| abstract |
Disclosed herein is a smokable food-packaging film comprising: n at least one layer of a mixture of 50 to 80 wt % polyamide having a melting point of 120° to 210° C. and a recrystallization temperature of not lower than 50° C. and 20 to 50 wt % α-olefin - vinyl alcohol copolymer, said film having properties of an initial stress of not higher than 0.6 Kg/mm 2 at a 25% elongation, a transmission to 50% concentration of methanol of not less than 200 g/m 2 .day.atm at a temperature of 60° C. and a relative humidity of 0%, and an oxygen gas-transmission of not more than 50 cc/m 2 .day.atm at a temperature of 30° C. and a relative humidity of 60%, and the thickness of said film being 20 to 60 μm. |