| 摘要 |
A golf ball material comprising a heated mixture of (a) a random copolymer containing at least 5% by weight of a metal ion-neutralized unsaturated carboxylic acid having an acid content of at least 16% by weight, (b) a thermoplastic elastomer, (c) a fatty acid and/or derivative thereof having a molecular weight of 280-1,500, and (d) a basic metal compound capable of neutralizing unneutralized acid groups in components (a) and (c) has good thermal stability, flow and moldability, and can be molded into a part exhibiting excellent rebound, ensuring the manufacture of golf balls with high performance.
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