| 发明名称 |
METHOD OF MAKING POLYMERIC MULTILAYER FILMS |
| 摘要 |
Method of making a polymeric multilayer films (115) having an array of openings by coextrusion. Embodiments of polymeric multilayer films made as described herein are useful, for example, filtration and acoustic absorption. |
| 申请公布号 |
WO2015088773(A1) |
申请公布日期 |
2015.06.18 |
| 申请号 |
WO2014US67294 |
申请日期 |
2014.11.25 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SLAMA, DAVID F.;ANTILA, GARTH V.;HANSEN, BRENT R. |
| 分类号 |
B26F1/31;B29C47/06;B32B37/15;B32B38/04;B32B38/06 |
主分类号 |
B26F1/31 |
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