CA1169998A - METHOD FOR POLYMERIZING .alpha.-OLEFIN - Google Patents

METHOD FOR POLYMERIZING .alpha.-OLEFIN

Info

Publication number
CA1169998A
CA1169998A CA000398042A CA398042A CA1169998A CA 1169998 A CA1169998 A CA 1169998A CA 000398042 A CA000398042 A CA 000398042A CA 398042 A CA398042 A CA 398042A CA 1169998 A CA1169998 A CA 1169998A
Authority
CA
Canada
Prior art keywords
olefin
polymerization
titanium
catalytic ingredient
solid
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
CA000398042A
Other languages
English (en)
French (fr)
Inventor
Haruo Ueno
Takefumi Yano
Tokuji Inoue
Shigeru Ikai
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
Application granted granted Critical
Publication of CA1169998A publication Critical patent/CA1169998A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/904—Monomer 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)
CA000398042A 1981-03-19 1982-03-10 METHOD FOR POLYMERIZING .alpha.-OLEFIN Expired CA1169998A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56038643A JPS57153005A (en) 1981-03-19 1981-03-19 Polymerization of alpha-olefin
JP38643/81 1981-03-19

Publications (1)

Publication Number Publication Date
CA1169998A true CA1169998A (en) 1984-06-26

Family

ID=12530921

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000398042A Expired CA1169998A (en) 1981-03-19 1982-03-10 METHOD FOR POLYMERIZING .alpha.-OLEFIN

Country Status (6)

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

Families Citing this family (136)

