spray-dried catalyst
US6242545B1 (en) * 1997-12-08 2001-06-05 Univation Technologies Polymerization catalyst systems comprising substituted hafinocenes
US6617405B1 (en) 1999-07-14 2003-09-09 Union Carbide Chemicals & Plastics Technology Corporation Process for the preparation of polyethylene
US6274684B1 (en) * 1999-10-22 2001-08-14 Univation Technologies, Llc Catalyst composition, method of polymerization, and polymer therefrom
US6458738B1 (en) 2000-09-22 2002-10-01 Union Carbide Chemicals & Plastics Technology Corporation Spray-drying compositions and methods of spray-drying
US6388051B1 (en) 2000-12-20 2002-05-14 Union Carbide Chemicals & Plastics Technology Corporation Process for selecting a polyethylene having improved processability
CN1284805C (zh) * 2002-06-03 2006-11-15 尤尼威蒂恩技术有限责任公司 固体颗粒状喷雾干燥的多相催化剂组合物
CN1194993C (zh) * 2002-06-06 2005-03-30 中国石油化工股份有限公司 用于乙烯聚合的固体催化剂组分及其催化剂
US6855655B2 (en) 2002-07-15 2005-02-15 Univation Technologies, Llc Supported polymerization catalyst
US6780808B2 (en) 2002-07-15 2004-08-24 Univation Technologies, Llc Enhanced solubility of magnesium halides and catalysts and polymerization process using same
US6982237B2 (en) * 2002-07-15 2006-01-03 Univation Technologies, Llc Spray-dried polymerization catalyst and polymerization processes employing same
US6806221B2 (en) * 2002-07-15 2004-10-19 Dow Global Technologies Inc. Method for preparing a spray-dried composition for use as a polymerization catalyst
AU2003292199A1 (en) * 2002-12-18 2004-07-09 Basell Poliolefine Italia S.P.A. Catalyst components for the polymerization of olefins
WO2004074329A1 (fr) * 2003-02-24 2004-09-02 China Petroleum & Chemical Corporation Support complexe pour catalyseur de polymerisation du propylene, composant de catalyseur et catalyseur contenant ce composant
MY136156A (en) 2003-04-29 2008-08-29 China Petroleum & Chemical A solid main catalyst component for ethylene polymerization, a process for preparing the same and a catalyst containing the same.
CA2524761A1 (en) * 2003-05-12 2005-02-10 Union Carbide Chemicals & Plastics Technology Corporation Process for control of polymer fines in a gas-phase polymerization
TW200504093A (en) 2003-05-12 2005-02-01 Dow Global Technologies Inc Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom
EP2261268B1 (en) 2003-09-23 2020-04-29 Dow Global Technologies LLC Ethylene polymerization using ziegler-natta catalyst compositions
ITMI20032206A1 (it) * 2003-11-14 2005-05-15 Polimeri Europa Spa Migliorato componente solido di catalizzatore per la (c0)polimerizzazione dell'etilene e processo utilizzante detto.
EP1682587B1 (en) * 2003-11-14 2017-11-01 versalis S.p.A. Improved solid catalyst component
EP1687342B1 (en) * 2003-11-20 2014-04-23 Union Carbide Chemicals & Plastics Technology LLC Spray-dried, mixed metal ziegler catalyst compositions
CN1279069C (zh) * 2003-12-03 2006-10-11 中国石油化工股份有限公司 一种聚乙烯催化剂及其制备方法
US20050182210A1 (en) 2004-02-17 2005-08-18 Natarajan Muruganandam De-foaming spray dried catalyst slurries
US7790826B2 (en) * 2004-05-06 2010-09-07 DowGlobal Technologies Inc. Polymer molding compositions
US7754830B2 (en) 2004-05-20 2010-07-13 Univation Technologies, Llc Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events
US7683140B2 (en) * 2004-05-20 2010-03-23 Univation Technologies, Llc Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring
JP5011106B2 (ja) 2004-07-07 2012-08-29 ダウ グローバル テクノロジーズ エルエルシー エチレンポリマー組成物を製造するためのマルチステージ方法
US20080051537A1 (en) * 2004-08-09 2008-02-28 Carnahan Edmund M Supported Bis(Hydroxylarylaryloxy) Catalysts For Manufacture Of Polymers
MX2007001648A (es) 2004-08-09 2007-04-23 Union Carbide Chem Plastic Procatalizador de ziegler-natta secado por aspersion, fuerte y proceso de polimerizacion que emplea el mismo.
