公开(公告)号：US20160287943A1

公开(公告)日：2016-10-06

申请号：US15067414

申请日：2016-03-11

Applicant: Dunlop Sports Co. Ltd.

Inventor： Hidetaka INOUE ,  Toshiyuki TARAO ,  Mami TANAKA

IPC: A63B37/00

CPC classification number: A63B37/0039 ,  A63B37/0031 ,  A63B37/0037 ,  A63B37/004 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0047 ,  A63B37/0049 ,  A63B37/0075 ,  A63B37/0076 ,  C08K3/22 ,  C08K3/30 ,  C08K5/098 ,  C08K5/14 ,  C08K5/375 ,  C08L77/00 ,  C08L77/02 ,  C08L9/00 ,  C08L23/0876

Abstract: An object of the present invention is to provide a golf ball having excellent shot feeling and flight distance. The present invention provides a golf ball comprising a spherical core, a first resin layer and a second resin layer, wherein the first resin layer is formed from a first resin composition containing (A) a polyamide resin, (B) a copolymer and/or a metal ion-neutralized product thereof, and (C) a thermoplastic elastomer, and having a ratio (flexural elastic modulus/slab hardness) of a flexural elastic modulus (MPa) to a slab hardness (Shore D hardness) in a range from 3 to 5; and the second resin layer is formed from a second resin composition containing (D) a polyamide resin, and (E) a copolymer and/or a metal ion-neutralized product thereof.

Abstract translation: 本发明的目的是提供一种具有优异的拍摄感觉和飞行距离的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯，第一树脂层和第二树脂层，其中第一树脂层由含有（A）聚酰胺树脂的第一树脂组合物，（B）共聚物和/或 金属离子中和物和（C）热塑性弹性体，其弯曲弹性模量（MPa）与板坯硬度（肖氏D硬度）的比（挠曲弹性模量/板坯硬度）在3 至5; 第二树脂层由含有（D）聚酰胺树脂的第二树脂组合物和（E）共聚物和/或其金属离子中和产物形成。