膜科学与技术

亲水超滤膜PVDF/CS-HDH-Cl的制备及其抗菌性能研究

作者：徐佳峰，王函，陈艳，郎万中

单位：上海师范大学教育部资源化学重点实验室，化学与材料科学学院，上海200234

关键词：聚偏氟乙烯膜；卤胺；壳聚糖；抗菌膜

出版年,卷(期):页码： 2021,41(6):103-109

摘要：

以壳聚糖和海因为原料合成了壳聚糖-海因（CS-HDH），并通过氯化处理得到氯化壳聚糖-海因（CS-HDH-Cl），以合成的CS-HDH-Cl为添加剂制备具有亲水性、抗污染性能和抑菌性能的聚偏氟乙烯（PVDF）膜。结果表明，添加CS-HDH-Cl改善PVDF膜的亲水性能，随着添加剂质量分数增加至0.9%，渗透通量高达351.2 L?m-2?h-1；改性后的PVDF/CS-HDH-Cl膜通量恢复率可达90.9%；当氧化态氯含量达0.69 mmol?g-1，PVDF/CS-HDH-Cl超滤膜对大肠杆菌和金黄色葡萄球菌的抑菌率分别为98.7%和98.9%。

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.

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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