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JPS5770134A - Raw material composition for rubber - Google Patents

Raw material composition for rubber

Info

Publication number
JPS5770134A
JPS5770134A JP14552480A JP14552480A JPS5770134A JP S5770134 A JPS5770134 A JP S5770134A JP 14552480 A JP14552480 A JP 14552480A JP 14552480 A JP14552480 A JP 14552480A JP S5770134 A JPS5770134 A JP S5770134A
Authority
JP
Japan
Prior art keywords
styrene
average
bonding ratio
vinyl bonding
polyisoprene
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
JP14552480A
Other languages
Japanese (ja)
Inventor
Akira Saito
Yasuro Hattori
Hideo Morita
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Priority to JP14552480A priority Critical patent/JPS5770134A/en
Publication of JPS5770134A publication Critical patent/JPS5770134A/en
Pending legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: To provide the titled compsn. consisting of natural rubber and/or polyisoprene, a specified polybutadiene and a styrene-butadiene copolymer which does not cause reversion of vulcanization and has excellent processability, wear resistance and tensile strength.
CONSTITUTION: 20W75wt% natural rubber and/or polyisoprene (A) having a cis-1,4 bond content of 85% or higher and a number-average MW of 100,000W1,000,000, 10W50wt% polybutadiene (B) having a vinyl bonding ratio of 1W25%, a number- average MW of 50,000W400,000 and molecular weight distribution of 1.1W4.0, and 15W60wt% styrene-butadiene copolymer (C) having a styrene content of 5W60wt%, a vinyl bonding ratio in butadiene moiety of 35W80%, a number-average MW of 50,000W400,000 and molecular weight distribution of 1.1W4.0, are mixed together in such a proportion as to give a styrene content of 10W35wt% and a vinyl bonding ratio in butadiene moiety of 30W60% in the whole mixture.
COPYRIGHT: (C)1982,JPO&Japio
JP14552480A 1980-10-17 1980-10-17 Raw material composition for rubber Pending JPS5770134A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14552480A JPS5770134A (en) 1980-10-17 1980-10-17 Raw material composition for rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14552480A JPS5770134A (en) 1980-10-17 1980-10-17 Raw material composition for rubber

Publications (1)

Publication Number Publication Date
JPS5770134A true JPS5770134A (en) 1982-04-30

Family

ID=15387208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14552480A Pending JPS5770134A (en) 1980-10-17 1980-10-17 Raw material composition for rubber

Country Status (1)

Country Link
JP (1) JPS5770134A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5787444A (en) * 1980-11-21 1982-05-31 Sumitomo Rubber Ind Ltd Tread rubber composition for tire
JPS5821435A (en) * 1981-07-31 1983-02-08 Yokohama Rubber Co Ltd:The Rubber composition for tire tread
JPS6128536A (en) * 1984-07-18 1986-02-08 Bridgestone Corp Rubber composition
JPS6481811A (en) * 1987-09-24 1989-03-28 Yokohama Rubber Co Ltd Rubber composition for tire tread
JPH01182353A (en) * 1988-01-13 1989-07-20 Asahi Chem Ind Co Ltd Thermoplastic elastomer composition
JPH08188675A (en) * 1995-01-06 1996-07-23 Yokohama Rubber Co Ltd:The Rubber composition and its production
JPH08231766A (en) * 1994-12-28 1996-09-10 Yokohama Rubber Co Ltd:The Rubber composition and its production

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5787444A (en) * 1980-11-21 1982-05-31 Sumitomo Rubber Ind Ltd Tread rubber composition for tire
JPS6318613B2 (en) * 1980-11-21 1988-04-19 Sumitomo Rubber Ind
JPS5821435A (en) * 1981-07-31 1983-02-08 Yokohama Rubber Co Ltd:The Rubber composition for tire tread
JPS6033134B2 (en) * 1981-07-31 1985-08-01 横浜ゴム株式会社 Rubber composition for tire tread
JPS6128536A (en) * 1984-07-18 1986-02-08 Bridgestone Corp Rubber composition
JPS6481811A (en) * 1987-09-24 1989-03-28 Yokohama Rubber Co Ltd Rubber composition for tire tread
JPH01182353A (en) * 1988-01-13 1989-07-20 Asahi Chem Ind Co Ltd Thermoplastic elastomer composition
JPH08231766A (en) * 1994-12-28 1996-09-10 Yokohama Rubber Co Ltd:The Rubber composition and its production
JPH08188675A (en) * 1995-01-06 1996-07-23 Yokohama Rubber Co Ltd:The Rubber composition and its production

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