| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for tire tread which can sharply enhance the wear resistance while excellently keeping the low fuel consumption and the fatigue resistance characteristics. SOLUTION: The composition contains, based on 100 pts.wt. of a diene type rubber component containing 15-30 wt.% of a butadiene rubber, 50-56 pts.wt. of carbon black which has: a specific surface area of cetyltrimethylammonium bromide adsorption (CTAB) of 145-151 m<SP>2</SP>/g; a compressed dibutyl phthalate absorption (24M4DBP) of 104-110 ml/100 g; a ratio of CTAB to an iodine adsorption (IA) (CTAB/IA) of 0.95-1.04 m<SP>2</SP>/mg; and a specific surface area of nitrogen adsorption (N<SB>2</SB>SA) of 164-170 m<SP>2</SP>/g. COPYRIGHT: (C)2004,JPO
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