CN102516423A (zh) 2004-08-09 2012-06-27 联合碳化化学及塑料技术有限责任公司 强喷雾干燥的齐格勒-纳塔前催化剂及使用其的聚合方法
US7193017B2 (en) * 2004-08-13 2007-03-20 Univation Technologies, Llc High strength biomodal polyethylene compositions
BRPI0517210B1 (pt) 2004-12-17 2017-01-24 Dow Global Technologies Inc “composição adequada para tubos, composição adequada para películas sopradas, composição adequada para artigos moldados soprados, tubo, película, artigo moldado por sopro e método para melhorar o comportamento de fluxo de fluência de uma resina”
US6987152B1 (en) 2005-01-11 2006-01-17 Univation Technologies, Llc Feed purification at ambient temperature
US7312279B2 (en) * 2005-02-07 2007-12-25 Univation Technologies, Llc Polyethylene blend compositions
US6995235B1 (en) 2005-05-02 2006-02-07 Univation Technologies, Llc Methods of producing polyolefins and films therefrom
US20060281879A1 (en) * 2005-06-13 2006-12-14 Univation Technologies, Llc Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions
US20070049711A1 (en) 2005-09-01 2007-03-01 Chi-I Kuo Catalyst compositions comprising support materials having an improved particle-size distribution
US7947797B2 (en) 2005-09-14 2011-05-24 Univation Technologies, Llc Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness
US20070109911A1 (en) * 2005-11-16 2007-05-17 Neubauer Anthony C High speed and direct driven rotating equipment for polyolefin manufacturing
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
WO2007117520A2 (en) * 2006-04-07 2007-10-18 Dow Global Technologies Inc. Polyolefin compositions, articles made therefrom and methods for preparing the same
KR100718022B1 (ko) * 2006-04-25 2007-05-14 한화석유화학 주식회사 트리 내성 가교 폴리올레핀 조성물
AU2007248497A1 (en) 2006-05-02 2007-11-15 Dow Global Technologies Llc High-density polyethylene compositions, method of making the same, wire and cable jackets made therefrom, and method of making such wire and cable jackets
US7456244B2 (en) * 2006-05-23 2008-11-25 Dow Global Technologies High-density polyethylene compositions and method of making the same
BRPI0716245B1 (pt) * 2006-09-07 2018-07-31 Univation Technologies, Llc Método para determinação do valor da temperatura, indicativo de pegajosidade de resina, a partir de dados gerados por monitoração da reação de polimerização
JP2010502812A (ja) * 2006-09-07 2010-01-28 ユニベーション・テクノロジーズ・エルエルシー 溶融開始温度の降下に対するモデルを用いた樹脂粘着性の程度のオンライン決定のための方法
BRPI0717152B1 (pt) 2006-10-03 2018-07-03 Univation Technologies, Llc. Método para polimerização de olefina e sistema de reação para polimerização de olefina
DE602007006977D1 (de) 2006-10-23 2010-07-15 Dow Global Technologies Inc Polyethylenzusammensetzungen, herstellungsverfahren dafür und gegenstände daraus
JP2010526169A (ja) 2007-05-02 2010-07-29 ダウ グローバル テクノロジーズ インコーポレイティド 高密度ポリエチレン組成物、その製造方法、それから製造される注型物品およびそのような物品の製造方法
US7981517B2 (en) * 2007-08-28 2011-07-19 Dow Global Technologies Inc. Bituminous compositions and methods of making and using same
TW200936564A (en) * 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
KR101555726B1 (ko) * 2007-12-31 2015-09-25 다우 글로벌 테크놀로지스 엘엘씨 에틸렌-기재 중합체 조성물, 그의 제조 방법 및 그로부터 제조된 물품
EP2119732A1 (en) 2008-05-16 2009-11-18 Borealis Technology Oy Metallocene catalyst compositions with improved properties, process for its preparation and use for preparing polyolefin homo- or copolymers
ES2392698T3 (es) 2008-11-10 2012-12-13 Borealis Ag Proceso para la preparación de un sistema catalizador metalocénico sólido, sin soporte, y su uso en la polimerización de olefinas
EP2186831B1 (en) 2008-11-10 2013-01-02 Borealis AG Process for the preparation of an unsupported, solid olefin polymerisation catalyst and use in polymerisation of olefins
BRPI1007430B1 (pt) 2009-01-08 2020-05-12 Univation Technologies, Llc Processo de polimerização de poliolefina
