膜科学与技术

离子单体界面聚合制备纳滤膜的研究进展

作者：彭华文，赵强

单位：华中科技大学化学与化工学院，湖北武汉 430074

关键词：纳滤膜；界面聚合；离子单体； trade-off；单体设计

出版年,卷(期):页码： 2021,41(6):213-225

摘要：

纳滤在水处理和资源领域发挥重要作用，但其分离性能受到“trade-off”效应的制约。目前绝大部分纳滤膜通过界面聚合法制备，单体结构设计是制备高性能纳滤膜的关键。离子单体亲水性强、电荷密度高，在提高膜渗透性、选择性、抗污性、抗菌性等方面具有优势。本文从离子单体界面聚合的角度出发，介绍了离子单体的类型、特点以及将其引入纳滤膜的方法。阐述了离子单体对膜微观结构和表面性质的影响，总结了离子单体在提高膜渗透性、抗污性、抗菌性和资源回收中的应用，展望了新型离子单体的研究方向。

Nanofiltration play an important role in water treatment and resource reuse, yet the "trade-off" effect restricts the attainment of high performance nanofiltration membranes. Since most nanofiltration membranes are prepared by interfacial polymerization, the design of new monomers is key to the preparation of high-performance membranes. Ionized monomers are widely used to enhance membrane permeability, fouling resistance and antibacterial properties due to their strong hydrophilicity and high charge density. Focusing on ionized monomers in interfacial polymerization, this review summarized recent progress in the design and preparation of nanofiltration membrane containing ionized monomers. The applications of ionized monomers in enhancing membrane permeability, fouling resistance, antibacterial properties and resource recycling were summarized. Opportunities of new monomers for preparing high-performance nanofiltration membranes were discussed.

彭华文（1996-），男，湖北武汉人，博士研究生，研究方向为高分子分离膜材料，E-mail：D202080168@hust.edu.cn。

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