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US 6,203,450 B1Granted
Golf ball having a core which includes polyurethane rubber
AssigneeWilson Sporting Goods Co.
InventorsWayne R. Bradley, Frank M. Simonutti
Life of this patent
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Abstract
A golf ball includes a solid core which includes a blend of polybutadiene and polyurethane rubber. The rubber component of the core consists of 70 to 95% by weight of a high cis content polybutadiene rubber and 5 to 30% by weight of polyurethane rubber. The core also includes an acrylate of a zinc salt and an organic peroxide initiator.
Claims11
A golf ball comprising a core and a cover the core comprising:
- 100 phr rubber, the rubber consisting of 70 to 95% by weight of a high cis content polybutadiene and
- 5 to 30% by weight of a polyurethane rubber,
- 15 to 40 phr of crosslinking agent,
- 0.5 to 5 phr of a crosslinking initiator, and
- 0 to 10 phr of a metal oxide activator.
2 more elements
Dependencies are inferred from the claim text.