Title:
複層塗膜形成方法
Document Type and Number:
Japanese Patent JP7057863
Kind Code:
B2
Abstract:
The present invention aims to provide a method for forming a multilayer coating film having good coating film smoothness. A method for forming a multilayer coating film, comprising a first aqueous coating composition application step of applying a first aqueous coating composition (A) to form an uncured first aqueous coating film; a second aqueous coating composition application step of applying a second aqueous coating composition (B) onto the uncured first aqueous coating film to form an uncured second aqueous coating film; a clear coating step of applying a clear coating composition (C) onto the uncured second aqueous coating film to form an uncured clear coating film; and a curing step of heat-curing at once these coating films to form a multilayer coating film, wherein the first aqueous coating composition (A) contains a water-dispersible polyurethane resin (a1) and a viscosity modifier (a2), and the second aqueous coating composition (B) contains water and an organic solvent as diluent components besides solid matters in a state of dilution to a coating viscosity.
Inventors:
Akiko Senda
Kenta Takemura
Satoshi Ishida
Kenta Takemura
Satoshi Ishida
Application Number:
JP2021522232A
Publication Date:
April 20, 2022
Filing Date:
May 18, 2020
Export Citation:
Assignee:
Nippon Paint Automotive Coatings Co., Ltd.
International Classes:
B05D1/36; B05D3/00; B05D7/24; C09D5/00; C09D5/02; C09D7/43; C09D133/00; C09D161/28; C09D175/04
Domestic Patent References:
| JP2013535311A | ||||
| JP2013000711A | ||||
| JP2014148642A | ||||
| JP2017170305A | ||||
| JP2018075552A | ||||
| JP2018183722A | ||||
| JP2013221041A | ||||
| JP2008543532A | ||||
| JP2003093965A |
Attorney, Agent or Firm:
Yamato Kento
Tamaki Yoshida
Muneo Yamamoto
Tamaki Yoshida
Muneo Yamamoto