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公开(公告)号：US10195488B2
公开(公告)日：2019-02-05
申请号：US15179233
申请日：2016-06-10
IPC分类号： A63B37/04 , A63B37/06 , A63B37/00 , C08K5/09 , C08K5/19 , C08K3/22 , C08K3/04 , C08K5/098 , C08K5/20
摘要： An object of the present invention is to provide a golf ball resin composition having a high resilience, flexibility and high fluidity. The present invention provides a golf ball resin composition having a bending stiffness (M21-30) ranging from 600 kgf/cm2 to 5,000 kgf/cm2 within a bending angle from 21° to 30°, a rebound resilience (R) of 50% or more, a slab hardness (Shore D) ranging from 40 to 65, a melt flow rate (190° C., 2.16 kgf) of 1.0 g/10 min or more, and a resilience index value ((M21-30)0.5×(R/100)3) of 8.5 or more.
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公开(公告)号：US10143894B2
公开(公告)日：2018-12-04
申请号：US15620000
申请日：2017-06-12
摘要： An object of the present invention is to provide a golf ball having excellent flying performance on driver shots. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing: (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, (d) an unsaturated fatty acid and/or a metal salt thereof (excluding an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof), and (e) a saturated fatty acid and/or a metal salt thereof, provided that the rubber composition further contains (f) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.
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公开(公告)号：US09873023B2
公开(公告)日：2018-01-23
申请号：US15223591
申请日：2016-07-29
CPC分类号： A63B37/0061 , A63B37/0051 , A63B37/006 , A63B37/0062 , A63B37/0063 , A63B37/0065 , A63B37/0074 , A63B37/02 , A63B37/04 , A63B37/06
摘要： An object of the present invention is to provide a golf ball having an excellent initial velocity when being hit at a head speed of 50 m/sec and an improved initial velocity when being hit at a head speed of 40 m/sec. The present invention provides a golf ball comprising a spherical core and at least one cover covering the spherical core, wherein the spherical core is formed from a core rubber composition containing (a) a base rubber, (b) a co-crosslinking agent, (c) a crosslinking initiator and (x) a crosslinked rubber powder, and (x) the crosslinked rubber powder is formed from a rubber composition containing (a1) a base rubber, (b1) a co-crosslinking agent, (c1) a crosslinking initiator and (r) a resin component.
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公开(公告)号：US20160184641A1
公开(公告)日：2016-06-30
申请号：US14981442
申请日：2015-12-28
CPC分类号： A63B37/0003 , A63B37/0038 , C08K3/22 , C08K5/09 , C08K2003/2224 , C08L23/0876 , C08L23/0869 , C08K5/19 , C08K5/175
摘要： An object of the present invention is to provide a golf ball resin composition excellent in resilience. Another object of the present invention is to provide a golf ball excellent in rebound resilience and shot feeling. The present invention provides a golf ball resin composition comprising: (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) a binary ionomer resin, (a-3) a ternary copolymer, and (a-4) a ternary ionomer resin, (B) a saturated fatty acid, and (C) an unsaturated fatty acid, wherein a total content of (B) the saturated fatty acid and (C) the unsaturated fatty acid ranges from 100 parts by mass to 200 parts by mass with respect to 100 parts by mass of (A) the resin component.
摘要翻译： 本发明的目的是提供一种弹性优异的高尔夫球树脂组合物。 本发明的另一个目的是提供一种回弹性和射击感优异的高尔夫球。 本发明提供一种高尔夫球树脂组合物，其包含：（A）至少一种选自（a-1）二元共聚物，（a-2）二元离聚物树脂，（a-3）a 三元共聚物和（a-4）三元离聚物树脂，（B）饱和脂肪酸和（C）不饱和脂肪酸，其中（B）饱和脂肪酸和（C）不饱和脂肪酸的总含量 相对于（A）树脂成分100质量份，酸的范围为100质量份〜200质量份。
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公开(公告)号：US09353199B2
公开(公告)日：2016-05-31
申请号：US13728644
申请日：2012-12-27
CPC分类号： C08F22/02 , A63B37/0051 , A63B37/0054 , A63B37/0059 , A63B37/006 , A63B37/0073 , C08K5/098
摘要： An object of the present invention is to provide a golf ball excellent in a shot feeling and resilience. The present invention provides a golf ball resin composition comprising (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, (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 spin-lattice relaxation time (T1) of 13C nucleus of 5.56 seconds or shorter measured by a High resolution solid state nuclear magnetic resonance (NMR) method.
