| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a composite semi-permeable membrane which has high durability together with high solute removability and high water permeability. Ž<P>SOLUTION: The manufacturing method of the composite semi-permeable membrane is a manufacturing method having a polyamide separation functional layer and comprises a step A of forming the polyamide separation function layer by the interfacial polycondensation between a polyfunctional amine and polyfunctional acid halide on a microporous support membrane and a step B of bringing the polyamide separation functional layer into contact with a reagent that produces acid azide by being caused to react with the acid halide. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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