KR900004766A - 활성 지연제의 존재하의 기상 알파 올레핀 중합 방법 - Google Patents

활성 지연제의 존재하의 기상 알파 올레핀 중합 방법 Download PDF

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Publication number
KR900004766A
KR900004766A KR1019890013296A KR890013296A KR900004766A KR 900004766 A KR900004766 A KR 900004766A KR 1019890013296 A KR1019890013296 A KR 1019890013296A KR 890013296 A KR890013296 A KR 890013296A KR 900004766 A KR900004766 A KR 900004766A
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catalyst
retardant
carbon
polymerization
alpha
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KR1019890013296A
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KR0147070B1 (ko
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뒤멩 앙드르
엥겔 쟝
아바스 라스즐로
Original Assignee
케이드 워윅 덴비
비피 케미칼스 리미티드
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Priority claimed from FR8812066A external-priority patent/FR2636335B1/fr
Application filed by 케이드 워윅 덴비, 비피 케미칼스 리미티드 filed Critical 케이드 워윅 덴비
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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
    • C08F2/00—Processes of polymerisation
    • 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
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst

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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)
  • Polymerisation Methods In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyethers (AREA)

Abstract

내용 없음

Description

활성 지연제의 존재하의 기상 알파 올레핀 중합 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 촉매 및 활성 지연제를 사용하여 유동상 및/또는 기계적 교반상을 갖는 반응기에서 하나 또는 그 이상의 알파 올레핀류를 연속적으로 기상 중합시키는 방법으로서, 원소의 주기율표의 제Ⅳ,Ⅴ 또는 Ⅵ족에 속하는 전이금속을 기재로 하는 촉매를 알파 올레핀(류) 및 중합 속도나 제조되는 중합체중의 전이금속의 함량이 실질적으로 일정하게 유지되도록 시간에 따라 변화하는 유속으로 반응기에 연속적으로 도입되는 매우 소량의 활성 지연제와 접촉시킴을 특징으로 하는 방법.
  2. 제1항에 있어서, 도입되는 알파-올레핀(류)의 양에 대하여 도입되는 활성 지연제의 양의 몰비가 10-6내지 10-5이 되는 양으로 활성 지연제를 도입함을 특징으로 하는 방법.
  3. 제1항에 있어서, 활성 지연제를 중합 금지제 및 전자 공여성 화합물로부터 선택함을 특징으로 하는 화합물.
  4. 제3항에 있어서, 중합 금지제를 일산화탄소, 이산화탄소, 아황화탄소, 옥시황화탄소, 질소산화물 및 과산화물, 알코올류, 디올류, 알데히드류, 케톤류, 산소 및 물로부터 선택함을 특징으로 하는 방법.
  5. 제3항에 있어서, 전자 공여성 화합물을 아민류, 아미드류, 포스핀류, 술폭시드류, 술폰류, 에스테르류, 에테르류 및 티오에테르류로 부터 선택함을 특징으로 하는 방법.
  6. 제1항에 있어서, 촉매가 마그네슘, 할로겐, 티타늄 및/또는 바나듐 및/또는 지르코늄을 기재로 하는 찌글러 나타계 촉매입을 특징으로 하는 방법.
  7. 제1항에 있어서, 촉매가 내화 산화물을 기재로 하는 입상 지지체와 조합되고 열처리에 의해 활성화된 산화크로뮴을 기쇄로 함을 특징으로 하는 방법.
  8. 제1항에 있어서, 알파 올레핀(류)이 2 내지 8탄소원자를 함유함을 특징으로 하는 방법.
  9. 제1항에 있어서, 중합 반응을 0.5 내지 5MPa의 압력 및 0 내지 135℃의 온도에서 수행함을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890013296A 1988-09-13 1989-09-12 활성 지연제의 존재하의 기상 알파 올레핀 중합 방법 KR0147070B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8812066A FR2636335B1 (fr) 1988-09-13 1988-09-13 Procede de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite
FR88-12066 1988-09-13
FR898905846A FR2646426B2 (fr) 1988-09-13 1989-04-27 Procede et appareillage de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite
FR89-05846 1989-04-27

Publications (2)

Publication Number Publication Date
KR900004766A true KR900004766A (ko) 1990-04-13
KR0147070B1 KR0147070B1 (ko) 1998-08-17

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Country Status (16)

