| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a golf ball excellent in kneading work efficiency when preparing a core rubber composition containing (d) a carboxylic acid and/or a salt thereof.SOLUTION: There is provided a method for manufacturing a golf ball comprising the steps of: blending (a) a base rubber and at least (b) a carboxylic acid and/or a salt thereof to prepare a first masterbatch; blending (a) the base rubber and at least (c) a crosslinking initiator to prepare a second masterbatch; blending the first masterbatch and second masterbatch to form a core rubber composition; molding the core rubber composition into a spherical core; and forming one or more cover layers covering the spherical core. |
