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JPS54127996A - Preparation of cyclized conjugated diene polymer - Google Patents

Preparation of cyclized conjugated diene polymer

Info

Publication number
JPS54127996A
JPS54127996A JP3639278A JP3639278A JPS54127996A JP S54127996 A JPS54127996 A JP S54127996A JP 3639278 A JP3639278 A JP 3639278A JP 3639278 A JP3639278 A JP 3639278A JP S54127996 A JPS54127996 A JP S54127996A
Authority
JP
Japan
Prior art keywords
conjugated diene
polymer
cyclized
preparation
diene polymer
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
JP3639278A
Other languages
Japanese (ja)
Other versions
JPS5744682B2 (en
Inventor
Yoichi Kamoshita
Yoshiyuki Harita
Toko Harada
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 JP3639278A priority Critical patent/JPS54127996A/en
Publication of JPS54127996A publication Critical patent/JPS54127996A/en
Publication of JPS5744682B2 publication Critical patent/JPS5744682B2/ja
Granted legal-status Critical Current

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To prepare a cyclized conjugated diene polymer similar to cyclized rubber and soluble in organic solvents, in a short reaction time using a reduced amount of a catalyst, by cyclizing a conjugated diene (co)polymer in the presence of a fluorine-containing, substituted sulfonic acid.
CONSTITUTION: A conjugated diene (co)polymer III or IV (R1WR6 are H or hydrocarbon) having unsaturated bonds at the main chain or the side chains, is cyclized in an inert solvent in the presence of a fluorine-containing, substituted sulfonic acid compound I (R is H, alkyl, CFnH3-nSO2; n is an integer 1W3), preferably trifluoromethanesulfonic acid (compound) II, as the catalyst, to give the desired polymer.
COPYRIGHT: (C)1979,JPO&Japio
JP3639278A 1978-03-29 1978-03-29 Preparation of cyclized conjugated diene polymer Granted JPS54127996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3639278A JPS54127996A (en) 1978-03-29 1978-03-29 Preparation of cyclized conjugated diene polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3639278A JPS54127996A (en) 1978-03-29 1978-03-29 Preparation of cyclized conjugated diene polymer

Publications (2)

Publication Number Publication Date
JPS54127996A true JPS54127996A (en) 1979-10-04
JPS5744682B2 JPS5744682B2 (en) 1982-09-22

Family

ID=12468573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3639278A Granted JPS54127996A (en) 1978-03-29 1978-03-29 Preparation of cyclized conjugated diene polymer

Country Status (1)

Country Link
JP (1) JPS54127996A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455304A1 (en) * 1979-04-24 1980-11-21 Japan Synthetic Rubber Co Ltd PHOTOGRAPHIC RESERVE COMPOSITION
JPS5770102A (en) * 1980-10-21 1982-04-30 Japan Synthetic Rubber Co Ltd Production of high-purity cylized diene polymer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS636182U (en) * 1986-06-30 1988-01-16

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455304A1 (en) * 1979-04-24 1980-11-21 Japan Synthetic Rubber Co Ltd PHOTOGRAPHIC RESERVE COMPOSITION
JPS5770102A (en) * 1980-10-21 1982-04-30 Japan Synthetic Rubber Co Ltd Production of high-purity cylized diene polymer
JPH0132244B2 (en) * 1980-10-21 1989-06-30 Japan Synthetic Rubber Co Ltd

Also Published As

Publication number Publication date
JPS5744682B2 (en) 1982-09-22

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