abstract |
The object of the present invention is to provide anporous membrane having a high strength and excellent waternpermeability and rejection properties. The porous membranenof the present invention has both a three-dimensionalnnetwork structure and a spherical structure. The porousnmembrane of the present invention is suitably used for waterntreatment membranes, battery separators, charged membranes,nfuel cells, blood purification membranes, and the like. |