Multilayered high barrier packaging materials method for the pre

Details Multilayered high barrier packaging materials method for the pre Multilayered high barrier packaging materials method for the pre

1988-10-17

1992-05-19

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428483, 428515, 428412, 4284761, 4284769, 428517, 428518, 428520, 428523, 4284763, 525 71, 525 73, 525 74, 525 78, B32B 2708, B32B 2706

Patent

active

051147955

ABSTRACT:
Multilayered high barrier film products providing gas and moisture barrier properties. The film products comprise at least a first polymer film having low permeability to moisture and a polymer blend film containing a gas barrier polymer and a second polymer functionalized for compatibility with the gas barrier polymer and so as to allow the polymer blend film to adhere to the first polymer film. A method for the preparation of multilayered high barrier film products includes the steps of forming a gas barrier polymer film from a polymer blend containing a gas barrier polymer and a second polymer and, bonding a moisture barrier polymer film to at least one side of the gas barrier film.

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