Blends of polyamide and acid anhydride-modified polyolefins for use in golf balls

摘要

Multi-layered golf balls having at least one layer made of polyamide/acid anhydride-modified polyolefin blended compositions are provided. Preferably, a transparent polyamide is used. In one version, the composition comprises a blend of polyamide, acid anhydride-modified polyolefin, and plasticizer. The golf ball includes a core having at least one layer and a cover having at least one layer. The polyamide/acid anhydride-modified polyolefin composition may be used to form any core, cover, or other layer in the golf ball. In one version, the polyamide/acid anhydride-modified polyolefin composition is used to form the outer core layer, and a rubber composition is used to form the inner core.

主权项

1. A golf ball, comprising:
a) a core comprising a rubber composition; and b) an inner cover layer disposed about the core, the inner cover comprising a polyamide non-ionomeric composition, the polyamide composition comprising
i) about 40 to about 98% by weight polyamide; andii) about 1 to about 60% by weight of an acid anhydride-modified polyolefin, wherein the acid anhydride-modified polyolefin is an ethylene-vinyl acetate copolymer; andiii) a plasticizer; wherein the flex modulus of the polyamide composition is greater than the flex modulus of the rubber composition; c) an outer cover layer disposed about the inner cover layer.