Multi-layer polymeric structure

Details Multi-layer polymeric structure Multi-layer polymeric structure

1987-01-16

1988-06-28

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428516, 428518, 428412, 428483, B32B 516, B32B 2700, B32B 2708

Patent

active

047538457

ABSTRACT:
A multi-layer polymeric structure useful for packages comprises at least one protective layer of hydrophobic resin and at least one layer of water-sensitive oxygen barrier resin. This multi-layer polymeric structure is characterized by incorporating in the oxygen barrier layer at least one macromolecular compound selected from the group consisting of high polymers of a three-dimensional network structure containing hydrophilic groups and water-soluble macromolecular compounds containing ionizing groups.
Optionally, the oxygen barrier layer and the protective layer may be joined through the medium of an additional layer of adhesive resin in a laminated form.

REFERENCES:
patent: 4425410 (1984-01-01), Farrell et al.
patent: 4464443 (1984-08-01), Farrell et al.
patent: 4565738 (1986-01-01), Purdy
patent: 4621014 (1986-11-01), Lu

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