JPS6466251A - Rubber composition for tire sidewall - Google Patents

Rubber composition for tire sidewall

Info

Publication number
JPS6466251A
JPS6466251A JP62224447A JP22444787A JPS6466251A JP S6466251 A JPS6466251 A JP S6466251A JP 62224447 A JP62224447 A JP 62224447A JP 22444787 A JP22444787 A JP 22444787A JP S6466251 A JPS6466251 A JP S6466251A
Authority
JP
Japan
Prior art keywords
hardnesses
shore
rubber composition
deltab
polybutadiene
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
JP62224447A
Other languages
Japanese (ja)
Inventor
Yasunori Yoshida
Tomoichi Nakayama
Satoshi Iwama
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.)
Toyo Tire Corp
Original Assignee
Toyo Tire and 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 Toyo Tire and Rubber Co Ltd filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP62224447A priority Critical patent/JPS6466251A/en
Publication of JPS6466251A publication Critical patent/JPS6466251A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To provide the titled composition of high crack resistance, in particular, outstanding in weatherability in winter, comprising specified proportion of natural rubber etc. and a polybutadiene with the cis content predominant and the Shore A hardnesses at the corresponding respective specified temperatures specifically correlated. CONSTITUTION:The objective composition comprising (A) 30-100pts.wt. of a polybutadiene having the following characteristics: 1. cis content ... >=98%, 2. difference DELTAA between the Shore A hardnesses at -5 deg.C and 23 deg.C respectively ...<=4 and 3. ratio: DELTAB/DELTAA ... 1.0-1.5 (where DELTAB refers to difference between the Shore A hardnesses at -20 deg.C and 23 deg.C respectively) and (B) 0-70pts.wt. of natural rubber and/or a diene-based synthetic rubber.
JP62224447A 1987-09-08 1987-09-08 Rubber composition for tire sidewall Pending JPS6466251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62224447A JPS6466251A (en) 1987-09-08 1987-09-08 Rubber composition for tire sidewall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62224447A JPS6466251A (en) 1987-09-08 1987-09-08 Rubber composition for tire sidewall

Publications (1)

Publication Number Publication Date
JPS6466251A true JPS6466251A (en) 1989-03-13

Family

ID=16813917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62224447A Pending JPS6466251A (en) 1987-09-08 1987-09-08 Rubber composition for tire sidewall

Country Status (1)

Country Link
JP (1) JPS6466251A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10137875C1 (en) * 2001-08-02 2003-04-30 Dialog Semiconductor Gmbh Charge / discharge protection circuit
DE10158494C1 (en) * 2001-11-29 2003-08-07 Dialog Semiconductor Gmbh Charge / discharge protection circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10137875C1 (en) * 2001-08-02 2003-04-30 Dialog Semiconductor Gmbh Charge / discharge protection circuit
DE10158494C1 (en) * 2001-11-29 2003-08-07 Dialog Semiconductor Gmbh Charge / discharge protection circuit

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