KR860006492A - 알파-올레핀의 기체상 다단계 중합방법 - Google Patents

알파-올레핀의 기체상 다단계 중합방법 Download PDF

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KR860006492A
KR860006492A KR1019860001150A KR860001150A KR860006492A KR 860006492 A KR860006492 A KR 860006492A KR 1019860001150 A KR1019860001150 A KR 1019860001150A KR 860001150 A KR860001150 A KR 860001150A KR 860006492 A KR860006492 A KR 860006492A
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reactor
alpha
polyolefin powder
polymerization
gas mixture
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KR930012266B1 (ko
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로파스트 샤를르
로파스트 샤를로
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비피 케미칼스 리미티드
리차드 펜넬리 파켓트
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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
    • C08F2/34—Polymerisation in gaseous state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • 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
    • C08F10/02—Ethene
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Combustion & Propulsion (AREA)
  • Engineering & Computer Science (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)

Abstract

내용 없음

Description

알파－올레핀의 기체상 다단계 중합방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 장치로서 제1중합반응기 및 제2중합반응기를 포함하여 중합장치를 도식적으로 나타낸다.

Claims (10)

  1. 한편으로는 하나 이상의 알파－올레핀으로 이루어진 반응 기체 혼합물 및, 다른 한편으로는 촉매시스템 또는 촉매를 제1중합 반응기에 도입시키고, 제1중합 반응기내에서 기체상으로 알파－올레핀 또는 알파－올레핀들을 중합시킨 다음, 반응 기체 혼합물을 동반하는 생성된 폴리올레핀 분말을 제1반응기로부터 회수하고, 회수한 분말을 이송 장치에 의해 제2기체상 중합 반응기로 이송한 후, 제1반응기의 혼합물과 동일하거나 상이한 하나 이상의 알파－올레핀으로 이루어진 반응 기체 혼합물, 및 임의로 추가량의 촉매 또는 촉매 시스템의 하나이상의 성분을 제2반응기로 도입시키고, 제2중합반응기내에서 알파－올레핀 또는 알파－올레핀들을 기체상으로 중합시키는데, 둘이상의 반응기를 사용하는 경우에는, 제2반응기로부터의 회수조작 및 제3반응기로의 폴리올레핀 분말의 이송조작을 반복하고 최종 반응기까지 반복 수행하는 단계로 이루어지는, 이송장치에 의해 상호연결된 둘 이상의 분리된 중합 반응기 내에서 연속 단계로 저압하의 기체상으로 알파－올레핀을 중합하는 방법에 있어서, 중합반응기로부터 회수된 반응 기체 혼합물을 동반하는 폴리올레핀 분말을 후속 중합 반응기로 이송하기 전에, (a) 먼저, 이 기체 혼합물의 압력을, 분말이 회수되는 중압반응기내의 압력의 1/50내지 1/5로 낮추고, 감압된 기체 혼합물의 대부분으로부터 폴리올레핀 분말을 분리시키는 감압단계를 거친 다음, (b) 폴리올레핀 분말 및 잔류 기체 혼합물의 압력을 후속 중합 반응기의 반응 기체 혼합물(이 반응 기체 혼합물은 후속 중합 반응기의 온도보다 20℃이상 더 낮은 온도로 사용한다)에 의해 후속 중합 반응기의 압력까지 상승시키는 압축단계를 거침을 특징으로 하는 방법.
