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公开(公告)号：US10005855B2
公开(公告)日：2018-06-26
申请号：US14711482
申请日：2015-05-13
发明人： Takahiro Shigemitsu
CPC分类号： C08F20/06 , A63B37/0003 , A63B37/0037 , A63B37/0039 , A63B37/0043 , A63B37/0045 , A63B37/0048 , A63B37/0049 , A63B37/0062 , A63B37/0065 , A63B37/0075 , C08K5/098 , C08K5/14 , C08K5/375 , C08L9/00 , C08L23/0876
摘要： An object of the present invention is to provide a golf ball resin composition that comprises an ionomer resin with an excellent resilience and fluidity. Another object of the present invention is to provide a golf ball excellent in the resilience without lowering the durability significantly in a golf ball using the ionomer resin for the intermediate layer. The present invention provides a golf ball resin composition comprising, 100 parts by mass of (A) an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer composed of ethylene, α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and α,β-unsaturated carboxylic acid ester, and from 25 parts to 100 parts by mass of (B) a metal salt of a fatty acid having 18 to 30 carbon atoms. The golf ball of the present invention is not limited, as long as it comprises a constituent member formed from the golf ball resin composition of the present invention.
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公开(公告)号：US09687697B2
公开(公告)日：2017-06-27
申请号：US14314460
申请日：2014-06-25
发明人： Takahiro Shigemitsu
CPC分类号： A63B37/0076 , A63B37/0038 , A63B37/0039 , A63B37/0043 , A63B37/0045 , A63B37/0051 , A63B37/0059 , A63B37/0062 , A63B37/0064 , A63B37/0092 , A63B45/00
摘要： Provided is a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. Also provided is a multi-piece golf ball comprising a center and n (n is a natural number of 3 or more) envelope layers covering the center, wherein material hardness of the envelope layers satisfies H2
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公开(公告)号：US20160184656A1
公开(公告)日：2016-06-30
申请号：US14979079
申请日：2015-12-22
IPC分类号： A63B37/00
CPC分类号： A63B37/0092 , A63B37/0031 , A63B37/0035 , A63B37/0043 , A63B37/0047 , A63B37/0062 , A63B37/0066 , A63B37/0069 , A63B37/0076
摘要： An object of the present invention is to provide a golf ball showing a small ratio of a spin rate on driver shots to a spin rate on approach shots. The present invention provides a multi-piece golf ball comprising a spherical center, three or more envelope layers covering the spherical center, and a cover covering the envelope layers, wherein adjacent two envelope layers are formed so as to include a region composed of elements having a hitting deformation ratio of 30% or more, the hitting deformation ratio being obtained by analyzing a specified golf ball model by a finite element method; and the envelope layer which is radially outwardly positioned of the adjacent two envelope layers has a lowest hardness among all the envelope layers.
摘要翻译： 本发明的目的是提供一种高尔夫球，其显示驾驶员镜头上的旋转速率与接近镜头上的旋转速率的小比率。 本发明提供一种多片高尔夫球，其包括球面中心，三个或更多个覆盖球面中心的包络层，以及覆盖包封层的盖，其中相邻的两个包络层形成为包括由具有 打击变形率为30％以上，通过有限元法分析规定的高尔夫球模型获得的打击变形率; 并且相邻的两个包层的径向向外定位的包层具有在所有包层中的最低硬度。
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公开(公告)号：US09346898B2
公开(公告)日：2016-05-24
申请号：US13727862
申请日：2012-12-27
CPC分类号： C08F20/04 , A63B37/0051 , A63B37/0054 , A63B37/0059 , A63B37/006 , A63B37/0073 , C08K5/098 , C08L23/0876 , C08L2205/025 , C08L2205/035
摘要： An object of the present invention is to provide a golf ball resin composition excellent in shot feeling and resilience. The golf ball resin composition includes (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (a-2) an ionomer resin consisting of a metal ion-neutralized product of the binary copolymer components, (a-3) a ternary copolymer composed of the binary copolymer components and an α,β-unsaturated carboxylic acid ester, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of the ternary copolymer components; and (B) a basic metal salt of a fatty acid, and having a storage modulus E′ (Pa) and a loss modulus E″ (Pa) satisfying a following expression; log(E′/E″2)≧−5.84 when measured in a tensile mode using a dynamic viscoelasticity measuring apparatus.
