Irradiated multilayer film for primal meat packaging

Details Irradiated multilayer film for primal meat packaging Irradiated multilayer film for primal meat packaging

1988-09-09

1990-01-09

Buffalow, Edith

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624427, 156229, 1562737, B32B 3100

Patent

active

048926035

ABSTRACT:
A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film has a first outer layer of an ethylene-vinyl acetate copolymer, a core layer of a barrier film comprising vinylidene chloride-methyl acrylate copolymer, and a second outer layer of an ethylene-vinyl acetate copolymer. The multilayer film is preferably made by co-extrusion of the layers, and then it is biaxially stretched. After biaxial stretching, the multilayer film is irradiated to a dosage level of between 1 megarad and 5 megarads and heat-sealed in the form of a bag. The bag has improved storage stability characteristics.

REFERENCES:
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patent: 4044187 (1977-08-01), Kremkau
patent: 4112181 (1978-09-01), Baird et al.
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patent: 4448792 (1984-05-01), Schirmer
patent: 4457960 (1984-07-01), Newsome
patent: 4737391 (1988-04-01), Lustig et al.
patent: 4865780 (1989-09-01), Lustig et al.

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