Patent ID: 7339010
Filing Date: 2008-03-04
Classification: A63B,C08G,C08L

Abstract:
1. A method of forming a portion of a golf ball comprising the steps of: providing a first polymeric precursor comprising a polyurethane or polyurea prepolymer having blocked isocyanate groups and a first curing agent; providing a second polymeric precursor comprising an epoxy resin; adding a second curing agent to the second polymeric precursor to form a second polymeric system wherein the second curing agent is substantially unreactive with the first polymeric precursor; combining the first polymeric precursor and second polymeric system in a vessel; elevating the temperature in the vessel to an amount sufficient to unblock the isocyanate groups in the first polymeric component to provide a first polymeric system resulting in an interpenetrating polymer network (“IPN”) comprising the first and second polymeric systems; and forming the IPN into the portion of the golf ball, wherein the step of adding occurs prior to the steps of combining and elevating.