以相转化法制备了N-乙酰化壳聚糖超滤膜,探讨了不同的致孔剂和蒸发条件对膜孔结构的影响,并用扫描电镜对其表面形貌进行了分析,并对膜的机械性能和对染料溶液酸性红B的分离性能进行了考察.分析结果表明:以乙醇为致孔剂、红外蒸发干燥10min制备的多孔壳聚糖膜孔径均匀,孔隙率高;膜的机械性能好,膜在干、湿态下的最大抗张强度分别达到445.4Kg/m2和182.4Kg/m2;膜的分离性能好,渗透通量达到2.1ml/cm2·h,截留率达到96.3%.
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