FR2502157A1 - Procede de polymerisation d'a-olefines - Google Patents

Procede de polymerisation d'a-olefines Download PDF

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Publication number
FR2502157A1
FR2502157A1 FR8204587A FR8204587A FR2502157A1 FR 2502157 A1 FR2502157 A1 FR 2502157A1 FR 8204587 A FR8204587 A FR 8204587A FR 8204587 A FR8204587 A FR 8204587A FR 2502157 A1 FR2502157 A1 FR 2502157A1
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FR
France
Prior art keywords
polymerization
olefin
solid
catalyst
titanium
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.)
Granted
Application number
FR8204587A
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English (en)
French (fr)
Other versions
FR2502157B1 (OSRAM
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
Publication of FR2502157A1 publication Critical patent/FR2502157A1/fr
Application granted granted Critical
Publication of FR2502157B1 publication Critical patent/FR2502157B1/fr
Granted legal-status Critical Current

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    • 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

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  • 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)
FR8204587A 1981-03-19 1982-03-18 Procede de polymerisation d'a-olefines Granted FR2502157A1 (fr)

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 (2)

Publication Number Publication Date
FR2502157A1 true FR2502157A1 (fr) 1982-09-24
FR2502157B1 FR2502157B1 (OSRAM) 1984-12-21

Family

ID=12530921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8204587A Granted FR2502157A1 (fr) 1981-03-19 1982-03-18 Procede de polymerisation d'a-olefines

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
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EP2452956A1 (en) 2010-11-12 2012-05-16 Borealis AG Improved process for polymerising propylene
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HUE051319T2 (hu) 2011-03-02 2021-03-01 Borealis Ag Nagy átmenõteljesítményû reaktoregység olefinek polimerizálására
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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
EP2787034A1 (en) 2013-04-05 2014-10-08 Borealis AG High stiffness polypropylene compositions
PL2796501T3 (pl) 2013-04-22 2017-01-31 Abu Dhabi Polymers Company Limited (Borouge) Wielomodalna polipropylenowa kompozycja 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
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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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WO2015075088A1 (en) 2013-11-22 2015-05-28 Borealis Ag Low emission propylene homopolymer with high melt flow
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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
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EP2933291A1 (en) 2014-04-17 2015-10-21 Borealis AG Propylene copolymer composition for pipe applications
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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
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AU2016345511B2 (en) 2015-10-28 2019-07-11 Borealis Ag Polypropylene composition for a layer element
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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
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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
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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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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739608A1 (de) * 1976-09-02 1978-03-09 Mitsui Petrochemical Ind Verfahren zur herstellung von alpha- olefinpolymeren oder -copolymeren
FR2442860A1 (fr) * 1978-12-01 1980-06-27 Chisso Corp Procede perfectionne de production de polymeres d'a-olefines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739608A1 (de) * 1976-09-02 1978-03-09 Mitsui Petrochemical Ind Verfahren zur herstellung von alpha- olefinpolymeren oder -copolymeren
FR2442860A1 (fr) * 1978-12-01 1980-06-27 Chisso Corp Procede perfectionne de production de polymeres d'a-olefines

Also Published As

Publication number Publication date
FR2502157B1 (OSRAM) 1984-12-21
IT8220258A0 (it) 1982-03-18
CA1169998A (en) 1984-06-26
US4435550A (en) 1984-03-06
KR850001402B1 (ko) 1985-09-30
KR830009147A (ko) 1983-12-17
JPS57153005A (en) 1982-09-21
IT1150696B (it) 1986-12-17

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