JPS5632505A - Production of polyethylene by continuous multistage polymerization - Google Patents

Production of polyethylene by continuous multistage polymerization

Info

Publication number
JPS5632505A
JPS5632505A JP10565779A JP10565779A JPS5632505A JP S5632505 A JPS5632505 A JP S5632505A JP 10565779 A JP10565779 A JP 10565779A JP 10565779 A JP10565779 A JP 10565779A JP S5632505 A JPS5632505 A JP S5632505A
Authority
JP
Japan
Prior art keywords
ethylene
polymerization
hydrogen
pressure
stage polymerization
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
JP10565779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6352654B2 (enrdf_load_stackoverflow
Inventor
Masahito Harada
Yoshikatsu Ishigaki
Sadahiko Yamada
Atsushi Suzuki
Jun Masuda
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.)
JNC Corp
Original Assignee
Chisso Corp
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 Chisso Corp filed Critical Chisso Corp
Priority to JP10565779A priority Critical patent/JPS5632505A/ja
Priority to EP19800302878 priority patent/EP0024881B1/en
Priority to DE8080302878T priority patent/DE3064828D1/de
Publication of JPS5632505A publication Critical patent/JPS5632505A/ja
Publication of JPS6352654B2 publication Critical patent/JPS6352654B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP10565779A 1979-08-20 1979-08-20 Production of polyethylene by continuous multistage polymerization Granted JPS5632505A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10565779A JPS5632505A (en) 1979-08-20 1979-08-20 Production of polyethylene by continuous multistage polymerization
EP19800302878 EP0024881B1 (en) 1979-08-20 1980-08-20 Process for producing polyethylene by continuous multi-stage polymerization and moulded articles made from the product
DE8080302878T DE3064828D1 (en) 1979-08-20 1980-08-20 Process for producing polyethylene by continuous multi-stage polymerization and moulded articles made from the product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10565779A JPS5632505A (en) 1979-08-20 1979-08-20 Production of polyethylene by continuous multistage polymerization

Publications (2)

Publication Number Publication Date
JPS5632505A true JPS5632505A (en) 1981-04-02
JPS6352654B2 JPS6352654B2 (enrdf_load_stackoverflow) 1988-10-19

Family

ID=14413505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10565779A Granted JPS5632505A (en) 1979-08-20 1979-08-20 Production of polyethylene by continuous multistage polymerization

Country Status (1)

Country Link
JP (1) JPS5632505A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156106A (ja) * 1985-12-28 1987-07-11 Mitsui Petrochem Ind Ltd フイツシユアイレベルの改善されたポリオレフインの製造方法
JPH075763U (ja) * 1993-06-30 1995-01-27 佳子 村上 積層カード
JPH11147919A (ja) * 1997-08-20 1999-06-02 Solvay Polyolefins Europe Belgium エチレンポリマーを含む組成物の製造法
WO2009031798A3 (en) * 2007-09-05 2009-05-07 Sk Energy Co Ltd Ethylene copolymer having multiple pitch in molecular weight distribution and the method of preparing the same
JP2013503242A (ja) * 2009-08-28 2013-01-31 ケムチュア コーポレイション 高粘度ポリα−オレフィンの二段階形成方法及びシステム
CN113480683A (zh) * 2021-06-04 2021-10-08 中国神华煤制油化工有限公司 生产聚乙烯的聚合切换方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156106A (ja) * 1985-12-28 1987-07-11 Mitsui Petrochem Ind Ltd フイツシユアイレベルの改善されたポリオレフインの製造方法
JPH075763U (ja) * 1993-06-30 1995-01-27 佳子 村上 積層カード
JPH11147919A (ja) * 1997-08-20 1999-06-02 Solvay Polyolefins Europe Belgium エチレンポリマーを含む組成物の製造法
WO2009031798A3 (en) * 2007-09-05 2009-05-07 Sk Energy Co Ltd Ethylene copolymer having multiple pitch in molecular weight distribution and the method of preparing the same
JP2013503242A (ja) * 2009-08-28 2013-01-31 ケムチュア コーポレイション 高粘度ポリα−オレフィンの二段階形成方法及びシステム
CN113480683A (zh) * 2021-06-04 2021-10-08 中国神华煤制油化工有限公司 生产聚乙烯的聚合切换方法
CN113480683B (zh) * 2021-06-04 2022-12-27 中国神华煤制油化工有限公司 生产聚乙烯的聚合切换方法

Also Published As

Publication number Publication date
JPS6352654B2 (enrdf_load_stackoverflow) 1988-10-19

Similar Documents

Publication Publication Date Title
CA1164596A (en) Process for multi-step gas-phase polymerization of olefins
JPS5632506A (en) Continuous polymerization of ethylene
JPS55164205A (en) Multistage polymerization of ethylene
AR000359A1 (es) Procedimiento para la preparación de polietileno
JPS56166208A (en) Gas-phase polymerization of olefin
KR970702300A (ko) 다정 분자량 분포를 나타내는 중합체의 제조 공정(process for producing polymers with multi-modal molecular weight distributions)
JPS5632505A (en) Production of polyethylene by continuous multistage polymerization
ES457413A1 (es) Procedimiento perfeccionado de polimerizacion del etileno bajo alta presion.
JPS5618607A (en) Polymerization of ethylene
Okano et al. Polymerization of tert‐alkylacetylenes by Mo‐and W‐based catalysts
JPS5632507A (en) Production of polyethylene by continuous multistage polymerization
US5227445A (en) Ethylene-vinyl acetate copolymers of increased solidification point
JPS5690810A (en) Production of polyethylene
JPS5634712A (en) Preparation of polyethylene by continuous multistage polymerization
JPS5634713A (en) Preparation of polyethylene by continuous multistage polymerization
JPS5798510A (en) Production of polyethylene by multistage polymerization
Narasimhaswamy et al. 4-acetylphenyl acrylate-glycidyl methacrylate copolymers: synthesis, characterization and reactivity ratios
JPS5470385A (en) Production of olefin polymer
JPS56161406A (en) Polymerization of ethylene
JPS56166209A (en) Gas-phase polymerization of olefin
JPS5571707A (en) Preparation of improved ethylenic polymer
JPS5632508A (en) Polymerization of ethylene
CA1157003A (en) Process for polymerizing olefin
JPS55106203A (en) Preparation of ethylenic polymer
JPS539900A (en) Improved preparation of ring opening polymers