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US 9,789,368 B2Granted
Golf balls comprising a plasticized polyurethane layer
AssigneeAcushnet Company
InventorsMichael J. Sullivan, David A Bulpett, Robert Blink, Mark L. Binette, Brian Comeau
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Abstract
A golf ball comprising a core and a cover layer, wherein at least one of the core or cover layer comprises a plasticized polyurethane composition comprising at least one polyurethane and at least one plasticizer.
Claims4
A golf ball comprising a core and a cover, wherein the core comprises:
- an inner core layer formed from a rubber composition, and
- an outer core layer formed from a composition comprising a polyurethane and from 2 wt % to 50 wt %, based on the total weight of the outer core layer composition, of a carbonate ester plasticizer selected from the group consisting of propylene carbonate, ethylene carbonate, and mixtures thereof;
- wherein the surface hardness of the outer core layer is greater than the center hardness of the inner core layer.
Dependencies are inferred from the claim text.