| 发明名称 |
Process for producing porous film or sheet |
| 摘要 |
A process for producing a porous film or sheet, which comprises melt-molding a composition prepared by compounding 100 parts by weight of a polyolefin resin with 25 to 400 parts by weight of a filler and 1 to 100 parts by weight of a liquid or waxy hydrocarbon polymer into film or sheet, and stretching the resulting film or sheet.
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| 申请公布号 |
US4472328(A) |
申请公布日期 |
1984.09.18 |
| 申请号 |
US19820353990 |
申请日期 |
1982.03.02 |
| 申请人 |
MITSUBISHI CHEMICAL INDUSTRIES, LTD. |
发明人 |
SUGIMOTO, MASAAKI;WATANABE, YUKIO;BIZEN, KUNIO;HASEGAWA, TSUNEMITSU;MORITA, MASAHIRO |
| 分类号 |
B29C47/00;C08J5/18;(IPC1-7):B29H7/20 |
主分类号 |
B29C47/00 |
| 代理机构 |
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