发明名称 |
LÄNGSGERECKTE IM VAKUUM BEDAMPFTE VERPACKUNGSFOLIEN |
摘要 |
<p>A longitudinally stretched multilayered film having good barrier properties is described. The film is prepared by a process comprising (a) preparing by coextrusion a laminate structured of, in sequence, a first polyamide layer, an EVOH layer, and a second polyamide layer, and (b) longitudinally stretching the laminate and (c) applying by vacuum vapor deposition to one of the surfaces of the stretched laminate an inorganic layer.</p> |
申请公布号 |
AT279320(T) |
申请公布日期 |
2004.10.15 |
申请号 |
AT20010101159T |
申请日期 |
2001.01.23 |
申请人 |
WIPAK WALSRODE GMBH & CO. KG |
发明人 |
CASSEL, ANTOINE;BRANDT, RAINER, DR.;KASCHEL, GREGOR, DR. |
分类号 |
B32B15/088;B32B9/00;B32B27/34;C23C14/08;C23C14/14;C23C14/20;C23C14/24;(IPC1-7):B32B27/08;B32B15/08 |
主分类号 |
B32B15/088 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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