GB1146145A - Improved polymerization process - Google Patents

Improved polymerization process

Info

Publication number
GB1146145A
GB1146145A GB21449/66A GB2144966A GB1146145A GB 1146145 A GB1146145 A GB 1146145A GB 21449/66 A GB21449/66 A GB 21449/66A GB 2144966 A GB2144966 A GB 2144966A GB 1146145 A GB1146145 A GB 1146145A
Authority
GB
United Kingdom
Prior art keywords
ethylene
catalyst
silylchromate
copolymerize
olefins
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB21449/66A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Corp filed Critical Union Carbide Corp
Publication of GB1146145A publication Critical patent/GB1146145A/en
Expired legal-status Critical Current

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
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • 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
    • 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
    • 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
    • Y10S526/902Monomer polymerized in bulk in presence of transition metal containing catalyst
    • 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
    • Y10S526/905Polymerization in presence of transition metal containing catalyst in presence of hydrogen
    • 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
    • Y10S526/912Reaction medium purification

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB21449/66A 1965-05-14 1966-05-13 Improved polymerization process Expired GB1146145A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US455941A US3324101A (en) 1965-05-14 1965-05-14 Olefin polymerization process and catalyst therefor
US455975A US3324095A (en) 1965-05-14 1965-05-14 Polymerization process

Publications (1)

Publication Number Publication Date
GB1146145A true GB1146145A (en) 1969-03-19

Family

ID=27038028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21449/66A Expired GB1146145A (en) 1965-05-14 1966-05-13 Improved polymerization process

Country Status (7)

