METHOD FOR ETCHING AT LEAST ONE SURFACE OF A PLASTIC SUBSTRATE

The present invention relates to a method for etching at least one surface of a plastic substrate, the method comprising the steps (A) to (C), wherein step (C) is an etching step including a contacting with an etching composition. The etching composition comprises permanganate ions and phosphoric ac...

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Bibliographische Detailangaben
Hauptverfasser:	SZAMOCKI, Rafael-Eduard, FELS, Carl Christian, FINN, Franziska
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The present invention relates to a method for etching at least one surface of a plastic substrate, the method comprising the steps (A) to (C), wherein step (C) is an etching step including a contacting with an etching composition. The etching composition comprises permanganate ions and phosphoric acid, each in specifically defined concentration ranges.