| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for a tire capable of improving rigid touch, damping performance, and gripping performance, particularly rigid touch, damping performance, and gripping performance under a high temperature condition, and to provide a pneumatic tire using the rubber composition. SOLUTION: This rubber composition for a tire is a rubber composition for a tire containing a rubber component and a polyurethane having a softening point of 40°C or lower, preferably a rubber composition for a tire in which the above polyurethane is a urethane oligomer. COPYRIGHT: (C)2011,JPO&INPIT
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