| 摘要 |
PURPOSE: A rubber composition for a tire tread is provided to improve the mixing ratio of oil, to improve thermal aging of tread rubber through heat generated at high speeds, and to improve grip performance. CONSTITUTION: A rubber composition for tire tread comprises 100.0 parts by weight of raw rubber, and 2-50 parts by weight of rice syrup. The rubber composition additionally comprises 1-150 parts by weight of carbon black having an iodine-adsorption amount of 500-1000 m^2/g, nitrogen-adsorption specific surface area(N2SA) is 300-1000 m^2/l, DBP absorption is m^2/g, and BET specific surface area is 100-1000 m^2/l. The rubber composition additional comprises 2-100 parts by weight of petroleum-based oil based on 100.0 parts by weight of the raw rubber. |
