Surface coating of membrane by cationic photopolymerization of oxetane-terminal poly(ethylene glycol) for enhanced dye/salt separation and chlorine-resistant performance

被引：6

作者：

Wen, Shaobin ^{[1
,2
]}

Wang, Yan ^{[1
,2
]}

Zhang, Jingyu ^{[1
,2
]}

Fan, Liyuan ^{[1
,2
]}

Zhang, Qiang ^{[1
,2
]}

Deng, Yufei ^{[3
]}

Xin, Yangyang ^{[3
]}

Zou, Yingquan ^{[3
,4
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Environm & Biol Engn, Key Lab New Membrane Mat, Minist Ind & Informat Technol, Nanjing 210094, Peoples R China

[2] Nanjing Univ Sci & Technol, Inst Polymer Ecomat, Sch Environm & Biol Engn, Nanjing 210094, Peoples R China

[3] Hubei Gurun Technol Co Ltd, Jingmen 448000, Peoples R China

[4] Beijing Normal Univ, Coll Chem, Dept Appl Chem, Beijing 100875, Peoples R China

来源：

PROGRESS IN ORGANIC COATINGS | 2023年 / 183卷

关键词：

Cationic photopolymerization; Oxetane; Membrane; Dye; salt separation; Chlorine-resistant;

D O I：

10.1016/j.porgcoat.2023.107792

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Cationic photopolymerization is well-known for its tolerance with oxygen and low shrinkage of coating; how-ever, its application for surface coating is limited due to the lack of functional oligomers. Herein, poly (ethylene glycol) (PEG) with terminal oxetane groups was prepared and used for the coating of membrane by rapid cationic photopolymerization. The structure and separation performance of membrane could be regulated by adjusting the molecular weight of PEG and the UV radiation time. The hydrophilicity and filtration performance of membrane has been significantly enhanced after cationic photopolymerization. Finally, the composite membrane showed excellent performance to dye/salt separation and superior chlorine resistance, with flux and retention remaining stable over a 14-day test.

引用

页数：9

共 37 条

[1] Bio-inspired PDA@WS2 polyacrylonitrile ultrafiltration membrane for the effective separation of saline oily wastewater and the removal of soluble dye [J].