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US (1) US5066736A (ko)
EP (1) EP0359444B1 (ko)
JP (1) JP2981239B2 (ko)
KR (1) KR0147070B1 (ko)
AU (1) AU620641B2 (ko)
CA (1) CA1333440C (ko)
DE (1) DE68910627T2 (ko)
DK (1) DK449189A (ko)
EG (1) EG18770A (ko)
ES (1) ES2045456T3 (ko)
FI (1) FI96032C (ko)
FR (1) FR2646426B2 (ko)
HK (1) HK1007318A1 (ko)
MY (1) MY104197A (ko)
NO (1) NO174930C (ko)
NZ (1) NZ230486A (ko)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473027A (en) * 1986-06-20 1995-12-05 Chevron Chemical Company Production of blow molding polyethylene resin
JP3204688B2 (ja) * 1991-06-25 2001-09-04 出光石油化学株式会社 エチレン重合体の製造方法
DE4019053A1 (de) * 1990-06-15 1991-12-19 Basf Ag Polymerisate des propylens mit breitem molmassenverhaeltnis q
FR2665704B1 (fr) * 1990-08-07 1994-04-08 Bp Chemicals Snc Procede pour arreter une reaction de (co-)polymerisation effectuee a l'aide d'un catalyseur a base d'oxyde de chrome.
US5336738A (en) * 1990-08-07 1994-08-09 Bp Chemicals Limited Kill-gas introduction to a fluidized bed reactor containing chromium oxide catalyst
GB9103527D0 (en) * 1991-02-20 1991-04-10 Exxon Chemical Patents Inc Hp catalyst killer
IT1246614B (it) 1991-06-03 1994-11-24 Himont Inc Procedimento per la polimerizzazione in fase gas delle olefine
US5227438A (en) * 1991-09-24 1993-07-13 Union Carbide Chemicals & Plastics Technology Corporation Process for the slowdown or termination of polymerization
EP0549252A1 (en) * 1991-12-23 1993-06-30 BP Chemicals Limited Process for the gas-phase polymerisation of alpha-olefins in a fluidized-bed reactor
IT1262933B (it) * 1992-01-31 1996-07-22 Montecatini Tecnologie Srl Processo per la polimerizzazione in fase gas di alfa-olefine
CA2127822A1 (en) 1993-07-13 1995-01-14 Yoshinori Morita Process for gas phase polymerization of olefin
US5733988A (en) * 1994-06-29 1998-03-31 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
US5625012A (en) * 1994-06-29 1997-04-29 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins
US5548042A (en) * 1994-08-19 1996-08-20 Union Carbide Chemical & Plastics Technology Corporation Process for the production of polypropylene
US5525678A (en) * 1994-09-22 1996-06-11 Mobil Oil Corporation Process for controlling the MWD of a broad/bimodal resin produced in a single reactor
ES2227620T3 (es) * 1995-12-01 2005-04-01 Chevron Phillips Chemical Company Lp Procedimiento de polimerizacion.
DE19621838A1 (de) * 1996-05-31 1997-12-04 Basf Ag Verfahren zur Herstellung von Polymerisaten von C¶2¶- bis C¶1¶¶2¶-Alkenen unter Zusatz eines Reaktionsverzögerers
WO1998020045A1 (en) * 1996-11-01 1998-05-14 Union Carbide Chemicals & Plastics Technology Corporation Reduction of fouling in olefin polymerization systems
US5731381A (en) * 1996-11-01 1998-03-24 Union Carbide Chemicals & Plastics Technology Corporation Termination of gas phase polymerizations of conjugated dienes, vinyl-substituted aromatic compounds and mixtures thereof
US5844054A (en) * 1997-03-21 1998-12-01 Samples; Paul Kevin Process control in the presence of chromium based catalysts
DE19800020A1 (de) * 1998-01-05 1999-07-08 Basf Ag Kontinuierliches Gasphasenpolymerisationsverfahren
US6977283B1 (en) 1998-04-07 2005-12-20 Exxonmobil Chemical Patents Inc. Polymerization process
EP0959081A1 (en) 1998-05-19 1999-11-24 Bp Chemicals S.N.C. Gas phase polymerisation process
EP0959082A1 (en) * 1998-05-19 1999-11-24 Bp Chemicals S.N.C. Polymerisation process
US7354880B2 (en) * 1998-07-10 2008-04-08 Univation Technologies, Llc Catalyst composition and methods for its preparation and use in a polymerization process
ATE528327T1 (de) 1998-10-27 2011-10-15 Westlake Longview Corp Verfahren zur polymerisierung von olefine.
CA2330622A1 (en) * 1998-12-17 2000-06-22 Univation Technologies Llc A catalyst composition and methods for its preparation and use in a polymerization process
US6288181B1 (en) 1999-03-30 2001-09-11 Eastman Chemical Company Process for producing polyolefins
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
MXPA01009833A (es) 1999-03-30 2002-11-04 Eastman Chem Co Proceso para producir poliolefinas.
US6187879B1 (en) 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
