| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf ball which has excellent abrasion-resistance and spin performance. <P>SOLUTION: The golf ball is provided with a core and a cover covering the core. The cover contains, as a resin component, polyurethane which is obtained using, as a polyisocyanate component constituting the polyurethane, 4,4'-dicyclohexylmethane diisocyanate having a mole ratio ((B)/(A)) of non-cis-structure molecule (B) to cis-structure molecule (A) in a range from 3/7 to 9/1. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
