Patent ID: 6974854
Filing Date: 2005-12-13
Classification: A63B,C08G

Abstract:
1. A golf ball comprising: a core comprising a polybutadiene mixture; a boundary layer formed over the core, the boundary layer comprising at least one ionomer material; and a cover formed over the boundary layer, the cover composed of a thermosetting polyurethane material formed from reactants comprising a polytetramethylene ether glycol terminated hexamethylene diisocyanate prepolymer having a NCO group content ranging from 8.0% to 12.0% and 4,4′-methylenebis-(3-chloro,2,6-diethylaniline), wherein the cover has an aerodynamic surface geometry thereon, and wherein a weight ratio of the polytetramethylene ether glycol terminated hexamethylene diisocyanate prepolymer to the curative ranges from about 10:1 to about 30:1.