Title:
GOLF BALL AND RESIN COMPOSITION FOR COVER OR TOPCOAT THEREOF
Document Type and Number:
Japanese Patent JP2022098898
Kind Code:
A
Abstract:
To provide a golf ball and a resin composition for a cover or a topcoat thereof which can suppress the yellowing of the golf ball caused by ultraviolet rays even if a naturally derived substance is used as an ultraviolet absorber and are environmentally and human friendly.SOLUTION: A resin composition for a cover or a topcoat of a golf ball of the present invention contains: a resin for a cover or a topcoat; and a plant-derived extract which absorbs ultraviolet rays. The resin composition has a color difference ΔE of 10.0 or less in a Lab color system after a color tone change test in which a film formed of the resin composition is irradiated with a xenon lamp. In the golf ball of the present invention, the cover or the topcoat is formed by using the resin composition.SELECTED DRAWING: None
Inventors:
SHINOHARA HIROTAKA
Application Number:
JP2020212550A
Publication Date:
July 04, 2022
Filing Date:
December 22, 2020
Export Citation:
Assignee:
BRIDGESTONE SPORTS CO LTD
International Classes:
A63B37/00
Attorney, Agent or Firm:
Okuyama Shoichi
Tetsuo Matsushima
Nakamura Ayako
Soji Morimoto
Yu Tanaka
Koichi Tokumoto
Kohei Arihara
Tetsuo Matsushima
Nakamura Ayako
Soji Morimoto
Yu Tanaka
Koichi Tokumoto
Kohei Arihara