膜科学与技术

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Preparation and antibacterial performance of high permeability PVDF/CS-HDH-Cl ultrafiltration membrane

Authors： Xu Jiafeng, Wang Han, Chen Yan, Lang Wanzhong

Units： The Education Ministry Key Lab of Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.

KeyWords： polyvinylidene fluoride membrane；halamine；chitosan；antibacterial

ClassificationCode：TQ31

year,volume(issue):pagination： 2021,41(6):103-109

Abstract：

CS-HDH was simply synthesized by chitosan and hine, and then CS-HDH-Cl was finally obtained by chlorination. Polyvinylidene fluoride (PVDF) membranes prepared by adding CS-HDH-Cl have good advantages of hydrophilic, anti-pollution and antibacterial properties. The results showed that the addition of CS-HDH-Cl improved the hydrophilicity of PVDF membranes.
With the addition of CS-HDH-Cl mass increased to 0.9 %, the permeation flux was up to 351.2 L?m-2?h-1. Flux recovery rate(FRR) of PVDF/CS-HDH-Cl membrane could achieves 90.9%. When the oxidative chlorine content increased to 0.69 mmol?g-1, M-4 showed the utmost sterilization ratios of 98.7% and 98.9% against E.coli and S.aureus, respectively.

Funds：

上海绿色能源化工工程技术研究中心(18DZ2254200)

AuthorIntro：

徐佳峰（1998-），女，硕士研究生，主要从事膜分离技术研究，E-mail：xjf101408@163.com

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