Patent ID: 7655732
Filing Date: 2010-02-02
Classification: A63B,B29C,B29D,B29L,C08C,C08F,C08G,C08K,C08L,C09D

Abstract:
1. A golf ball comprising a core and a cover, wherein the core comprises a material formed from the conversion reaction of polybutadiene having a first amount of trans-isomer content, a free radical source, and a cis-to-trans catalyst, wherein the conversion reaction occurs at a sufficient temperature to form a polybutadiene reaction product comprising a second amount of trans-isomer content greater than the first amount of trans-isomer content, wherein the material has a free radical source to antioxidant ratio of about 25 or greater, wherein the cis-to-trans catalyst comprises a blend of an organosulfur compound and an inorganic sulfide compound, wherein the organosulfur compound is selected from the group consisting of pentafluorothiophenol; 2-fluorothiophenol; 3-fluorothiophenol; 4-fluorothiophenol; 2,3-fluorothiophenol; 2,4-fluorothiophenol; 3,4-fluorothiophenol; 3,5-fluorothiophenol 2,3,4-fluorothiophenol; 3,4,5-fluorothiophenol; 2,3,4,5-tetrafluorothiophenol; 2,3,5,6-tetrafluorothiophenol; 4-chlorotetrafluorothiophenol; pentachlorothiophenol; 2-chlorothiophenol; 3-chlorothiophenol; 4-chlorothiophenol; 2,3-chlorothiophenol; 2,4-chlorothiophenol; 3,4-chlorothiophenol; 3,5-chlorothiophenol; 2,3,4-chlorothiophenol; 3,4,5-chlorothiophenol; 2,3,4,5-tetrachlorothiophenol; 2,3,5,6-tetrachlorothiophenol; pentabromothiophenol; 2-bromothiophenol; 3-bromothiophenol; 4-bromothiophenol; 2,3-bromothiophenol; 2,4-bromothiophenol; 3,4-bromothiophenol; 3,5-bromothiophenol; 2,3,4-bromothiophenol; 3,4,5- bromothiophenol; 2,3,4,5-tetrabromothiophenol; 2,3,5,6- tetrabromothiophenol; pentaiodothiophenol; 2-iodothiophenol; 3-iodothiophenol; 4-iodothiophenol; 2,3-iodothiophenol; 2,4- iodothiophenol; 3,4-iodothiophenol; 3,5-iodothiophenol; 2,3,4- iodothiophenol; 3,4,5-iodothiophenol; 2,3,4,5- tetraiodothiophenol; 2,3,5,6-tetraiodothiophenoland; and their zinc salts, the metal salts thereof, and mixtures thereof and wherein the percent change in dynamic stiffness measured at 0° C. and −50°C. at the center and edge of the core is less than 121 percent.