METHOD OF APPLYING COATINGS WITH A METALLIC OR CERAMIC FINISH

The invention provides a coating with a metallic or ceramic finish which is applied to all or part of the surface of a thermoplastic, metallic or metal alloy article, comprising: (a) preparing the thermoplastic, metallic or metal alloy article; (b) applying on said article a polymeric layer based on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RIERA GINER, MONTSE, BENELMEKKI ERRETBY, MARIA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention provides a coating with a metallic or ceramic finish which is applied to all or part of the surface of a thermoplastic, metallic or metal alloy article, comprising: (a) preparing the thermoplastic, metallic or metal alloy article; (b) applying on said article a polymeric layer based on aqueous dispersions of resins that are free of volatile organic components or dispersions in organic solvents of resins that are free of urethane; (c) curing said polymeric layer; and (d) depositing a single layer of a metallic or ceramic material on the article coated with the cured polymeric layer; the curing of said polymeric layer of step (c) being performed at a temperature between 30 and 80 °C in the case of thermal polymeric layers, or by ultraviolet radiation in the case of photosensitive polymeric layers. This coating confers the articles a metallic or ceramic appearance, as desired, as well as resistance to chemical corrosion and external stresses owing to climate changes and mechanical friction caused by daily use.