Manufacturing method of polyamide-based water treatment separation membrane excellent in permeate flow characteristics and water treatment separation membrane produced by the production method

摘要

A method for producing a water treatment separation membrane comprising a polyamide active layer through interfacial polymerization of an amine compound and an acyl halide compound and a water treatment separation membrane produced by the production method are provided. The method for producing a water treatment separation membrane of the present invention comprises the steps of forming an aqueous solution layer containing an amine compound on a porous support, and contacting an organic solution containing an acyl halide compound on the aqueous solution layer. A method for producing a water treatment separation membrane comprising a step of forming a polyamide active layer, wherein the organic solution contains a nonpolar solvent and an amphiphilic solvent having a boiling point of 120 ° C. or higher.