Country Link
US (2) US3324101A (en, 2012)
BE (1) BE680954A (en, 2012)
DE (1) DE1645585C2 (en, 2012)
DK (1) DK130722B (en, 2012)
GB (1) GB1146145A (en, 2012)
NL (2) NL6606632A (en, 2012)
SE (1) SE388863B (en, 2012)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513150A (en) * 1965-11-23 1970-05-19 Mitsubishi Chem Ind Method of manufacturing polyethylene
US3513151A (en) * 1965-12-27 1970-05-19 Owens Illinois Inc Reaction product of metal oxides and hydrocarbylcyclosiloxanes and method of polymerization using same
US3474080A (en) * 1966-06-27 1969-10-21 Nat Distillers Chem Corp Catalytic process for olefin polymerization
US3493554A (en) * 1966-06-27 1970-02-03 Nat Distillers Chem Corp Olefin polymerization process employing a chromate catalyst
US3468865A (en) * 1966-12-23 1969-09-23 Owens Illinois Inc Polymerization and catalysts
US3535297A (en) * 1968-02-14 1970-10-20 Union Carbide Corp Polymerization of ethylene using supported activated chromyl chloride catalysts
GB1241134A (en) * 1968-05-25 1971-07-28 Mitsubishi Chem Ind Olefin polymerisation catalyst
US3839313A (en) * 1968-10-09 1974-10-01 Montedison Spa Catalysts for the polymerization of olefins
CA995396A (en) * 1971-03-18 1976-08-17 Robert N. Johnson Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins
FR2207145B1 (en, 2012) * 1972-11-17 1975-09-12 Naphtachimie Sa
US4020092A (en) * 1973-11-08 1977-04-26 Chemplex Company Compounds bis(tributyltin)chromate and bis(triphenyltin)chromate
US3876554A (en) * 1973-11-08 1975-04-08 Chemplex Co Organotin chromate polymerization catalyst
US3884832A (en) * 1974-02-04 1975-05-20 Chemplex Co Organotin chromate polymerization catalyst
SE392112B (sv) * 1974-04-19 1977-03-14 Unifos Kemi Ab Lagtryckspolyetenkomposition innehallande fosfonsyraderivat
US4053435A (en) * 1975-03-12 1977-10-11 Gulf Research & Development Company Catalysts for the polymerization of ethylene
US4192775A (en) * 1975-03-14 1980-03-11 National Petro Chemicals Corporation Olefin polymerization catalyst
US3984351A (en) * 1975-03-14 1976-10-05 National Petro Chemicals Corporation Olefin polymerization catalyst
US4031298A (en) * 1975-06-30 1977-06-21 Chemplex Company Polymerization catalyst and method
IT1039828B (it) * 1975-07-09 1979-12-10 Montedison Spa Componenti di catalizzatori perla polimerizzazione di olefine e catalizzatori da essi ottenuti
US3956257A (en) * 1975-08-14 1976-05-11 Phillips Petroleum Company Hydrocarbylaluminum hydrocarbyloxide antifouling agent in olefin polymerization process
US4053437A (en) * 1976-03-04 1977-10-11 Chemplex Company Polyolefin catalyst and method for its preparation
US4065612A (en) * 1976-03-30 1977-12-27 Union Carbide Corporation Phenol modified polymerization catalyst and polymerization process
US4100105A (en) * 1977-01-21 1978-07-11 Union Carbide Corporation Titanium-modified silyl chromate catalysts for ethylene polymerization
DE2802763A1 (de) * 1978-01-23 1979-07-26 Hoechst Ag Verfahren zur herstellung eines katalysators
US4297461A (en) * 1979-06-08 1981-10-27 National Petro Chemicals Corp. Olefin polymerization catalyst
US4260706A (en) * 1979-06-21 1981-04-07 National Petro Chemicals Corp. Olefin polymerization catalyst
US4460755A (en) * 1982-09-30 1984-07-17 Union Carbide Corporation Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst
US4806513A (en) * 1984-05-29 1989-02-21 Phillips Petroleum Company Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same
US4540757A (en) * 1984-10-01 1985-09-10 Phillips Petroleum Company Polymerization and catalyst
US4560733A (en) * 1984-10-01 1985-12-24 Phillips Petroleum Company Polymerization and catalyst
US4803251A (en) 1987-11-04 1989-02-07 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
CA2020509C (en) * 1989-08-10 1998-04-28 William K. Reagen Chromium compounds and uses thereof
US5034364A (en) * 1989-11-09 1991-07-23 Mobil Oil Corporation Multiple chromium compound-containing catalyst composition and olefin polymerization therewith
