| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide: a crystalline polymer microporous membrane having excellent water resistance, acid resistance, alkali resistance, ion adsorptivity, high hydrophilicity, a long filtering life, and a high permeation flow rate; a method for efficiently producing the crystalline polymer microporous membrane; and a filtration filter using the crystalline polymer microporous membrane. <P>SOLUTION: The crystalline polymer microporous membrane is provided wherein at least a part of the exposed surface of a film consisting of a crystalline polymer having an asymmetric pore structure is coated with polyamine formed by crosslinking with a crosslinking agent. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
