JPS57153005A - Polymerization of alpha-olefin - Google Patents

Polymerization of alpha-olefin

Info

Publication number
JPS57153005A
JPS57153005A JP56038643A JP3864381A JPS57153005A JP S57153005 A JPS57153005 A JP S57153005A JP 56038643 A JP56038643 A JP 56038643A JP 3864381 A JP3864381 A JP 3864381A JP S57153005 A JPS57153005 A JP S57153005A
Authority
JP
Japan
Prior art keywords
olefin
compound
effecting
alkyl
acid ester
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.)
Pending
Application number
JP56038643A
Other languages
English (en)
Japanese (ja)
Inventor
Haruo Ueno
Takefumi Yano
Tokuji Inoue
Shigeru Igai
Yoshiyuki Kai
Michimasa Shimizu
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.)
Ube Corp
Original Assignee
Ube Industries Ltd
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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP56038643A priority Critical patent/JPS57153005A/ja
Priority to US06/356,475 priority patent/US4435550A/en
Priority to CA000398042A priority patent/CA1169998A/en
Priority to KR8201112A priority patent/KR850001402B1/ko
Priority to IT20258/82A priority patent/IT1150696B/it
Priority to FR8204587A priority patent/FR2502157A1/fr
Publication of JPS57153005A publication Critical patent/JPS57153005A/ja
Pending 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
    • 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
    • Y10S526/904Monomer polymerized in presence of transition metal containing catalyst at least part of which is supported on a polymer, e.g. prepolymerized 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)
JP56038643A 1981-03-19 1981-03-19 Polymerization of alpha-olefin Pending JPS57153005A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP56038643A JPS57153005A (en) 1981-03-19 1981-03-19 Polymerization of alpha-olefin
US06/356,475 US4435550A (en) 1981-03-19 1982-03-09 Method for polymerizing α-olefin
CA000398042A CA1169998A (en) 1981-03-19 1982-03-10 METHOD FOR POLYMERIZING .alpha.-OLEFIN
KR8201112A KR850001402B1 (ko) 1981-03-19 1982-03-16 α-올레핀의 중합법
IT20258/82A IT1150696B (it) 1981-03-19 1982-03-18 Metodo per la polimerizzazione di alfa-olefine
FR8204587A FR2502157A1 (fr) 1981-03-19 1982-03-18 Procede de polymerisation d'a-olefines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56038643A JPS57153005A (en) 1981-03-19 1981-03-19 Polymerization of alpha-olefin

Publications (1)

Publication Number Publication Date
JPS57153005A true JPS57153005A (en) 1982-09-21

Family

ID=12530921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56038643A Pending JPS57153005A (en) 1981-03-19 1981-03-19 Polymerization of alpha-olefin

Country Status (6)

Country Link
US (1) US4435550A (enExample)
JP (1) JPS57153005A (enExample)
KR (1) KR850001402B1 (enExample)
CA (1) CA1169998A (enExample)
FR (1) FR2502157A1 (enExample)
IT (1) IT1150696B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59213706A (ja) * 1983-05-20 1984-12-03 Idemitsu Petrochem Co Ltd α−オレフインの連続重合方法

