| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for a tread capable of improving high mileage, wet grip performance and wear resistance in a good balance, and a pneumatic tire using the composition.SOLUTION: The rubber composition for a tread comprises a rubber component, silica, and a polyalkylene glycol having a branched structure. In 100 mass% of the rubber component, the following conjugate diene polymer is included by 5 mass% or more: the conjugate diene polymer is obtained by allowing an aminosilane compound to react with one end of a conjugate diene polymer having a structural unit based on a conjugate diene and a structural unit based on a compound expressed by a formula (1). The composition contains, with respect to 100 parts by mass of the rubber composition, 5 to 150 parts by mass of the silica and 0.5 to 30 parts by mass of the polyalkylene glycol. |
