Polyurethane compositions for golf balls
First Claim
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1. A golf ball comprising a cover and a core, wherein at least one of the cover or the core comprises a composition comprising a polyurea prepolymer and a storage-stable solvent-free pigment dispersion.
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Abstract
Polyurethane and polyurea compositions for golf balls with improved stability of the curative blend, wherein the curative blend includes a pigment, a curing agent, and a compatible freezing point depressing agent so that the curative blend has a lower freezing point than the curing agent by itself and the blend does not lose pigment dispersion upon solidification and subsequent thawing.
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Citations
23 Claims
- 1. A golf ball comprising a cover and a core, wherein at least one of the cover or the core comprises a composition comprising a polyurea prepolymer and a storage-stable solvent-free pigment dispersion.
- 9. A golf ball comprising a cover and a core, wherein at least one of the cover or the core comprises a composition comprising a polyurea prepolymer and a solvent-free pigment dispersion, wherein the pigment dispersion comprises a curing agent, a freezing point depressing agent, and a pigment, and wherein the pigment dispersion measures about 5 or greater on the Hegman scale.
- 17. A golf ball comprising a core, an intermediate layer, and a cover, wherein the cover is formed from a composition comprising a polyurea prepolymer and a solvent-free pigment dispersion, wherein the pigment dispersion comprises a curing agent, a freezing point depressing agent, and a pigment.
Specification