Families Citing this family (138)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4680351A (en) * 1985-09-06 1987-07-14 Phillips Petroleum Company Supported polyolefin catalyst components and methods of making and using same
KR920001353B1 (ko) * 1986-08-26 1992-02-11 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 α-올레핀의 중합용 촉매 및 중합법
US5654248A (en) * 1986-08-26 1997-08-05 Mitsui Petrochemical Industries, Ltd. Catalyst for polymerizing alpha-olefins and process for polymerization
US5166340A (en) * 1989-07-26 1992-11-24 Himont Incorporated Organosilane compounds
US5102842A (en) * 1990-08-23 1992-04-07 Himont Incorporated Catalyst for the polymerization of alpha-olefins containing trifluoropropyl substituted silane compounds
WO1995006556A1 (en) * 1993-09-02 1995-03-09 Quantum Chemical Corporation Biaxially-oriented polypropylene film with improved gas barrier
US6051666A (en) 1995-04-10 2000-04-18 Dsm N.V. Method for preparing a catalyst suitable for polymerizing an olefin
KR970015607A (ko) * 1995-09-14 1997-04-28 크리스탄 플뢰미히 다수의 고체 촉매성분을 결합시키는 올레핀 중합을 위한 초기중합체
US6130180A (en) * 1997-12-23 2000-10-10 Montell North America Inc. Catalyst for the polymerization of alpha-olefins containing substituted amino silane compounds
ATE280188T1 (de) 1999-12-22 2004-11-15 Basell Poliolefine Spa Alpha-olefin enthaltendes polymerisationskatalysatorsystem, das ein aromatisches silan enthält
KR101040388B1 (ko) * 2007-01-30 2011-06-09 주식회사 엘지화학 트리옥사실로칸을 포함하는 올레핀 중합용 촉매 및 이를이용한 올레핀 중합 방법
EP2174965B1 (en) * 2008-10-08 2013-05-29 Borealis AG Preparation of propylene copolymer with dynamically operated reactor
ATE535554T1 (de) 2008-10-08 2011-12-15 Borealis Ag Verfahren zur herstellung von sehr steifem polyproylen
CN102264827B (zh) 2008-12-29 2013-11-27 北欧化工公司 抗应力致白性得以改进的改性柔性聚丙烯电缆层
EP2216347A1 (en) 2009-01-30 2010-08-11 Borealis AG A method of catalyst transitions in olefin polymerizations
ES2370689T3 (es) 2009-02-25 2011-12-21 Borealis Ag Polímero multimodal de polipropileno, composición que comprende el mismo y un procedimiento para producir el mismo.
CN102365325B (zh) 2009-04-09 2015-04-22 北欧化工公司 热塑性聚烯烃组合物
US7619049B1 (en) 2009-04-13 2009-11-17 Formosa Plastics Corporation, U.S.A. Cyclic organosilicon compounds as electron donors for polyolefin catalysts
US7790819B1 (en) 2009-04-13 2010-09-07 Formosa Plastics Corporation, U.S.A. Bicyclic organosilicon compounds as electron donors for polyolefin catalysts
EP2452975A1 (en) 2010-11-12 2012-05-16 Borealis AG Soft heterophasic propylene copolymers
EP2452920A1 (en) 2010-11-12 2012-05-16 Borealis AG A method for recovering transition metal tetrahalide and hydrocarbons from a waste stream
EP2452957A1 (en) 2010-11-12 2012-05-16 Borealis AG Improved process for producing heterophasic propylene copolymers
EP2452959B1 (en) 2010-11-12 2015-01-21 Borealis AG Process for producing propylene random copolymers and their use
EP2452960B1 (en) 2010-11-12 2015-01-07 Borealis AG Process for preparing propylene polymers with an ultra high melt flow rate
EP2452956A1 (en) 2010-11-12 2012-05-16 Borealis AG Improved process for polymerising propylene
EP2452976A1 (en) 2010-11-12 2012-05-16 Borealis AG Heterophasic propylene copolymers with improved stiffness/impact/flowability balance
PL2495037T3 (pl) 2011-03-02 2021-01-11 Borealis Ag Zespół reaktora o wysokiej przepustowości do polimeryzacji olefin
PT2495038T (pt) 2011-03-02 2020-11-06 Borealis Ag Conjunto de reator flexível para polimerização de olefinas
ES2605429T3 (es) 2011-06-15 2017-03-14 Borealis Ag Mezcla del reactor in situ de un polipropileno nucleado catalizado por Ziegler-Natta y un polipropileno catalizado por metaloceno
EP2617741B1 (en) 2012-01-18 2016-01-13 Borealis AG Process for polymerizing olefin polymers in the presence of a catalyst system and a method of controlling the process
US9815918B2 (en) 2012-03-19 2017-11-14 Formosa Plastics Corporation, U.S.A. Catalyst component for high activity and high stereoselectivity in olefin polymerization
US8575283B1 (en) 2012-06-28 2013-11-05 Formosa Plastics Corporation, U.S.A. Heterocyclic organic compounds as electron donors for polyolefin catalysts
US9382359B2 (en) 2012-08-29 2016-07-05 Borealis Ag Reactor assembly and method for polymerization of olefins
