公开(公告)号：US20160008666A1

公开(公告)日：2016-01-14

申请号：US14861275

申请日：2015-09-22

Applicant: DUNLOP SPORTS CO., LTD.

Inventor： Ryota SAKAMINE ,  Chiemi MIKURA ,  Shun KURIHARA ,  Ayaka SHINDO

IPC: A63B37/00

CPC classification number: A63B37/0051 ,  A63B37/0054 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0065 ,  A63B37/0074 ,  A63B37/0096 ,  C08K5/09 ,  C08K5/095 ,  C08K5/175 ,  C08K5/37 ,  C08K5/372 ,  C08L9/00 ,  C08L21/00

Abstract: An object of the present invention is to provide a golf ball having a low spin rate on driver shots. The present invention provides a golf ball comprising 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) 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 and (d) a carboxylic acid having a benzene ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上具有低旋转速率的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，所述橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 具有3至8个碳原子的酸和/或其金属盐作为共交联剂，（c）交联引发剂和（d）具有苯环和/或其盐的羧酸，条件是橡胶组合物 在（b）具有3〜8个碳原子的α，bgr-不饱和羧酸作为共交联剂的情况下，还含有（e）金属化合物。

公开(公告)号：US20130123044A1

公开(公告)日：2013-05-16

申请号：US13676763

申请日：2012-11-14

Applicant: Dunlop Sports Co., Ltd.

Inventor： Chiemi MIKURA ,  Shun KURIHARA ,  Ayaka SHINDO ,  Ryota SAKAMINE

IPC: A63B37/00

CPC classification number: A63B37/0039 ,  A63B37/0051 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0074 ,  C08K3/22 ,  C08L21/00 ,  C08L33/08

Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots. The present invention provides a golf ball comprising 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) 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) a carboxylic acid having 1 to 14 carbon atoms and/or a salt thereof, and (e) a halogen-substituted thiophenol and/or a metal salt thereof as an organic sulfur compound, 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.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上行驶飞行距离很远的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 具有3-8个碳原子和/或其金属盐作为共交联剂，（c）交联引发剂，（d）具有1至14个碳原子的羧酸和/或其盐，和（e） 卤素取代的苯硫酚和/或其金属盐作为有机硫化合物，条件是橡胶组合物在仅含（b）α，β-不饱和羧酸的情况下还含有（f）金属化合物，其具有3 8个碳原子作为共交联剂。

公开(公告)号：US20170340924A1

公开(公告)日：2017-11-30

申请号：US15608684

申请日：2017-05-30

Applicant: Dunlop Sports Co. Ltd.

Inventor： Ayaka SHINDO ,  Hiroshi TADAOKA ,  Chiemi MIKURA ,  Kazuyoshi SHIGA

IPC: A63B37/00 ,  C08K5/098 ,  C08L9/00

CPC classification number: A63B37/0031 ,  A63B37/0051 ,  A63B37/0063 ,  A63B37/0074 ,  C08K5/09 ,  C08K5/098 ,  C08K5/14 ,  C08L9/00

Abstract: An object of the present invention is to provide a golf ball having excellent resilience performance. The present invention provides a golf ball having a spherical core and at least one cover layer, 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, and (c) a crosslinking initiator, provided that the rubber composition further contains (d) 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, wherein (c) the crosslinking initiator includes a peroxy ketal represented by the formula (1), and substituents represented by R1 and R2 have a bond dissociation energy of 435 KJ/mol or more.

公开(公告)号：US20160144241A1

公开(公告)日：2016-05-26

申请号：US15013805

申请日：2016-02-02

Applicant: Dunlop Sports Co. Ltd.

