Polyurethane golf ball
AssigneeVolvik Inc.
InventorsChui Ho Song, Seung Geun Park, Geon Sim, Kyung Ahn Moon
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Abstract
A golf ball according to an embodiment of the present disclosure is covered with an injection-molded crosslinked polyurethane. The golf ball may have excellent scuff resistance and light resistance of a cover as well as excellent driving distance and spin by using a cover composition containing crosslinked polyurethane obtained by adding a crosslinking agent to thermoplastic polyurethane (TPU). A polyurethane cover composition according to an embodiment can make it possible to prepare a crosslinked polyurethane cover by injection molding without the burden of facility investment cost.
Claims10
A golf ball comprising:
- a core comprising a polybutadiene rubber;
- an inner cover comprising an ionomer resin;
- and
- an outer cover comprising crosslinked polyurethane formed by reaction of thermoplastic polyurethane and a crosslinking agent,
- wherein the crosslinking agent comprises an isocyanate crosslinking agent and a compound represented by Chemical Formula 1:
- wherein
- each of R1, R2 and R3 is independently H, OH or a C1-C10 alkoxy group, with one of R1, R2 and R3 being OH, and
- each of x and y is independently an integer of 1-2.
Dependencies are inferred from the claim text.