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US 2008/0188326 A1Published application
Compositions for Golf Equipment
AssigneeAcushnet Company
InventorsShenshen Wu, Shawn Ricci
Life of this patent
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Abstract
A golf ball comprising a core, an inner cover layer, and an outer cover layer, the outer cover layer being formed from a polyurea including a prepolymer and an amine curative. The prepolymer is formed from an aliphatic isocyanate and a secondary polyamine polyether having a formula: where x=1-70; R1 and R2 each independently=a C1-20 alkyl group, phenyl, or a mixture thereof; and R3═H, CH3, or a mixture thereof.
Claims19
A golf ball comprising a core, an inner cover layer, and an outer cover layer, the outer cover layer being formed from a polyurea comprising:
- a prepolymer comprising:
- an aliphatic isocyanate;
- and
- a secondary polyamine polyether having a formula:
- where x=1-70;
- R1 and R2 each independently=a C1-20 alkyl group, phenyl, or a mixture thereof;
- and R3═H, CH3, or a mixture thereof;
- and
- an amine curative.
6 more elements
Dependencies are inferred from the claim text.