Patent ID: 7417081

Claim:
An asphalt composition comprising: 0.5 to 50 parts by weight of a block copolymer component (I) comprising at least one terminal-modified block copolymer comprising: a base block copolymer comprising at least one vinyl aromatic polymer block (A) composed mainly of vinyl aromatic hydrocarbon monomer units and at least one conjugated diene polymer block (B) composed mainly of conjugated diene monomer units, and a modifier group bonded to a terminal of said base block copolymer, said modifier group having at least one functional group selected from the group consisting of a hydroxyl group, an epoxy group, an amino group, a silanol group and an alkoxysilane group, said base block copolymer being unhydrogenated or hydrogenated, 100 parts by weight of an asphalt (II), and 0.01 to 10 parts by weight of at least one vulcanizing agent (III) selected from the group consisting of sulfur and a sulfur-containing compound.