| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a rubber composition for a rim cushion having high elasticity, suppressing temperature dependency of elastic modulus, and excellent in low heat generating properties, operation stability, crack growth resistance and abrasion resistance, and to provide a pneumatic tire using the same.SOLUTION: A diene rubber, carbon black, a cardanol oligomer, a novolac type phenolic resin, hexamethylene tetramine and a melamine derivative are blended and each composition of the diene rubber, a specific surface area and a blended amount of the carbon black, a blended amount of the cardanol oligomer, a blended amount of the novolac type phenolic resin, a blended amount of the hexamethylene tetramine and a blended amount of the melamine derivative is optimized in specific ranges.</p> |
