Barrier blend and food packaging film containing the blend

Details Barrier blend and food packaging film containing the blend Barrier blend and food packaging film containing the blend

1997-08-04

1998-12-01

Warzel, Mark L.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428516, 428522, 428523, 525185, B32B 2708

Patent

active

058435816

ABSTRACT:
A copolymer blend comprising vinylidene chloride-vinyl chloride copolymer, vinylidene chloride-methyl acrylate copolymer or a mixture thereof, from 2 to 20% by weight of CO-modified ethylene vinyl acetate copolymer or CO-modified ethylene alkyl acrylate copolymer and preferably up to 5%, of a plasticizer and/or stabiliser, relative to the total weight of the blend is useful as a barrier layer in a multi-layer film for packaging food such as cheese. A multi-layer film comprising such a blend, a method of producing such a blend or multi-layer film and a package or bag formed from the film.

REFERENCES:
patent: 3780140 (1973-12-01), Hammer
patent: 4123585 (1978-10-01), Sparzak et al.
patent: 4489193 (1984-12-01), Goswami
patent: 4613533 (1986-09-01), Loomis et al.
patent: 4687805 (1987-08-01), White
patent: 4910253 (1990-03-01), Lancaster et al.
patent: 4950718 (1990-08-01), Burgert et al.
patent: 5202188 (1993-04-01), Bekele

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