Multilayer lacquering of polar film substrates by a single appli

Stock material or miscellaneous articles – Composite – Of wax or waxy material

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428485, 428486, B32B 904

Patent

active

054879507

ABSTRACT:
The invention relates to the lacquering of polar film substrates with a coating system consisting of several components, the single application of material resulting in a multilayer structure of the lacquer coat. The coating system is preferably aqueous and free from organohalogen and results in an improved barrier action of the films against water vapor.

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patent: 4267094 (1981-05-01), Huhn et al.
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patent: 4321175 (1982-03-01), Schmidt et al.
patent: 4410011 (1983-10-01), Andra et al.
patent: 5188867 (1993-02-01), Chu et al.

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