FI902123A7 (fi) * 1990-04-26 1991-10-27 Borealis Holding As Siirtymämetallipohjainen katalyytti olefiinien polymeroimiseksi ja kopolymeroimiseksi, sen valmistus ja käyttö
US5137994A (en) * 1991-05-23 1992-08-11 Union Carbide Chemicals & Plastics Technology Corporation Process for the simultaneous trimerization and copolymerization of ethylene
US5443874A (en) * 1993-05-24 1995-08-22 Mitsubishi Petrochemical Co., Ltd. Hollow multi-layer molding
CN1166701C (zh) 1998-12-29 2004-09-15 切夫里昂菲利普化学有限责任公司 改进的铬酸酯催化剂及用其生产高性能聚乙烯产品的方法
CZ288056B6 (cs) * 1999-04-08 2001-04-11 Polymer Institute Brno, Spol. S R. O. Způsob přípravy kopolymerů ethylenu vhodných pro výrobu fólií nebo trubek
JP4988157B2 (ja) 2002-10-02 2012-08-01 ダウ グローバル テクノロジーズ エルエルシー 低粘度均一分枝化エチレン/α−オレフィンエクステンダーを含むポリマー組成物
US20100291334A1 (en) * 2002-12-27 2010-11-18 Univation Technologies, Llc Broad Molecular Weight Polyethylene Having Improved Properties
US6989344B2 (en) 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
US20040167015A1 (en) * 2003-02-26 2004-08-26 Cann Kevin J. Production of broad molecular weight polyethylene
US7202313B2 (en) * 2003-03-28 2007-04-10 Union Carbide Chemicals & Plastics Technology Corporation Chromium-based catalysts in mineral oil for production of polyethylene
US6982304B2 (en) * 2003-12-22 2006-01-03 Union Carbide Chemicals & Plastics Technology Corporation Blow molding resins with improved ESCR
US7151073B2 (en) * 2004-01-16 2006-12-19 Exxonmobil Chemical Patents Inc. Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin polymerization
WO2006107373A1 (en) * 2005-03-31 2006-10-12 Exxonmobil Chemical Patents Inc. Processes for producing high density polyethylene
US8324330B2 (en) * 2006-03-31 2012-12-04 Saudi Basic Industires Corporation Process for the preparation of a silylchromate catalyst
US20140179882A9 (en) 2008-02-21 2014-06-26 Univation Technologies, Llc Systems and Methods for Fabricating Polymers
ES2399062T3 (es) 2008-12-22 2013-03-25 Univation Technologies, Llc Sistemas y métodos para fabricar polímeros
WO2010080870A2 (en) 2009-01-08 2010-07-15 Univation Technologies,Llc Additive for polyolefin polymerization processes
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
BR112012000454A2 (pt) * 2009-07-09 2016-02-16 Union Carbide Chem Plastic processo de polimerização em fase gasosa para produzir polímero de polietileno, polímero de polietileno e sistema para melhorar iniciação de catalisador
US8722820B2 (en) 2009-12-07 2014-05-13 Univation Technologies, Llc Methods for reducing static charge of a catalyst and methods for using the catalyst to produce polyolefins
CN102453154B (zh) * 2010-10-22 2013-07-24 中国石油化工股份有限公司 乙烯聚合用有机铬催化剂及其制备方法
CN102627710B (zh) * 2012-04-16 2017-12-29 华东理工大学 一种负载型双中心复合聚乙烯催化剂的制备方法和应用
EP2935352B1 (en) * 2012-12-19 2020-08-26 Saudi Basic Industries Corporation Polymerisation of ethylene in the presence of a silylchromate based catalyst.
JP2017502104A (ja) 2013-11-21 2017-01-19 ユニベーション・テクノロジーズ・エルエルシー ポリマー特性を制御するための方法
WO2015078885A2 (en) 2013-11-28 2015-06-04 Saudi Basic Industries Corporation Chromium-based catalyst component comprising a modified inorganic oxide support
EP3149061B1 (en) 2014-05-27 2019-03-13 SABIC Global Technologies B.V. Process for transitioning between incompatible catalysts
SG10201801625SA (en) 2014-09-02 2018-03-28 Univation Tech Llc Polyolefin production with chromium-based catalysts
SG10201801618TA (en) 2014-09-02 2018-03-28 Univation Tech Llc Polyolefin production with chromium-based catalysts
EP3188831B1 (en) 2014-09-02 2020-10-28 Univation Technologies, LLC Polyolefin production with chromium-based catalysts
WO2016085842A2 (en) 2014-11-24 2016-06-02 Univation Technologies, Llc Chromium-based catalyst compositions for olefin polymerization
WO2016085856A1 (en) 2014-11-24 2016-06-02 Univation Technologies, Llc Composition comprising particles
WO2016177643A1 (en) 2015-05-05 2016-11-10 Sabic Global Technologies B.V. Compositions for automotive interior parts
EP3313901B1 (en) 2015-06-23 2019-04-10 SABIC Global Technologies B.V. Polymerisation of ethylene in the presence of a silylchromate based catalyst
