发明名称 |
Polyvinylidene fluoride porous membrane and a method for producing the same |
摘要 |
A porous membrane comprising a polyvinylidene fluoride resin and having a uniform, three-dimensional, network pore structure. The membrane has excellent chemical resistance, excellent filtering characteristics and excellent mechanical properties. The porous membrane can be produced by blending a polyvinylidene fluoride resin, an organic liquid and a powdery hydrophobic silica, subjecting the resultant blend to melt-molding to form a membrane, and extracting the organic liquid and the hydrophobic silica from the melt-molded membrane.
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申请公布号 |
US5022990(A) |
申请公布日期 |
1991.06.11 |
申请号 |
US19900463058 |
申请日期 |
1990.01.10 |
申请人 |
ASAHI KASEI KOGYO KABUSHIKI KAISHA |
发明人 |
DOI, YOSHINAO;MATSUMURA, HARUO |
分类号 |
B01D67/00;B01D71/34;C08J9/26 |
主分类号 |
B01D67/00 |
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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