* 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
US4680351A (en) * 1985-09-06 1987-07-14 Phillips Petroleum Company Supported polyolefin catalyst components and methods of making and using same
US5654248A (en) * 1986-08-26 1997-08-05 Mitsui Petrochemical Industries, Ltd. Catalyst for polymerizing alpha-olefins and process for polymerization
KR920001353B1 (ko) * 1986-08-26 1992-02-11 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 α-올레핀의 중합용 촉매 및 중합법
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
ES2230173T3 (es) 1999-12-22 2005-05-01 Basell Poliolefine Italia S.P.A. Sistema catalizador para la polimerizacion de alfa olefinas el cual contiene un compuesto aromatico de silano.
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
ATE529450T1 (de) 2009-02-25 2011-11-15 Borealis Ag Multimodales polymer aus propylen, zusammensetzung damit und verfahren zur herstellung davon
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
EP2452960B1 (en) 2010-11-12 2015-01-07 Borealis AG Process for preparing propylene polymers with an ultra high melt flow rate
EP2452920A1 (en) 2010-11-12 2012-05-16 Borealis AG A method for recovering transition metal tetrahalide and hydrocarbons from a waste stream
EP2452976A1 (en) 2010-11-12 2012-05-16 Borealis AG Heterophasic propylene copolymers with improved stiffness/impact/flowability balance
EP2452956A1 (en) 2010-11-12 2012-05-16 Borealis AG Improved process for polymerising propylene
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EP2452975A1 (en) 2010-11-12 2012-05-16 Borealis AG Soft heterophasic propylene copolymers
HUE051319T2 (hu) 2011-03-02 2021-03-01 Borealis Ag Nagy átmenõteljesítményû reaktoregység olefinek polimerizálására
HUE052511T2 (hu) 2011-03-02 2021-05-28 Borealis Ag Eljárás polimerek elõállítására
EP2535372B1 (en) 2011-06-15 2016-09-14 Borealis AG In-situ reactor blend of a Ziegler-Natta catalysed, nucleated polypropylene and a metallocene catalysed polypropylene
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
ES2796856T3 (es) 2012-08-29 2020-11-30 Borealis Ag Conjunto de reactor y procedimiento para la polimerización de olefinas
EP2719725B1 (en) 2012-10-11 2018-12-05 Abu Dhabi Polymers Company Limited (Borouge) Nucleated polypropylene composition for containers
EP2745927A1 (en) 2012-12-21 2014-06-25 Borealis AG Fluidized bed reactor with internal moving bed reaction unit
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
EP2749580B1 (en) 2012-12-28 2016-09-14 Borealis AG Process for producing copolymers of propylene
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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
ES2632593T3 (es) 2013-04-22 2017-09-14 Borealis Ag Procedimiento de dos fases de producción de composiciones de polipropileno
PL2796500T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja kopolimeru przypadkowego propylenu do zastosowań do rur
EP2796498B1 (en) 2013-04-22 2018-09-12 Abu Dhabi Polymers Company Limited (Borouge) Multimodal polypropylene composition for pipe applications
PL2796499T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja polipropylenowa o ulepszonej udarności do zastosowań w rurach
ES2628082T3 (es) 2013-04-22 2017-08-01 Borealis Ag Procedimiento con múltiples etapas para producir composiciones de polipropileno resistentes a baja temperatura
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CA2919171A1 (en) 2013-08-21 2015-02-26 Borealis Ag High flow polyolefin composition with high stiffness and toughness
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EP2853562A1 (en) 2013-09-27 2015-04-01 Borealis AG Two-stage process for producing polypropylene compositions
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ES2661108T3 (es) 2013-10-24 2018-03-27 Borealis Ag Homopolímero de polipropileno de bajo punto de fusión con alto contenido de regioerrores y alto peso molecular
CN105722869B (zh) 2013-10-29 2017-09-12 北欧化工公司 具有高聚合活性的固体单点催化剂
WO2015075088A1 (en) 2013-11-22 2015-05-28 Borealis Ag Low emission propylene homopolymer with high melt flow
BR112016011829B1 (pt) 2013-12-04 2022-01-18 Borealis Ag Composição de polipropileno, fibra e trama soprada em fusão, artigo e uso da composição de polipropileno
WO2015091839A1 (en) 2013-12-18 2015-06-25 Borealis Ag Bopp film with improved stiffness/toughness balance
EP2886600B1 (en) 2013-12-19 2018-05-30 Abu Dhabi Polymers Co. Ltd (Borouge) LLC. Multimodal polypropylene with respect to comonomer content
AU2013409417B2 (en) 2013-12-24 2017-12-07 Abu Dhabi Polymers Co. Ltd (Borouge) Llc Superior impact strength at low temperature by rubber design
WO2015107020A1 (en) 2014-01-17 2015-07-23 Borealis Ag Process for preparing propylene/1-butene copolymers
ES2767498T3 (es) 2014-02-06 2020-06-17 Borealis Ag Copolímeros de impacto transparentes y suaves
US10100185B2 (en) 2014-02-06 2018-10-16 Borealis Ag Soft copolymers with high impact strength
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
ES2659731T3 (es) 2014-05-20 2018-03-19 Borealis Ag Composición de polipropileno para aplicaciones en interiores de automóviles
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
PL3103818T3 (pl) 2015-06-12 2018-12-31 Borealis Ag Sposób i aparat do polimeryzacji olefin w fazie gazowej
CA2993466C (en) 2015-07-30 2018-07-24 Borealis Ag Polypropylene composition with improved hot-tack force
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
BR112018006475B1 (pt) 2015-10-21 2022-03-15 Borealis Ag Composição de polipropileno ramificado de cadeia longa, processos para produzir uma composição de polipropileno ramificado de cadeia longa, para produzir um artigo e uma espuma, artigo, espuma ou um artigo espumado, e, uso de uma composição de polipropileno ramificado de cadeia longa
AU2016345511B2 (en) 2015-10-28 2019-07-11 Borealis Ag Polypropylene composition for a layer element
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
WO2017157484A1 (en) 2016-03-14 2017-09-21 Borealis Ag Polypropylene composition comprising flame retardant
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
MX2019003759A (es) 2016-11-09 2019-07-04 Borealis Ag Composicion de polipropileno.
WO2018141672A1 (en) 2017-02-01 2018-08-09 Borealis Ag Article comprising a layer element
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
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
EP3418309A1 (en) 2017-06-20 2018-12-26 Borealis AG A method, an arrangement and use of an arrangement of preparing polymer
EP3418308B1 (en) 2017-06-20 2020-03-11 Borealis AG A method, an arrangement and use of an arrangement for olefin polymerisation
ES2786567T3 (es) 2017-06-23 2020-10-13 Borealis Ag Procedimiento y aparato para la retirada de material polimérico de un reactor de polimerización de olefinas con gases y sólido
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
DK3473674T3 (da) 2017-10-19 2022-06-20 Abu Dhabi Polymers Co Ltd Borouge Llc Polypropylensammensætning
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
EP3486261B1 (en) 2017-11-17 2020-06-24 Borealis AG Method for improving the cooling capacity of a gas solids olefin polymerization reactor
EP3486260B1 (en) 2017-11-17 2020-04-01 Borealis AG Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor
US20210171749A1 (en) 2018-05-18 2021-06-10 Abu Dhabi Polymers Co. Ltd (Borouge) Llc. Improving rheological properties of thermoplastic polyolefin compositions
EP3804119A2 (en) 2018-05-28 2021-04-14 Borealis AG Devices for a photovoltaic (pv) module
US12018102B2 (en) 2018-06-14 2024-06-25 Borealis Ag Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity
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EP3608364A1 (en) 2018-08-06 2020-02-12 Borealis AG Multimodal propylene random copolymer based composition suitable as hot melt adhesive composition
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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
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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
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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

Also Published As

Publication number Publication date
FR2502157B1 (OSRAM) 1984-12-21
IT8220258A0 (it) 1982-03-18
US4435550A (en) 1984-03-06
FR2502157A1 (fr) 1982-09-24
KR850001402B1 (ko) 1985-09-30
KR830009147A (ko) 1983-12-17
JPS57153005A (en) 1982-09-21
IT1150696B (it) 1986-12-17

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