Patent ID: 7999036

Claim:
A tire having a tread comprising a rubber composition, comprising: 10 to 50 parts by weight of thermoplastic polyurethane based on 100 parts by weight of a rubber component, said thermoplastic polyurethane being prepared from (a) a conjugated diene polymer modified with hydroxyl groups at both ends thereof or (b) an aromatic vinyl-conjugated diene copolymer modified with hydroxyl groups at both ends thereof, wherein the polymer (a) or polymer (b) is reacted with 1,8-octanediol as a chain extender and with 4,4′-methylene-bis(phenylisocyanate), and wherein the thermoplastic polyurethane includes (1) a soft segment formed from the polymer (a) or the copolymer (b); and (2) a hard segment formed from the 4,4′-methylene-bis(phenylisocyanate), wherein the content of the hard segment in the thermoplastic polyurethane is 21.3 to 30.3% by weight.