| 摘要 |
The present invention provides a golf ball having a core and a cover of one or more layer, wherein the core is made of a material obtained by molding under heat a rubber composition which includes (a) a base rubber containing polybutadiene having a stress relaxation time (T80) of 3.5 or less, (b) an unsaturated carboxylic acid and/or a metal salt thereof, and (c) an organic peroxide, and wherein at least one layer of the cover is made of a material obtained by molding a mixture composed of (A) 100 parts by weight of a base resin and (B) 1 to 40 parts by weight of a branched saturated fatty acid or a derivative thereof. The golf ball has an excellent rebound overall, a soft, pleasant feel on impact, and excellent scuff resistance. Moreover, it has an appearance with a high degree of whiteness.
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