发明名称 |
Process for the production of air-permeable films |
摘要 |
A process for producing an air-permeable film is described, comprising stretching in at least one direction a film made of a composition comprising 42 to 87 vol % of a polyolefin resin and 58 to 13 vol % of an inorganic filler and further containing an aliphatic alcohol/fatty acid ester of a fatty acid having 10 to 22 carbon atoms and an aliphatic alcohol having 1 to 12 carbon atoms in an amount of 3 to 25 parts by weight per 100 parts by weight of the above composition.
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申请公布号 |
US4704238(A) |
申请公布日期 |
1987.11.03 |
申请号 |
US19850798609 |
申请日期 |
1985.11.15 |
申请人 |
MITSUBISHI PETROCHEMICAL CO., LTD. |
发明人 |
OKUYAMA, KATSUMI;MIZUTANI, HIROYASU |
分类号 |
C08L23/00;B29C47/00;B29C55/00;B29C55/26;B29C55/28;B29D7/01;B29K23/00;B29K105/04;B29K105/16;C08J5/18;C08J9/00;C08K3/00;C08K5/10;C08K13/02;C08L23/02;C08L101/00;(IPC1-7):B29C67/20;B29C55/10;B29C55/12 |
主分类号 |
C08L23/00 |
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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