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
EP2382245B1 (en) 2009-01-23 2012-12-19 Evonik Oxeno GmbH Pe mib film zn/cr
JP5787769B2 (ja) 2009-01-23 2015-09-30 エボニック デグサ ゲーエムベーハーEvonik Degussa GmbH 3置換c4−10アルケンとのポリオレフィン気相重合
RU2011135979A (ru) 2009-01-30 2013-03-10 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Композиции полиэтилена высокой плотности, способ их получения, изготовленные из них укупоривающие изделия и способ изготовления таких укупоривающих изделий
ES2589142T3 (es) 2009-11-23 2016-11-10 Dow Global Technologies Llc Composiciones, películas y métodos para preparar las mismas
RU2012128353A (ru) 2009-12-07 2014-01-20 Юнивейшн Текнолоджиз, Ллк Способы уменьшения статического заряда катализатора и способы применения такого катализатора для производства полиолефинов
EP2536767B1 (en) 2010-02-18 2015-05-06 Univation Technologies, LLC Methods for operating a polymerization reactor
ES2693720T3 (es) 2010-02-22 2018-12-13 Univation Technologies, Llc Sistemas catalíticos y métodos para usar los mismos para producir productos poliolefínicos
SG184469A1 (en) 2010-04-05 2012-11-29 Dow Global Technologies Llc Process for polymerizing olefin-based polymers containing high molecular weight fractions in condensed and super-condensed mode
US8809220B2 (en) 2010-04-13 2014-08-19 Union Carbide Chemicals & Plastics Technology Llc Method of making Ziegler-Natta type catalysts
EP2558531B1 (en) 2010-04-13 2017-02-15 Univation Technologies, LLC Polymer blends and films made therefrom
CN102958994A (zh) 2010-04-14 2013-03-06 陶氏环球技术有限责任公司 具有改善的抗蠕变性的由聚乙烯组合物制成的燃料容器
US20130115708A1 (en) 2010-07-16 2013-05-09 Univation Technologies, Llc Systems and Methods for Measuring Particle Accumulation on Reactor Surfaces
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
WO2012082674A1 (en) 2010-12-17 2012-06-21 Univation Technologies, Llc Systems and methods for recovering hydrocarbons from a polyolefin purge gas product
BR112013016116B1 (pt) 2010-12-22 2020-04-28 Univation Tech Llc processo de polimerização e sistema catalisador
RU2013135707A (ru) * 2010-12-31 2015-02-10 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Управление молекулярно-массовым распределением полимера с использованием смешанных каталитических систем
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
US8653208B2 (en) 2012-05-18 2014-02-18 Union Carbide Chemicals & Plastics Technology Llc Process for preparing catalysts and catalysts made thereby
BR112015009194B1 (pt) 2012-11-01 2022-04-26 Univation Technologies, Llc Sistema de catalisador e processo para produzir polímeros baseados em olefina
CN103804556B (zh) * 2012-11-07 2016-09-14 中国石油化工股份有限公司 烯烃聚合方法和乙烯聚合物及其制备方法
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
ES2918582T3 (es) 2012-12-28 2022-07-19 Univation Tech Llc Catalizador soportado con fluidez mejorada
BR112015016824B1 (pt) * 2013-01-14 2020-10-06 Univation Technologies, Llc. Método para produzir um sistema catalítico e processo de polimerização
WO2014209930A1 (en) * 2013-06-29 2014-12-31 Dow Global Technologies Llc A polyethylene composition and process for polymerizing the same
BR112016002597B1 (pt) 2013-08-19 2021-03-02 Dow Global Technologies Llc método para polimerizar um ou mais polímeros à base de etileno
ES2687899T3 (es) 2013-11-15 2018-10-29 Dow Global Technologies Llc Composición catalizadora y método de polimerización que la utiliza
CN104926971B (zh) * 2014-03-18 2017-03-29 中国石油化工股份有限公司 一种烯烃聚合固体催化剂及制备方法
CN105482002B (zh) * 2014-10-10 2018-03-02 中国石油化工股份有限公司 用于乙烯聚合的催化剂组分、催化剂及其制备方法
KR101701398B1 (ko) 2014-11-17 2017-02-01 롯데케미칼 주식회사 폴리에틸렌 합성용 촉매의 제조방법 및 이를 이용한 폴리에틸렌의 제조방법
MX2017007632A (es) 2014-12-11 2017-09-27 Dow Global Technologies Llc Composiciones de polietileno que tienen propiedades de bisagra viva.