Inventor： Ryota SAKAMINE ,  Chiemi MIKURA ,  Ayaka SHINDO

IPC: A63B37/00

CPC classification number: A63B37/0051 ,  A63B37/0007 ,  A63B37/0018 ,  A63B37/0054 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/0096 ,  A63B2037/0079 ,  C08K5/1535 ,  C08K5/45

Abstract: An object of the present invention is to provide a golf ball showing a low spin rate on driver shots. The present invention provides a golf ball comprising 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 and (d) a carboxylic acid having a heterocyclic ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上显示低旋转速率的高尔夫球。 本发明提供了一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α， 具有3-8个碳原子的羧酸和/或其金属盐作为共交联剂，（c）交联引发剂和（d）具有杂环的羧酸和/或其盐，条件是橡胶 组合物还含有（e）在仅含（b）具有3至8个碳原子的α，bgr-不饱和羧酸作为共交联剂的情况下的金属化合物。

公开(公告)号：US20130244810A1

公开(公告)日：2013-09-19

申请号：US13830156

申请日：2013-03-14

Applicant: DUNLOP SPORTS CO., LTD.

Inventor： Chiemi MIKURA ,  Shun KURIHARA ,  Ayaka SHINDO ,  Ryota SAKAMINE

IPC: A63B37/04

CPC classification number: A63B37/04 ,  A63B37/0051 ,  A63B37/0063 ,  C08K5/098 ,  C08K5/37 ,  C08L21/00

Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots. The present invention provides a golf ball comprising 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) 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) a carboxylic acid having 4 to 30 carbon atoms and/or a salt thereof, and (e) a halogen-substituted thiophenol and/or a metal salt thereof as an organic sulfur compound, 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.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上行驶飞行距离很远的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 （c）交联引发剂，（d）具有4-30个碳原子的羧酸和/或其盐，和（e）具有3至8个碳原子的碳原子和/或其金属盐作为共交联剂， 卤素取代的苯硫酚和/或其金属盐作为有机硫化合物，条件是橡胶组合物在仅含（b）α，β-不饱和羧酸的情况下还含有（f）金属化合物，其具有3 8个碳原子作为共交联剂。

公开(公告)号：US20150065270A1

公开(公告)日：2015-03-05

申请号：US14473611

申请日：2014-08-29

Applicant: Dunlop Sports Co., Ltd.

Inventor： Chiemi MIKURA ,  Ayaka SHINDO ,  Mikio YAMADA

IPC: A63B37/00

CPC classification number: A63B37/0063 ,  A63B37/0051 ,  A63B37/0062 ,  A63B37/0074 ,  A63B37/0096 ,  C08K5/37 ,  C08K5/375 ,  C08K5/09 ,  C08L9/00 ,  C08K3/22

Abstract: An object of the present invention is to provide a golf ball showing a low spin rate on driver shots and an excellent shot feeing. The present invention provides a golf ball having a spherical core and at least one cover 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, and at least one compound of (d) mercaptobenzoic acids and/or salts thereof, provided that the rubber composition further contains (e) 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, and the spherical core has a hardness difference (Hs—Ho) between a surface hardness (Hs) and a center hardness (Ho) thereof of 20 or more in JIS-C hardness.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上显示低旋转速率的高尔夫球，并且具有优异的拍摄费用。 本发明提供了一种高尔夫球，其具有球形芯和至少一个覆盖球形芯的盖，其中球形芯由橡胶组合物形成，该橡胶组合物包含：（a）基础橡胶，（b）α， 具有3至8个碳原子的羧酸和/或其金属盐作为共交联剂，（c）交联引发剂和至少一种（d）巯基苯甲酸和/或其盐的化合物，条件是橡胶 组合物在仅含有（b）具有3〜8个碳原子的α，β-不饱和羧酸作为共交联剂的情况下还含有（e）金属化合物，并且球形芯具有硬度差（Hs -Hos）和中心硬度（Ho）在JIS-C硬度中为20以上。

公开(公告)号：US20140206476A1

公开(公告)日：2014-07-24

申请号：US14158325

申请日：2014-01-17

Applicant: Dunlop Sports Co. Ltd.

