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发明授权
CN103183854B 高尔夫球用树脂组合物及高尔夫球 有权

高尔夫球用树脂组合物及高尔夫球
摘要：
本发明的课题是提供一种回弹性优异的高尔夫球用树脂组合物。本发明进一步提供一种击球感及回弹性优异的高尔夫球。解决手段是，本发明的高尔夫球用树脂组合物含有树脂成分和碱性脂肪酸金属盐，其中，所述树脂成分选自于烯烃与碳原子数3~8个的α,β-不饱和羧酸的二元共聚物、由烯烃与碳原子数3~8个的α,β-不饱和羧酸的二元共聚物的金属离子中和物构成的离聚物树脂、烯烃与碳原子数3~8个的α,β-不饱和羧酸和α,β-不饱和羧酸酯的三元共聚物、以及由烯烃与碳原子数3~8个的α,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物构成的离聚物树脂，其特征是使用动态粘弹性装置在拉伸模式下测定时，储能弹性模量E’（Pa）和损失弹性模量E”（Pa）满足下述式。log（E’/E”2）≥-5.84。
摘要（英）：

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,&bgr;-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,&bgr;-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.

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