| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for a tire excellent in wet grip performance, rigidity and wear resistance.SOLUTION: Provided is a rubber composition for a tire comprising: diene rubber (A); silica (B); an aromatic modified terpene resin (C); and a low molecular weight styrene-butadiene copolymer (D), and in which the diene rubber (A) includes conjugated diene rubber (A1), the conjugated diene rubber (A1) includes a specified structure (a) by 5 mass% or more, the content of the conjugated diene rubber (A) is 30 mass% or more to the content of the diene rubber (A), the content of the silica (B) is 60 to 170 pts.mass to 100 pts.mass of the diene rubber (A), the content of the aromatic modified terpene resin (C) is 10 to 50 pts.mass to 100 pts.mass of the diene rubber (A), and the content of the low molecular weight styrene-butadiene copolymer (D) is 5 to 100 pts.mass to 100 pts.mass of the diene rubber (A). |
