| 发明名称 |
GOLF BALL |
| 摘要 |
An object of the present invention is to provide a golf ball showing improved durability by improving adhesion to a constituent member comprising a polyurethane in the golf ball. The present invention provides a golf ball comprising a center and n envelope layers (n is a natural number of 1 or more) covering the center, wherein at least one envelope layer is a polyurethane envelope layer comprising a polyurethane as a principal component, and the polyurethane envelope layer and a constituent member adjacent to the polyurethane envelope layer are adhered with an adhesive resin composition, and wherein the adhesive resin composition comprises a base material including a urethane polyol and an epoxy resin, and a curing agent including a polyamine compound, and a content of the urethane polyol in the base material is 5 mass % or more and less than 40 mass %. |
| 申请公布号 |
US2016096079(A1) |
申请公布日期 |
2016.04.07 |
| 申请号 |
US201514875316 |
申请日期 |
2015.10.05 |
| 申请人 |
DUNLOP SPORTS CO. LTD. |
发明人 |
MATSUYAMA Yoshiko;YOKOTA Masatoshi;OKAMOTO Hirokazu;YAGI Kazuo |
| 分类号 |
A63B37/00;C09J163/00;C09D175/04 |
主分类号 |
A63B37/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A golf ball comprising a center and n envelope layers (n is a natural number of 1 or more) covering the center,
wherein at least one envelope layer is a polyurethane envelope layer comprising a polyurethane as a principal component, and the polyurethane envelope layer and a constituent member adjacent to the polyurethane envelope layer are adhered with an adhesive resin composition, and wherein the adhesive resin composition comprises
a base material including a urethane polyol and an epoxy resin, anda curing agent including a polyamine compound, and a content of the urethane polyol in the base material is 5 mass % or more and less than 40 mass %. |
| 地址 |
Kobe-shi JP |
