发明名称 |
Thermoplastic multi-layer barrier packaging film and bags made therefrom |
摘要 |
Disclosed is a multi-layer heat-shrinkable (oriented) film having a barrier layer of polyvinylidene chloride copolymer and having an outer layer of polyamide. The polyamide layer is directly adhered to the barrier layer. Also disclosed is a method to make the film and barrier bags made therefrom.
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申请公布号 |
US4755402(A) |
申请公布日期 |
1988.07.05 |
申请号 |
US19870021113 |
申请日期 |
1987.03.03 |
申请人 |
W. R. GRACE & CO., CRYOVAC DIV. |
发明人 |
OBERLE, TIMOTHY T. |
分类号 |
B65D30/02;B29C61/06;B32B7/02;B32B27/30;B32B27/34;(IPC1-7):B65D65/02 |
主分类号 |
B65D30/02 |
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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