JPS6466250A - Rubber composition for tire tread - Google Patents

Rubber composition for tire tread

Info

Publication number
JPS6466250A
JPS6466250A JP62224446A JP22444687A JPS6466250A JP S6466250 A JPS6466250 A JP S6466250A JP 62224446 A JP62224446 A JP 62224446A JP 22444687 A JP22444687 A JP 22444687A JP S6466250 A JPS6466250 A JP S6466250A
Authority
JP
Japan
Prior art keywords
rubber composition
tire tread
hardnesses
polybutadiene
shore
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
JP62224446A
Other languages
Japanese (ja)
Inventor
Hiroshi Takino
Hiroyuki Tobori
Harutaka Tomokuni
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 JP62224446A priority Critical patent/JPS6466250A/en
Publication of JPS6466250A publication Critical patent/JPS6466250A/en
Pending legal-status Critical Current

Links

Landscapes

  • Tires In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To provide the titled composition outstanding in both crack and cut resistances, comprising specified proportion of natural rubber etc. and a polybutadiene with the cis content predominant and the difference between the Shore A hardnesses at the corresponding respective specified temperatures being specific value. CONSTITUTION:The objective composition comprising (A) 10-60pts.wt. of a polybutadiene with the cis content of >=98% and the difference DELTAA between the Shore A hardnesses at -5 deg.C and 23 deg.C respectively being <=4 and (B) 40-90 pts.wt. of natural rubber and/or a diene-based synthetic rubber.
JP62224446A 1987-09-08 1987-09-08 Rubber composition for tire tread Pending JPS6466250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62224446A JPS6466250A (en) 1987-09-08 1987-09-08 Rubber composition for tire tread

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62224446A JPS6466250A (en) 1987-09-08 1987-09-08 Rubber composition for tire tread

Publications (1)

Publication Number Publication Date
JPS6466250A true JPS6466250A (en) 1989-03-13

Family

ID=16813900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62224446A Pending JPS6466250A (en) 1987-09-08 1987-09-08 Rubber composition for tire tread

Country Status (1)

Country Link
JP (1) JPS6466250A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006028505A1 (en) * 2004-09-06 2006-03-16 Ames True Temper, Inc. Flat free tire and method of preparing same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006028505A1 (en) * 2004-09-06 2006-03-16 Ames True Temper, Inc. Flat free tire and method of preparing same

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