EP2719725B1 (en) 2012-10-11 2018-12-05 Abu Dhabi Polymers Company Limited (Borouge) Nucleated polypropylene composition for containers
EP2745926A1 (en) 2012-12-21 2014-06-25 Borealis AG Gas phase polymerization and reactor assembly comprising a fluidized bed reactor and an external moving bed reactor
EP2745927A1 (en) 2012-12-21 2014-06-25 Borealis AG Fluidized bed reactor with internal moving bed reaction unit
EP2749580B1 (en) 2012-12-28 2016-09-14 Borealis AG Process for producing copolymers of propylene
EP2787034A1 (en) 2013-04-05 2014-10-08 Borealis AG High stiffness polypropylene compositions
EP2796473B1 (en) 2013-04-22 2017-05-31 Borealis AG Multistage process for producing low-temperature resistant polypropylene compositions
ES2632593T3 (es) 2013-04-22 2017-09-14 Borealis Ag Procedimiento de dos fases de producción de composiciones de polipropileno
PL2796498T3 (pl) 2013-04-22 2019-03-29 Abu Dhabi Polymers Company Limited (Borouge) Multimodalna kompozycja polipropylenowa do zastosowania w rurach
PL2796499T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja polipropylenowa o ulepszonej udarności do zastosowań w rurach
PL2796500T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja kopolimeru przypadkowego propylenu do zastosowań do rur
EP2796502A1 (en) 2013-04-22 2014-10-29 Abu Dhabi Polymers Company Limited (Borouge) Propylene random copolymer composition for pipe applications
EP3235832B1 (en) 2013-04-22 2018-06-20 Borealis AG Polypropylene compositions
ES2569078T3 (es) 2013-04-22 2016-05-06 Abu Dhabi Polymers Company Limited (Borouge) Composición de polipropileno multimodal para aplicaciones de tuberías
JP6216887B2 (ja) 2013-08-14 2017-10-18 ボレアリス・アクチェンゲゼルシャフトBorealis Ag 低温における耐衝撃性が改善されたプロピレン組成物
WO2015024887A1 (en) 2013-08-21 2015-02-26 Borealis Ag High flow polyolefin composition with high stiffness and toughness
MX2016001705A (es) 2013-08-21 2016-05-18 Borealis Ag Composicion de poliolefina de alto flujo con alta rigidez y tenacidad.
EP2853562A1 (en) 2013-09-27 2015-04-01 Borealis AG Two-stage process for producing polypropylene compositions
EP2853563B1 (en) 2013-09-27 2016-06-15 Borealis AG Films suitable for BOPP processing from polymers with high XS and high Tm
ES2568615T3 (es) 2013-10-11 2016-05-03 Borealis Ag Película para etiquetas orientada en la dirección de la máquina
US10519259B2 (en) 2013-10-24 2019-12-31 Borealis Ag Low melting PP homopolymer with high content of regioerrors and high molecular weight
ES2574428T3 (es) 2013-10-24 2016-06-17 Borealis Ag Artículo moldeado por soplado basado en copolímero al azar bimodal
EP3063185B9 (en) 2013-10-29 2017-11-15 Borealis AG Solid single site catalysts with high polymerisation activity
CA2927448C (en) 2013-11-22 2017-01-17 Borealis Ag Low emission propylene homopolymer with high melt flow
EP3077426B1 (en) 2013-12-04 2022-10-05 Borealis AG Phthalate-free pp homopolymers for meltblown fibers
KR101873134B1 (ko) 2013-12-18 2018-06-29 보레알리스 아게 향상된 강성/인성 균형을 가진 bopp 필름
EP2886600B1 (en) 2013-12-19 2018-05-30 Abu Dhabi Polymers Co. Ltd (Borouge) LLC. Multimodal polypropylene with respect to comonomer content
RU2654698C2 (ru) 2013-12-24 2018-05-22 Абу Даби Полимерс Ко. Лтд (Боруж) Ллс Каучуковая композиция с превосходной ударной прочностью при низкой температуре
CN105829364B (zh) 2014-01-17 2017-11-10 博里利斯股份公司 用于制备丙烯/1‑丁烯共聚物的方法
BR112016017227B1 (pt) 2014-02-06 2021-06-29 Borealis Ag Copolímero de propileno heterofásico, película não orientada, recipiente, e uso de um copolímero de propileno heterofásico
JP2017508032A (ja) 2014-02-06 2017-03-23 ボレアリス エージー 高衝撃強さを有する軟質コポリマー
EP2907841A1 (en) 2014-02-14 2015-08-19 Borealis AG Polypropylene composite
EP2913346B1 (en) 2014-02-28 2016-11-02 Borealis AG Process for polymerizing olefins in a fluidized bed
EP2913345B1 (en) 2014-02-28 2016-11-02 Borealis AG Gas phase polymerization process
EP2933291A1 (en) 2014-04-17 2015-10-21 Borealis AG Propylene copolymer composition for pipe applications
TWI554402B (zh) 2014-05-12 2016-10-21 柏列利斯股份公司 用於層元件之聚丙烯組成物
EP2947118B1 (en) 2014-05-20 2017-11-29 Borealis AG Polypropylene composition for automotive interior applications
EP2995631A1 (en) 2014-09-12 2016-03-16 Borealis AG Process for producing graft copolymers on polyolefin backbone
US9593184B2 (en) 2014-10-28 2017-03-14 Formosa Plastics Corporation, Usa Oxalic acid diamides as modifiers for polyolefin catalysts
