Polyamide nanofilms synthesized via controlled interfacial polymerization on a "jelly" surface

被引:44
作者
Ma, Zhao-Yu [1 ]
Zhang, Xi [1 ]
Liu, Chang [1 ]
Dong, Shun-Ni [1 ]
Yang, Jing [1 ]
Wu, Guang-Peng [1 ]
Xu, Zhi-Kang [1 ,2 ]
机构
[1] Zhejiang Univ, MOE Key Lab Macromol Synth & Functionalizat, Key Lab Adsorpt & Separat Mat & Technol Zhejiang, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Coll Chem & Biochem Engn, Hangzhou 310027, Peoples R China
基金
中国国家自然科学基金;
关键词
FILM COMPOSITE MEMBRANES; REVERSE-OSMOSIS MEMBRANES; NANOFILTRATION MEMBRANE; WASTE-WATER; HIGH-FLUX; PERFORMANCE; FABRICATION; TRANSPORT; SUPPORT; LAYER;
D O I
10.1039/d0cc02555k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A thermal-sensitive "jelly" was used to control the diffusion of a diamine monomer for synthesizing polyamide free-standing nanofilms with an adjustable thickness of 5-35 nm. The reduced reaction rate of the interfacial polymerization at the hexane-"jelly" interface made the synthesized nanofilms show high water permeation flux and suitable salt rejection, and they also have highly negative surface charges and fairly smooth surfaces.
引用
收藏
页码:7249 / 7252
页数:4
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