CN107107433B (zh) 2015-01-21 2019-09-13 尤尼威蒂恩技术有限责任公司 用于聚烯烃中的凝胶减少的方法
WO2016118599A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for controlling polymer chain scission
US10414887B2 (en) 2015-10-02 2019-09-17 Exxonmobil Chemical Patents Inc. Supported catalyst systems and methods of using same
US10975183B2 (en) 2016-09-09 2021-04-13 Exxonmobil Chemical Patents Inc. Pilot plant scale semi-condensing operation
WO2018075243A1 (en) 2016-10-19 2018-04-26 Exxonmobil Chemical Patents Inc. Supported catalyst systems and methods of using same
WO2018118258A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
CN114395065A (zh) 2016-12-22 2022-04-26 埃克森美孚化学专利公司 喷雾干燥的烯烃聚合催化剂组合物和使用其的聚合方法
CA3052770C (en) 2017-02-07 2021-09-07 Exxonmobil Chemical Patents Inc. Processes for reducing the loss of catalyst activity of a ziegler-natta catalyst
US10479759B2 (en) 2017-02-08 2019-11-19 Clariant Corporation Synthetic methods for the preparation of propylene ammoxidation catalysts
BR112019022081B1 (pt) * 2017-05-03 2023-04-18 Equistar Chemicals, Lp Copolímero de etileno alfa-olefina e método para sua produção
BR112020008992A2 (pt) * 2017-12-05 2020-11-17 Univation Technologies, Llc sistemas de (pró)catalisador ziegler-natta secos por pulverização modificados
WO2019112927A1 (en) * 2017-12-05 2019-06-13 Univation Technologies, Llc Activated spray-dried ziegler-natta catalyst system
AR114620A1 (es) 2017-12-15 2020-09-30 Dow Global Technologies Llc Formulación que contiene una composición de polietileno de alta densidad y cinta de goteo para microirrigación que la contiene
CN108299577A (zh) * 2018-01-31 2018-07-20 上海化工研究院有限公司 一种烯烃聚合催化剂及其制备方法和应用
US11447587B2 (en) 2018-05-02 2022-09-20 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
CN112055720B (zh) 2018-05-02 2022-11-22 埃克森美孚化学专利公司 从中试装置放大到较大生产设施的方法
US20210380730A1 (en) 2018-10-26 2021-12-09 China Petroleum & Chemical Corporation Polyolefin catalyst component containing mesoporous material, preparation method therefor and use thereof
AR119038A1 (es) 2019-06-11 2021-11-17 Dow Global Technologies Llc Tapas o cierres moldeados por inyección y métodos de estos
WO2022020025A1 (en) 2020-07-22 2022-01-27 Exxonmobil Chemical Patents Inc. Polyolefin compositions and articles thereof
EP4259669A1 (en) 2020-12-08 2023-10-18 ExxonMobil Chemical Patents Inc. High density polyethylene compositions with long-chain branching
EP4263701A1 (en) 2020-12-21 2023-10-25 Dow Global Technologies LLC Polyethylene compositions for closure applications
US20240084116A1 (en) 2021-01-29 2024-03-14 Dow Global Technologies Llc Thermoplastic compositions comprising bimodal polyethylene and articles manufactured therefrom
WO2022260896A1 (en) 2021-06-10 2022-12-15 Dow Global Technologies Llc Catalyst compositions that have modified activity and processes to make them
WO2023081577A1 (en) 2021-11-02 2023-05-11 Exxonmobil Chemical Patents Inc. Polyethylene compositions, articles thereof, and methods thereof
WO2023154771A1 (en) 2022-02-11 2023-08-17 Dow Global Technologies Llc Bimodal medium density polyethylene compositions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177314C (nl) * 1974-04-08 1985-09-02 Mitsubishi Chem Ind Werkwijze voor het bereiden van een katalysatorcomplex, en werkwijze voor het polymeriseren van een alkeen met deze katalysator.
