发明名称 |
MULTILAYER PACKAGING FILMS |
摘要 |
A biaxially oriented multilayer film structure comprising: (A) a core layer of polypropylene having dispersed therein microspheres sufficient in size and quantity so that, during orientation, the core layer becomes opaque, which either includes a minor proportion of a maleic anhydride modified polypropylene blended therein and/or has a skin Layer (B) of maleic anhydride modified polypropylene on one side; (C) a layer of ethylene vinyl alcohol (EVOH) copolymer on the maleic anhydride modified polypropylene containing layer, and (D) on the other side of the core layer a heat sealable or printable skin layer; said structure comprising polypropylene of greater orientation in the transverse direction.
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申请公布号 |
CA2160152(C) |
申请公布日期 |
2004.07.13 |
申请号 |
CA19942160152 |
申请日期 |
1994.04.20 |
申请人 |
MOBIL OIL CORPORATION |
发明人 |
BALLONI, RICCARDO;TSAI, MINGLIANG LAWRENCE |
分类号 |
B32B3/00;B32B7/12;B32B15/085;B32B27/20;B32B27/28;B32B27/32;B65D65/40;(IPC1-7):B32B27/32 |
主分类号 |
B32B3/00 |
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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