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    • 1. 发明授权
    • Multi-piece solid golf ball
    • 多件式固体高尔夫球
    • US5948862A
    • 1999-09-07
    • US992910
    • 1997-12-18
    • Yoshinori SanoKeiji Moriyama
    • Yoshinori SanoKeiji Moriyama
    • A63B37/00A63B37/04A63B37/12C08L9/06C08L23/08C08L23/26C08L25/00C08L53/02
    • C08L53/025A63B37/0003C08L23/08A63B37/0043A63B37/0045A63B37/0062A63B37/0064A63B37/0075C08L25/00C08L53/02
    • The present invention provides a multi-piece solid golf ball having good shot feel, while keeping the characteristics inherent to the solid golf ball, i.e. excellent flight performance. The present invention related to a multi-piece solid golf ball comprising a core, one or more intermediate layers formed on the core, and a cover covering the intermediate layer, wherein at least one of the intermediate layer is mainly composed of a heated mixture comprising at least two materials selected from the following three materials:(A) ionomer resin,(B) thermoplastic elastomer having terminal OH groups, and(C) either epoxy-group containing styrene-butadiene-styrene block copolymer or epoxy-group containing styrene-isoprene-styrene block copolymer, and the intermediate layer has a JIS-C hardness of 40 to 80, and the core has a JIS-C hardness difference ranging from its center to the surface of not more than 15.
    • 本发明提供一种具有良好的拍摄感觉的多件式固体高尔夫球,同时保持固体高尔夫球固有的特性,即优异的飞行性能。 本发明涉及一种多片固体高尔夫球,其包括芯,形成在芯上的一个或多个中间层和覆盖中间层的覆盖层,其中中间层中的至少一个主要由加热的混合物组成,所述混合物包含 选自以下三种材料中的至少两种材料:(A)离聚物树脂,(B)具有末端OH基团的热塑性弹性体,和(C)含环氧基的苯乙烯 - 丁二烯 - 苯乙烯嵌段共聚物或含环氧基的苯乙烯 - 异戊二烯 - 苯乙烯嵌段共聚物,中间层的JIS-C硬度为40〜80,核心的中心至表面的JIS-C硬度差不大于15。