Patent ID: 7141628
Filing Date: 2006-11-28
Classification: C08G,C09D

Abstract:
1. A golf ball having a paint film formed of two-component curing type urethane paint, wherein the urethane paint includes an aqueous polyol being at least one selected from the group consisting of an aqueous acrylic polyol, an aqueous polyester polyol, and an aqueous alkyd resin, the aqueous polyol having an hydroxyl value of from 50 mgKOH/g to 100 mgKOH/g (exclusive) and a weight average molecular weight of 5,000 to 20,000, and a polyisocyanate; and a mixing ratio of the polyisocyanate to the aqueous polyol has a molar ratio (NCO/OH) of greater than 1.0 to 1.6.