SELF CLEANING ALUMINUM ALLOY SUBSTRATES

Self-cleaning aluminum alloy substrates and methods of making the same are disclosed. In one embodiment, a substrate is provided, the substrate including an aluminum alloy body, an anodic oxide zone having micropores within a surface of the aluminum alloy body, the anodic oxide zone being substantia...

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Bibliographische Detailangaben
Hauptverfasser:	BERGSTROM VERNE, ASKIN ALBERT L, VEGA LUIS F, BOMBALSKI ROBERT E, THOMPSON MARLENE A, KOLEK PAULA L, KOTOW NICKOLAS C, MARINELLI JAMES M, SKILES JEAN ANN, SERAFIN DANIEL
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 LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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:	Self-cleaning aluminum alloy substrates and methods of making the same are disclosed. In one embodiment, a substrate is provided, the substrate including an aluminum alloy body, an anodic oxide zone having micropores within a surface of the aluminum alloy body, the anodic oxide zone being substantially impermeable to contaminants, and a photocatalytic film located on at least a portion of the anodic oxide zone, wherein the photocatalytic film comprises photocatalytically active semiconductor. In one embodiment, a method is provided, the method including the steps of forming an anodic oxide zone in at least a portion of an aluminum alloy base, forming a photocatalytic film, the photocatalytic film being located on the anodic oxide zone, and sealing the anodic oxide zone with a sealant, wherein, as sealed, the anodic oxide zone is substantially impermeable to contaminants.