摘要翻译： 本发明的目的在于提供一种射击感和弹性优异的高尔夫球。 本发明提供一种高尔夫球树脂组合物，其包含（A）至少一种选自（a-1）由烯烃组成的二元共聚物和具有3至8个碳原子的α，β-不饱和羧酸的树脂组分 碳原子，（a-2）由二元共聚物的金属离子中和产物组成的离聚物树脂，（a-3）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）脂肪酸的碱金属盐，通过高分辨率固态核磁共振（NMR）法测定的具有5.56秒或更短的13C核的自旋晶格弛豫时间（T1）为5.56秒或更短。
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公开(公告)号：US09221927B2
公开(公告)日：2015-12-29
申请号：US13728503
申请日：2012-12-27
发明人： Takahiro Shigemitsu
CPC分类号： C08F20/02 , A63B37/0039 , A63B37/0045 , A63B37/0075 , C08K5/098 , C08L23/0876 , C08L9/00
摘要： A golf ball resin composition that is excellent in resilience 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 a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (a-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 (a-4) an ionomer resin consisting of 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, and (B) a basic metal salt of a fatty acid.
摘要翻译： 回弹性优异的高尔夫球树脂组合物包括（A）至少一种选自（a-1）由烯烃组成的二元共聚物和α，β-不饱和羧酸的树脂成分，所述α和β-不饱和羧酸具有3〜 （a-2）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金属离子中和产物（a-3），（a-3） 由烯烃，具有3-8个碳原子的α，bgr-不饱和羧酸和α，β-不饱和羧酸酯组成的三元共聚物和（a-4）由金属离子交换树脂组成的离聚物树脂， 由烯烃，具有3-8个碳原子的α，bgr-不饱和羧酸和α，β-不饱和羧酸酯组成的三元共聚物的中和产物和（B）脂肪酸的碱金属盐 。
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公开(公告)号：US10427009B2
公开(公告)日：2019-10-01
申请号：US14979079
申请日：2015-12-22
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.
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公开(公告)号：US10086236B2
公开(公告)日：2018-10-02
申请号：US15196980
申请日：2016-06-29
摘要： An object of the present invention is to provide a golf ball resin composition having high resilience and flexibility. The present invention provides a golf ball resin composition, comprising (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer, (a-3) a ternary copolymer, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer, (B) a saturated fatty acid, (C) an unsaturated fatty acid, and (D) an unsaturated aliphatic polycarboxylic acid; comprising (B) the saturated fatty acid, (C) the unsaturated fatty acid and (D) the unsaturated aliphatic polycarboxylic acid in a total amount ranging from 80 parts by mass to 200 parts by mass with respect to 100 parts by mass of (A) the resin component; and having a neutralization degree of more than 80 mole %.
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公开(公告)号：US10040929B2
公开(公告)日：2018-08-07
申请号：US15230099
申请日：2016-08-05
摘要： An object of the present invention is to provide a golf ball resin composition having high resilience and flexibility. The present invention provides a golf ball resin composition, comprising (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer, (a-3) a ternary copolymer, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer, (B) a saturated fatty acid, (C) an unsaturated fatty acid, and (D) a carboxyl group modified diene polymer having at least two carboxyl groups and/or an anhydride of the carboxyl groups; and having a neutralization degree of more than 80 mole %, wherein a total amount of (B) the saturated fatty acid, (C) the unsaturated fatty acid and (D) the carboxyl group modified diene polymer ranges from 100 parts by mass to 200 parts by mass with respect to 100 parts by mass of (A) the resin component.
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公开(公告)号：US09987522B2
公开(公告)日：2018-06-05
申请号：US14981442
申请日：2015-12-28
CPC分类号： A63B37/0003 , A63B37/0038 , C08K3/22 , C08K5/09 , C08K2003/2224 , C08L23/0876 , C08L23/0869 , C08K5/19 , C08K5/175
摘要： An object of the present invention is to provide a golf ball resin composition excellent in resilience. Another object of the present invention is to provide a golf ball excellent in rebound resilience and shot feeling. The present invention provides a golf ball resin composition comprising: (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) a binary ionomer resin, (a-3) a ternary copolymer, and (a-4) a ternary ionomer resin, (B) a saturated fatty acid, and (C) an unsaturated fatty acid, wherein a total content of (B) the saturated fatty acid and (C) the unsaturated fatty acid ranges from 100 parts by mass to 200 parts by mass with respect to 100 parts by mass of (A) the resin component.
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