| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a golf ball with highly repulsive performance and excellent flying performance, without marring a ball hitting feeling. SOLUTION: A gold ball has a core 1 and one or two or more layer of cover 2, at least one layer of cover 2 being formed by incorporating ethylenically unsaturated carboxylic acid copolymer based ionomer with a condensed ring compound having two or more aminoalkyl radicals at a rate of 0.01-1 equivalent in terms of the carboxylic radicals of the ionomer and an ionomer modified composition with a Shore D hardness of 55-70 being contained 20-100% by weight in the resin component of the cover 2.</p> |