BR112018014196B1 (pt) 2016-01-29 2022-07-05 Univation Technologies, Llc Filme e método para fazer um filme tendo impacto de dardo melhorado
BR112018069517B1 (pt) 2016-04-20 2022-12-20 Univation Technologies, Llc Método para modificar um índice de fluxo de polímero
ES2919777T3 (es) 2016-11-08 2022-07-28 Univation Tech Llc Polietileno bimodal
EP3778666B1 (en) 2016-11-08 2023-12-13 Univation Technologies, LLC Polyethylene composition
CN109890855B (zh) 2016-11-08 2022-08-09 尤尼威蒂恩技术有限责任公司 聚乙烯组合物
CN109963883B (zh) 2016-11-28 2023-02-03 尤尼威蒂恩技术有限责任公司 生产聚乙烯聚合物
WO2018111631A1 (en) 2016-12-15 2018-06-21 Univation Technologies, Llc Rating polymerization processes
WO2019046085A1 (en) 2017-08-28 2019-03-07 Univation Technologies, Llc BIMODAL POLYETHYLENE
CN111051419A (zh) 2017-09-11 2020-04-21 尤尼威蒂恩技术有限责任公司 含有碳黑的双峰聚乙烯组合物
EP3700946B1 (en) 2017-10-27 2021-09-08 Univation Technologies, LLC Selectively transitioning polymerization processes
SG11202003356WA (en) 2017-10-27 2020-05-28 Univation Tech Llc Polyethylene copolymer resins and films
CN111417660B (zh) 2017-12-05 2023-12-05 尤尼威蒂恩技术有限责任公司 活化的喷雾干燥齐格勒-纳塔催化剂体系
KR102636033B1 (ko) 2017-12-05 2024-02-14 유니베이션 테크놀로지즈, 엘엘씨 변형된 분무-건조된 지글러-나타 (전구)촉매 시스템
EP3728349A1 (en) 2017-12-18 2020-10-28 Dow Global Technologies LLC Hafnocene-titanocene catalyst system
JP7313350B2 (ja) 2017-12-18 2023-07-24 ダウ グローバル テクノロジーズ エルエルシー ジルコノセン-チタノセン触媒系
EP3774943B1 (en) 2018-03-26 2025-07-23 Dow Global Technologies LLC Spray-dried zirconocene catalyst system
EP3774940A1 (en) 2018-03-28 2021-02-17 Univation Technologies, LLC Multimodal polyethylene composition
CA3037503A1 (en) 2018-04-26 2019-10-26 Nova Chemicals Corporation Phosphinimine amido-ether complexes
EP3802640A1 (en) 2018-05-24 2021-04-14 Univation Technologies, LLC Unimodal polyethylene copolymer and film thereof
CN112166128B (zh) 2018-06-12 2023-06-06 陶氏环球技术有限责任公司 活化剂-成核剂配制物
CA3102431A1 (en) 2018-06-13 2019-12-19 Univation Technologies, Llc Spray-dried ziegler-natta (pro)catalyst systems
SG11202100286QA (en) 2018-07-31 2021-03-30 Univation Tech Llc Unimodal polyethylene copolymer and film thereof
US11649305B2 (en) 2018-07-31 2023-05-16 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
CN109438593B (zh) * 2018-11-26 2020-09-22 上海化工研究院有限公司 一种生产超高分子量聚烯烃用催化剂及其制备方法和应用
EP3715385B1 (en) 2019-03-26 2024-01-31 SABIC Global Technologies B.V. Chromium oxide catalyst for ethylene polymerization
CA3142138A1 (en) 2019-06-10 2020-12-17 Univation Technologies, Llc Polyethylene blend
BR112022019747A2 (pt) 2020-04-01 2022-11-16 Dow Global Technologies Llc Copolímero de polietileno de baixa densidade linear bimodal, e, artigo fabricado
BR112022021159A2 (pt) 2020-04-21 2022-12-06 Nova Chem Int Sa Complexos de ciclopentadienil/adamantil fosfinimina zircônio e háfnio
ES2989809T3 (es) 2020-04-21 2024-11-27 Nova Chem Int Sa Complejos de ciclopentadienil/adamantilfosfinimina de titanio
CA3193704A1 (en) 2020-09-30 2022-04-07 Rujul M. MEHTA Bimodal polyethylene copolymers for pe-80 pipe applications
JP2024524131A (ja) 2021-06-22 2024-07-05 イクイスター・ケミカルズ・エルピー ポリマーリサイクレートプロセスおよび製品
JP2025525806A (ja) 2022-08-04 2025-08-07 イクイスター・ケミカルズ・エルピー ポリエチレンリサイクル材ブレンド生成物
CN120418310A (zh) 2022-12-20 2025-08-01 Sabic环球技术有限责任公司 用于生产聚乙烯的方法
WO2024132273A1 (en) 2022-12-20 2024-06-27 Sabic Global Technologies B.V. Catalyst for polyethylene polymerization
WO2024253862A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253859A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253861A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysys comprising substituted 2-hydroxythiophene compounds
WO2024253863A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253860A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253864A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
US20250002698A1 (en) 2023-06-27 2025-01-02 Equistar Chemicals, Lp Polymer recyclate blend product and process
CN119264188A (zh) * 2023-07-04 2025-01-07 中国石油天然气股份有限公司 铬系化合物及其制备方法与应用、苄醇类化合物催化氧化的方法
US20250243351A1 (en) 2024-01-29 2025-07-31 Equistar Chemicals, Lp Polyethylene recyclate blend products

