Building a smart surface with converse temperature-dependent wettability based on poly(acrylamide-cio-acrylonitrile)

被引：21
作者：
Chen, Longbin [1 ,2 ,3 ]
Yang, Tao [1 ,2 ,3 ]
Niu, Yue [1 ,2 ,3 ]
Mu, Xin [1 ,2 ,3 ]
Gong, Yelei [1 ,2 ,3 ]
Feng, Yancong [1 ,2 ,3 ]
de Rooij, Nicolaas Frans [1 ,2 ,3 ]
Wang, Yao [1 ,2 ,3 ]
Li, Hao [1 ,2 ,3 ]
Zhou, Guofu [1 ,2 ,3 ]
机构：
[1] South China Normal Univ, Guangdong Prov Key Lab Opt Informat Mat & Technol, South China Acad Adv Optoelect, Guangzhou 510006, Peoples R China
[2] South China Normal Univ, Inst Elect Paper Displays, South China Acad Adv Optoelect, Guangzhou 510006, Peoples R China
[3] South China Normal Univ, Natl Ctr Int Res Green Optoelect, Guangzhou 510006, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 19期
关键词：
SWITCHABLE WETTABILITY; RESPONSIVE SURFACES; POLY(N-ISOPROPYLACRYLAMIDE); SUPERHYDROPHILICITY; MEMBRANES;
D O I：
10.1039/c9cc09479b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A smart surface with converse temperature-dependent (CTD) wettability was fabricated from an upper critical solution temperaturetype (UCST-type) poly(acrylamide-co-acrylonitrile) (P(AAm-co-AN)) copolymer. The obtained surface exhibits a remarkable and reversible hydrophobic-hydrophilic transition depending on temperature with a high response rate. The static water contact angle of the surface decreases from 103 degrees +/- 2 degrees to 60 degrees +/- 1 degrees as the temperature increases from 30 degrees C to 80 degrees C. Further, the wettability of the UCST-type surface shows a positive linear relationship between wettability and temperature. This study for the first time provides an UCS-Ttype smart surface with wettability that decreases by over 35 degrees as the temperature increases by only 20 degrees C.
引用
收藏
页码：2837 / 2840
页数：4
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