Smokable synthetic food-packaging film

Details Smokable synthetic food-packaging film Smokable synthetic food-packaging film

1986-08-04

1988-08-16

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

4284744, 428475S, 4284758, 4284761, 426105, 426135, 1381181, 525 57, 525 59, B65D 8134, B32B 2708, C08L 2904

Patent

active

047644060

ABSTRACT:
Disclosed herein is a smokable food-packaging film comprising at least one layer of a mixture of 45 to 85 wt % polyamide, 10 to 45 wt % copolymer of olefin and vinyl alcohol, and 5 to 30 wt % polyolefin, in which the mixture falls in the pantagonal range defined in FIG. 1 by linear lines connecting the points A, B, C, D and E, respectively, said layer having the properties of a permability to 50% concentration of methanol of not less than 200 g/m.sup.2.day.atm at a temperature of 60.degree. C. and a relative humidity of 0% and an oxygen gas-permeability of not more than 50 cc/m.sup.2.day.atm at a temperature of 30.degree. C. and a relative humidity of 60% and a water vapor-transmission rate of not more than 70 g/m.sup.2.day at a temperature of 40.degree. C. and a relative humidity of 90%.

REFERENCES:
patent: 4243074 (1981-01-01), Strotzel et al.
patent: 4287217 (1981-09-01), Hammer et al.
patent: 4303711 (1981-12-01), Erk et al.
patent: 4347332 (1982-08-01), Odorzynski et al.
patent: 4427825 (1984-01-01), Degrassi et al.
patent: 4468427 (1984-08-01), Degrassi et al.
patent: 4500677 (1985-02-01), Maruhashi et al.
patent: 4601424 (1986-07-01), Erk et al.
patent: 4659599 (1987-04-01), Strutzel

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