Barrier blends based on amorphous polyamide and ethylene/vinyl a

Details Barrier blends based on amorphous polyamide and ethylene/vinyl a Barrier blends based on amorphous polyamide and ethylene/vinyl a

1992-01-29

1993-03-16

Thibodeau, Paul J.

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428 366, 428 367, 4284744, 4284747, 4284763, 4284769, B32B 108

Patent

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051943069

ABSTRACT:
A blend consisting essentially of a major portion of an amorphous polyamide and a minor portion of an ethylene vinyl alcohol copolymer exhibits gas barrier properties which are less dependent on humidity than are those of either of the component polymers. Films and laminated structures which incorporate the material of these blends are suitable for use as packaging materials.

REFERENCES:
patent: 4420516 (1983-12-01), Ermert et al.
patent: 4468427 (1984-08-01), Degrassi et al.
patent: 4551366 (1985-11-01), Maruhashi
patent: 5064716 (1991-11-01), Chou et al.
patent: 5068077 (1991-11-01), Negi et al.

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