Patent ID: 9533196
Date: 2017-01-03
CPC Classifications: A63B,C08G,C09D

Claim:
1. A golf ball comprising a golf ball body having a spherical core, an intermediate layer covering the spherical core and a cover covering the intermediate layer, and a paint film formed on a surface of the golf ball body, wherein a 10% modulus Mp (kgf/cm a 10% modulus Mm (kgf/cm a 10% modulus Mc (kgf/cm a thickness Tp (mm) of the paint film is 0.005 mm or more and 0.05 mm or less, a thickness Tm (mm) of the intermediate layer is 0.7 mm or more and 1.6 mm or less, a thickness Tc (mm) of the cover is 0.3 mm or more and 0.8 mm or less, a base resin constituting the paint film is a polyurethane obtained by a reaction between a polyol composition and a polyisocyanate composition, the polyol composition contains a urethane polyol including a polyether diol with a number average molecular weight ranging from 800 to 3000 as a constituent component, a molar ratio (NCO/OH) X of an isocyanate group (NCO) in the polyisocyanate composition to a hydroxyl group (OH) in the polyol composition is more than 0.5 and 1.20 or less, and the 10% modulus Mp (kgf/cm