三种取代度不同的含辣素衍生结构功能单体对PSf/PES超滤膜性能的影响

doi:10.11896/cldb.19120179

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Abstract The antibacterial ultrafiltration membranes were prepared via “MWA (microwave-assisted)-in situ polymerization-blending” method, using capsaicin derivatives as antibacterial additives, PSf/PES as membrane materials, polyethylene glycol 400 (PEG-400) as pore-forming agent and N, N-dimethyl acetamide (DMAc) as solvent. And the effects of functionality of different capsaicin derivatives on the structure and properties of the modified membranes were investigated. The results showed that the performance of the membranes modified with different capsaicin derivatives improved obviously. In addition, the mechanical properties of modified ultrafiltration membrane gradually strengthened with the functionality of capsaicin derivatives increased. However, the microstructure, permeability and separation performance had no apparent change as the change of the functionality. All the modified composite membrane had good antibacterial properties, up to 89.5%.

Key words： capsaicin derivatives polysulfone polyethersulfone ultrafiltration antibacterial

Published: 12 September 2020

CLC number:

TQ326.55

Fund:This work was financially supported by the National Natural Science Foundation of China-Shandong Joint Fund (U1706225), AoShan Talents Cultivation Program Supported by Qingdao National Laboratory for Marine Science and Technology (2017ASTCP-OS02).

About author:: Lili Zhangreceived her Ph.D. degree in June 2018 from Ocean University of China in marine chemical engineering and technology. She is currently working in Key Laboratory of Marine Chemistry Theory and Technology, focusing on the preparation of antifouling ultrafiltration membrane and its application in water treatment.Liangmin Yuis a professor and doctoral supervisor at College of Chemistry and Chemical Engineering, Ocean University of China, and a member of the Cheung Kong Scholars Program. He is responsible for the “environmentally friendly marine functional materials and protection technology” program of innovation team of key fields of the ministry of science and technology and the innovation team of the ministry of education. In addition, he is supervisory of Shandong and Qingdao Cankerous and Protection Society. His research interests are environmentally friendly marine protection materials and application technology, preparation and application of natural-like advanced polymer composites.

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	ZHANG Lili
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Cite this article:

ZHANG Lili,TANG Yuanyuan,XU Li, et al. Effects of Three Capsaicin Derivatives with Different Degrees on the Performance of PSf/PES Ultrafiltration Membranes[J]. Materials Reports, 2020, 34(18): 18177-18182.

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http://www.mater-rep.com/EN/10.11896/cldb.19120179 OR http://www.mater-rep.com/EN/Y2020/V34/I18/18177

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