EP3018156B1 (en) 2014-11-05 2023-03-22 Borealis AG Branched polypropylene for foam applications
EP3023450B1 (en) 2014-11-21 2017-07-19 Borealis AG Process for producing pellets of soft copolymers
HUE039059T2 (hu) 2015-06-12 2018-12-28 Borealis Ag Eljárás és berendezés olefinek gázfázisban történõ polimerizálására
MX2018000765A (es) 2015-07-30 2018-05-15 Borealis Ag Composicion de polipropileno con fuerza de adhesion en caliente mejorada.
EP3124567A1 (en) 2015-07-30 2017-02-01 Borealis AG Polypropylene based hot-melt adhesive composition
EP3147324B1 (en) 2015-09-28 2018-09-26 Borealis AG Polypropylene pipes with improved pressure resistance
JP6826109B2 (ja) 2015-10-21 2021-02-03 ボレアリス エージー 増加した溶融強度安定性を有する長鎖分岐ポリプロピレン組成物
EA201800273A1 (ru) 2015-10-28 2018-10-31 Бореалис Аг Композиция полипропилена для элемента слоя
EP3178853B1 (en) 2015-12-07 2018-07-25 Borealis AG Process for polymerising alpha-olefin monomers
EP3184167B8 (en) 2015-12-22 2022-03-30 Borealis AG A method for returning polymer to a fluidised bed reactor
EP3184166A1 (en) 2015-12-22 2017-06-28 Borealis AG A method for withdrawing agglomerates from a fluidised bed reactor
EP3187512A1 (en) 2015-12-31 2017-07-05 Borealis AG Process for preparing propylene copolymer compositions
US9777084B2 (en) 2016-02-19 2017-10-03 Formosa Plastics Corporation, Usa Catalyst system for olefin polymerization and method for producing olefin polymer
EA201800493A1 (ru) 2016-03-14 2019-02-28 Бореалис Аг Композиция полипропилена, содержащая огнестойкие добавки
EP3243622B1 (en) 2016-05-13 2020-09-09 Borealis AG Process for hydraulic conveying of polyolefin pellets
EP3281973A1 (en) 2016-08-11 2018-02-14 Borealis AG Polypropylene composition with flame retardant activity
US11427660B2 (en) 2016-08-17 2022-08-30 Formosa Plastics Corporation, Usa Organosilicon compounds as electron donors for olefin polymerization catalysts and methods of making and using same
US9815920B1 (en) 2016-10-14 2017-11-14 Formosa Plastics Corporation, Usa Olefin polymerization catalyst components and process for the production of olefin polymers therewith
EP3538599A1 (en) 2016-11-09 2019-09-18 Borealis AG Polypropylene composition
WO2018141672A1 (en) 2017-02-01 2018-08-09 Borealis Ag Article comprising a layer element
US10822438B2 (en) 2017-05-09 2020-11-03 Formosa Plastics Corporation Catalyst system for enhanced stereo-specificity of olefin polymerization and method for producing olefin polymer
US10124324B1 (en) 2017-05-09 2018-11-13 Formosa Plastics Corporation, Usa Olefin polymerization catalyst components and process for the production of olefin polymers therewith
EP3418309A1 (en) 2017-06-20 2018-12-26 Borealis AG A method, an arrangement and use of an arrangement of preparing polymer
ES2786756T3 (es) 2017-06-20 2020-10-13 Borealis Ag Un método, una disposición y uso de una disposición para la polimerización de olefinas
EP3418310B1 (en) 2017-06-23 2020-04-08 Borealis AG Process and apparatus for removing polymer material from a gas-solids olefin polymerization reactor
CN109135067A (zh) 2017-06-27 2019-01-04 阿布扎比聚合物有限责任公司(博禄) 用于制造高压管的聚丙烯组合物
EP3473674B1 (en) 2017-10-19 2022-04-20 Abu Dhabi Polymers Co. Ltd (Borouge) Llc. Polypropylene composition
EP3479896A1 (en) 2017-11-03 2019-05-08 Borealis AG Polymerization reactor system comprising at least one withdrawal valve
EP3483189A1 (en) 2017-11-14 2019-05-15 Borealis AG Automated method for terminating an olefin polymerization reaction under emergency conditions
EP3486260B1 (en) 2017-11-17 2020-04-01 Borealis AG Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor
ES2806646T3 (es) 2017-11-17 2021-02-18 Borealis Ag Procedimiento para mejorar la capacidad de enfriamiento de un reactor de polimerización de olefinas de gas-sólidos
CN112368501B (zh) 2018-05-18 2023-01-31 阿布扎比聚合物有限责任公司(博禄) 改善热塑性聚烯烃组合物的流变性能
JP2021525289A (ja) 2018-05-28 2021-09-24 ボレアリス エージー 光起電(pv)モジュール用装置
WO2019238428A1 (en) 2018-06-14 2019-12-19 Borealis Ag Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity
EP3823999A1 (en) 2018-07-19 2021-05-26 Borealis AG Process for the preparation of an uhmwpe homopolymer
EP3830140A1 (en) 2018-08-02 2021-06-09 Borealis AG Process for polymerizing ethylene in a multi-stage polymerization process
