High barrier implosion resistant films

Details High barrier implosion resistant films High barrier implosion resistant films

1989-09-29

1991-12-24

Buffalow, Edith L.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 352, 428 343, 428518, 428520, B29D 2200

Patent

active

050751433

ABSTRACT:
A multi-layer film useful in vacuum skin packaging and other vacuum packaging applications, and having a combination of good implosion resistance, formability and high oxygen barrier characteristics, includes a core layer having an oxygen barrier material, intermediate layers of EVA or other ethylene homopolymer or copolymers, polymeric adhesive layers which bond the intermediate layers to respective surfaces of the core layer, a first outer heat-sealable layer, a second outer heat resistant layer, and two moisture resistant layers disposed between respective outer and intermediate layers.

REFERENCES:
patent: 4424243 (1984-01-01), Nishimoto et al.
patent: 4886690 (1989-12-01), Davis et al.
patent: 4909726 (1990-03-01), Bekele
patent: 4927691 (1990-05-01), Bekele

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