| 发明名称 |
THERMOPLASTIC MULTI-LAYER PACKAGING FILM AND BAGS MADE THEREFROM HAVING TWO LAYERS OF VERY LOW DENSITY POLYETHYLENE |
| 摘要 |
<p>A heat-shrinkable, oriented film having two layers of different very low density polyethylenes is disclosed. The melt index of the polyethylenes differs by about 1 or more decigrams/minute. The films have good shrink and good puncture resistance.</p> |
| 申请公布号 |
CA2022977(C) |
申请公布日期 |
2001.01.02 |
| 申请号 |
CA19902022977 |
申请日期 |
1990.08.09 |
| 申请人 |
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发明人 |
FERGUSON, DANIEL J. |
| 分类号 |
B32B27/32;B65D75/00;(IPC1-7):B29C47/06;C08F210/08;B29C55/04 |
主分类号 |
B32B27/32 |
| 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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