CA2381913A1 (en) 1999-08-31 2001-03-08 Eastman Chemical Company Process for producing polyolefins
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
JP3860702B2 (ja) * 2000-03-16 2006-12-20 株式会社プライムポリマー ポリオレフィンの製造方法および気相重合装置
EP1207170A1 (en) * 2000-11-20 2002-05-22 BP Chemicals S.N.C. Process for the continuous gas-phase (co-)polymerisation of olefins in a fluidised bed reactor
US6593267B2 (en) 2000-12-18 2003-07-15 Univation Technologies, Llc Method for preparing a supported catalyst system and its use in a polymerization process
US6933258B2 (en) * 2000-12-19 2005-08-23 Univation Technologies, L.L.C. Catalyst composition and methods for its preparation and use in a polymerization process
US6365681B1 (en) 2001-01-16 2002-04-02 Union Carbide Chemicals & Plastics Technology Corporation Preventing upsets in polymerization reactors
DE10156202A1 (de) * 2001-11-15 2003-06-05 Basell Polyolefine Gmbh Kontinuierliches Gasphasenpolymerisationsverfahren
US6846884B2 (en) * 2002-09-27 2005-01-25 Union Carbide Chemicals & Plastics Technology Corporation Control of resin properties
AU2003295724A1 (en) * 2002-12-27 2004-07-29 Univation Technologies, Llc Processes for transitioning between ziegler-natta and alumoxane-based single-site polymerization catalysts
ATE469927T1 (de) * 2003-03-21 2010-06-15 Dow Global Technologies Inc Verfahren zur herstellung von polyolefinen mit kontrollierter morphologie
US6759489B1 (en) 2003-05-20 2004-07-06 Eastern Petrochemical Co. Fluidized bed methods for making polymers
US7393910B2 (en) 2003-09-23 2008-07-01 Dow Global Technologies Inc. Catalyst composition for ethylene polymerization
US6828395B1 (en) 2003-10-15 2004-12-07 Univation Technologies, Llc Polymerization process and control of polymer composition properties
US7238756B2 (en) * 2003-10-15 2007-07-03 Univation Technologies, Llc Polymerization process and control of polymer composition properties
US7985811B2 (en) * 2004-01-02 2011-07-26 Univation Technologies, Llc Method for controlling sheeting in gas phase reactors
US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
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
TW200613326A (en) * 2004-05-20 2006-05-01 Exxonmobil Chemical Patents Inc Polymerization process
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
BRPI0516272B1 (pt) 2004-10-14 2016-05-17 Basell Poliolefine Srl processo para a polimerização em fase gasosa de olefinas
WO2006107373A1 (en) * 2005-03-31 2006-10-12 Exxonmobil Chemical Patents Inc. Processes for producing high density polyethylene
MX2009002494A (es) * 2006-09-07 2009-05-22 Univation Tech Llc Metodos para determinar el valor de temperatura indicativo de pegajosidad de resina a partir de datos generados por monitoreo de la reaccion de polimerizacion.
EP2059540B1 (en) * 2006-09-07 2012-12-26 Univation Technologies, LLC Methods for on-line determination of degree of resin stickiness using a model for depression of melt initiation temperature
AU2006348445B2 (en) 2006-09-21 2011-03-10 Union Carbide Chemicals & Plastics Technology Llc Method of controlling properties in multimodal systems
BRPI0719701B1 (pt) * 2006-11-30 2019-08-13 Westlake Longview Corp placa de distribuição de gás de polimerização de olefina com leito fluidizado, reator de polimerização de olefina com leito fluidizado, e, método para detectar a presença ou tamanho dos aglomerados ou folhas poliméricas caídas em um reator de polimerização de olefina com leito fluidizado
CN101802019B (zh) * 2007-08-16 2014-01-08 尤尼威蒂恩技术有限责任公司 连续性添加剂及其在聚合工艺中的用途
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
RU2527945C2 (ru) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Добавка для процессов полимеризации полиолефинов
BR112012005542B1 (pt) 2009-09-11 2019-08-20 Basell Poliolefine Italia S.R.L Processo para polimerização em fase gasosa de olefinas
WO2011080128A1 (en) 2009-12-29 2011-07-07 Basell Poliolefine Italia S.R.L. Process for the production of polyolefin films
BR112013007376B1 (pt) 2010-09-28 2020-07-28 Basell Polyolefine Gmbh método para alimentação de um composto antiestático a um reator de polimerização, suspensão de catalisador, seu uso e processo para a polimerização de olefinas
