Urethane golf ball covers using epoxy compounds with a polyamine or glycol as curing agents
AssigneeAcushnet Company
InventorShenshen Wu
Life of this patent
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Abstract
A golf ball cover is produced from a composition comprising an isocyanate-functional prepolymer and a curing agent of a polyamine or glycol, and an organic compound having at least one epoxy group such as the diglycidyl ether of bisphenol A.
Claims36
A golf ball having improved shear resistance comprising a cover and a core wherein the cover is made from a thermoset or thermoplastic polyurethane composition comprising an isocyanate-function polyurethane prepolymer and a curing agent comprising a polyamine or glycol, and an organic compound having at least one epoxy group and wherein the Young's modulus of the cover is from about 5,000 psi to about 100,000 psi.
A method of improving the shear resistance of an unpainted golf ball having a polyurethane cover comprising the step of adding a curing agent comprising a polyamine or glycol, and an organic compound having at least one epoxy group to an isocyanate-functional polyurethane prepolymer.
Dependencies are inferred from the claim text.