| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf ball capable of being manufactured with excellence in durability and in a sense of hitting and profitable for reducing manufacturing costs and environmental loads resulting from recycling of waste. <P>SOLUTION: The golf ball is provided with a heat molded product as a constitutional element in which a rubber component composed of base rubber and an unsaturated carboxylic acid or its salt as essential ingredients is vulcanized, wherein the rubber component is added with vulcanized rubber powders in which soluble components are removed through liquid washing. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
