Patent ID: 8013102

Claim:
A golf ball comprising a core and a cover covering the core, wherein the cover contains a nonionic polyurethane having a hard segment content of from 24.5% to 34.7% by mass as a resin component, and the nonionic polyurethane contains an aromatic diol represented by the following formula (1) as a chain extender component and wherein m and n independently denote an integer of 2 to 4, a polycarbonate polyol as a polyol component, wherein the polycarbonate polyol has, as a repeating constitutional unit, a repeating unit (A) shown in the following formula (2) and a repeating unit (B) shown in the following formula (3) and having a different structure from that of (A), and a mole ratio of (A)/(B) is from 30/70 to 70/30: in formula (2), R′ denotes a bivalent residue obtained by removing two hydroxyl groups from a diol having 4 to 6 carbon atoms; and in formula (3), R 2 denotes a bivalent residue obtained by removing two hydroxyl groups from a diol having 4 to 6 carbon atoms.