摘要翻译： 本发明的目的在于提供一种拍摄感和弹性优异的高尔夫球树脂组合物。 高岭球树脂组合物包含（A）至少一种选自（a-1）由烯烃和碳原子数3〜8的α，β-不饱和羧酸组成的二元共聚物的树脂成分（ a-2）由二元共聚物组分的金属离子中和产物（a-3）组成的离聚物树脂，由二元共聚物组分和α，β-不饱和羧酸酯组成的三元共聚物和（a- -4）由三元共聚物组分的金属离子中和产物组成的离聚物树脂; 和（B）脂肪酸的碱性金属盐，并且具有满足下式的储能模量E'（Pa）和损耗模量E“（Pa） log（E'/ E“2）≧-5.84当使用动态粘弹性测量装置在拉伸模式下测量时。
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公开(公告)号：US08598278B2
公开(公告)日：2013-12-03
申请号：US13686083
申请日：2012-11-27
发明人： Takahiro Shigemitsu , Sakoto Okabe
CPC分类号： A63B37/0039 , A63B37/0023 , A63B37/0033 , A63B37/0038 , A63B37/0043 , A63B37/0045 , A63B45/00 , C08L23/0876 , C08L2205/02 , C08L2666/06
摘要： An object of the present invention is to provide a resin composition for the golf ball that suppresses the bleed out of the low molecular weight material component, as well as improves the fluidity and repulsion performance. The present invention provides a golf ball forming resin composition comprising as a resin component, (A) a high melt viscosity resin; (B) a low melt viscosity ionomer resin having a melt viscosity (190° C.) ranging from 1 Pa·s to 10 Pa·s measured by a brookfield viscometer, in a ratio of (A) the high melt viscosity resin/(B) the low melt viscosity ionomer resin being 55 mass % to 99 mass %/45 mass % to 1 mass %; and (C) a metal ion source capable of neutralizing carboxyl groups of (A) the high melt viscosity resin and (B) the low melt viscosity ionomer resin, in an amount of from 0.1 part to 10 parts with respect to 100 parts by mass of a sum of (A) the high melt viscosity resin and (B) the low melt viscosity ionomer resin.
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公开(公告)号：US10894191B2
公开(公告)日：2021-01-19
申请号：US15795732
申请日：2017-10-27
摘要： An object of the present invention is to provide a golf ball traveling a great flight distance. The present invention provides a golf ball comprising a spherical core and a cover covering the spherical core, wherein the golf ball has a ratio (t2/t1) of a time (t2) to a time (t1) of 1.05 or more in a hitting test using a driver (at a head speed of 40 m/sec), wherein the time (t1) is a time taken from a moment that the driver begins to contact with the golf ball to a moment that the golf ball reaches a maximum deformation amount, and the time (t2) is a time taken from the moment that the golf ball reaches the maximum deformation amount to a moment that the golf ball leaves the driver.
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公开(公告)号：US10195489B2
公开(公告)日：2019-02-05
申请号：US13906564
申请日：2013-05-31
IPC分类号： A63B37/00
摘要： The present invention provides a golf ball comprising a spherical core composed of a spherical inner core layer and an outer core layer, an intermediate layer and a cover, wherein the inner core layer has a hardness difference (Hs1−Ho) between a surface hardness (Hs1) and a center hardness (Ho) of 5 or less in JIS-C hardness, the outer core is such that R2 of a linearly approximated curve obtained from a least square method is 0.95 or higher, when JIS-C hardness, measured at nine points obtained by dividing a thickness of the outer core in a radius direction of the spherical core into equal parts having 12.5% intervals therebetween, is plotted against distance (%) from a border point between the outer core layer and the inner core layer, and the intermediate layer has a slab hardness which is greater than a slab hardness of the cover.
