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Ti3C2Tx-doped thin film nanocomposite membranes with enhanced nanofiltration performance

Authors： ZHANG Xian, WU Mingbang, YANG Xi, YANG Jing, XU Zhikang

Units： Key Laboratory of Adsorption and Separation Materials and Their Applications of Zhejiang Province, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China

KeyWords： nanofiltration membrane; MXene; interfacial polymerization; polyamide

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2020,40(1):8-15

Abstract：

In this work, the Ti3C2Tx-doped thin film nanocomposite (TFN) membranes were prepared through interfacial polymerization used trimesoyl chloride (TMC) as organic phase monomer and Ti3C2Tx dispersion in piperazine (PIP) as aqueous phase monomer on the polyether sulfone (PES) UF substrates. It can be found that the roughness, hydrophilicity and electronegativity were greatly improved compared with that of TFC membrane without Ti3C2Tx, in addition, the water flux of the TFN membrane was improved by 25% resulting from the reduced skin layer thickness and the improved hydrophilicity while the rejection for Na2SO4 was remaining at 98%.

Funds：

国家自然科学基金资助（21534009）

AuthorIntro：

第一作者简介：张弦（1996-），女，浙江宁波人，在读硕博连读生，研究方向为聚合物分离膜及其表界面工程. *通讯作者，E-mail：xuzk@zju.edu.cn

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