Thermoplastic multi-layer barrier packaging film and bags made t

Details Thermoplastic multi-layer barrier packaging film and bags made t Thermoplastic multi-layer barrier packaging film and bags made t

1987-03-03

1988-07-05

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

2642107, 26421112, 264230, 4284744, 4284755, 428518, B65D 6502, B32B 2734

Patent

active

047554029

ABSTRACT:
Disclosed is a multi-layer heat-shrinkable (oriented) film having a barrier layer of polyvinylidene chloride copolymer and having an outer layer of polyamide. The polyamide layer is directly adhered to the barrier layer. Also disclosed is a method to make the film and barrier bags made therefrom.

REFERENCES:
patent: 4438180 (1984-03-01), Lang et al.
patent: 4461808 (1984-07-01), Mollison
patent: 4501798 (1985-02-01), Koschak et al.
patent: 4640852 (1987-02-01), Ossian
patent: 4683170 (1987-07-01), Tse et al.

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