含亚联苯基PPQ超滤膜的研制

摘要/Abstract

摘要： 将含亚联苯基的聚苯基单醚喹啉(PPQ)制成超滤膜,研究了制膜液的热处理温度、时间和聚合物浓度对膜分离、透过性能的影响,对膜的耐热性和耐水解性进行了初步考察,并用扫描电镜观察了膜的不对称微孔结构,该膜具有优良的机械强度、纯水透过率、截留性能和耐热、耐水解性。

关键词: 含亚联苯基聚苯基喹啉, 超滤膜, 蛋白截留率, 纯水透过率

Abstract: The ultrafiltration membranes have been prepared by the phase inversion method from polyphenylquinoxaline(PPQ)containing 4,4'-biphenylene group in the main chain. The effects of heat-treatment temperattire,time and polymer concentration on the performance of the membranes have been studied.Study of thermal stability and hydrolytic stability properties of membranes was carried out in glycerol bath at 120℃ for 10h,in water at 100℃ for 200h, using the pure water flux and the retention of bovine serum albumin (BSA) and chymotrypsinum (CMP) for judgement.The results showed that the membranes exhibited a better permeability,high selectivity,good thermal stability,hydrolytic stability,and tensile strength.

Key words: polyphenylquinoxaline containing biphenylene, ultrafiltration membrane, albuminretention, water flux

邢兰敏, 卢凤才. 含亚联苯基PPQ超滤膜的研制[J]. 应用化学, 1994, 0(3): 16-20.

Xing Lanmin, Lu Fengcai. Study on Preparation and Characterization of Polyphenylquinoxaline Ultrafiltration Membrane Containing Biphenylene[J]. Chinese Journal of Applied Chemistry, 1994, 0(3): 16-20.

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含亚联苯基PPQ超滤膜的研制

Study on Preparation and Characterization of Polyphenylquinoxaline Ultrafiltration Membrane Containing Biphenylene

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