Film for packaging having oxygen barrier characteristics

Details Film for packaging having oxygen barrier characteristics Film for packaging having oxygen barrier characteristics

1993-09-20

1994-12-06

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of silicon containing

428451, 428516, 428520, 428522, B32B 2732

Patent

active

053709373

ABSTRACT:
The present invention relates to the composition, preparation, and use of multi-layer composite films comprising a core layer of low gas permeable material, two intermediate layers sandwiching the core layer, and two outer layers sandwiching the two intermediate layers. The core layer provides the excellent oxygen barrier property, whereas the intermediate and outer layers protect the core layer so the oxygen permeability of the resulting multi-layer composite film becomes independent on relative humidity.

REFERENCES:
patent: 4254169 (1981-03-01), Schroeder
patent: 5009924 (1991-04-01), Wyman
patent: 5096738 (1992-03-01), Wyman

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