膜科学与技术

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ClassificationCode：TQ028．8

year,volume(issue):pagination： 2020,40(2):22-29

Abstract：

To improve anti-fouling performance of ultrafiltration membrane especially for protein separation, base ultrafiltration membrane was firstly prepared using brominated poly (phenylene oxide) (BPPO) polymer as starting material by phase inversion method, followed by directly one-step surface hydrophilic modification by polyethyleneimine (PEI). It was found that the membrane was effectively crosslinked by the grafted PEI, resulting in the weaken decrease in the pure water flux but significant improvement in the rejection. Moreover, the grated PEI could introduce abundant hydrophilic amine groups to improve the anti-fouling performance of the resultant ultrafiltration membrane. Specially, the flux recovery ratio could reach up to 89% after BSA fouling, which was 40% increase of the BPPO base membrane.

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国家青年科学基金项目（21808038）

AuthorIntro：

第一作者简介：胡虹（1977），女，四川广安，教授，清洁化工与环境治理研究方向，E-mail：hhu@njpi.edu.cn 通讯作者，E-mail：xclin@fzu.edu.cn

Reference：

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