Patent ID: 8182367
Filing Date: 2012-05-22
Classification: A63B,C08G,C08L

Abstract:
1. A golf ball comprising a core and one or more cover layers encasing the core, wherein at least one cover layer is formed by injection-molding a single resin composition of primarily (A) a thermoplastic polyurethane and (B) a polyisocyanate compound, and at least some polyisocyanate compound in which all the isocyanate groups on the molecule remain in an unreacted state is present in the resin composition, wherein the single resin composition consists of a plurality of the same kind of pellets, and wherein the resin blend contains a polyisocyanate compound in at least some portion of which all the isocyanate groups on the molecule remain in an unreacted state by mixing the component (A) and the component (B) in an inert gas or in a vacuum state.