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    • 43. 发明申请
    • GOLF BALL
    • 高尔夫球
    • WO01045806A1
    • 2001-06-28
    • PCT/US2000/042303
    • 2000-11-28
    • A63B37/00A63B37/04A63B37/06A63B37/12
    • A63B37/04A63B37/0003A63B37/0054A63B37/0064A63B37/0066A63B37/0075A63B37/0076A63B37/0078
    • The present invention is directed to a solid, non-wound, golf ball (8) comprising two or more core components (20, 22), and a cover component (11, 12). The core component (10) comprises i) a small, inner, high density, spherical center component (20) comprising a blend of powdered metal and a first matrix material comprising polybutadiene and polyisoprene; and, ii) an outer core layer (22) disposed about the spherical center component (20), formed from a second matrix material selected from the group consisting of a thermoset material, a thermoplastic material, or combinations thereof. The cover (11, 12) may be single or multi-layered. The resulting golf ball of the present invention provides for enhanced playability characteristics without sacrificing distance or durability properties.
    • 本发明涉及一种包括两个或多个芯部件(20,22)和盖部件(11,12)的固体,非卷绕的高尔夫球(8)。 核心部件(10)包括i)小的,内部,高密度的球形中心部件(20),其包括粉末金属和包含聚丁二烯和聚异戊二烯的第一基体材料的共混物; 以及ii)围绕所述球形中心部件(20)设置的外芯层(22),其由选自热固性材料,热塑性材料或其组合的第二基体材料形成。 盖(11,12)可以是单层或多层。 本发明所得的高尔夫球提供了增强的可玩性特征,而不牺牲距离或耐久性。
    • 48. 发明公开
    • GOLF BALL
    • 高尔夫球
    • EP3156441A1
    • 2017-04-19
    • EP16203083.7
    • 2013-04-19
    • Dunlop Sports Co., Ltd.
    • ISOGAWA, KazuhikoTACHIBANA, Kosuke
    • C08K5/00C08K5/098A63B37/00C08K5/09A63B37/06
    • A63B37/0054A63B37/0076A63B37/0092A63B37/06C08K5/0025C08K5/09C08K5/098C08K2201/014C08L21/00
    • A golf ball 2 includes a core 4, a first mid layer 6, a second mid layer 8, and a cover 12. The core 4 includes a center 18 and an envelope layer 20. The center 18 is formed by crosslinking a first rubber composition, and the envelope layer 20 is formed by crosslinking a second rubber composition. The first rubber composition or the second rubber composition includes a base rubber, a co-crosslinking agent, a crosslinking initiator, and an acid and/or a salt. The co-crosslinking agent is:
      (1) an α , β-unsaturated carboxylic acid having 3 to 8 carbon atoms; and/or
      (2) a metal salt of an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms.
      A hardness Hm2 of the second mid layer 8 is greater than a hardness Hm1 of the first mid layer 6. The hardness Hm2 is greater than a hardness Hc of the cover 12.
    • 高尔夫球2包括芯4,第一中间层6,第二中间层8和盖12.芯4包括中心18和包层20.中心18通过将第一橡胶组合物 并且通过交联第二橡胶组合物形成包络层20。 第一橡胶组合物或第二橡胶组合物包括基础橡胶,共交联剂,交联引发剂和酸和/或盐。 共交联剂为:(1)具有3-8个碳原子的±,2-不饱和羧酸; 和/或(2)具有3-8个碳原子的±,2-不饱和羧酸的金属盐。 第二中间层8的硬度Hm2大于第一中间层6的硬度Hm1。硬度Hm2大于盖12的硬度Hc。