PROCESS FOR COATING ELECTROCONDUCTIVE SUBSTRATES

The present invention relates to a process for the at least two-stage coating of an electrically conductive substrate, the at least two-stage coating being carried out in a single dip-coating bath, the dip-coating bath comprising a coating material composition which comprises at least one cathodical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WAPNER Kristof, LEPA Klaus, CZIKA Franz-Adolf
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the at least two-stage coating of an electrically conductive substrate, the at least two-stage coating being carried out in a single dip-coating bath, the dip-coating bath comprising a coating material composition which comprises at least one cathodically depositable film-forming polymer and also an anodically depositable component, the anodically depositable component comprising anions of at least one phosphorus oxoacid; in a first stage, the electrically conductive substrate for coating is connected as anode in said dip-coating bath, and in a subsequent stage the now precoated substrate is connected as cathode in said dip-coating bath. The invention further relates to a substrate coated by the process of the invention.