| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rubber composition for tire, capable of improving fuel efficiency, wear resistance, workability and rubber strength, and a pneumatic tire. <P>SOLUTION: The rubber composition for tire includes: modified natural rubber having a phosphor content of 200 ppm or less; high-molecular-weight polybutadiene having a weight-average molecular weight of 250,000 or more; and low-molecular-weight polybutadiene having a weight-average molecular weight of 0.5 to 200,000. <P>COPYRIGHT: (C)2012,JPO&INPIT |
