Patent ID: 8394881
Filing Date: 2013-03-12
Classification: A63B

Abstract:
1. A golf ball comprising: a core; and a cover covering the core, wherein the cover is formed of a cover composition containing a (meth)acrylic polymer-modified silicate and a resin component, wherein the (meth)acrylic polymer comprises a (meth)acrylic acid ester having a tertiary amino group as a component, wherein the (meth)acrylic polymer-modified silicate is a silicate having a layered structure enveloped by a (meth)acrylic polymer, and wherein the (meth)acrylic polymer-modified silicate, before being mixed with the resin component, comprises a layered silicate having an inter layer spacing of at least 6 nm measured by X-ray diffraction, or having an attributed X-ray diffraction peak that is not detected.