Solid golf ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorsAkihiko Hamada, Kiyoto Maruoka
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Abstract
The present invention provides a solid golf ball which attains long flying distance and is superior in hit feeling and durability. The present invention provides a solid golf ball in which at least a portion thereof is made of rubber, wherein the rubber portion is a crosslinked, molded rubber composition comprising a base rubber, a co-crosslinking agent and peroxides, the base rubber comprising a polybutadiene modified with a tin compound and having a cis content of 40% or more.
Claims3
A solid golf ball in which at least a portion thereof is made of rubber, wherein the rubber portion is a crosslinked, molded rubber composition, comprising:
- a base rubber,
- a co-crosslinking agent and
- a peroxide, wherein the base rubber is comprised of a polybutadiene component having a Mooney viscosity ML1+4 (100° C.) of 20 to 80 and a cis content of 40% or more, said polybutadiene component is chemically reacted with 100 to 5,000 ppm of a tin compound, whereby said chemical reaction results in a tin atom directly bonded to the polybutadiene component, and said chemical reaction takes place after the formation of the polybutadiene component.
Dependencies are inferred from the claim text.