| abstract |
(57) [Summary] [Problem] It is possible to increase the cell density with thin leaves, Provide a filter element with excellent deodorization / dehumidification efficiency, heat exchange rate, etc. SOLUTION: A porous membrane or a porous layer having continuous pores obtained by mixing a functional inorganic material with a solid content ratio of 20 to 500 parts by weight with respect to 100 parts by weight of a polar solvent-soluble polymer material, The average pore diameter of the continuous pores is 30 μm It is assumed that: |