Title:
複層塗膜形成方法
Document Type and Number:
Japanese Patent JP6859012
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a multilayer coating film forming method excellent in adhesion with a base material and resistance to cold heat load.SOLUTION: A multilayer coating film forming method which forms two or more coating films onto a base material includes: a step of coating a primer coating composition (A) containing an acrylic resin (a1) having a hydroxyl group and an epoxy group onto a base material to form a coating film of a lowermost layer; and a step of coating a topcoat coating composition (B) containing a hydroxyl group-containing acrylic resin (b1) having a glass transition temperature (Tg) of -20°C or higher and lower than 50°C and a polyisocyanate compound (b2) onto the coating film to form a coating film of an uppermost layer.SELECTED DRAWING: None
Inventors:
Shuichi Nakahara
Application Number:
JP2017046381A
Publication Date:
April 14, 2021
Filing Date:
March 10, 2017
Export Citation:
Assignee:
KANSAI PAINT CO.,LTD.
International Classes:
B05D1/36; B05D7/24
Domestic Patent References:
| JP4328177A | ||||
| JP2000281962A | ||||
| JP2010253378A |
Foreign References:
| WO2015087932A1 |