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE637740A (en, 2012) *
US2863891A (en) * 1955-03-18 1958-12-09 Little Inc A Metal organo-silyl esters
US2882264A (en) * 1955-10-10 1959-04-14 Dow Chemical Co Polymerization of ethylene
US2981725A (en) * 1955-11-16 1961-04-25 Shell Oil Co Process for polymerizing olefins
US2898328A (en) * 1956-07-10 1959-08-04 Ici Ltd Polymerisation of olefins
BE568912A (en, 2012) * 1957-06-28
NL235501A (en, 2012) * 1959-01-27
US2994711A (en) * 1959-08-10 1961-08-01 Nat Distillers Chem Corp Triorganosiloxymetal oxides
US3046268A (en) * 1959-09-22 1962-07-24 Nat Distillers Chem Corp Catalytic process for polymerizaing ethylenically unsaturated hydrocarbons
US3046267A (en) * 1959-09-22 1962-07-24 Nat Distillers Chem Corp Catalytic process for polymerizing ethylenically unsaturated hydrocarbons
NL128841C (en, 2012) * 1963-06-21

Also Published As

Publication number Publication date
DE1645585C2 (de) 1983-05-11
US3324095A (en) 1967-06-06
DE1645585A1 (de) 1970-07-09
BE680954A (en, 2012) 1966-11-14
NL135065C (en, 2012)
SE388863B (sv) 1976-10-18
US3324101A (en) 1967-06-06
DK130722C (en, 2012) 1975-09-01
NL6606632A (en, 2012) 1966-11-15
DK130722B (da) 1975-04-01

Similar Documents

Publication Publication Date Title
GB1146145A (en) Improved polymerization process
GB1051391A (en, 2012)
ES8201600A1 (es) Procedimiento para la obtencion de composiciones polimeras de fecula-poliolefina
DE3264470D1 (en) Polymerisation catalyst
GB1491934A (en) Preparation of alpha-olefin copolymers with vanadium phosphoro-dithioate catalyst
ES8100314A1 (es) Procedimiento para la polimerizacion o copolimerizacion de alfa-olefinas
AU1077495A (en) Catalyst system for the polymerization of ethylene
GB1433537A (en) Catalyst compositions and their use in polymerising olefins
GB927604A (en) Method of regulating the molecular weigh of olefin copolymers
GB1349159A (en) Process and catalyst for the polymerization of alpha-olefins
GB1456464A (en) Catalyst compositions and their use in the polymerisation of olefins
GB1225069A (en) Process for the preparation of amorphous copolymers of ethylene
ES8503010A1 (es) Procedimiento para preparar un catalizador para la polimerizacion o copolimerizacion de 1-olefinas.
MX153849A (es) Procedimiento de produccion de copolimeros de etileno-propileno
ES369932A1 (es) Procedimiento para la polimerizacion y la copolimerizacion de olefinas.
GB1400975A (en) Process for the co-polymerization of isobutylene
GB1005282A (en) Process for the polymerisation of unsaturated hydrocarbon monomers
GB1479651A (en) Olefine polymerisation catalyst
GB1277629A (en) Amorphous unsaturated copolymers
ES287458A1 (es) Un procedimiento para preparar copolímeros vulcanizables
ES8201599A1 (es) Procedimiento para la polimerizacion y copolimerizacion de compuestos insaturados
GB1228670A (en, 2012)
GB978101A (en) Copolymers
GB1286047A (en) Copolymerisation of olefins with unsaturated tricyclic compounds
JPS5759914A (en) Preparation of highly stereoregular alpha-olefinic polymer