| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a rubber composition for tire tread, which improves dry grip performance from an early stage of traveling while maintaining wear resistance, is excellent in durability of the dry grip performance, and improves blowout resistance. <P>SOLUTION: The rubber composition is prepared by blending 20-60 pts.wt. adhesiveness-imparting resin and 1-10 pts.wt. cyclic polysulfide represented by formula (I), and 100 pts.wt. diene rubber [wherein R is a 2-20C substituted or unsubstituted alkylene group, a 2-20C substituted or unsubstituted oxyalkylene group, or an aromatic ring-containing alkylene group; x is a number of 2-6 on average; and n is an integer of 1-20]. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
