Loated metal strips

A process for producing laminated metal strip which comprises the steps of chemically treating the strip to form on at least one of its surfaces a non-metallic coating, and applying to that coated surface a coating of a thermoplastic resin to form a layer thereon. The first coating is preferably cor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	M.R. MALLACE, I.S. REES, B.J. BASTABLE
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for producing laminated metal strip which comprises the steps of chemically treating the strip to form on at least one of its surfaces a non-metallic coating, and applying to that coated surface a coating of a thermoplastic resin to form a layer thereon. The first coating is preferably corrosion resistant and promotes adhesion with the thermoplastic resin. Preferably the non-metallic coating layer is a phosphate, chromate, oxalate, arsenate, a 2 component polymer, a combination of chromium, silicon and an organic active species, or silanes or azoles. Preferably the thermoplastic resin is polypropylene, polyethyleneterephthalate or a mixture thereof.