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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
Applicant: Dunlop Sports Co. Ltd.
Inventor： Kazuyoshi Shiga , Hiroshi Tadaoka , Masanori Taguchi , Takahiro Shigemitsu
IPC: A63B37/04 , A63B37/06 , A63B37/00 , C08K5/09 , C08K5/19 , C08K3/22 , C08K3/04 , C08K5/098 , C08K5/20
Abstract: 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：US20160184641A1
公开(公告)日：2016-06-30
申请号：US14981442
申请日：2015-12-28
Applicant: Dunlop Sports Co., Ltd.
Inventor： Kazuyoshi Shiga , Hiroshi Tadaoka , Masanori Taguchi , Takahiro Shigemitsu
CPC classification number: A63B37/0003 , A63B37/0038 , C08K3/22 , C08K5/09 , C08K2003/2224 , C08L23/0876 , C08L23/0869 , C08K5/19 , C08K5/175
Abstract: 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.
Abstract translation: 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：US10099089B2
公开(公告)日：2018-10-16
申请号：US15354464
申请日：2016-11-17
Applicant: Dunlop Sports Co., Ltd.
Inventor： Kazuyoshi Shiga , Masanori Taguchi , Takahiro Shigemitsu , Shoichi Kutsumizu , Yohei Miwa
Abstract: An object of the present invention is to provide a golf ball resin composition having an excellent rebound resilience. The present invention provides a golf ball resin composition containing an ionomer resin as a resin component. In a DSC measurement (a measuring atmosphere: a nitrogen atmosphere, a measuring temperature range: from −50° C. to 150° C., and a temperature rising rate: 10° C./min) of the golf ball resin composition of the first embodiment, a first endothermic peak and a second endothermic peak appear, and a peak top temperature (Ti) of the first endothermic peak is equal to or lower than a peak top temperature (Tm) of the second endothermic peak and the peak top temperature (Ti) ranges from 60° C. to 70° C.
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Patent Agency Ranking
公开(公告)号：US20160361604A1
公开(公告)日：2016-12-15
申请号：US15179233
申请日：2016-06-10
Applicant: Dunlop Sports Co. Ltd.
Inventor： Kazuyoshi Shiga , Hiroshi Tadaoka , Masanori Taguchi , Takahiro Shigemitsu
CPC classification number: A63B37/0039 , A63B37/004 , A63B37/0041 , A63B37/0043 , A63B37/0045 , A63B37/0048 , A63B37/0049 , A63B37/0075 , C08K3/04 , C08K3/22 , C08K5/09 , C08K5/098 , C08K5/19 , C08K5/20 , C08K2003/2224 , C08L23/0876
Abstract: 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.
Abstract translation: 本发明的目的是提供具有高弹性，柔韧性和高流动性的高尔夫球树脂组合物。 本发明提供了一种在21°至30°的弯曲角度内具有600kgf / cm 2至5,000kgf / cm 2的弯曲刚度（M21-30）的高尔夫球树脂组合物，回弹性（R）为50％或 更优选为40〜65的板坯硬度（肖氏D），1.0g / 10分钟以上的熔体流动速率（190℃，2.16kgf），弹性指数值（（M21-30）×0.5× （R / 100）3）为8.5以上。
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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
Applicant: DUNLOP SPORTS CO. LTD.
Inventor： Kazuyoshi Shiga , Masanori Taguchi , Takahiro Shigemitsu
IPC: A63B37/00 , C08F8/44 , C08F8/46 , C08F279/02 , C08L51/04 , C08L23/08 , C08F290/04 , C08L13/00
CPC classification number: 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
Abstract: 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：US10086236B2
公开(公告)日：2018-10-02
申请号：US15196980
申请日：2016-06-29
Applicant: Dunlop Sports Co., Ltd.
Inventor： Kazuyoshi Shiga , Hiroshi Tadaoka , Masanori Taguchi , Takahiro Shigemitsu
Abstract: 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
Applicant: Dunlop Sports Co. Ltd.
Inventor： Kazuyoshi Shiga , Hiroshi Tadaoka , Masanori Taguchi , Takahiro Shigemitsu
Abstract: 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
Applicant: Dunlop Sports Co. Ltd.
Inventor： Kazuyoshi Shiga , Hiroshi Tadaoka , Masanori Taguchi , Takahiro Shigemitsu
CPC classification number: A63B37/0003 , A63B37/0038 , C08K3/22 , C08K5/09 , C08K2003/2224 , C08L23/0876 , C08L23/0869 , C08K5/19 , C08K5/175
Abstract: 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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