Patent ID: 7074859
Filing Date: 2006-07-11
Classification: A63B,C08K

Abstract:
1. A golf ball characterized by comprising a molded and vulcanized product of a rubber composition as a constituent component, the rubber composition comprising 100 parts by weight of a base rubber including 60 to 100% by weight of a polybutadiene containing at least 60% by weight of cis-1,4-bond, having a Mooney viscosity (MIL 10 to 60 parts by weight of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1 to 5 parts by weight of an organosulfur compound selected from the group consisting of pentachlorothiophenol, pentafluorothiophenol, pentabromothiophenol, p-chlorothiophenol, and zinc salts thereof, diphenyl polysulfides, dibenzyl polysulfides, dibenzoyl polysulfides, dibenzothiazoyl polysulfides, dithiobenzoyl polysulfides, and alkylphenyl disulfides, 5 to 80 parts by weight of an inorganic filler, and at least two organic peroxides including an organic peroxide having the shortest half-life at 155° C. designated (a) and another organic peroxide having the longest half-life at 155° C. designated (b), a ratio of half-lives (b