| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for tire to achieve excellent steering stability and damping characteristics, suppress change of stiffness due to driving, and improve these characteristics in good balance, and a pneumatic tire using this composition.SOLUTION: The rubber composition for tire contains styrene-butadiene rubber and/or natural rubber, norbornene polymer, and mixture of zinc salt of aliphatic carboxylic acid and zinc salt of aromatic carboxylic acid. |
