Solvent blockers and multilayer barrier coatings for thin films

Details Solvent blockers and multilayer barrier coatings for thin films Solvent blockers and multilayer barrier coatings for thin films

1992-02-05

1992-09-29

Cannon, James C.

Stock material or miscellaneous articles

Composite

Of polyamide

426127, 428 367, 4284761, 428483, 428509, 428510, 428511, 428513, 428514, 428515, 428516, 428518, 428520, B32B 2708, B65D 8572

Patent

active

051513315

ABSTRACT:
A film comprising alternating layers of polyvinylidene chloride resin and a solvent barrier such as polyvinyl alcohol provides superior barrier properties. Barrier and mechanical properties are enhanced when formulation additives are present at customary levels only in the outermost layers.

REFERENCES:
patent: 5102699 (1992-04-01), Beeson

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