Patent ID: 6955614

Claim:
A golf ball comprising a core and a cover formed on the core, wherein the cover comprises a mixture (c) of a component (a) and a component (b) as a base resin, and an elastic modulus of each component satisfies a relationship represented by the following formula: E a X+E b Y>E c (wherein, E a , E b and E c represent an elastic modulus of component (a), that of the component (b) and that of the mixture (c), respectively, and X and Y represent a formulation ratio of the component (a) and that of the component (b)), wherein component (a) is a polyurethane-based thermoplastic elastomer formed by using a cycloaliphatic diisocyanate, and component (b) is a polyurethane-based thermoplastic elastomer formed by using an aliphatic diisocyanate and the weight ratio (a/b) of the component (a) to the component (b) is 95/5 to 5/95.