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In order to enhance the hydrophilicity of PES, A series of sulfonated polyethersulfone (SPES) were readily prepared via
a reaction of sulphonation which used chlorosulfonic as sulfonating agent and concentrated sulfuric acid as solvent.
Sulfonation was confirmed by Fourier transform infrared spectroscopy and Thermo gravimetric analyzer. We studied
forming film characteristic of SPES by phase diagram. The sulfonated PES materials were then utilized as a hydrophilic
modifier for fabrication of SPES membranes. The solvent was NMP and PEG-6000 was pore-forming agent. The
characteristics of membranes were studied. It was found that the surface hydrophilicity of the modified PES membranes
was remarkably enhanced by contact angle. Water flux was obvious increased and antifouling performance was also
improved.
Haiju Liu,Feng-yun Huangfu,Yundong Bai, andYuanyuan Kong
"Hydrophilic modification of polyethersulfone and its membrane characteristics", Proc. SPIE 7749, 2010 International Conference on Display and Photonics, 77490Q (21 July 2010); https://doi.org/10.1117/12.869944
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Haiju Liu, Feng-yun Huangfu, Yundong Bai, Yuanyuan Kong, "Hydrophilic modification of polyethersulfone and its membrane characteristics," Proc. SPIE 7749, 2010 International Conference on Display and Photonics, 77490Q (21 July 2010); https://doi.org/10.1117/12.869944