Patent ID: 8048958
Filing Date: 2011-11-01
Classification: A63B,C08G,C08L

Abstract:
1. A golf ball comprising a core and a cover covering the core, wherein the cover is made from a cover composition containing, as a resin component, a thermoplastic polyurethane (A) and a polyisocyanate mixture (B) in which a polyisocyanate (b-1) having at least three isocyanate groups is dispersed in a thermoplastic resin (b-2) which does not substantially react with an isocyanate group; and wherein the polyisocyanate (b-1) is an isocyanurate of a diisocyanate, the cover composition has a slab hardness of more than 60 and not more than 75 in Shore D hardness, and the cover has a thickness of 2.5 mm or less.