  2. 제1항에 있어서, 감압 단계후에 중합 반응기로부터 회수된 폴리올레핀 분말에 동반하는 반응기체 혼합물의 적어도 일부분을 언급된 중합 반응기로 재순환시킴을 특징으로 하는 방법.
  3. 제1항에 있어서, 압축단계의 지속시간이 60초 이하임을 특징으로 하는 방법.
  4. 제1항에 있어서, 감압단계 및 폴리올레핀 분말의 중합반응기로의 이송단계를 수행하는데 걸리는 총 시간이 180초 이하, 바람직하게는 120초 이하임을 특징으로 하는 방법.
  5. 제1항에 있어서, 압축단계후에, 언급된 압축단계 동안 사용된 반응 기체 혼합물의 적어도 일부분을, 폴리올레핀 분말이 이송되는 중합 반응기로 재순환시킴을 특징으로 하는 방법.
  6. 제1항에 있어서, 여러 중합 반응기내에서 동일하거나 상이한, 반응 기체 혼합물의 압력이 0.5내지 5MPa, 바람직하게는 1내지 3MPa이며, 여러 중합 반응기내에서 동일하거나 상이하게 유지되는 온도가 30내지 115℃, 바람직하게는 50내지 110℃로 선택됨을 특징으로 하는 방법.
  7. 제1항에 있어서, 반응 기체 혼합물이 탄소수 2내지 12의 알파－올레핀 하나 이상으로 이루어지며 임의로 공액 또는 비－공액 디엔 및/또는 수소 및/또는 불활성 기체를 함유함을 특징으로 하는 방법.
  8. 제1도에 도시된 바와 같이, (1) 및 (27)과 같은 둘 이상의 알파－올레핀용 중합 또는 공중합 반응기로 이루어지며, 이들 반응기가 폴리올레핀 분말의 순환 방향으로 일련으로 배열되고, 이들 반응기의 각각에 알파－올레핀 공급용 장치 및 냉각장치가 설치되어 있고, 이들 반응기중 제1반응기에 폴리올레핀 분말의 순환 방향으로 촉매 화합물을 도입시키기 위한 장치가 설치되어 있고, 이들 반응기중 최종 반응기에는 폴리올레핀 분말의 순환 방향으로 폴리올레핀 분말을 외부로 회수하는 장치가 설치되어 있고, 최종 반응기를 제외한 이들 반응기의 각각은 폴리올레핀 분말의 순환 방향으로 폴리올레핀 분말을 이송하는 장치에 의해 후속 반응기에 연결되는, 제1내지 7항중 어느 하나에 기술된 방법을 수행하기 위한 장치에 있어서, 2개의 연속 반응기들 사이의 이송 장치가, 폴리올레핀 분말의 순환 방향으로 밸브(12)가 설치된 파이프를 통해 반응기(1)에 연결되고 밸브(14)가 설치된 파이프에 의해 감압실(16)에 연결된 용기(13)으로 이루어진 분말 회수장치 : 배출용기에 연결되고 밸브(19)가 설치된 파이프를 통해 압축실(20)에 연결된 감압실(16); 및 (a) 감압실(16)에 연결되고, (b) 파이프(24), 밸브(22) 및 파이프(25)를 통해 반응기(27)의 기체 혼합물용 공급회로에 연결되고, (c) 밸브(21) 및 분말 이송파이프(26)을 통해 반응기(27)에 연결되며 (d) 임의로 밸브(23), 및 콤프레셔(30)이 설치된 파이프를 통해 반응기(27)에 연결된 압축실(20)으로 이루어짐을 특징으로 하는 장치.
  9. 제8항에 있어서, 제2도에 도시된 바와같이, 감압실(16)과 밸브(19)사이에 배치된 계량 장치(39)를 추가로 포함함을 특징으로 하는 계량장치.
  10. 제8항에 있어서, 제3도에 도시된 바와같이, 밸브(19)와 압축실(20)사이에 배치되며, 밸브(44)가 설치된 파이프에 의해 압축실(20)에 연결된 중간 저장실(40)을 추가로 포함함을 특징으로 하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860001150A 1985-02-19 1986-02-19 알파-올레핀의 기체상 다단계 중합방법 KR930012266B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8502345A FR2577558B1 (fr) 1985-02-19 1985-02-19 Polymerisation en plusieurs etapes d'alpha-olefines en phase gazeuse
FR8502345 1985-02-19

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KR860006492A true KR860006492A (ko) 1986-09-11
KR930012266B1 KR930012266B1 (ko) 1993-12-28

