| 摘要 |
A rubber composition for a tire superior in grip performance and abrasion resistance and a tire prepared by using the same are provided. The rubber composition for a tire comprises 3 to 200 parts by weight of an aromatic vinyl polymer having an end modified with —OH, —SH, —COOH, —CSSH, —SO3H, —(COO)xM, —(SO3)xM or —CO—R (M is a cation, x is an integer of 1 to 3 depending on the valency of M and R is an alkyl group) and having a weight average molecular weight of 300 to 10,000, based on 100 parts by weight of a diene rubber, and the tire is prepared by using the rubber composition.
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