发明名称 |
Smokable synthetic food-packaging film. |
摘要 |
<p>Disclosed herein is a smokable food-packaging film comprising at least one layer of a mixture of 45 to 90 wt% polyamide, 10 to 55 wt% copolymer of alpha -olefin and vinyl alcohol, and 5 to 30 wt% polyolefin, in which the mixture falls in the pantagonal range defined in Figure 1 by linear lines connecting the points A, B, C, D and E, respectively, said layer having the properties of a permeability 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-permeability of not more than 50 cc/m<2>.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 m<2>.day at a temperature of 40 DEG C and a relative humidity of 90 %.</p> |
申请公布号 |
EP0217069(A1) |
申请公布日期 |
1987.04.08 |
申请号 |
EP19860110827 |
申请日期 |
1986.08.05 |
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):A22C13/00 |
主分类号 |
B32B27/28 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|