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US (2) US4703094A (ko)
EP (1) EP0192427B1 (ko)
JP (1) JPH0667977B2 (ko)
KR (1) KR930012266B1 (ko)
AT (1) ATE44157T1 (ko)
AU (1) AU591650B2 (ko)
CA (1) CA1248692A (ko)
DE (1) DE3664050D1 (ko)
ES (1) ES8707976A1 (ko)
FI (1) FI81811C (ko)
FR (1) FR2577558B1 (ko)
NO (1) NO165845C (ko)
NZ (1) NZ215189A (ko)
PT (1) PT82040B (ko)
ZA (1) ZA861201B (ko)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208109A (en) * 1982-06-24 1993-05-04 Bp Chemicals Limited Process for the polymerization and copolymerization of alpha-olefins in a fluidized bed
US5126398A (en) * 1988-11-16 1992-06-30 Union Carbide Chemicals & Plastics Technology Corporation Process for the in situ blending of polymers
US5149738A (en) * 1988-11-16 1992-09-22 Union Carbide Chemicals & Plastics Technology Corporation Process for the in situ blending of polymers
US5047468A (en) * 1988-11-16 1991-09-10 Union Carbide Chemicals And Plastics Technology Corporation Process for the in situ blending of polymers
DE3904079A1 (de) * 1989-02-11 1990-08-23 Basf Ag Verfahren zur herstellung von propylen-ethylen-copolymerisaten
US6025448A (en) 1989-08-31 2000-02-15 The Dow Chemical Company Gas phase polymerization of olefins
US5235009A (en) * 1989-10-16 1993-08-10 Phillips Petroleum Company Gas phase polymerization in multi-stage fluid beds
US5032562A (en) * 1989-12-27 1991-07-16 Mobil Oil Corporation Catalyst composition and process for polymerizing polymers having multimodal molecular weight distribution
DE4019053A1 (de) * 1990-06-15 1991-12-19 Basf Ag Polymerisate des propylens mit breitem molmassenverhaeltnis q
US5242661A (en) * 1990-06-28 1993-09-07 Liquid Carbonic, Inc. Apparatus for direct fluorination of polymeric resins
US6538080B1 (en) 1990-07-03 2003-03-25 Bp Chemicals Limited Gas phase polymerization of olefins
FR2664506B1 (fr) * 1990-07-13 1993-05-07 Bp Chemicals Snc Procede et dispositif d'introduction d'une poudre dans un reacteur.
TW203062B (ko) * 1990-11-15 1993-04-01 Sumitomo Chemical Co
WO1992009638A1 (en) * 1990-12-03 1992-06-11 Okhtinskoe Nauchno-Proizvodstvennoe Obiedinenie 'plastpolimer' Method for starting a reactor for catalytic gas-phase polymerization of olefins
US6194520B1 (en) 1991-03-06 2001-02-27 Mobil Oil Corporation Ethylene polymer resins for blow molding applications
US6316546B1 (en) 1991-03-06 2001-11-13 Exxonmobil Oil Corporation Ethylene polymer film resins
US5688865A (en) * 1991-03-06 1997-11-18 Mobil Oil Corporation Process and system for preventing pressure tap fouling in tandem polymerization reactors
IT1246614B (it) 1991-06-03 1994-11-24 Himont Inc Procedimento per la polimerizzazione in fase gas delle olefine
US5693583A (en) * 1991-06-10 1997-12-02 Mobil Oil Corporation High activity polyethylene catalysts which produce bimodal or trimodal product molecular weight distributions
ES2165354T3 (es) * 1991-07-24 2002-03-16 Exxonmobil Oil Corp Resinas de polimero de etileno mejoradas para peliculas.
FR2680792B1 (fr) * 1991-08-30 1994-09-09 Bp Chemicals Snc Procede de fabrication d'un polymere de l'ethylene.
EP0574821B1 (en) * 1992-06-18 1998-03-11 Montell Technology Company bv Process and apparatus for the gas-phase polymerization of olefins
US5284613A (en) * 1992-09-04 1994-02-08 Mobil Oil Corporation Producing blown film and blends from bimodal high density high molecular weight film resin using magnesium oxide-supported Ziegler catalyst
CA2102542A1 (en) * 1992-11-12 1994-05-13 Thaddeus W. Klimek Gas-phase process for producing copolymer of propylene and ethylene and polyolefin films made therefrom
US5705576A (en) * 1992-11-12 1998-01-06 Quantum Chemical Corporation Process for controlling production of in-situ thermoplastic polyolefins and products
US5587436A (en) * 1992-11-12 1996-12-24 Quantum Chemical Corporation Process for controlling the polymerization of propylene and ethylene and copolymer products
