Printable high barrier multilayer film

Details Printable high barrier multilayer film Printable high barrier multilayer film

1991-12-20

1994-07-19

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428463, 428520, 428910, 428522, 428 358, 428 367, B32B 712

Patent

active

053308310

ABSTRACT:
A film combination includes (a) an oriented polymeric substrate which in its unmodified state is susceptible of transmitting oxygen and water vapor; (b) a primer coating on the substrate; (c) a layer of cross-linked polyvinyl alcohol on the primer layer; and (d) on the cross-linked layer a layer of a blend of (1) a polyvinyl alcohol homo or copolymer and (2) an ethylene-acrylic acid copolymer.

REFERENCES:
patent: 3719629 (1973-03-01), Martin et al.
patent: 4564559 (1986-01-01), Wagner, Jr. et al.
patent: 4927689 (1990-05-01), Markiewicz
patent: 5102699 (1992-04-01), Beeson

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