Method for treating and/or coating a substrate with non-chrome materials

The present invention is directed to a method for coating a substrate comprising: (a) applying a caustic cleaner to at least a portion of the substrate; (b) rinsing at least a portion of the substrate that was subjected to step (a) with water; (c) applying an acid cleaner onto at least a portion of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KARABIN RICHARD F, MILES MICHELLE S, PEFFER ROBIN M, KAYLO ALAN J, MCMILLEN MARK W, WILSON CRAIG A, RAKIEWICZ EDWARD F
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES 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 POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention is directed to a method for coating a substrate comprising: (a) applying a caustic cleaner to at least a portion of the substrate; (b) rinsing at least a portion of the substrate that was subjected to step (a) with water; (c) applying an acid cleaner onto at least a portion of the caustically cleaned substrate; (d) rinsing at least a portion of the substrate that was subjected to step (c) with water; and (e) applying a conversion coating comprising zirconium onto at least a portion of the acid cleaned substrate; and wherein at least one of the materials used in steps (c) and (e) is substantially chrome free. The present invention is also directed to a substrate such as an aluminum substrate, that has been coated using the aforementioned method.