| abstract |
The present invention relates to a resin composition, a membrane-forming stock solution containing the resin composition, a porous membrane obtained by forming a membrane from the membrane-forming stock solution, a hollow fiber membrane using the porous membrane, a water treatment device, An electrolyte carrier and a separator, the resin composition comprising (A) component: a film-forming polymer, (B) component: a (meth)acrylate macromonomer (b1) represented by the following formula (1) and others The polymer obtained by polymerizing the monomer composition of the monomer (b2), and (C) component: the polymer containing a vinylpyrrolidone unit. According to the present invention, it is possible to provide a porous membrane that suppresses the formation of macropores with a diameter of 1 μm or more, has highly uniform pores, has good separation performance, and has high water permeability, a hollow fiber membrane using the porous membrane, a water Processing device, electrolyte carrier, and separator. |