A positively charged nanofiltration(NF) membrane is prepared by interfacial polymerization method,with polyethylenimine(PEI) and trimesoyl chloride(TMC) as reaction monomers.

• 主要研究以聚乙烯亚胺(PEI)和均苯三甲酰氯(TMC)为反应单体,采用界面聚合法来制备荷正电纳滤膜。