| abstract |
[PROBLEMS] To provide a porous film having excellent pore characteristics, flexibility, excellent handleability and molding processability, and excellent in film strength, heat resistance, chemical resistance and durability by forming a crosslinked structure, and its A manufacturing method is provided. A porous film having a large number of micropores, the porous film having a crosslinkable functional group as a main component and a crosslinkable substance capable of undergoing a crosslinking reaction with the crosslinkable functional group. A porous membrane comprising a composition containing an agent, having an average pore diameter of 0.01 to 10 μm and a porosity of 30 to 85% in the porous membrane. [Selection] Figure 1 |