公开(公告)号：EP3669955A1

公开(公告)日：2020-06-24

申请号：EP19213065.6

申请日：2019-12-03

申请人： Sumitomo Rubber Industries, Ltd.

发明人： NAITO, Yasuo ,  OKA, Yuko ,  OYAMA, Shimpei ,  ABE, Tetsuro ,  SHIGA, Kazuyoshi

IPC分类号： A63B37/00 ,  C09D175/08 ,  C08G18/32 ,  C08G18/48 ,  C08G18/66 ,  C08G18/08 ,  C08G18/24 ,  C08G18/75 ,  C08G18/12 ,  C08G18/73 ,  C08G18/78 ,  C08G18/79 ,  C08G18/80

摘要： An object of the present invention is to provide a novel golf ball having excellent spin performance on approach shots. The present invention provides a golf ball comprising a golf ball body and a paint film composed of at least one layer and formed on a surface of the golf ball body, wherein a base resin constituting an outermost layer of the paint film is a polyurethane obtained by a reaction between (A) a polyol composition and (B) a polyisocyanate composition, and a loss modulus (E") at the temperature of -50 °C obtained by measuring a dynamic viscoelasticity of the polyurethane is 1.00×10 8 Pa or more.