Multilayer film for packaging items under controlled atmosphere

Details Multilayer film for packaging items under controlled atmosphere Multilayer film for packaging items under controlled atmosphere

1989-12-08

1990-07-03

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428522, 428 367, B32B 2708

Patent

active

049390406

ABSTRACT:
A packaging film is disclosed having both gas barrier and stretchability properties comprising at least one barrier layer made of polymers or copolymers with low gas permeability modified by the inclusion therein of 1 to 20% by weight of a stiffness modifying agent selected from plasticizers and elastomers, and at least one stretchable layer of olefin polymers or copolymers.

REFERENCES:
patent: 4161562 (1979-07-01), Yoshikawa et al.
patent: 4247584 (1981-01-01), Widiger et al.
patent: 4348437 (1982-09-01), Lustig et al.
patent: 4687711 (1987-08-01), Vietto et al.
patent: 4690865 (1987-09-01), Fong

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