US5314746A (en) * 1992-11-12 1994-05-24 Quantum Chemical Corporation Soft, puncture- and tear-resistant polyolefin films
IT1256648B (it) * 1992-12-11 1995-12-12 Montecatini Tecnologie Srl Componenti e catalizzatori per la polimerizzazione delle olefine
US5602067A (en) * 1992-12-28 1997-02-11 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
US5420220A (en) * 1993-03-25 1995-05-30 Mobil Oil Corporation LLDPE films
US5332706A (en) * 1992-12-28 1994-07-26 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
US5558472A (en) * 1993-10-07 1996-09-24 Sumitomo Chemical Company, Limited Method and apparatus for transporting particles
WO1995011264A1 (en) * 1993-10-21 1995-04-27 Mobil Oil Corporation Polyolefin blends of bimodal molecular weight distribution
US5614456A (en) * 1993-11-15 1997-03-25 Mobil Oil Corporation Catalyst for bimodal molecular weight distribution ethylene polymers and copolymers
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
ES2116188B1 (es) 1994-12-30 1999-04-01 Repsol Quimica Sa Proceso de obtencion de poliolefinas con distribuciones de pesos moleculares anchas, bimodales o multimodales.
BE1009308A3 (fr) * 1995-04-28 1997-02-04 Solvay Polymere d'ethylene et procedes pour son obtention.
DE19522283A1 (de) * 1995-06-20 1997-01-02 Basf Ag Vorrichtung zurGasphasenpolymerisation von C¶2¶-C¶8¶-Alk-1-enen
US5882750A (en) * 1995-07-03 1999-03-16 Mobil Oil Corporation Single reactor bimodal HMW-HDPE film resin with improved bubble stability
IT1275573B (it) * 1995-07-20 1997-08-07 Spherilene Spa Processo ed apparecchiatura per la pomimerizzazione in fase gas delle alfa-olefine
US6486089B1 (en) 1995-11-09 2002-11-26 Exxonmobil Oil Corporation Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution
US5665818A (en) * 1996-03-05 1997-09-09 Union Carbide Chemicals & Plastics Technology Corporation High activity staged reactor process
US6417130B1 (en) 1996-03-25 2002-07-09 Exxonmobil Oil Corporation One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization
AU3505497A (en) * 1996-07-15 1998-02-09 Mobil Oil Corporation Comonomer pretreated bimetallic catalyst for blow molding and film applications
US6069212A (en) * 1996-08-20 2000-05-30 Bp Amoco Corporation Transfer of polymer particles between vapor phase polymerization reactors containing quench-cooled subfluidized particulate beds of polymerized monomer
DE19728141A1 (de) * 1997-07-02 1999-01-07 Basf Ag Verfahren zur Polymerisation von C2-C8-Alk-1-enen mittels eines Ziegler-Natta-Katalysatorsystems
US6153551A (en) * 1997-07-14 2000-11-28 Mobil Oil Corporation Preparation of supported catalyst using trialkylaluminum-metallocene contact products
US6051525A (en) * 1997-07-14 2000-04-18 Mobil Corporation Catalyst for the manufacture of polyethylene with a broad or bimodal molecular weight distribution
BE1011332A3 (fr) * 1997-08-20 1999-07-06 Solvay Dispositif de dechargement d'un reacteur de polymerisation a lit fluidise.
US6112777A (en) * 1998-11-19 2000-09-05 Union Carbide Chemicals & Plastics Technology Corporation Process for bulk handling elastomeric materials via temperature control
KR100503137B1 (ko) * 1999-03-31 2005-07-25 미쓰이 가가쿠 가부시키가이샤 다단 기상 중합 방법, 다단 기상 중합 장치 및 다단 기상중합 장치에서의 중합체 분말 내의 부성분 동반량 저감 장치
WO2001004166A1 (en) * 1999-07-08 2001-01-18 Borealis Technology Oy Process for producing polypropylene
US6403520B1 (en) 1999-09-17 2002-06-11 Saudi Basic Industries Corporation Catalyst compositions for polymerizing olefins to multimodal molecular weight distribution polymer, processes for production and use of the catalyst
US6294626B1 (en) 1999-11-15 2001-09-25 Equistar Chemicals, Lp Olefin polymerization catalysts containing modified boraaryl ligands
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
DE10025727A1 (de) * 2000-05-25 2002-01-03 Basell Polypropylen Gmbh Hochfließfähige Propylenblockcopolymerisate
