工业用超滤膜通常采用相转化法制备，相转化法需要选择合适的溶剂配制膜液。壳聚糖是一种亲水性好、抗菌的天然高分子材料，可用于制备超滤膜，但其溶解性限制了其在超滤膜中的应用。本文从溶剂选择的角度综述了壳聚糖为基材的超滤膜研究进展。

The commercial ultrafiltration membranes are usually prepared by the phase inversion method. The phase inversion needs an appropriate solvent to form casting solution. Chitosan is a kind of natural polymer material with a good hydrophilic and antibacterial property, which can be used for the preparation of ultrafiltration membrane. But the solubility of chitosan in organic solvents limits its application in ultrafiltration membrane. The progress of chitosan ultrafiltration membrane was stated in view of the solvent selection.

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