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Synthesis and properties of bisphenol S type copoly(phthalazinone ether sulfone) membrane materials
Authors: ZHANG Yingnan, WANG Xu, XU Peiqi WANG Hao, XU Shugang, ,ZHANG Shouhai*, JIAN Xigao
Units: College of chemical engineering, Dalian University of Technology, Liaoning Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Process, Dalian 116024, China
KeyWords: copoly(phthalazinone ether sulfone); synthesize; polymeric membrane;hollow fiber membrane
ClassificationCode:TQ324.8
year,volume(issue):pagination: 2023,43(5):37-43

Abstract:
  A series of bisphenol S type copoly(phthalazinone ether sulfone) (PPESS) were synthesized from (4-(4'-hydroxylphenyl)-2,3-phthalazin-1-one, bisphenol S, and 4,4'-dichlorodiphenyl sulfone. The structure of PPESS were characterized by nuclear magnetic resonance, infrared spectra, and X-ray diffraction spectra. Intrinsic viscosity, molecular weight, solubility, hydrophilicity, and tensile properties of PPESS were investigated. Thermal performance of PPESS were analyzed using differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The PPESS hollow fiber membranes were prepared by dry-wet phase conversion, and the effect of the proportion of phthalazinone moieties on the membrane permeability selectivity was investigated. The results show that the glass transition temperature (Tg) of PPESS was in the range of 249-288 ℃, the 5% mass-loss temperature (T5%) was in the range of 449-518 ℃, and the thermal performance increases with the increase of the proportion of phthalazinone moiety in PPESS. In addition, the water flux of the membranes increase with the increase of the proportion of phthalazinone moiety in PPESS, while the bovine serum protein (BSA) retention rate does not change significantly; PPESS-80 membrane has the best permeation selectivity, with pure water flux of 51.8 L-2 h-1 and BSA retention rate of 97.2%.

Funds:
基金项目:国家自然科学基金委创新研究群体项目(22021005);中央高校基本科研业务费专项资金资助(DUT22LAB605)

AuthorIntro:
张瑛楠(1998-),女,山东潍坊人,硕士,从事高性能高分子膜材料研究

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