Golf balls comprising light stable materials and methods of making the same
First Claim
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1. A golf ball comprising at least one light stable cover layer formed from a polyurea composition consisting of a prepolymer and an amine-terminated curing agent, wherein the prepolymer is the reaction product of a diisocyanate selected from the group consisting of ethylene diisocyanate;
- propylene-1,2-diisocyanate;
tetramethylene diisocyanate;
tetramethylene-1,4-diisocyanate;
1,6-hexamethylene-diisocyanate;
octamethylene diisocyanate;
decamethylene diisocyanate;
2,2,4-trimethylhexamethylene diisocyanate;
2,4,4-trimethylhexamethylene diisocyanate;
dodecane-1,12-diisocyanate;
dicyclohexylmethane diisocyanate;
cyclobutane-1,3-diisocyanate;
cyclohexane-1,2-diisocyanate;
cyclohexane-1,3-diisocyanate;
cyclohexane-1,4-diisocyanate;
methyl-cyclohexylene diisocyanate;
2,4-methylcyclohexane diisocyanate;
2,6-methylcyclohexane diisocyanate;
4,4′
-dicyclohexyl diisocyanate;
2,4′
-dicyclohexyl diisocyanate;
1,3,5-cyclohexane triisocyanate;
isocyanatomethylcyclohexane isocyanate;
1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane;
isocyanatoethylcyclohexane isocyanate;
bis(isocyanatomethyl)-cyclohexane diisocyanate;
4,4′
-bis(isocyanatomethyl)dicyclohexane;
2,4′
-bis(isocyanatomethyl)dicyclohexane;
isophoronediisocyanate;
triisocyanate of HDI;
triisocyanate of 2,2,4-trimethyl-1,6-hexane diisocyanate;
4,4′
-dicyclohexylmethane diisocyanate;
2,4-hexahydrotoluene diisocyanate;
2,6-hexahydrotoluene diisocyanate; and
mixtures thereof and a polyether amine selected from the group consisting of polytetramethylene ether diamines, polyoxypropylene diamines, poly(ethylene oxide capped oxypropylene) ether diamines, triethyleneglycoldiamines, propylene oxide-based triamines, trimethylolpropane-based triamines, glycerin-based triamines, and mixtures thereof.
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Abstract
Golf equipment having improved cut and shear resistance that includes a polyurea composition, preferably saturated, formed of a polyurea prepolymer and a curing agent, wherein the polyurea prepolymer includes an isocyanate and a polyether amine, and wherein the curing agent includes a hydroxy-terminated curing agent, amine-terminated curing agent, or a mixture thereof.
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Citations
27 Claims
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1. A golf ball comprising at least one light stable cover layer formed from a polyurea composition consisting of a prepolymer and an amine-terminated curing agent, wherein the prepolymer is the reaction product of a diisocyanate selected from the group consisting of ethylene diisocyanate;
- propylene-1,2-diisocyanate;
tetramethylene diisocyanate;
tetramethylene-1,4-diisocyanate;
1,6-hexamethylene-diisocyanate;
octamethylene diisocyanate;
decamethylene diisocyanate;
2,2,4-trimethylhexamethylene diisocyanate;
2,4,4-trimethylhexamethylene diisocyanate;
dodecane-1,12-diisocyanate;
dicyclohexylmethane diisocyanate;
cyclobutane-1,3-diisocyanate;
cyclohexane-1,2-diisocyanate;
cyclohexane-1,3-diisocyanate;
cyclohexane-1,4-diisocyanate;
methyl-cyclohexylene diisocyanate;
2,4-methylcyclohexane diisocyanate;
2,6-methylcyclohexane diisocyanate;
4,4′
-dicyclohexyl diisocyanate;
2,4′
-dicyclohexyl diisocyanate;
1,3,5-cyclohexane triisocyanate;
isocyanatomethylcyclohexane isocyanate;
1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane;
isocyanatoethylcyclohexane isocyanate;
bis(isocyanatomethyl)-cyclohexane diisocyanate;
4,4′
-bis(isocyanatomethyl)dicyclohexane;
2,4′
-bis(isocyanatomethyl)dicyclohexane;
isophoronediisocyanate;
triisocyanate of HDI;
triisocyanate of 2,2,4-trimethyl-1,6-hexane diisocyanate;
4,4′
-dicyclohexylmethane diisocyanate;
2,4-hexahydrotoluene diisocyanate;
2,6-hexahydrotoluene diisocyanate; and
mixtures thereof and a polyether amine selected from the group consisting of polytetramethylene ether diamines, polyoxypropylene diamines, poly(ethylene oxide capped oxypropylene) ether diamines, triethyleneglycoldiamines, propylene oxide-based triamines, trimethylolpropane-based triamines, glycerin-based triamines, and mixtures thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- propylene-1,2-diisocyanate;
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11. A golf ball comprising:
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a core;
a layer disposed about the core forming a center; and
a cover cast onto the center, wherein the cover comprises a light stable polyurea material consisting essentially of a diisocyanate selected from the group consisting of ethylene diisocyanate;
propylene-1,2-diisocyanate;
tetramethylene diisocyanate;
tetramethylene-1,4-diisocyanate;
1,6-hexamethylene-diisocyanate;
octamethylene diisocyanate;
decamethylene diisocyanate;
2,2,4-trimethylhexamethylene diisocyanate;
2,4,4-trimethylhexamethylene diisocyanate;
dodecane-1,12-diisocyanate;
dicyclohexylmethane diisocyanate;
cyclobutane-1,3-diisocyanate;
cyclohexane-1,2-diisocyanate;
cyclohexane-1,3-diisocyanate;
cyclohexane-1,4-diisocyanate;
methyl-cyclohexylene diisocyanate;
2,4-methylcyclohexane diisocyanate;
2,6-methylcyclohexane diisocyanate;
4,4′
-dicyclohexyl diisocyanate;
2,4′
-dicyclohexyl diisocyanate;
1,3,5-cyclohexane triisocyanate;
isocyanatomethylcyclohexane isocyanate;
1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane;
isocyanatoethylcyclohexane isocyanate;
bis(isocyanatomethyl)-cyclohexane diisocyanate;
4,4′
-bis(isocyanatomethyl)dicyclohexane;
2,4′
-bis(isocyanatomethyl)dicyclohexane;
isophoronediisocyanate;
triisocyanate of HDI;
triisocyanate of 2,2,4-trimethyl-1,6-hexane diisocyanate;
4,4′
-dicyclohexylmethane diisocyanate;
2,4-hexahydrotoluene diisocyanate;
2,6-hexahydrotoluene diisocyanate; and
mixtures thereof, a polyether amine selected from the group consisting of polytetramethylene ether diamines, polyoxypropylene diamines, poly(ethylene oxide capped oxypropylene) ether diamines, triethyleneglycoldiamines, propylene oxide-based triamines, trimethyloipropane-based triamines, glycerin-based triamines, and mixtures thereof, and an amine-terminated curing agent.- View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A golf ball comprising a cover layer formed from a polyurea composition consisting essentially of:
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a polyurea prepolymer formed from the reaction product of;
an isocyanate having the structure O═
C═
N—
R—
N═
C═
O, wherein R consists of a cyclic, aromatic, or linear or branched hydrocarbon moiety containing from about 1 to about 20 carbon atoms; and
a polyether amine selected from the group consisting of wherein the repeating unit x has a value ranging from about 1 to about 70, wherein x and z have combined values from about 3.6 to about 8, y ranges from about 9 to about 50, and wherein R is —
(CH2)a— and
a ranges from about 1 to about 10, - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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Specification