EP3608364A1 (en) 2018-08-06 2020-02-12 Borealis AG Multimodal propylene random copolymer based composition suitable as hot melt adhesive composition
US20210277290A1 (en) 2018-08-06 2021-09-09 Borealis Ag Propylene random copolymer based hot melt adhesive composition
EP3856800A1 (en) 2018-09-28 2021-08-04 Borealis AG Process for producing a prepolymerized solid ziegler-natta catalyst
US11897975B2 (en) 2018-09-28 2024-02-13 Borealis Ag Multi-stage process for producing a C2 to C8 olefin polymer composition
CN112912409B (zh) 2018-10-31 2024-02-20 博里利斯股份公司 具有改善的均质性的用于耐高压管道的聚乙烯组合物
EP3647645A1 (en) 2018-10-31 2020-05-06 Borealis AG Polyethylene composition for high pressure resistant pipes
WO2020109452A1 (en) 2018-11-30 2020-06-04 Borealis Ag Washing process
CN113993616B (zh) 2019-06-04 2023-06-02 北欧化工股份公司 用于增强气固流化床反应器中流体动力学的方法和反应器组件
US12291594B2 (en) 2019-06-24 2025-05-06 Borealis Ag Process for preparing polypropylene with improved recovery
EP3868793B1 (en) 2020-02-24 2026-01-07 Borealis GmbH Process for producing alpha-olefin polymers in a multistage polymerization process
WO2021239446A1 (en) 2020-05-25 2021-12-02 Borealis Ag Layer element suitable as integrated backsheet for a bifacial photovoltaic module
ES2987883T3 (es) 2020-05-25 2024-11-18 Borealis Ag Elemento de capa adecuado como elemento de lámina posterior integrado de un módulo fotovoltaico
EP4144435A1 (en) 2021-09-01 2023-03-08 Borealis AG Gas phase polymerization process with improved gas recycling
EP4389776A1 (en) 2022-12-20 2024-06-26 Borealis AG Process
EP4389783A1 (en) 2022-12-20 2024-06-26 Borealis AG Catalyst transition process
EP4389820A1 (en) 2022-12-21 2024-06-26 Borealis AG Polypropylene random copolymer compositions with improved impact resistance for pipe applications
WO2024223777A1 (en) 2023-04-26 2024-10-31 Borealis Ag Layer element suitable as integrated backsheet for a bifacial photovoltaic module
EP4701858A1 (en) 2023-04-26 2026-03-04 Borealis GmbH Layer element suitable as integrated backsheet for a bifacial photovoltaic module
US20250066513A1 (en) 2023-08-23 2025-02-27 Formosa Plastics Corporation, U.S.A. Catalyst System For Enhanced Stereo-Specificity Of Olefin Polymerization
US20250066514A1 (en) 2023-08-24 2025-02-27 Formosa Plastics Corporation, U.S.A. Catalysts component and process for the production of polypropylene having high melt flow rate with high isotacticity
US20250109218A1 (en) 2023-09-29 2025-04-03 Formosa Plastics Corporation, U.S.A. Method for preparing catalyst component for polymerization of polyolefin without the use of internal electron donors
US20250115687A1 (en) 2023-10-06 2025-04-10 Formosa Plastics Corporation, U.S.A. Production method for solid catalyst component for polymerizing olefins, and catalyst for polymerizaing olefins
US20250115686A1 (en) 2023-10-09 2025-04-10 Formosa Plastics Corporation, U.S.A. Olefin polymerization catalyst components containing silane and process for the production of polypropylene having high isotacticity at high melt flow rate
WO2025125458A1 (en) 2023-12-12 2025-06-19 Abu Dhabi Polymers Co. Ltd (Borouge) - Sole Proprietorship L.L.C. Modified polyethylene having improved hydrostatic pressure resistance and slow crack growth resistance
EP4570856A1 (en) 2023-12-14 2025-06-18 Borealis AG Polypropylene random copolymer compositions with improved impact resistance for pipe applications
US20250297039A1 (en) 2024-03-19 2025-09-25 Formosa Plastics Corporation, U.S.A. Olefin polymerization catalyst components containing diglycidylester components and its use for the production of polypropylene having high isotacticity at high melt flow rate
WO2025219499A1 (en) 2024-04-18 2025-10-23 Borealis Gmbh Processes for polymerising olefins
EP4644436A1 (en) 2024-05-03 2025-11-05 Borealis GmbH Heterophasic propylene-ethylene copolymer having excellent stiffness-impact strength balance, optical properties and stress whitening performance
WO2025262147A1 (en) 2024-06-19 2025-12-26 Borealis Gmbh Processes for polymerising olefins
WO2026002813A1 (en) 2024-06-24 2026-01-02 Borealis Gmbh Processes for polymerising olefins
WO2026063967A1 (en) 2024-09-19 2026-03-26 Formosa Plastics Corporation, Usa Olefin polymerization ziegler-natta catalyst components and process for the production of olefin polymers therewith

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330681A (en) * 1976-09-02 1978-03-23 Mitsui Petrochem Ind Ltd Preparation of polyalpha-olefin
JPS588686B2 (ja) * 1978-12-01 1983-02-17 チッソ株式会社 α↓−オレフイン重合体の製造方法
JPS5817204B2 (ja) 1979-09-21 1983-04-05 宇部興産株式会社 α−オレフィンの重合法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59213706A (ja) * 1983-05-20 1984-12-03 Idemitsu Petrochem Co Ltd α−オレフインの連続重合方法

Also Published As

Publication number Publication date
CA1169998A (en) 1984-06-26
FR2502157A1 (fr) 1982-09-24
KR830009147A (ko) 1983-12-17
KR850001402B1 (ko) 1985-09-30
US4435550A (en) 1984-03-06
IT8220258A0 (it) 1982-03-18
FR2502157B1 (enExample) 1984-12-21
IT1150696B (it) 1986-12-17

Similar Documents

Publication Publication Date Title
JPS57153005A (en) Polymerization of alpha-olefin
JPS5645909A (en) Polymerization of alpha-olefin
JPS54121289A (en) Catalyst for polymerization of olefins
JPS56163102A (en) Production of alpha-olefin polymer
JPS5686906A (en) Titanium trichloride catalyst component and homopolymerizing or copolymerizing method of alpha- olefin
JPS57141408A (en) Polymerization of ethylene
JPS5620002A (en) Olefin polymerization catalyst
JPS5759915A (en) Preparation of highly stereoregular alpha-olefinic polymer
JPS5618608A (en) Catalyst for olefin polymerization
JPS56115301A (en) Stereoregular polymerization of alpha-olefin
JPS57200407A (en) Polymerization of alpha-olefin
JPS5659806A (en) Polymerization of ethylene
JPS57180611A (en) Production of polyolefin
JPS5676411A (en) Production of alpha-olefin polymer
JPS57141407A (en) Polymerization of olefin
JPS54126685A (en) Olefin polymerization catalyst
JPS5759914A (en) Preparation of highly stereoregular alpha-olefinic polymer
JPS5742705A (en) Production of polyethylene
JPS5767588A (en) Preparation of beta-carboxyethyl germanium sesquioxide
JPS5783510A (en) Polymerization of ethylene
JPS5674103A (en) Polymerizing method of alpha-olefin
JPS5647409A (en) Polymerization of ethylene
JPS54124888A (en) Olefin polymerization catalyst
JPS54119387A (en) Olefin polymerization catalyst
JPS54107988A (en) Preparation of stereoregular polyolefin