A novel positively charged composite nanofiltration membrane based on polyethyleneimine with a tunable active layer structure developed via interfacial polymerization

• Published in: RSC advances Vol. 9; no. 19; pp. 10796 - 10806
• Main Authors: Jiang, Zhibin, Miao, Jing, He, Yuantao, Tu, Kai, Chen, Shunquan, Zhang, Rui, Zhang, Ling, Yang, Hao
• Format: Journal Article
• Language: English
• Published: England Royal Society of Chemistry 08.04.2019; The Royal Society of Chemistry
• Subjects: Ambient temperature; Aqueous solutions; Calcium chloride; Cations; Chemistry; Dichlorides; Dyes; Electrolytes; Gold; Magnesium chloride; magnesium sulfate; Mixing ratio; Molecular weight; Monomers; Nanofiltration; organochlorine compounds; Polyamide resins; polyamides; Polyethyleneimine; Polymerization; Polysulfone resins; Pore size; Porosity; Rejection; Rhodamine; rhodamines; sodium chloride; Sodium sulfate; Ultrafiltration; Zinc chloride

A novel positively charged composite nanofiltration (NF) membrane with tunable active layer structure was successfully developed via interfacial polymerization on a polysulfone (PSF) ultrafiltration (UF) membrane surface, using polyethyleneimine (PEI) as the monomer of the aqueous phase, and a mixtu...