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公开(公告)号：US09598522B2
公开(公告)日：2017-03-21
申请号：US14582752
申请日：2014-12-24
IPC分类号： A63B37/00 , C08F8/44 , C08F8/46 , C08F279/02 , C08L51/04 , C08L23/08 , C08F290/04 , C08L13/00
CPC分类号： C08F279/02 , A63B37/0003 , A63B37/0007 , A63B37/0018 , A63B37/0022 , A63B37/0023 , A63B37/0024 , A63B37/0031 , A63B37/0039 , A63B37/0051 , A63B37/0059 , A63B37/0074 , A63B37/0075 , A63B37/0076 , A63B37/0078 , C08F8/44 , C08F8/46 , C08F290/048 , C08L13/00 , C08L23/0876 , C08L51/04
摘要： The present invention provides resin compositions for golf balls which have excellent flexibility, fluidity, and resilience, and golf balls formed from the resin compositions. The present invention relates to a resin composition for golf balls including a polymer that contains a diene polymer moiety and a carboxylic acid-based moiety wherein carboxyl groups derived from the carboxylic acid-based moiety are neutralized.
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公开(公告)号：US09345932B2
公开(公告)日：2016-05-24
申请号：US13727874
申请日：2012-12-27
发明人： Takahiro Shigemitsu
CPC分类号： A63B37/0059 , A63B37/0043 , A63B37/0045 , A63B37/0051 , A63B37/0054 , A63B37/006 , A63B37/0062 , A63B37/0064 , A63B37/0075 , A63B37/0076 , C08F22/02 , C08K5/098
摘要： A multi-piece golf ball includes a core composed of a center, an envelope layer and at least one cover. The center is formed from a composition containing at least one resin component and a basic metal salt of a fatty acid. The resin component is selected from a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid, an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid, a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid and an α,β-unsaturated carboxylic acid ester, and an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid and an α,β-unsaturated carboxylic acid ester. The envelope layer is formed from a composition containing a thermoplastic resin and/or a thermoplastic elastomer as a resin component.
摘要翻译： 多件高尔夫球包括由中心，包层和至少一个盖组成的芯。 中心由含有至少一种树脂组分和脂肪酸的碱金属盐的组合物形成。 树脂组分选自由烯烃和α，β-不饱和羧酸组成的二元共聚物，由烯烃和α，α-烯烃组成的二元共聚物的金属离子中和产物组成的离聚物树脂， 不饱和羧酸，由烯烃，α，β-不饱和羧酸和α，β-不饱和羧酸酯组成的三元共聚物和由三元共聚物的金属离子中和产物组成的离聚物树脂，其组成 的烯烃，α，β-不饱和羧酸和α，β-不饱和羧酸酯。 包层由含有热塑性树脂和/或热塑性弹性体作为树脂成分的组合物形成。
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公开(公告)号：US08721473B2
公开(公告)日：2014-05-13
申请号：US13947615
申请日：2013-07-22
IPC分类号： A63B37/06
CPC分类号： A63B37/0039 , A63B37/0031 , A63B37/0033 , A63B37/0035 , A63B37/0043 , A63B37/0045 , A63B37/0047 , A63B37/0062 , A63B37/0064 , A63B37/0066 , A63B37/0091 , A63B37/0092
摘要： A first golf ball 2 includes a core 4, a mid-layer 6, and a cover 8. The core 4 includes a center 10 and an envelope layer 12. The mid-layer 6 includes a metal ion source (C) that can neutralize an ionomer resin. The mid-layer 6 has a melt flow rate (at 190° C. and 2.16 kg) of 4 g/10 minute or greater. The difference (H3−H1) between the JIS-C hardness H3 of the cover 8 and the JIS-C central hardness H1 of the center 10 is equal to or greater than 45. A second golf ball 22 includes a core 24, a mid-layer 28, and a cover 30. The mid-layer 28 has a melt flow rate (at 190° C. and 2.16 kg) of 4 g/10 minute or greater. Preferably, the mid-layer 28 includes a high melt viscosity resin (A), a low melt viscosity ionomer resin (B), and a metal ion source (C1).
摘要翻译： 第一高尔夫球2包括芯4，中间层6和盖8.芯4包括中心10和包层12.中间层6包括可以中和的金属离子源（C） 离聚物树脂。 中间层6具有4g / 10分钟或更高的熔体流动速率（190℃和2.16kg）。 盖8的JIS-C硬度H3与中心部10的JIS-C中央硬度H1之间的差（H3-H1）等于或大于45.第二高尔夫球22包括芯24， 层28和盖30.中间层28的熔体流动速率（在190℃和2.16kg）为4g / 10分钟或更大。 优选地，中间层28包括高熔体粘度树脂（A），低熔融粘度离聚物树脂（B）和金属离子源（C1）。
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