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JPS5386784A - Production of conjugated diene polymer - Google Patents

Production of conjugated diene polymer

Info

Publication number
JPS5386784A
JPS5386784A JP170777A JP170777A JPS5386784A JP S5386784 A JPS5386784 A JP S5386784A JP 170777 A JP170777 A JP 170777A JP 170777 A JP170777 A JP 170777A JP S5386784 A JPS5386784 A JP S5386784A
Authority
JP
Japan
Prior art keywords
diene polymer
conjugated diene
production
circulation
prevented
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.)
Pending
Application number
JP170777A
Other languages
Japanese (ja)
Inventor
Tsuichi Shimokawa
Noboru Ooshima
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.)
JSR Corp
Original Assignee
Japan Synthetic Rubber Co 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 Japan Synthetic Rubber Co Ltd filed Critical Japan Synthetic Rubber Co Ltd
Priority to JP170777A priority Critical patent/JPS5386784A/en
Publication of JPS5386784A publication Critical patent/JPS5386784A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2435—Loop-type reactors
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)

Abstract

PURPOSE: The continuous polymerization of conjugated dienes is conducted changing the circulation of the reaction mixture in amount, thereby the gel formation is prevented and conjugated diene polymer having desired molecular weight distribution is produced in good productivity.
COPYRIGHT: (C)1978,JPO&Japio
JP170777A 1977-01-11 1977-01-11 Production of conjugated diene polymer Pending JPS5386784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP170777A JPS5386784A (en) 1977-01-11 1977-01-11 Production of conjugated diene polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP170777A JPS5386784A (en) 1977-01-11 1977-01-11 Production of conjugated diene polymer

Publications (1)

Publication Number Publication Date
JPS5386784A true JPS5386784A (en) 1978-07-31

Family

ID=11509012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP170777A Pending JPS5386784A (en) 1977-01-11 1977-01-11 Production of conjugated diene polymer

Country Status (1)

Country Link
JP (1) JPS5386784A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6071617A (en) * 1983-09-27 1985-04-23 Kanegafuchi Chem Ind Co Ltd Production of polystyrene
JPS6211710A (en) * 1985-05-03 1987-01-20 デーエスエム　ナムローゼ　フェンノートシャップ Production of thermoplastic polymer
CN107344981A (en) * 2016-05-04 2017-11-14 中国石油化工股份有限公司 A kind of method for producing butyl rubber

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6071617A (en) * 1983-09-27 1985-04-23 Kanegafuchi Chem Ind Co Ltd Production of polystyrene
JPS6211710A (en) * 1985-05-03 1987-01-20 デーエスエム　ナムローゼ　フェンノートシャップ Production of thermoplastic polymer
CN107344981A (en) * 2016-05-04 2017-11-14 中国石油化工股份有限公司 A kind of method for producing butyl rubber
CN107344981B (en) * 2016-05-04 2020-06-09 中国石油化工股份有限公司 Method for producing butyl rubber

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