| 发明名称 |
METHOD OF PRODUCING A POROUS PLASTIC FILM, AND PLASTIC FILM |
| 摘要 |
<p>A method of producing a porous plastic film, and a porous plastic film. The plastic film is prepared from a raw material blend comprising a polymer-containing basic material and an additive. Pores are generated in the film by stretching a film preform. The additive comprises a POS(S) chemical.</p> |
| 申请公布号 |
EP1680461(A1) |
申请公布日期 |
2006.07.19 |
| 申请号 |
EP20040798261 |
申请日期 |
2004.11.04 |
| 申请人 |
VALTION TEKNILLINEN TUTKIMUSKESKUS |
发明人 |
KARTTUNEN, MIKKO;KORTET, SATU;PAAJANEN, MIKA |
| 分类号 |
B29C55/00;C08J5/18;C08L83/04;(IPC1-7):C08J5/18 |
主分类号 |
B29C55/00 |
| 代理机构 |
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