Thin-layer-covered golf ball with improved velocity
First Claim
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1. A golf ball comprising:
- a center comprising a material having a molecular weight of greater than about 200,000 and a resilience index of at least about 40, wherein the material is formed from a conversion reaction comprising a cis-to-trans catalyst and a polybutadiene material; and
a cover layer comprising a polyurethane composition formed from a prepolymer having less than about 14 percent by weight unreacted isocyanate groups.
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Abstract
A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 percent by weight unreacted isocyanate groups.
131 Citations
19 Claims
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1. A golf ball comprising:
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a center comprising a material having a molecular weight of greater than about 200,000 and a resilience index of at least about 40, wherein the material is formed from a conversion reaction comprising a cis-to-trans catalyst and a polybutadiene material; and a cover layer comprising a polyurethane composition formed from a prepolymer having less than about 14 percent by weight unreacted isocyanate groups. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A golf ball comprising:
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a center comprising a material having a molecular weight of greater than about 200,000 and a resilience index of at least about 40, wherein the material is formed from a conversion reaction comprising a cis-to-trans catalyst and a polybutadiene material; and a cover layer having a thickness of about 0.05 inches or less comprising a polyurethane composition formed from a prepolymer having less than about 7.5 percent by weight unreacted isocyanate groups. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification