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    Multi-layered cores with thermoplastic and thermoset layers for golf balls
    193.
    发明授权
    Multi-layered cores with thermoplastic and thermoset layers for golf balls 有权
    用于高尔夫球的具有热塑性和热固性层的多层芯

    公开(公告)号：US09155937B2

    公开(公告)日：2015-10-13

    申请号：US13686013

    申请日：2012-11-27

    Applicant: Acushnet Company

    Inventor： Michael J. Sullivan ,  Mark L. Binette

    IPC: A63B37/04 ,  A63B37/06 ,  A63B37/12 ,  A63B37/00

    CPC classification number: A63B37/0076 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0047 ,  A63B37/0054 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0066 ,  A63B37/0092

    Abstract: Multi-piece golf balls containing a multi-layered core structure having layers with different hardness gradients and specific gravities are provided. The core structure includes a small, heavy inner core (center) having a relatively high specific gravity with metal material preferably dispersed in a first thermoset composition. The intermediate core layer is preferably formed from a thermoplastic composition such as an ethylene acid copolymer ionomer resin; and the outer core layer is preferably formed from a second thermoset composition. The resulting ball has high resiliency and good spin control.

    Abstract translation: 提供了包含具有不同硬度梯度和比重的层的多层芯结构的多件式高尔夫球。 芯结构包括具有比较高比重的小而重的内芯（中心），金属材料优选分散在第一热固性组合物中。 中间核心层优选由热塑性组合物如乙烯酸共聚物离聚物树脂形成; 并且外芯层优选由第二热固性组合物形成。 所得球具有高弹性和良好的旋转控制。

    Dual Core Golf Ball Having Negative-Hardness-Gradient Thermoplastic Inner Core And Steep Positive-Hardness-Gradient Thermoset Outer Core Layer
    199.
    发明申请
    Dual Core Golf Ball Having Negative-Hardness-Gradient Thermoplastic Inner Core And Steep Positive-Hardness-Gradient Thermoset Outer Core Layer 有权
    具有负硬度梯度热塑性内核和陡峭正硬度梯度热固性外核层的双核高尔夫球

    公开(公告)号：US20150105180A1

    公开(公告)日：2015-04-16

    申请号：US14576349

    申请日：2014-12-19

    Applicant: Acushnet Company

    Inventor： Michael J. Sullivan ,  Mark L. Binette ,  Robert Blink ,  David Bulpett ,  Brian Comeau

    IPC: A63B37/00

    CPC classification number: A63B37/0092 ,  A63B37/0003 ,  A63B37/0006 ,  A63B37/0019 ,  A63B37/002 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0051 ,  A63B37/0059 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/02 ,  A63B45/00 ,  C08K5/09 ,  C08K5/098 ,  C08L23/0876 ,  C08L77/00

    Abstract: A golf ball includes a thermoplastic HNP inner core layer having a center hardness less than the surface hardness to define a positive hardness gradient. An outer core layer is disposed about the inner core and is formed from a thermoset rubber composition. The core layer has an inner surface hardness less than the outer surface hardness to define a positive hardness gradient. Inner and outer cover layers are disposed about the outer core layer. The HNP composition includes an acid copolymer of ethylene and an α,β-unsaturated carboxylic acid; a non-acid polymer comprising polyolefins, polyamides, polyesters, polyethers, polyurethanes, metallocene-catalyzed polymers, single-site catalyst polymerized polymers, ethylene propylene rubber, ethylene propylene diene rubber, styrenic block copolymer rubbers, alkyl acrylate rubbers, or functionalized derivatives thereof; an organic acid or salt thereof; and a cation source in an amount sufficient to neutralize at least about 80% of the acid groups.

    Abstract translation: 高尔夫球包括具有小于表面硬度的中心硬度的热塑性HNP内芯层，以限定正的硬度梯度。 外芯层围绕内芯设置并由热固性橡胶组合物形成。 芯层的内表面硬度小于外表面硬度，以确定正硬度梯度。 内外盖层围绕外芯层设置。 HNP组合物包括乙烯与α，β-不饱和羧酸的酸共聚物; 包含聚烯烃，聚酰胺，聚酯，聚醚，聚氨酯，金属茂催化聚合物，单中心催化剂聚合聚合物，乙丙橡胶，乙烯丙烯二烯橡胶，苯乙烯嵌段共聚物橡胶，丙烯酸烷基酯橡胶或其官能化衍生物的非酸聚合物 ; 有机酸或其盐; 和足以中和至少约80％酸基团的量的阳离子源。

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