发明名称 |
Verpackungsschichtstoff mit Gas- und Aromabarriereeigenschaften |
摘要 |
<p>A layered material such as a packaging laminate for a packaging container possessing superior oxygen gas and aroma barrier properties is disclosed. The packaging laminate comprises a first laminate unit (10a) and a second laminate unit (10b) which are bonded together by the intermediary of an interjacent layer of an adhesive (11). The first laminate unit has a rigid, but foldable core layer (12) and outer, surrounding layers (13,14) of thermoplastic, and the second laminate unit has a flexible substrate or carrier layer (15) of thermoplastic which, on its surface, carries a layer (16) acting as an oxygen gas and aroma barrier and consisting of a silicon oxide deposited by chemical plasma deposition and having the general chemical formula SiOx, in which x may vary within the range of between 1.5 and 2.2. A flexible laminate having a SiOx barrier layer is also disclosed. <IMAGE></p> |
申请公布号 |
DE69434157(T2) |
申请公布日期 |
2005.11.10 |
申请号 |
DE1994634157T |
申请日期 |
1994.06.01 |
申请人 |
TETRA PAK (SUISSE) S.A., ROMONT |
发明人 |
ROULIN, ANNE;JACCOUD, BERTRAND M. |
分类号 |
B65D5/40;B32B7/02;B32B9/00;B32B27/00;B32B27/08;B65D65/40;B65D75/00;(IPC1-7):B32B27/08 |
主分类号 |
B65D5/40 |
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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