| 摘要 |
The present invention provides a tire rubber composition that enables improvement in fuel economy, wet grip performance, and abrasion resistance while maintaining good processability, and a pneumatic tire produced using the tire rubber composition. The tire rubber composition comprises: a rubber component including a diene polymer; silica; and a compound represented by the following formula (I), the diene polymer being a modified diene polymer obtained by reacting a compound (A) and a compound (B), the compound (A) being an active alkali metal-terminated conjugated diene polymer obtained by polymerizing a conjugated diene monomer alone or with an aromatic vinyl monomer, in the presence of a compound (C), the compound (B) being a modifying agent having a functional group, the compound (C) being a chemical species obtained by reacting an organic alkali metal compound with a compound represented by the following formula (1): the formula (I) being as follows. |
