PES中空纤维复合纳滤膜的制备

Preparation of PES Hollow Fiber Composite Nanofiltration Membrane

摘要: 采用界面聚合法制备聚醚砜（PES）中空纤维复合纳滤（NF）膜，讨论了制备条件对PES中空纤维复合NF膜性能的影响。实验结果表明，聚合反应时间、均苯三甲酰氯浓度、哌嗪浓度和酸吸收剂三乙胺浓度对复合NF膜性能有显著影响，同时二次反应能够提高复合NF膜的截留率，对2g／L的Na2SO4截留率可达到99．2％。

Abstract: PES hollow fiber composite nanofiltration membranes were prepared by interfacial polymerization;the effects of preparation conditions on PES composite NF were discussed.The experimental results show that polymerization reaction time,trimesol chloride conc