US10308731B2 (en) 2010-09-28 2019-06-04 Basell Polyolefine Gmbh Method for feeding an antistatic compound to a polymerization reactor
CN103347905B (zh) 2010-12-22 2015-12-16 尤尼威蒂恩技术有限责任公司 用于聚烯烃聚合方法的添加剂
EP2610269A1 (en) 2011-12-28 2013-07-03 Saudi Basic Industries Corporation Catalyst composition and method for preparing the same
EP2711379A1 (en) 2012-09-21 2014-03-26 Basell Poliolefine Italia S.r.l. Process for the gas-phase polymerization of olefins
EP2754678A1 (en) 2013-01-14 2014-07-16 Basell Poliolefine Italia S.r.l. Process for the preparation of ethylene polymers
EP2842912A1 (en) 2013-08-26 2015-03-04 Basell Poliolefine Italia S.r.l. Method for improving the operability of an olefin polymerization reactor
EP3080200B1 (en) 2013-12-09 2018-11-14 Univation Technologies, LLC Feeding polymerization additives to polymerization processes
FI3331926T3 (fi) 2015-08-04 2023-06-21 Basell Poliolefine Italia Srl Esipolymerisoituja katalyyttikomponentteja olefiinien polymerisoimiseksi
WO2018164798A1 (en) 2017-03-09 2018-09-13 Exxonmobil Chemical Patents Inc. Process for producing polyethylene polymers
US11820841B2 (en) 2020-01-28 2023-11-21 Exxonmobil Chemical Patents Inc. Reducing accumulation of C6+ hydrocarbon components in polyolefin gas-phase reactors
US20230103411A1 (en) 2020-02-26 2023-04-06 Exxonmobil Chemical Patents Inc. Highly Efficient C6 Inert Vent for Gas Phase Polyethylene Production
KR102513518B1 (ko) 2020-12-23 2023-03-22 디엘케미칼 주식회사 메탈로센 올레핀 중합 공정용 대전방지제를 이용한 올레핀 중합 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1420408A1 (de) * 1957-02-19 1968-10-10 Bayer Ag Verfahren zur Polymerisation von AEthylen
US3067190A (en) * 1960-01-12 1962-12-04 Ruhrchemie Ag Process for the polymerization of aliphatic olefins
US3562357A (en) * 1968-12-11 1971-02-09 Mobil Oil Corp Method for increasing yield of copolymers of butene-1 with long chain olefins
DE2966150D1 (en) * 1978-03-23 1983-10-20 Ici Plc Gas-phase olefin polymerisation system and process for operating it
DE3366573D1 (en) * 1982-06-24 1986-11-06 Bp Chimie Sa Process for the polymerization and copolymerization of alpha-olefins in a fluidized bed
FR2566781B1 (fr) * 1984-06-28 1986-11-14 Bp Chimie Sa Procede de polymerisation ou de copolymerisation d'alpha-olefines en lit fluidise, en presence d'un systeme catalytique ziegler-natta
SU1249025A1 (ru) * 1984-10-01 1986-08-07 Предприятие П/Я В-8296 Способ управлени процессом полимеризации или сополимеризации альфа-олефинов в газовой фазе
JPS61151211A (ja) * 1984-12-24 1986-07-09 Toa Nenryo Kogyo Kk エチレンの共重合方法
US4649128A (en) * 1985-11-21 1987-03-10 National Distillers And Chemical Corporation Deactivator for olefin polymerization catalyst
US4956426A (en) * 1986-07-24 1990-09-11 Union Carbide Chemicals And Plastics Company Inc. Process for controlled polymerization of stereospecific alpha-olefins having preselected isotacticity
US4727125A (en) * 1986-11-03 1988-02-23 Hercules Incorporated Thermally activated two component metathesis catalyst system
FR2618786B1 (fr) * 1987-07-31 1989-12-01 Bp Chimie Sa Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
US4803251A (en) * 1987-11-04 1989-02-07 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins

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DK449189D0 (da) 1989-09-12
JPH02113004A (ja) 1990-04-25
US5066736A (en) 1991-11-19
EP0359444B1 (en) 1993-11-10
AU4099489A (en) 1990-03-22
NO893562D0 (no) 1989-09-05
NZ230486A (en) 1990-10-26
AU620641B2 (en) 1992-02-20
NO174930B (no) 1994-04-25
NO893562L (no) 1990-03-14
NO174930C (no) 1994-08-03
CA1333440C (en) 1994-12-06
FI96032B (fi) 1996-01-15
FR2646426A2 (fr) 1990-11-02
FI894325A (fi) 1990-03-14
FR2646426B2 (fr) 1991-08-16
ES2045456T3 (es) 1994-01-16
DE68910627T2 (de) 1994-02-24
DE68910627D1 (de) 1993-12-16
JP2981239B2 (ja) 1999-11-22
HK1007318A1 (en) 1999-04-09
FI96032C (fi) 1996-04-25
KR0147070B1 (ko) 1998-08-17
FI894325A0 (fi) 1989-09-13
EP0359444A1 (en) 1990-03-21
MY104197A (en) 1994-02-28
DK449189A (da) 1990-03-14
EG18770A (en) 1994-03-30

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