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US 2025/0001265 A1Published application
Constituent member of golf ball
AssigneeBridgestone Sports Co., Ltd.
InventorsJun SHINDO, Daisuke Arai
Life of this patent
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Abstract
The invention provides a rubber composition for golf balls, comprising: (a) a base rubber, (b) a co-crosslinking agent which is an α,β-unsaturated carboxylic acid or a metal salt thereof or both, (c) an organic peroxide, (d) water or a moisture-providing agent, (e) a hindered phenol-type antioxidant including a substituent having thioether structure, wherein the content of component (e) is at least 0.2 part by weight per 100 parts by weight of component (a).
Claims14
A rubber composition for golf balls, comprising:
- (a) a base rubber,
- (b) a co-crosslinking agent which is an α,β-unsaturated carboxylic acid or a metal salt thereof or both,
- (c) an organic peroxide,
- (d) water or a moisture-providing agent,
- (e) a hindered phenol-type antioxidant including a substituent having thioether structure, wherein the moisture-providing agent is a substance which includes on the structure thereof a water constituent other than free water and eliminates moisture under heating, or is a substance which thermally decomposes under heating, releasing a water constituent, and the content of component (e) is at least 0.2 part by weight per 100 parts by weight of component (a).
2 more elements
Dependencies are inferred from the claim text.