Polyester compositions for gas and moisture barrier materials

Details Polyester compositions for gas and moisture barrier materials Polyester compositions for gas and moisture barrier materials

1979-05-11

1981-08-18

Phynes, Lucille M.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428481, 428290, 525 56, 525 58, B65D 0000, B32B 2706

Patent

active

042846714

ABSTRACT:
Polymer blends of a polyester and polyvinyl alcohol, or their copolymers, may be fabricated into barrier packaging materials having very low permeabilities to oxygen, other fixed gases and moisture.

REFERENCES:
patent: 3585177 (1971-06-01), Gardner et al.
patent: 4003963 (1977-01-01), Creasy et al.
patent: 4082854 (1978-04-01), Yamada et al.

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