| abstract |
The solid core has a rubber base material containing polybutadiene synthesized using a rare earth element-based catalyst, a small amount of an organic peroxide, an unsaturated carboxylic acid and / or a metal salt thereof, an organic sulfur compound, and an inorganic filler. A two-piece solid golf ball, wherein the cover is formed from a thermoplastic polyurethane material as a main component. According to the present invention, a two-piece solid golf ball having a very excellent flight performance, a high cover cracking durability, a coating abrasion resistance, and a soft hit feeling as compared with conventional golf balls is obtained. be able to. [Selection diagram] Fig. 1 |