CA1104298A (en) * 1978-02-23 1981-06-30 Akinobu Shiga Catalysts for the polymerization of olefins
US4410672A (en) * 1980-04-23 1983-10-18 Showa Denko Kabushiki Kaisha Polymerization catalysts and process for the production of ethylenic polymers by use thereof
JPS5968306A (ja) * 1982-10-13 1984-04-18 Mitsubishi Chem Ind Ltd エチレン共重合体の製造方法
CS244770B1 (cs) * 1984-08-23 1986-08-14 Vladimir Bocek Katalyzátor pro polymeraci a kopolymeraci etvlenu
JP2654687B2 (ja) * 1989-05-17 1997-09-17 東燃株式会社 オレフイン重合用触媒成分

Also Published As

Publication number Publication date
KR940003971A (ko) 1994-03-14
AU4451593A (en) 1994-02-17
EP0584626A2 (en) 1994-03-02
NO932833D0 (no) 1993-08-09
HUT68489A (en) 1995-04-25
FI933505A (fi) 1994-02-11
CZ162893A3 (en) 1994-02-16
EP0584626A3 (en) 1994-10-05
CA2103632A1 (en) 1994-02-11
US5290745A (en) 1994-03-01
FI933505A0 (fi) 1993-08-09
CN1085915A (zh) 1994-04-27
HU9302300D0 (en) 1993-11-29
JPH07292031A (ja) 1995-11-07
NO932833L (no) 1994-02-11
BR9303323A (pt) 1994-03-22
PL300014A1 (en) 1994-02-21

Similar Documents

Publication Publication Date Title
ZA935777B (en) Process for producing ethylene polymers having reduced hexane extractable content
HUP9801897A3 (en) Process for producing compositions containing ethylene polymers
IL110136A0 (en) Process for producing functionalized polymers
KR0163665B1 (en) Process for preparing propylene block copolymers
EP0899279A3 (en) Process for the preparation of ethylene polymers
AU4153193A (en) Hydroformylation process for producing 1,6-hexanedials
EP0643078A3 (en) Process for the production of ethylene polymers and products obtained therefrom.
EP0485820A3 (en) Process for preparing olefin polymers
EP0497531A3 (en) Process for producing ethylene polymers
ZA951189B (en) Process for preparing solid organoaluminoxy product useful as polymerization catalyst
HU9302705D0 (en) Process for ethylene polymerization
EP0574258A3 (en) Process for producing alpha-olefin polymers
SG44464A1 (en) Process for producing olefin polymers
AU8151894A (en) Process for producing ethylene polymers having reduced hexane extractable content
EP0590988A3 (en) Process for producing crosslinked polymer containing carboxyl group
EP0745617A3 (en) Process for the polymerization of olefins
AU1051592A (en) Process for reducing hexane extractables from ethylene copolymers
EP0566349A3 (en) Process for producing alpha-olefin polymers
EP0525608A3 (en) Process for producing olefin polymer
AU7944191A (en) Catalyst and process for making ethylene polymers
EP0705860A3 (de) Verfahren zur Herstellung von stickstoffhaltigen Polymeren
ZA934666B (en) Process for preparing ethylene copolymer
ZA957403B (en) Process for the production of ethylene co-polymers
HU9402303D0 (en) Improved process for producing 3-carbonyl-androstadiene-17-carboxamides
SG84505A1 (en) Process for producing an organo-aluminoxane composition for olefin polymerization