Patent Number: 6,309,706

Title: Coating material for golf ball and golf ball coated with the same

Abstract: The present invention provides a coating material for a golf ball. The coating material comprises a polyol(1) containing a urethane polyol and a polyisocyanate. The urethane polyol is produced by the reaction between a diisocyanate and a polyol(2) containing as an essential ingredient a diol and a triol at the triol/diol equivalent ratio of 0.2 to 3. The urethane polyol has Mw of 4000 to less than 10000. The coating material is dryable in a short time at low temperatures and forms a coating layer having excellent resistance to scuffing and adhesion to a golf ball main body.

Inventors: Maruoka; Kiyoto (Kobe, JP), Nakahara; Akihiro (Ibaraki, JP)

Assignee: Sumitomo Rubber Industries Limited

International Classification: A63B 37/12 (20060101); A63B 37/00 (20060101); C08G 18/66 (20060101); C08G 18/48 (20060101); C08G 18/00 (20060101); C09D 175/08 (20060101); B05D 003/02 ()

Expiration Date: 10/30/2018