Foil coating process

Details Foil coating process Foil coating process

1974-08-12

1976-05-04

Husack, Ralph

Coating processes

With winding, balling, rolling, or coiling

Metal or glass base

156184, 156280, 427209, 427211, 427327, 427388, 427409, B32B 1520, B32B 2732, B05D 300

Patent

active

039550168

ABSTRACT:
In a double-pass lamination and coating process, aluminum foil is laminated on one side with paper and then rolled for temporary storage before being coated on the other side with polyethylene. Contaminants from the paper impair the ability of aqueous solutions of chromium complex adhesion promoters to bond the polyethylene to the foil. A wash coat of polyvinyl alcohol before rolling eliminates this impairment.

REFERENCES:
patent: 3479197 (1969-11-01), Mork
patent: 3488252 (1970-01-01), Lamar
patent: 3696498 (1972-10-01), Leontaritis et al.
patent: 3787326 (1974-01-01), Deyrup

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