| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf ball that has a cover excellent in durability and repulsion and, at the same time, can acquire a soft shot feeling. <P>SOLUTION: The golf ball 10 has a solid core 12 and the cover 14 that wraps this solid core 12. This cover 14 contains a reactant which is generated when carboxyl group of ethylene-(meta) acrylic acid copolymer-based resin and terminal isocyanate group which exists at the terminal ends of the main chain of polyurethane forms amide bond. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
