Title:
TIRE TREAD RUBBER COMPOSITION
Document Type and Number:
Japanese Patent JP2007099932
Kind Code:
A
Abstract:
To provide a tire tread rubber composition comprising natural rubber (NR) as the major component which has good wet grip, abrasion resistance, and breaking properties after vulcanization.
The tire tread rubber composition comprises a diene rubber component containing natural rubber (NR) and a phenol-modified rosin, and the compounding amount of the natural rubber (NR) based on 100 pts.wt. the above rubber component is 50-100 pts.wt., and the compounding amount of the phenol-modified rosin based on 100 pts.wt. the rubber component is 5-50 pts.wt., and the above phenol-modified rosin has a softening point of 60-200°C and a hydroxyl value of 10-150 KOHmg/g.
Inventors:
SUGIYAMA TOMOAKI
YAGUCHI SATORU
YAGUCHI SATORU
Application Number:
JP2005292383A
Publication Date:
April 19, 2007
Filing Date:
October 05, 2005
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
HARIMA CHEMICALS INC
HARIMA CHEMICALS INC
International Classes:
C08L7/00; B60C1/00; C08L9/00; C08L93/04
Domestic Patent References:
| JPH06192479A | 1994-07-12 | |||
| JP2004137463A | 2004-05-13 | |||
| JPH09328579A | 1997-12-22 | |||
| JP2005015709A | 2005-01-20 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Yoshihiro Kobayashi
Masaya Nishiyama
Takashi Ishida
Tetsuji Koga
Yoshihiro Kobayashi
Masaya Nishiyama