Drying agent in multi-layer polymeric structure

Details Drying agent in multi-layer polymeric structure Drying agent in multi-layer polymeric structure

1983-10-03

1984-08-07

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of inorganic material

252194, 206204, 2065245, 426127, 428 35, 428518, 428516, 428689, 428702, B32B 900

Patent

active

044644434

ABSTRACT:
In a multi-layer polymeric structure having an interior oxygen barrier layer of a moisture sensitive polymeric material such as ethylene-vinyl alcohol, drying agents are incorporated in the structure, particularly in a layer or layers proximate to the barrier layer, to limit the moisture content of the barrier layer to maintain barrier properties.

REFERENCES:
patent: 2772172 (1956-11-01), Carson
patent: 3524795 (1970-08-01), Peterson et al.
patent: 3560325 (1971-02-01), Sogi et al.
patent: 3882259 (1975-05-01), Nohara et al.
patent: 3908070 (1975-09-01), Marzolf
patent: 4041209 (1977-08-01), Scholle
patent: 4064296 (1977-12-01), Bornstein et al.
patent: 4239826 (1980-12-01), Knott et al.

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