JPS56127652A - Tread rubber composition for tire - Google Patents
Tread rubber composition for tireInfo
- Publication number
- JPS56127652A JPS56127652A JP3138480A JP3138480A JPS56127652A JP S56127652 A JPS56127652 A JP S56127652A JP 3138480 A JP3138480 A JP 3138480A JP 3138480 A JP3138480 A JP 3138480A JP S56127652 A JPS56127652 A JP S56127652A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- vinyl polybutadiene
- vinyl
- rubber composition
- tire
- 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
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To obtain a tread rubber composition for tires with extremely reduced rolling resistance without damaging frictional resistance on a wet road surface, by utilizing a specific high-vinyl polybutadiene.
CONSTITUTION: 20W100pts.wt. High-vinyl polybutadiene rubber having a vinyl structure at least 40wt%, preferably not less than 60wt% is blended with 80W 0pts.wt. blend of natural rubber or synthetic polyisoprene rubber and styrene- butadiene rubber. A high-vinyl polybutadiene rubber having a glass transition temperature -70°CW-20°C, preferably -50°CW-20°C and a trans structure in a range of 30W10wt% is preferable as the high-vinyl polybutadiene. A three component blend of natural rubber, synthetic polyisoprene rubber, and styrene-butadiene rubber is preferably used.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3138480A JPS56127652A (en) | 1980-03-11 | 1980-03-11 | Tread rubber composition for tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3138480A JPS56127652A (en) | 1980-03-11 | 1980-03-11 | Tread rubber composition for tire |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56127652A true JPS56127652A (en) | 1981-10-06 |
Family
ID=12329756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3138480A Pending JPS56127652A (en) | 1980-03-11 | 1980-03-11 | Tread rubber composition for tire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56127652A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5725338A (en) * | 1980-07-22 | 1982-02-10 | Sumitomo Rubber Ind Ltd | Rubber composition for tread inner layer |
JPS5734139A (en) * | 1980-08-07 | 1982-02-24 | Sumitomo Rubber Ind Ltd | Rubber composition for undertread |
US5723530A (en) * | 1996-09-23 | 1998-03-03 | The Goodyear Tire & Rubber Company | Tire with tread of elastomer composition |
-
1980
- 1980-03-11 JP JP3138480A patent/JPS56127652A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5725338A (en) * | 1980-07-22 | 1982-02-10 | Sumitomo Rubber Ind Ltd | Rubber composition for tread inner layer |
JPS5734139A (en) * | 1980-08-07 | 1982-02-24 | Sumitomo Rubber Ind Ltd | Rubber composition for undertread |
US5723530A (en) * | 1996-09-23 | 1998-03-03 | The Goodyear Tire & Rubber Company | Tire with tread of elastomer composition |
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