| abstract |
ยท Diene rubber, Silica; 60 to 200 parts by mass based on 100 parts by mass of the rubber, (A) a (B) b (C) c (D) d (R 1 ) e SiO (4-2a-bcde) / 2 wherein A is a sulfide group containing 2 B is a monovalent hydrocarbon group having 5 to 10 carbon atoms, C is a hydrolyzable group, D is a mercapto group-containing organic group, R 1 is a monovalent hydrocarbon group having 1 to 4 carbon atoms, and 0? A < , 0? B <1, 0 <c <3, 0 <d <1, 0? E <2, 0 <2a + b + c + d + e? However, either one of a and b is not 0.] A rubber composition for a tire tread containing an alkyltriethoxysilane having an alkyl group having 7 to 20 carbon atoms, and an air intake tire using the rubber composition for a tire tread. |