複層塗膜形成方法

Japanese Patent JP7146870

B2

The present invention provides a multilayer coating film-forming method that is capable of forming a multilayer coating film with excellent finished appearance and excellent luster. The aqueous base paint (X) is applied by using a rotary-atomization bell-shaped coater under coating conditions of a shaping air pressure of 0.15 to 0.25 MPa and a paint discharge amount of 100 to 300 cm3/min. The viscosity 60 seconds after the application of the aqueous base paint (X), measured at a temperature of 23° C. and a shear rate of 0.1 sec-1, is 90 to 160 Pa·s, the solids content 60 seconds after the application is 20 to 40 mass %, and the film thickness 60 seconds after the application is 17 to 35 μm. The effect pigment dispersion (Y) contains a flake-aluminum pigment (A) with an average thickness of 1 nm or more and less than 70 nm, a flake-aluminum pigment (B) with an average thickness of 70 nm to 250 nm, a hydroxy-containing acrylic resin (C), a rheology control agent (D), a surface-adjusting agent (E), and water, the effect pigment dispersion (Y) having a solids content of 2 to 9 mass %. The effect coating film after curing has a film thickness of 0.5 to 2.0 μm.

WO/2012/074617	WATER-BASED COATING SYSTEM WITH IMPROVED MOISTURE AND HEAT RESISTANCE
WO/1982/002681	INLAID VINYL FLOORING AND METHOD FOR ITS MANUFACTURE

Masayuki Ito
Suzuki Nobuyoshi
Takuya Nakabayashi
Masahiro Omura
Takao Tsukimori

JP2020173030A

October 04, 2022

October 14, 2020

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KANSAI PAINT CO.,LTD.
TOYOTA JIDOSHA KABUSHIKI KAISHA

B05D1/36; B05D1/04; B05D1/38; B05D3/00; B05D3/02; B05D5/06; B05D7/24

JP10298458A
JP11114489A
JP2002113410A
JP2021529656A
JP2006218426A

WO2019088201A1
WO2020044672A1
US20150093512

Saegusa International Patent Office

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