Golf ball comprising saturated polyurethanes and methods of making same
First Claim
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1. A golf ball comprising a core and a cover layer wherein the cover is formed of a polyurethane composition comprising a saturated prepolymer comprising an initiated polycaprolactone and a saturated diisocyanate, and a curing agent, wherein:
- the initiated polycaprolactone comprises diethylene glycol-initiated polycaprolactone;
1,4-butanediol-initiated polycaprolactone;
1,6-hexanediol-initiated polycaprolactone;
trimethylol propane-initiated polycaprolactone;
neopentyl glycol-initiated polycaprolactone;
polytetramethylene ether glycol-initiated polycaprolactone; and
mixtures thereof; and
the prepolymer further comprises at least one polyol comprising polytetramethylene ether glycol;
poly(oxypropylene)glycol;
polyethylene adipate glycol;
polyethylene propylene adipate glycol;
polybutylene adipate glycol;
polycarbonate glycol;
ethylene oxide-capped polyoxypropylene diol; and
mixtures thereof.
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Abstract
A golf ball comprising a core and a cover layer wherein the cover is formed of a polyurethane composition comprising a saturated prepolymer comprising an initiated polycaprolactone and a saturated diisocyanate, and a curing agent.
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Citations
11 Claims
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1. A golf ball comprising a core and a cover layer wherein the cover is formed of a polyurethane composition comprising a saturated prepolymer comprising an initiated polycaprolactone and a saturated diisocyanate, and a curing agent, wherein:
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the initiated polycaprolactone comprises diethylene glycol-initiated polycaprolactone;
1,4-butanediol-initiated polycaprolactone;
1,6-hexanediol-initiated polycaprolactone;
trimethylol propane-initiated polycaprolactone;
neopentyl glycol-initiated polycaprolactone;
polytetramethylene ether glycol-initiated polycaprolactone; and
mixtures thereof; and
the prepolymer further comprises at least one polyol comprising polytetramethylene ether glycol;
poly(oxypropylene)glycol;
polyethylene adipate glycol;
polyethylene propylene adipate glycol;
polybutylene adipate glycol;
polycarbonate glycol;
ethylene oxide-capped polyoxypropylene diol; and
mixtures thereof.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification