| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a solid golf ball which has a thermosetting polyurethane cover having high moldability and ball characteristics. SOLUTION: The solid golf ball comprises a solid core and a polyurethane cover covering the solid core. The polyurethane cover is composed of a hardened composition containing an isocyanate end-group urethane prepolymer and an aromatic polyamine compound, and the content of the residual polyisocyanate monomer in the isocyanate end-group urethane prepolymer is 0.1 wt.% or less.</p> |
