High barrier film combination

Details High barrier film combination High barrier film combination

1990-12-13

1996-09-03

Nakarani, Dhirajlal

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428520, 428522, 428523, B32B 702, B32B 2730, B32B 2732

Patent

active

055522122

ABSTRACT:
A film combination has a pair of polymeric substrate films. At least one surface of each has a surface free energy of at least 35 dynes/cm and a primer coating on each. Each primer coating has a layer of poly(vinylalcohol) containing a cross-linking means. Each film of the pair is positioned with the poly(vinylalcohol) layers in intimate contacting relationship before any substantial cross-linking occurs.

REFERENCES:
patent: 3282729 (1966-11-01), Richardson et al.
patent: 3719629 (1976-03-01), Martin et al.
patent: 4232089 (1980-11-01), Bordini et al.
patent: 4240993 (1980-12-01), Sun
patent: 4254169 (1981-03-01), Schroeder
patent: 4564559 (1986-01-01), Wagner, Jr. et al.
patent: 4690865 (1987-09-01), Fong

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