聚酯和聚酯酰胺薄膜复合纳滤膜的研究进展:合成、特性和应用,Science of the Total Environment

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聚酯和聚酯酰胺薄膜复合纳滤膜的研究进展:合成、特性和应用,Science of the Total Environment

2024-07-11 22:51| 来源: 网络整理| 查看: 265

纳滤 (NF) 膜已广泛应用于包括水处理和其他分离过程在内的各个领域,而传统的具有聚酰胺 (PA) 选择层的薄膜复合 (TFC) 膜存在污染和不耐氯的问题。由于丰富的亲水羟基和不受氯攻击的酯键,由聚酯(PE)或聚酯酰胺(PEA)选择性层组成的TFC膜已被证明具有增强的抗污性能和优异的耐氯性。本文综述了界面聚合(IP)反应制膜用含羟基单体的多样性,系统总结了PE和PEA纳滤膜的研究进展。分析了 PE 和 PEA 膜的合成策略以及定制性能和性能的机制,并展示了膜的应用优势。此外,提出了PE和PEA纳滤膜发展的当前挑战和未来前景。这篇综述可以为设计高性能 PE 和 PEA 膜提供指导,从而进一步提高纳滤的功效。

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A review on polyester and polyester-amide thin film composite nanofiltration membranes: Synthesis, characteristics and applications

Nanofiltration (NF) membranes have been widely used in various fields including water treatment and other separation processes, while conventional thin film composite (TFC) membranes with polyamide (PA) selective layers suffer the problems of fouling and chlorine intolerance. Due to the abundant hydrophilic hydroxyl groups and ester bonds free from chlorine attack, the TFC membranes composed of polyester (PE) or polyester-amide (PEA) selective layers have been proven to possess enhanced anti-fouling properties and superior chlorine resistance. In this review, the research progress of PE and PEA nanofiltration membranes is systematically summarized according to the variety of hydroxyl-containing monomers for membrane fabrication by the interfacial polymerization (IP) reaction. The synthesis strategies as well as the mechanisms for tailoring properties and performance of PE and PEA membranes are analyzed, and the membrane application advantages are demonstrated. Moreover, current challenges and future perspectives of the development of PE and PEA nanofiltration membranes are proposed. This review can offer guidance for designing high-performance PE and PEA membranes, thereby further promoting the efficacy of nanofiltration.



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