Golf balls comprising highly-neutralized acid polymers
First Claim
Patent Images
1. A golf ball comprising:
- a single-layer core having a diameter of 0.10 inches to 1.50 inches, a PGA compression of 110 or less and, and comprising a copolymer of ethylene and an α
,β
-unsaturated carboxylic acid, an organic acid or salt thereof, and sufficient cation source to fully-neutralize the acid groups of the copolymer; and
a thermoplastic or thermoset cover comprising a castable reactive liquid polyurethane, polyurea, epoxy resin, polyamide or a copolymer comprising urethane and urea segments;
wherein the core is injection molded or compression molded and has an outer surface treated by plasma treatment, corona discharge, or chemical treatment.
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Abstract
A golf ball comprising a single-layer core having a diameter of 0.10 inches to 1.50 inches, a PGA compression of 110 or less and, and comprising a copolymer of ethylene and an α,β-unsaturated carboxylic acid, the acid being 100% neutralized by a salt of an organic acid, a cation source, or a suitable base of the organic acid; and a thermoplastic or thermoset cover comprising polyurethane, polyurea, epoxy resins, polyamides, polyesters, polycarbonates, or a copolymer comprising urethane and urea segments.
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Citations
21 Claims
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1. A golf ball comprising:
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a single-layer core having a diameter of 0.10 inches to 1.50 inches, a PGA compression of 110 or less and, and comprising a copolymer of ethylene and an α
,β
-unsaturated carboxylic acid, an organic acid or salt thereof, and sufficient cation source to fully-neutralize the acid groups of the copolymer; anda thermoplastic or thermoset cover comprising a castable reactive liquid polyurethane, polyurea, epoxy resin, polyamide or a copolymer comprising urethane and urea segments; wherein the core is injection molded or compression molded and has an outer surface treated by plasma treatment, corona discharge, or chemical treatment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A golf ball comprising:
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a single-layer core comprised of a polymer comprising a copolymer of ethylene and an α
,β
-unsaturated carboxylic acid, an organic acid or salt thereof, and sufficient cation source to fully-neutralize the acid groups of the copolymer, and the core having a PGA compression of 110 or less and a diameter of 0.10 inches to 1.50 inches; anda cover comprising a thermoplastic cover layer comprising ionomeric copolymers and terpolymers, ionomer precursors, thermoplastics, thermoplastic elastomers, grafted metallocene-catalyzed polymers, non-grafted metallocene-catalyzed polymers, single-site polymers, high-crystalline acid polymers and their ionomers, or cationic ionomers; wherein the core is injection molded or compression molded and has an outer surface treated by plasma treatment, corona discharge, or chemical treatment.
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12. A golf ball comprising:
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a core comprised of a polymer comprising an E/X/Y terpolymer of ethylene, an α
,β
-unsaturated carboxylic acid, and a softening co-monomer present in an amount of 30-50 wt. % of the polymer, an organic acid or salt thereof and sufficient cation source to fully-neutralize the acid groups of the copolymer, and the core having a PGA compression of 90 or less and a diameter of 1.0 inch or less;an intermediate layer having a thickness of 0.05 inches to 0.3 inches; and an outer cover layer having a thickness of 0.01 inches to 0.1 inches and comprising a thermoplastic or thermoset cover layer comprising ionomeric copolymers and terpolymers, ionomer precursors, thermoplastics, thermoplastic elastomers, grafted metallocene-catalyzed polymers, non-grafted metallocene-catalyzed polymers, single-site polymers, high-crystalline acid polymers and their ionomers, cationic ionomers, polyurethane, polyurea, epoxy resins, polyethylenes, polyamides, polyesters, polycarbonates, or a copolymer comprising urethane and urea segments; wherein the core has first specific gravity, intermediate layer has a second specific gravity, and the first specific gravity differs from the second specific gravity by at least 0.1. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A golf ball comprising:
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a core comprised of a polymer comprising an E/X/Y terpolymer of ethylene, an α
,β
-unsaturated carboxylic acid, and a softening co-monomer present in an amount of 30-50 wt. % of the polymer, an organic acid or salt thereof, and sufficient cation source to fully-neutralize the acid groups of the copolymer, and the core having a PGA compression of 90 or less and a diameter of 1.0 inch or less;an intermediate layer having a thickness of 0.05 inches to 0.3 inches; and an outer cover layer having a thickness of 0.01 inches to 0.1 inches and comprising a thermoplastic or thermoset cover layer comprising ionomeric copolymers and terpolymers, ionomer precursors, thermoplastics, thermoplastic elastomers, grafted metallocene-catalyzed polymers, non-grafted metallocene-catalyzed polymers, single-site polymers, high-crystalline acid polymers and their ionomers, cationic ionomers, polyurethane, polyurea, epoxy resins, polyethylenes, polyamides, polyesters, polycarbonates, or a copolymer comprising urethane and urea segments; wherein the cover is a castable reactive liquid.
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21. A golf ball comprising:
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a core comprised of a polymer comprising an E/X/Y terpolymer of ethylene, an α
,β
-unsaturated carboxylic acid, and a softening co-monomer present in an amount of 30-50 wt. % of the polymer, an organic acid or salt thereof, and sufficient cation source to fully-neutralize the acid groups of the copolymer, and the core having a PGA compression of 90 or less and a diameter of 1.0 inch or less;an intermediate layer having a thickness of 0.05 inches to 0.3 inches; and an outer cover layer having a thickness of 0.01 inches to 0.1 inches and comprising a thermoplastic or thermoset cover layer comprising ionomeric copolymers and terpolymers, ionomer precursors, thermoplastics, thermoplastic elastomers, grafted metallocene-catalyzed polymers, non-grafted metallocene-catalyzed polymers, single-site polymers, high-crystalline acid polymers and their ionomers, cationic ionomers, polyurethane, polyurea, epoxy resins, polyethylenes, polyamides, polyesters, polycarbonates, or a copolymer comprising urethane and urea segments; wherein the core has an outer surface treated by plasma treatment, corona discharge, or chemical treatment.
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Specification