| 发明名称 |
FILM MIT NIEDRIGER KOHLENWASSERSTOFF- DURCHLÄSSIGKEIT |
| 摘要 |
<p>A film having weak permeability to hydrocarbons comprises a layer(s) (i) of a mixture of polyamide/polyolefin in a polyamide matrix and a layer(s) of polyolefin. Also claimed are: (i) a sandwich structure comprising the film; (ii) a process for the production of a product formed by compounding moulding the film; and (iii) a sachet of expandable polystyrene granules comprising the film.</p> |
| 申请公布号 |
AT192063(T) |
申请公布日期 |
2000.05.15 |
| 申请号 |
AT19970400127T |
申请日期 |
1997.01.21 |
| 申请人 |
ELF ATOCHEM S.A. |
发明人 |
VANDEKERCKHOVE, FRANCK;BOUILLOUX, ALAIN;JACQUEMET, REGIS;ECHALIER, BRUNO |
| 分类号 |
B32B27/00;B29C33/68;B29C43/20;B29C43/34;B29C70/50;B29K105/06;B32B27/08;B32B27/30;B32B27/32;B32B27/34;C08L23/00;C08L77/00;C08L77/06;(IPC1-7):B29C33/68 |
主分类号 |
B32B27/00 |
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