METHOD FOR FORMING DOUBLE-LAYERED COATING FILM

PROBLEM TO BE SOLVED: To provide a method capable of optimally forming a double-layered coating film excellent in both corrosion resistance and weatherability on a coated material.SOLUTION: A method for forming a double-layered coating film includes: a primer coating film formation process of coatin...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUDEN KOICHI, SASAKI MAMI, KURATA TETSUO, IGARASHI DAIKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method capable of optimally forming a double-layered coating film excellent in both corrosion resistance and weatherability on a coated material.SOLUTION: A method for forming a double-layered coating film includes: a primer coating film formation process of coating a primer coating composition on a material to be coated to form an undried primer coating film; a top coating film formation process of coating a top coating composition on the obtained undried primer coating film in a wet-on-wet manner to form an undried top coating film; and a drying process of drying at the same time, the obtained undried primer and top coating films to form the double-layered coating film. In the method, a difference between the surface tensions and lamellar lengths of the primer and top coating films are restricted.