| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a golf ball which can improve the impact feeling without injuring the durability and excellent carry. SOLUTION: This golf ball consists of a core 1, a cover 3 and a middle layer 2 between them. The middle layer 2 is made of a hardened themoplastic resin composition with: (a) a block copolymer or its hydrogen additive with at least one polymer block A comprising aromatic vinyl compounds and at least one polymer block B comprising conjugate diene compounds, and (b) a mixture with ionomers as polymer components.</p> |