Inventor： Ryota SAKAMINE ,  Chiemi MIKURA ,  Ayaka SHINDO

IPC: A63B37/00

CPC classification number: A63B37/0051 ,  A63B37/0007 ,  A63B37/0018 ,  A63B37/0054 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/0096 ,  A63B2037/0079 ,  C08K5/1535 ,  C08K5/45

Abstract: An object of the present invention is to provide a golf ball showing a low spin rate on driver shots. The present invention provides a golf ball comprising 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 and (d) a carboxylic acid having a heterocyclic ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上显示低旋转速率的高尔夫球。 本发明提供了一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α， 具有3-8个碳原子的羧酸和/或其金属盐作为共交联剂，（c）交联引发剂和（d）具有杂环的羧酸和/或其盐，条件是橡胶 组合物还含有（e）在仅含（b）具有3至8个碳原子的α，bgr-不饱和羧酸作为共交联剂的情况下的金属化合物。

公开(公告)号：US20130172111A1

公开(公告)日：2013-07-04

申请号：US13728810

申请日：2012-12-27

Applicant: Dunlop Sports Co., Ltd.

Inventor： Ryota SAKAMINE ,  Chiemi MIKURA ,  Shun KURIHARA ,  Ayaka SHINDO

IPC: A63B37/00

CPC classification number: A63B37/0051 ,  A63B37/0054 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0065 ,  A63B37/0074 ,  A63B37/0096 ,  C08K5/09 ,  C08K5/095 ,  C08K5/175 ,  C08K5/37 ,  C08K5/372 ,  C08L9/00 ,  C08L21/00

Abstract: An object of the present invention is to provide a golf ball having a low spin rate on driver shots. The present invention provides a golf ball comprising 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) 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 and (d) a carboxylic acid having a benzene ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上具有低旋转速率的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 具有3〜8个碳原子和/或其金属盐作为共交联剂，（c）交联引发剂和（d）具有苯环和/或其盐的羧酸，条件是橡胶组合物进一步 在（b）含有3〜8个碳原子的α，β-不饱和羧酸作为共交联剂的情况下，含有（e）金属化合物。

公开(公告)号：US20140295994A1

公开(公告)日：2014-10-02

申请号：US14228484

申请日：2014-03-28

Applicant: Dunlop Sports Co., Ltd.

Inventor： Ayaka SHINDO ,  Chiemi MIKURA ,  Ryota SAKAMINE

IPC: A63B37/00

CPC classification number: A63B37/0051 ,  A63B37/0007 ,  A63B37/0018 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0065 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/0096 ,  A63B2037/0079

Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance 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 specific organic peroxide, and (d) a carboxylic acid and/or a salt thereof, provided that the rubber composition further contains (e) 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.

Abstract translation: 本发明的目的是提供一种在驾驶员镜头上行驶飞行距离很远的高尔夫球。 本发明提供一种高尔夫球，其具有球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α， 具有3至8个碳原子的羧酸和/或其金属盐作为共交联剂，（c）特定的有机过氧化物，和（d）羧酸和/或其盐，条件是橡胶组合物进一步 在（b）含有3〜8个碳原子的α，bgr-不饱和羧酸作为共交联剂的情况下，含有（e）金属化合物。

公开(公告)号：US20140213391A1

公开(公告)日：2014-07-31

申请号：US14167259

申请日：2014-01-29

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Ayaka SHINDO ,  Chiemi MIKURA ,  Ryota SAKAMINE

IPC: A63B37/00

CPC classification number: A63B37/0063 ,  A63B37/0051 ,  A63B37/0074 ,  C08K5/37

Abstract: An object of the present invention is to provide a golf ball showing a great flight distance on driver shots. The present invention provides a golf ball comprising 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) 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 and (d) a mercaptocarboxylic acid derivative and/or a dithiodicarboxylic acid derivative.

Abstract translation: 本发明的目的是提供一种高尔夫球，其显示驾驶员射击的飞行距离很大。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，所述橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 具有3至8个碳原子的酸和/或其金属盐作为共交联剂，（c）交联引发剂和（d）巯基羧酸衍生物和/或二硫代二羧酸衍生物。