| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rubber composition for a tire, which can improve a damping performance while maintaining adequate rigidity during an early period of traveling, and to provide a pneumatic tire in which the rubber composition is used for each member of the tire, especially for a sidewall. <P>SOLUTION: This invention relates to the rubber composition, comprising: a rubber component containing an isoprene rubber and a butadiene rubber; a coumarone-indene resin having a softening point of 70 to 170°C; and a terpene resin having a softening point of 70 to 150°C. <P>COPYRIGHT: (C)2012,JPO&INPIT |
