PROCESS FOR COATING METAL SURFACES WITH POLYOLEFINS

A tough and long-lasting adhesion of polyolefins to metal substrates is realized by means of a process comprising the following four process steps, carried out in succession: a) mechanical cleaning of the metal surface; b) treatment of the metal surface with a water-alcohol solution containing at le...

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Bibliographische Detailangaben
Hauptverfasser:	TIGANI, GIUSEPPE, BOCCALON, GIANFRANCO, PELACANI, ALBERTO, BRANCACCIO, ALDO
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A tough and long-lasting adhesion of polyolefins to metal substrates is realized by means of a process comprising the following four process steps, carried out in succession: a) mechanical cleaning of the metal surface; b) treatment of the metal surface with a water-alcohol solution containing at least an alkoxysilane and boric acid; c) thermal treatment of the surface coming from the (b) step; d) treatment of the so-treated surface with a poliolefin-based composition, containing zeolites and carbon black.