聚合
膜
反渗透
界面聚合
化学工程
结垢
材料科学
图层(电子)
膜污染
聚合物
半透膜
高分子化学
化学
纳米技术
复合材料
单体
工程类
生物化学
作者
Xianglei Han,Yao Wang,Zhi Wang,Li Xu,Yingying Liu,Chong Wang,Fangzheng Yan,Jixiao Wang
标识
DOI:10.1016/j.memsci.2021.119973
摘要
Reverse osmosis membrane with high permselectivity and durability is highly desirable. Due to the self-limiting in interfacial polymerization process, existing strategies for membrane selective layer construction are constrained. Herein, a designable evolutionary strategy named interfacial polymerization plus, which combines interfacial polymerization and UV-induced graft polymerization, is proposed to construct the membrane selective layer. As a result, a sophisticated selective layer with rationally designed bulk and surface is obtained. The selective layer endows membrane with unprecedented improvement in permeability, chlorine-resistant and anti-fouling properties, while maintaining high rejection. Meanwhile, the long-term excellent performance under severe conditions indicates that the developed membrane has great potential in new and expanding applications.
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