负载纳米银的埃洛石纳米管/聚醚砜杂化超滤膜的制备

doi:10.3969/j.issn.0438-1157.2012.06.039

化工学报 ›› 2012, Vol. 63 ›› Issue (6): 1922-1928.DOI: 10.3969/j.issn.0438-1157.2012.06.039

• 材料化学工程与纳米技术 • 上一篇下一篇

负载纳米银的埃洛石纳米管/聚醚砜杂化超滤膜的制备

陈义丰1，王涛2，张亚涛1，杜雷3，李媖1，张浩勤1，刘金盾1

1郑州大学化工与能源学院,河南郑州 450001；2漯河职业技术学院，河南漯河 462000；3郑州大学生物工程系，河南郑州 450001

收稿日期:2011-10-07 修回日期:2012-03-07 出版日期:2012-06-05 发布日期:2012-06-05
通讯作者: 张亚涛

Preparation and antibacterial property of halloysite nanotube loaded with silver nanoparticles/polyethersulfone hybrid ultrafiltration membrane

CHEN Yifeng1,WANG Tao2,ZHANG Yatao1,DU Lei3,LI Ying1,ZHANG Haoqin1,LIU Jindun1

1School ofChemical Engineering and Energy,Zhengzhou University,Zhengzhou 450001,Henan,China;

2Luohe Vocational Technology College,Luohe 462000,Henan,China;
3Department ofBioengineering,Zhengzhou University,Zhengzhou 450001,Henan,China

Received:2011-10-07 Revised:2012-03-07 Online:2012-06-05 Published:2012-06-05

摘要/Abstract

摘要： 以聚醚砜(PES)为膜材料，N, N-二甲基乙酰胺(DMAc)为溶剂，聚乙烯吡咯烷酮(PVP)和负载纳米银的埃洛石纳米管(Ag- HNTs)为添加剂，采用相转化法制备聚醚砜超滤膜。系统地考察了添加剂(Ag- HNTs)含量对膜性能的影响，并用抑菌圈试验研究了所制膜的抗菌效果。结果表明：硅烷偶联剂KH-792中的甲氧基与HNTs上的羟基成功地发生反应，并且接枝量为0.105g (KH-792)?g -1 (HNTs)；改性后的HNTs与Ag成功地发生络合反应，并且络合量近似为0.145g (Ag)?g -1 (HNTs)；溶剂中负载纳米银的埃洛石纳米管(Ag- HNTs)所占比例的增加能提高膜的水通量，而截留率保持在95%左右。所制备的膜对大肠杆菌和金黄色葡萄球菌有较强的抑制作用。

关键词: 埃洛石纳米管, 纳米银, 聚醚砜超滤膜, 抗菌性能

Abstract: Polyethersulfone (PES) ultrafiltration membrane was prepared via phase inversion, using PES as membrane material, N, N-dimethylacetamide (DMAc) as solvent, polyvinylpyrrolidone (PVP) and Halloysite Nanotube loaded with silver nanoparticles (Ag-HNTs) as additives. The effects of the Ag-HNTs concentration in the casting solution dope on the membrane performance were examined. The antibacterial activity of the membranes was tested by an inhibition zone method. The experimental results indicated that the reaction between HNTs and Silane Coupling Agent KH-792 took place successfully, and the grafted amount was 0.105g (KH-792)?g-1(HNTs). What's more, the complex reaction between silylated HNTs and Ag+ occurred successfully with complex amount of approximately 0.145g (Ag)?g -1 (HNTs). As the content of Ag- HNTs increased, the pure water flux also increased whereas the rejection kept at about 95%. In addition, the membrane showed good antibacterial property against E. coli and S. aureus.

Key words: halloysite nanotube, silver nanoparticles, polyethersulfone ultrafiltration membrane, antibacterial property

中图分类号:

TQ 028.8

陈义丰，王涛，张亚涛，杜雷，李媖，张浩勤，刘金盾. 负载纳米银的埃洛石纳米管/聚醚砜杂化超滤膜的制备[J]. 化工学报, 2012, 63(6): 1922-1928.

CHEN Yifeng,WANG Tao,ZHANG Yatao，DU Lei,LI Ying,ZHANG Haoqin,LIU Jindun. Preparation and antibacterial property of halloysite nanotube loaded with silver nanoparticles/polyethersulfone hybrid ultrafiltration membrane[J]. CIESC Journal, 2012, 63(6): 1922-1928.

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负载纳米银的埃洛石纳米管/聚醚砜杂化超滤膜的制备

Preparation and antibacterial property of halloysite nanotube loaded with silver nanoparticles/polyethersulfone hybrid ultrafiltration membrane

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