天津工业大学学报2019，Vol.38Issue(1)：1-6,6.DOI:10.3969/j.issn.1671-024x.2019.01.001
抗菌聚酰胺复合纳滤膜的制备及表征
Preparation and characterization of antibacterial polyamide composite nanofiltration membrane
摘要
Abstract
In order to improve the antibacterial property of the composite membrane, an antibacterial composite polyamide nanofiltration membrane was prepared via the interfacial polymerization using the branched polyethyleneimine (PEI) as an aqueous monomer, trimesoyl chloride (TMC) as an organic phase monomer, on the surface of polysulfone ultrafiltration membrane. The effects of different preparation conditions on the membrane properties were studied. It was found that when PEI content was 1.5％, TMC content was 0.2％, reaction time was 5 min, the PEI/TMC composite membrane obtained the best performance. It showed the membrane rejection to 0.1％ MgSO4 was 95％, the flux was about 55 L/ (m2·h) when it was tested at 25 ℃, 1.5 MPa. Gram-negative E. coli and Gram-positive S. aureus were used as the bacterial model to evaluate the antibacterial properties of the membranes using shake flask method. The PEI/TMC membrane has very good antibacterial property and the antibacterial rate reaches 70％-95％ for bacteria with a concentration of 103 CFU/mL.关键词
聚酰胺/超支化聚乙烯亚胺/纳滤膜/抗菌/薄层复合膜/界面聚合Key words
polyamide/hybranchedpolyethyleneimine/nanofiltration/antibacterial properties/thin-film composite membrane/interfacial polymerization分类
轻工纺织引用本文复制引用
张宇峰,李文俏,潘赢,张雯,孟建强..抗菌聚酰胺复合纳滤膜的制备及表征[J].天津工业大学学报,2019,38(1):1-6,6.基金项目
国家自然科学基金资助项目(21574100) （21574100）
