Method for production of a polyethylene laminated metal sheet

Details Method for production of a polyethylene laminated metal sheet Method for production of a polyethylene laminated metal sheet

1992-06-15

1993-08-10

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624417, 15624424, 1562722, 1563088, 1563093, 156 82, 72 46, B32B 3128

Patent

active

052345165

ABSTRACT:
A polyethylene film is heat bonded to a metal sheet provided with a layer of hydrated chromium oxide, and possibly a layer of metallic chromium under the oxide layer. The laminated metal sheet is then rapidly quenched, and the polyethylene laminate is irradiated with an electron beam, gamma rays, or X-rays. Alternatively, the polyethylene film may be irradiated prior to lamination. The laminated metal sheet exhibits excellent resistance to steam and hot water and does not delaminate during forming operations such as can-making.

REFERENCES:
patent: 3697513 (1972-07-01), Addinall et al.
patent: 4452374 (1984-06-01), Hitchcock et al.
patent: 4945008 (1990-07-01), Heyes et al.
patent: 4957820 (1990-09-01), Heyes et al.

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