公开(公告)号：US20140031145A1

公开(公告)日：2014-01-30

申请号：US13952992

申请日：2013-07-29

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Akinori KITAMURA ,  Kazuyoshi SHIGA ,  Takahiro SHIGEMITSU ,  Yu KAWABATA

IPC: A63B37/00

CPC classification number: A63B37/0039 ,  A63B37/0051 ,  A63B37/0059 ,  A63B37/0073 ,  C08K5/0008 ,  C08K5/0016 ,  C08K5/103 ,  C08K5/1535 ,  C08K5/17 ,  C08K5/175 ,  C08K5/19 ,  C08K5/20 ,  C08K5/3445 ,  C08K5/42

Abstract: The invention provides a resin composition for golf balls having excellent resilience, flexibility and fluidity, and golf balls having excellent resilience and shot feel. The resin composition comprises: (A) at least one selected from the group consisting of (a-1) a binary copolymer of an olefin and a C3-8 α,β-unsaturated carboxylic acid, (a-2) a metal ion-neutralized product of a binary copolymer of an olefin and a C3-8 α,β-unsaturated carboxylic acid, (a-3) a ternary copolymer of an olefin, a C3-8 α,β-unsaturated carboxylic acid, and an α,β-unsaturated carboxylic acid ester, and (a-4) a metal ion-neutralized product of a ternary copolymer of an olefin, a C3-8 α,β-unsaturated carboxylic acid, and an α,β-unsaturated carboxylic acid ester; (B) a compound containing a hydrocarbon chain, a cationic moiety, and an anionic moiety in its molecule; and (C) a nonionic surfactant, wherein a total degree of neutralization expressed by the following equation is 50-300 mol %: Total   degree   of   neutralization   ( % ) = ∑ ( number   of   moles   of   cation  component   in   resin   composition valence   of   cation   component  ×  ) ∑ ( number   of   moles   of   anion component   in   resin   composition valence   of   anion   component  × ) × 100

Abstract translation: 本发明提供了具有优异的弹性，柔韧性和流动性的高尔夫球用树脂组合物，以及具有优异的弹性和拍摄感的高尔夫球。 树脂组合物包含：（A）选自（a-1）烯烃与C3-8α，β-不饱和羧酸的二元共聚物（a-2），金属离子交换树脂 烯烃和C3-8α，β-不饱和羧酸的二元共聚物的中和产物（a-3）烯烃，C3-8α，β-不饱和羧酸和α的三元共聚物， β-不饱和羧酸酯和（a-4）烯烃，C3-8α，β-不饱和羧酸和α，β-不饱和羧酸酯的三元共聚物的金属离子中和产物; （B）在其分子中含有烃链，阳离子部分和阴离子部分的化合物; 和（C）非离子表面活性剂，其中由下式表示的总中和度为50-300mol％：中和度的总和度（％）=Σ 摩尔比例的组合物组合物的研究组合物的组成 在树脂组合物中的比例××××