Method of applying a varnish layer to a printed surface and prod

Details Method of applying a varnish layer to a printed surface and prod Method of applying a varnish layer to a printed surface and prod

1978-01-20

1979-10-09

Lawrence, Evan K.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

101416B, 260 8, 427258, B32B 310

Patent

active

041706811

ABSTRACT:
A method of applying a protective varnish layer on a hydrophilic surface carrying at least one area of hydrophobic ink, and the resultant product. The method comprises: applying to at least the inked portions of the surface a layer of an aqueous dispersion containing 5% to about 60% by weight of a film forming polymer or copolymer and 0.5% to about 10% of an auxiliary film forming material capable of raising the critical surface tension of the hydrophobic inked area; and allowing the applied layer to dry.

REFERENCES:
patent: 2696168 (1954-12-01), Costello
patent: 3506467 (1970-04-01), Ulrich
patent: 4042748 (1977-08-01), Hebbel et al.

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