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Preparation of poly(ether sulfone)/copoly(phthalazinone biphenyl ether sulfone) blend ultrafiltration membranes

Authors： BU Xiaoman1, ZHANG Shouhai1,3, XUE Rendong1, LIU Peng1, LIU Bingrong2, JIAN Xigao1

Units： 1. School of Chemical Engineering Dalian University of Technology, Dalian 116024, China; 2. Jiangxi Sanxin Medtec Co., Ltd. Nanchang 330200, China; 3. Changshu Research Institute of DLUT, Changshu 205513, China

KeyWords： Poly(ether sulfone); Copoly(phthalazinone biphenyl ether sulfone); Blend; Ultrafiltration membrane; Hollow fiber

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2018,38(6):56-62

Abstract：

Poly(ether sulfone) (PES) and copoly(phthalazinone biphenyl ether sulfone) (PPBES) were used as membrane materials to prepare PES/PPBES blend ultrafiltration membranes. The effect of blend ratio of PES to PPBES on the compatibility and the viscosity of casting solution and the properties of ultrafiltration membranes were investigated by differential scanning calorimetry, fourier transform infrared spectrometer, rotational viscometer, contact angle measuring instrument, scanning electron microscopy and universal material testing machine. The experimental results show that when the content of PPBES was less than 20% in the blend, PPBES and PES had good compatibility; in these experiments, the hollow fiber ultrafiltration membrane showed a high rejection of bovine serum albumin (BSA), and with the increase in PPBES content of the blend, the pure water flux increased significantly. The membrane’s hydrophilicity was greatly improved. When the PPBES content was 30 wt%, the pure water flux of PES/PPBES blend membrane could reach 60.5 L/m2.h, which was about 2.5 times the flux of PES membrane.

Funds：

大连市杰出青年科技人才培育计划项目（2015J12JH208）

AuthorIntro：

第一作者简介：步肖曼（1993-），女，山东菏泽人，研究生，硕士，中空纤维超滤膜，E-mail：751051753@qq.com 通讯作者，E-mail：zhangshh@dlut.edu.cn

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