发明名称 Smokable synthetic food-packaging film
摘要 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/m2.day.atm at a temperature of 60 DEG C. and a relative humidity of 0% and an oxygen gas-permeability of not more than 50 cc/m2.day.atm at a temperature of 30 DEG C. and a relative humidity of 60% and a water vapor-transmission rate of not more than 70 g/m2.day at a temperature of 40 DEG C. and a relative humidity of 90%.
申请公布号 US4764406(A) 申请公布日期 1988.08.16
申请号 US19860892916 申请日期 1986.08.04
申请人 KUREHA KAGAKU KOGYO KABUSHIKI KAISHA 发明人 HISAZUMI, NOBUYUKI;FUNABASHI, SHINICHIRO;TOMIOKA, YOSHIHIKO
分类号 B32B27/28;A22C13/00;A23L3/00;B32B27/34;B65D65/02;C08J5/18;C08L1/00;C08L7/00;C08L21/00;C08L23/00;C08L23/02;C08L23/08;C08L23/26;C08L27/00;C08L29/04;C08L33/00;C08L33/02;C08L51/00;C08L51/02;C08L67/00;C08L77/00;C08L77/02;C08L101/00;(IPC1-7):B65D81/34;B32B27/08 主分类号 B32B27/28
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