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    • 10. 发明专利
    • Golf ball
    • 高尔夫球
    • JP2012085692A
    • 2012-05-10
    • JP2010232886
    • 2010-10-15
    • Sri Sports LtdSriスポーツ株式会社
    • OKABE TOSHIKO
    • A63B37/00
    • A63B37/0039A63B37/0043A63B37/0048A63B37/0049C08L23/0876C08L77/00C08L77/08
    • PROBLEM TO BE SOLVED: To provide a golf ball traveling a great distance on long iron shots.SOLUTION: The golf ball comprising a core consisting of a center and at least one intermediate layer covering the center and a cover covering the core, wherein at least one of the intermediate layer is formed from an intermediate layer composition comprises, as a resin component, (A) a polyamide copolymer containing (a-1) a polymerized fatty acid, (a-2) sebacic acid and/or azelaic acid, (a-3) a polyamine component as an essential component, and(B) at least one member selected from the group consisting of (b-1) a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (b-2) a metal ion-neutralized product of a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (b-3) a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and an α,β-unsaturated carboxylic acid ester, and (b-4) a metal ion-neutralized product of a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and an α,β-unsaturated carboxylic acid ester.
    • 要解决的问题:提供在长铁杆上行驶很远的高尔夫球。 解决方案:高尔夫球包括由中心和覆盖中心的至少一个中间层和覆盖芯的盖组成的芯,其中中间层中的至少一个由中间层组合物形成,包括作为 树脂组分,(A)含有(a-1)聚合脂肪酸,(a-2)癸二酸和/或壬二酸,(a-3)多胺成分作为必要成分的聚酰胺共聚物,(B) 选自(b-1)由烯烃和具有3-8个碳原子的α,β-不饱和羧酸组成的二元共聚物的组分中的至少一种,(b-2)金属离子中和产物 由烯烃与碳原子数为3〜8的α,β-不饱和羧酸组成的二元共聚物,(b-3)由烯烃,碳原子数为3〜8的α,β-不饱和羧酸组成的三元共聚物 和α,β-不饱和羧酸酯,和(b-4)三元共聚物的金属离子中和产物 由烯烃,具有3-8个碳原子的α,β-不饱和羧酸和α,β-不饱和羧酸酯组成的聚合物。 版权所有(C)2012,JPO&INPIT