JPS56106942A - Copolymer rubber composition - Google Patents

Copolymer rubber composition

Info

Publication number
JPS56106942A
JPS56106942A JP824080A JP824080A JPS56106942A JP S56106942 A JPS56106942 A JP S56106942A JP 824080 A JP824080 A JP 824080A JP 824080 A JP824080 A JP 824080A JP S56106942 A JPS56106942 A JP S56106942A
Authority
JP
Japan
Prior art keywords
ethylene
rubber
olefin
copolymer rubber
pref
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
JP824080A
Other languages
Japanese (ja)
Other versions
JPS629259B2 (en
Inventor
Takashi Mishima
Yasuhiko Otawa
Katsuo Okamoto
Akira Matsuda
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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries 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 Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP824080A priority Critical patent/JPS56106942A/en
Publication of JPS56106942A publication Critical patent/JPS56106942A/en
Publication of JPS629259B2 publication Critical patent/JPS629259B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prepare the titled rubber composition having balanced various strengths and rubber characteristics, and capable of forming a vulcanizate having extremely high heat aging characteristics, by compounding an ethylene/α-olefin/ polyene rubber and ethylene/propylene copolymer rubber.
CONSTITUTION: The titled composition is prepared by compounding (A) 100pts.wt. of an olefin rubber mixture consisting of (a) 55W90pts.wt., pref. 60W80pts.wt. of an ethylene/(4W10C α-olefin)/polyene copolymer rubber (pref. having an iodine value of 4W30) wherein the molar ratio of ethylene/α-olefin is 80/20W95/5 and (b) 45W10pts.wt., pref. 40W20pts.wt. of an ethylene/propylene copolymer rubber wherein the molar ratio of ethylene/propylene is 50/50W85/15, with (B) ≥0.003pt. mol of an organic peroxide vulcanizing agent, (C) ≥0.003pt.mol of a vulcanization assistant such as a quinone dioxime compound, and (D) ≥0.5pt.wt. of an antioxidant such as a phenolic compound.
USE: Insulation layer of a high-voltage power transmission cable, parts near the automobile engine, etc.
COPYRIGHT: (C)1981,JPO&Japio
JP824080A 1980-01-29 1980-01-29 Copolymer rubber composition Granted JPS56106942A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP824080A JPS56106942A (en) 1980-01-29 1980-01-29 Copolymer rubber composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP824080A JPS56106942A (en) 1980-01-29 1980-01-29 Copolymer rubber composition

Publications (2)

Publication Number Publication Date
JPS56106942A true JPS56106942A (en) 1981-08-25
JPS629259B2 JPS629259B2 (en) 1987-02-27

Family

ID=11687614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP824080A Granted JPS56106942A (en) 1980-01-29 1980-01-29 Copolymer rubber composition

Country Status (1)

Country Link
JP (1) JPS56106942A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019188338A1 (en) * 2018-03-28 2019-10-03 Nok株式会社 Rubber composition

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443873Y2 (en) * 1987-06-24 1992-10-16
JPH0192654U (en) * 1987-12-11 1989-06-16
JPH0448539U (en) * 1990-08-30 1992-04-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019188338A1 (en) * 2018-03-28 2019-10-03 Nok株式会社 Rubber composition

Also Published As

Publication number Publication date
JPS629259B2 (en) 1987-02-27

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