Abstract
In this study, polymer system porous membrane was molded by extracting the soluble particle in boiling water, after it molded polyvinyl alcohol and water-soluble particle like the sugar by blending in UHMWPE. The following were carried out : Water permeability test of the porous film and the performance evaluation. It was possible that the water permeation quantity was made to change by UHMWPE and compounding ratio of the water-soluble particle. The water permeation quantity was affected by changing the particle size of the mixture. The water permeation quantity influences in the difference between the procedure in the case in which it is rolled, after the water-soluble particle is removed, and case in which it is removed after the rolling for the molding.
