文献类型：期刊文献

英文题名：Ester-assisted low-temperature interfacial polymerization for nanofiltration membranes: Synergistic regulation of heat and mass transfer

作者：Han, Rui[1];Xu, Zhen-Liang[1,2];Liu, Dianhua[1];Xu, Sun-Jie[1,2,3]

机构：[1]East China Univ Sci & Technol, Natl Engn & Technol Res Ctr Comprehens Utilizat Sa, Membrane Sci & Engn R&D Lab, Chem Engn Res Ctr,Sch Chem Engn, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Shanghai Elect Chem Innovat Inst, Shanghai 200237, Peoples R China;[3]East China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China

年份：2026

卷号：528

外文期刊名：CHEMICAL ENGINEERING JOURNAL

收录：;EI(收录号：20260219872628);WOS:【SCI-EXPANDED(收录号:WOS:001663883400001)】；

基金：The authors gratefully acknowledge the financial support received from National Natural Science Foundation of China (22208101) , 2025 Basic Research Plan of Science and Technology Commission of Shanghai Municipality (25JD1404900) and National Key Research and Develop-ment Program of China (2021YFB3801103 and 2021YFB3801101) .

语种：英文

外文关键词：Low-temperature interfacial polymerization; Ester co-solvent; Permeance-selectivity trade-off; Molecular dynamics simulations; Nanofiltration

摘要：Precise regulation of mass and heat transfer during interfacial polymerization (IP) is critical for fabricating nanofiltration (NF) membranes with ideal structure and performance. The proposed ester-assisted low-temperature interfacial polymerization (EALTIP) strategy achieves coordinated control over heat and mass transfer, enabling precise tuning of membrane physicochemical properties and performance. The low-temperature oil phase effectively manages reaction heat release and slows polymerization reaction rate, resulting in a gradual and controllable IP process that facilitates the formation of a separation layer with appropriately enlarged pore size, smooth surface, and thin thickness. The further introduction of ester cosolvents reduces oil-water interfacial tension and enhances amine monomer solubility in the oil phase, significantly improving rejection performance while maintaining the advantages of LTIP strategy. Comprehensive characterizations, molecular dynamics simulations, and solubility parameter calculations reveal the mechanism of separation layer formation, while the feasibility and applicability of this strategy are demonstrated using multiple ester solvents. The membrane fabricated by ethyl formate-assisted LTIP demonstrates concurrently enhanced water permeance (21.7 L & sdot;m-2 & sdot;h-1 & sdot;bar-1) and Na2SO4 rejection (99.2%), both superior to the pristine membrane. This strategy offers new insights into the synergistic regulation of IP process from both thermodynamic and dynamic perspectives with feasible and highly scalable prospect.