Polyethersulfone(PES) ultrafiltration membrane was successfully prepared by means of phase inversion method,with PES as raw material,Polyvinyl Pyrrolidone(PVP)as additive,and dimethylacetamide(DMAC) as solvent.

• 以聚醚砜(PES)为膜材；聚乙烯吡咯烷酮(PVP)为添加剂；N；N-二甲基乙酰胺(DMAC)为溶剂；用相转化法制备了超滤膜.