US6444765B1 (en) 2000-06-14 2002-09-03 Equistar Chemicals, Lp Olefin polymerization process for producing broad MWD polymers
US6812304B2 (en) 2000-06-14 2004-11-02 Equistar Chemicals, Lp Process for producing improved premixed supported boraaryl catalysts
JP2005511804A (ja) 2001-11-30 2005-04-28 エクソンモービル・ケミカル・パテンツ・インク 非単一部位触媒／単一部位触媒組み合わせを用いて製造されるエチレン／α−オレフィンコポリマー並びにその製造及びその使用
US6914104B2 (en) * 2002-04-19 2005-07-05 Sumitomo Chemical Company, Limited Process for polymerization of α-olefin
EP1384751A1 (en) * 2002-07-25 2004-01-28 SOLVAY POLYOLEFINS EUROPE - BELGIUM (Société Anonyme) Container formed from multimodal ethylene polymer
TW200504093A (en) * 2003-05-12 2005-02-01 Dow Global Technologies Inc Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom
SG119367A1 (en) * 2004-07-16 2006-02-28 Sumitomo Chemical Co Apparatus for continuous polymerization of olefin method for transferring a polymer powder and method for continuous polymerization of olefin
EP1630178A1 (en) 2004-08-10 2006-03-01 Innovene Manufacturing Belgium NV Polymerisation process
US7662894B2 (en) * 2006-12-19 2010-02-16 Saudi Bosic Industries Corporation Polymer supported metallocene catalyst composition for polymerizing olefins
DE102007014621A1 (de) 2007-03-23 2008-09-25 Innogel Ag Verfahren zur Herstellung von Molekulargewichtsverteilungen mit kurzkettigem Anteil mittels Post-Reaktor Extrusion
RU2475501C2 (ru) * 2007-09-19 2013-02-20 Базелль Полиолефин Италия С.Р.Л. Многостадийный способ полимеризации олефинов
WO2011136492A2 (ko) 2010-04-30 2011-11-03 대림산업 주식회사 알파-올레핀의 기상중합
EP2602269A1 (en) 2011-12-06 2013-06-12 Basell Polyolefine GmbH Multistage process for the polymerization of olefins
CN103772535B (zh) * 2012-10-18 2016-03-30 中国石油化工股份有限公司 烯烃聚合装置及其在聚合物转移及单体回收中的应用
EP2803680A1 (en) 2013-05-16 2014-11-19 Basell Polyolefine GmbH Multistage process for the polymerization of olefins
US9079993B1 (en) * 2014-05-22 2015-07-14 Chevron Phillips Chemical Company Lp High clarity low haze compositions
KR20160077702A (ko) 2014-12-24 2016-07-04 한화토탈 주식회사 연속 중합 공정에서의 폴리올레핀 이송 방법
KR102070309B1 (ko) * 2015-11-13 2020-01-28 주식회사 엘지화학 공액디엔 제조장치 및 제조방법
JP6902965B2 (ja) 2017-08-29 2021-07-14 住友化学株式会社 ポリオレフィンの製造方法
US11168157B2 (en) 2018-12-04 2021-11-09 Chevron Phillips Chemical Company Lp Melt flow index response in polyethylene reactors
KR102648454B1 (ko) * 2018-12-18 2024-03-15 바젤 폴리올레핀 게엠베하 에틸렌 중합체의 기상 제조 방법
US11608392B2 (en) 2020-11-17 2023-03-21 Ineos Usa Llc Polymerization process
EP4144435A1 (en) * 2021-09-01 2023-03-08 Borealis AG Gas phase polymerization process with improved gas recycling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894998A (en) * 1973-01-11 1975-07-15 Du Pont Multiple stage reactor system
JPS56166208A (en) * 1980-05-27 1981-12-21 Mitsui Petrochem Ind Ltd Gas-phase polymerization of olefin
JPS56166207A (en) * 1980-05-27 1981-12-21 Mitsui Petrochem Ind Ltd Gas-phase polymerization of olefin
JPS6045645B2 (ja) * 1980-10-09 1985-10-11 三井化学株式会社 オレフイン類の気相重合方法
JPS59230010A (ja) * 1983-06-11 1984-12-24 Chisso Corp 気相多段重合方法

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PT82040B (pt) 1988-05-27
FI860723A (fi) 1986-08-20
FI81811B (fi) 1990-08-31
EP0192427A1 (en) 1986-08-27
FR2577558A1 (fr) 1986-08-22
ES552180A0 (es) 1987-09-01
ZA861201B (en) 1987-10-28
US4703094A (en) 1987-10-27
PT82040A (en) 1986-03-01
NO165845C (no) 1991-04-17
FR2577558B1 (fr) 1987-03-06
ES8707976A1 (es) 1987-09-01
EP0192427B1 (en) 1989-06-21
DE3664050D1 (en) 1989-07-27
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ATE44157T1 (de) 1989-07-15
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NO860606L (no) 1986-08-20
FI81811C (fi) 1998-01-21
CA1248692A (en) 1989-01-10
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US4902483A (en) 1990-02-20
AU5370186A (en) 1986-08-28

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