| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rubber composition for golf balls that has a moderate hardness, high repulsion and high quality, especially, is applied to a material of one-piece golf ball or a solid core material in a multilayer solid golf ball to have a high initial velocity, to extend a flying distance and to provide an excellent hitting feeling and increases a crosslinking rate in vulcanization and molding and has high productivity of a molded product. <P>SOLUTION: The rubber composition for golf ball includes (A) base rubber having a polybutadiene containing ≥60 mass% cis-1,4-bond, (B) an unsaturated carboxylic acid and/or a metal salt thereof and (C) two or more of organic peroxides containing an organic peroxide (C-1) except diacyl peroxides and an organic peroxide (C-2) of diacyl peroxides. <P>COPYRIGHT: (C)2012,JPO&INPIT |
