POWDER TONING METHOD, COMPOSITE POWDER COATING MATERIAL COMPOSITION AND POWDER COATING METHOD

PROBLEM TO BE SOLVED: To provide a powder toning method with simple toning operation, and a composite powder coating material composition having no recognizable hue spot in a coating film to be obtained and its powder coating method. SOLUTION: The powder toning method comprises dry mixing two or mor...

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Bibliographische Detailangaben
Hauptverfasser:	OSADA KOICHI, SUZUKI MAKOTO, HAMURO KAZUHIRO, UENO TASABURO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a powder toning method with simple toning operation, and a composite powder coating material composition having no recognizable hue spot in a coating film to be obtained and its powder coating method. SOLUTION: The powder toning method comprises dry mixing two or more powder coating materials having different hues and/or tones from each other to effect color matching, and (1) each of the two or more powder coating materials having a 90% particle diameter of greater than 30 μm to 70 μm and (2) any of the ΔL values of two coating films arbitrarily selected from the coating films which have individually been formed with the use of each of the two or more powder coating materials being =10. In the method, it is preferred that the volume average particle diameter of each of the two or more powder coating materials is not greater than 18-30 μm.