构建中间层以调控复合聚酰胺薄膜的结构与性能：综述

Constructing interlayer to tailor structure and performance of thin-film composite polyamide membranes: A review.

作者信息

Dai Ruobin, Li Jiayi, Wang Zhiwei

机构信息

State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.

出版信息

Adv Colloid Interface Sci. 2020 Aug;282:102204. doi: 10.1016/j.cis.2020.102204. Epub 2020 Jun 27.

DOI:10.1016/j.cis.2020.102204

PMID:32650145

Abstract

Thin-film composite (TFC) structured membranes based on polyamide (PA) chemistry is the gold standard of nanofiltration and reverse osmosis-based technologies for water purification and desalination. Constructing interlayer between porous substrate and PA layer is a promising strategy to address the ubiquitous trade-off between permeability and selectivity, which is typically encountered by conventional TFC PA membranes. The progress in the interlayer benefits the precise control of interfacial polymerization process, which therefore can tailor the structure and performance of advanced TFC PA membranes. This review critically summarizes the recent advances in TFC PA membranes mediated by interlayer. The mechanisms of interlayer regulating the IP process and PA structure are first discussed based on available literature. Structure and performance of novel TFC PA membranes based on three kinds of interlayers, i.e., organic coatings, nanomaterial and nanocomposite interlayers, are systematically reviewed. Finally, perspectives and future efforts needed are proposed for interlayer based TFC PA membranes. This review offers comprehensive understanding and useful guidance on the rational design of advanced membranes mediated by interlayers for desalination and water purification.

摘要

基于聚酰胺（PA）化学的薄膜复合（TFC）结构膜是用于水净化和脱盐的纳滤和反渗透技术的金标准。在多孔基材和PA层之间构建中间层是解决传统TFC PA膜普遍存在的渗透率与选择性之间权衡问题的一种有前途的策略。中间层的进展有利于精确控制界面聚合过程，从而可以定制先进TFC PA膜的结构和性能。本文综述了中间层介导的TFC PA膜的最新进展。首先根据现有文献讨论了中间层调节IP过程和PA结构的机制。系统综述了基于有机涂层、纳米材料和纳米复合中间层这三种中间层的新型TFC PA膜的结构和性能。最后，对基于中间层的TFC PA膜提出了展望和未来所需的努力方向。本文综述为合理设计用于脱盐和水净化的中间层介导的先进膜提供了全面的理解和有用的指导。