Patent ID: 7635730

Claim:
A golf ball material comprising: (A) a metal-containing chelating agent (A1) or a mixture (A2) composed of a metal-containing chelating agent and an oxygen-containing inorganic metal compound; (B) one or more polymers selected from the group consisting of diene polymers, thermoplastic polymers and thermoset polymers; and (C) one or more acid-containing polymers having an acid content of from 0.5 to 30 wt % and selected from the group consisting of olefin-unsaturated carboxylic acid copolymers, olefin-unsaturated carboxylic acid-unsaturated carboxylic acid ester terpolymers, unsaturated carboxylic acid anhydride-containing polymers, unsaturated dicarboxylic acid-containing polymers and unsaturated dicarboxylic acid half ester-containing polymers; which is obtained by blending component A with a mixture of components B and C, further comprising, in mixture with components A to C, a norbornene dicarboxylic anhydride and/or a derivative thereof, and a peroxide.