Laminated can end stock with elevated temperature annealing

Improved aluminum can end stock (CES) is disclosed. The CES includes a laminated, amorphous polymer coating exhibiting low feathering, low blushing, and high performance in an acetic acid test. The laminated metal strip (102) can include the laminated polymer coating (124) on an interior-facing side...

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Bibliographische Detailangaben
Hauptverfasser:	Spahn, Peter, Kamp, Nicolas C, Ruparelia, Dhiren Bhupatlal, Prinzhorn, Heinrich
Format:	Patent
Sprache:	eng
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	Improved aluminum can end stock (CES) is disclosed. The CES includes a laminated, amorphous polymer coating exhibiting low feathering, low blushing, and high performance in an acetic acid test. The laminated metal strip (102) can include the laminated polymer coating (124) on an interior-facing side and a lacquered coating on an exterior-facing side. Tile CES is formed by performing an annealing process on the laminated metal strip (102), wherein the metal strip is raised to an annealing temperature above the melting point of the polymer for a sufficient duration to render the polymer amorphous. In some cases, the polymer film laminated to the metal strip is a polyethylene teraphthalate (PET) film.