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Preparation and performance of copoly(phthalazinone biphenyl ether sulfone) hemodialysis membrane

Authors： XU Xiangxian1, ZHANG Shouhai1, LIU Qian1, WANG Zhaoqi1, LIU Bingrong2, JIAN Xigao1

Units： 1. School of Chemical Engineering, Dalian University of Technology, High Performance Polymer Engineering Research Center, Dalian 116024, China; 2. Jiangxi Sanxin Medtec Co., Ltd. Nanchang 330200, China

KeyWords： copoly(phthalazinone biphenyl ether sulfone); hollow fiber membranes; hemodialysis; preparation

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2020,40(5):1-8

Abstract：

A series of hollow fiber hemodialysis membranes were prepared by phase inversion using copoly (phthalazinone biphenyl ether sulfone) (PPBES) with different content of phthalazinone moieties. The effects of PPBES structure on the thermodynamic stability of spinning solution, spinning solution viscosity, membrane structure and performance were investigated by rotational viscometer, contact angle measuring instrument and scanning electron microscope. The results show that thermodynamic stability of the spinning solution decreased with the increase of the content of phthalazinone moieties, while the viscosity of the spinning solution increased and the hydrophilicity of the membrane improved. The rejection against bovine serum albumin (BSA) for hollow fiber membranes was more than 93%, and the pure water flux was higher than 23.9 L/m2h. The pure water flux and BSA flux of the PPBES6040 membrane were 34.5 L/m2h and 25.5 L/m2h, respectively, and the flux recovery rate (FRR) was 68.4%. The tensile strength of hollow fiber membranes were no less than 6 MPa.

Funds：

辽宁省‘兴辽英才计划’项目（XLYC1802073）；中央高校基本科研业务费资助项目（DUT19ZD404）

AuthorIntro：

徐象贤(1995-)，男，辽宁大连人，硕士研究生，研究方向为中空纤维血液透析膜，E-mail: xuxiangxian@mail.dlut.edu.cn

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