文献类型：期刊文献

英文题名：Fabrication of ordered honeycomb amphiphobic films with extremely low fluorine content

作者：Gao, Fei[1];Wang, Wei[1];Li, Xinxin[1];Li, Lei[2];Lin, Jiaping[1];Lin, Shaoliang[1]

机构：[1]E China Univ Sci & Technol, Shanghai Key Lab Adv Polymer Mat, Key Lab Ultrafine Mat, Minist Educ,Sch Mat Sci & Engn, Shanghai 200237, Peoples R China;[2]Xiamen Univ, Coll Mat, Xiamen 361005, Peoples R China

年份：2016

卷号：468

起止页码：70

外文期刊名：JOURNAL OF COLLOID AND INTERFACE SCIENCE

收录：;EI(收录号：20160501875772);WOS:【SCI-EXPANDED(收录号:WOS:000371279900009)】；

基金：This work was supported by National Natural Science Foundation of China (51573046 and 51103044). Support from Projects of Shanghai Municipality (14SG29) and Fundamental Research Funds for the Central Universities (NCET-12-0857, B14018 and WD1213002) is also appreciated.

语种：英文

外文关键词：Breath figure; Amphiphobic; Fluorinated polymer

摘要：A series of poly(methyl methacrylate)-block-poly(perfluoroalkyl ethyl acrylate) (PMMA-b-PFAEA) with various fluorine content were employed to fabricate honeycomb ordered films via breath figure strategy. The influences of temperature, concentration, relative humidity, fluorine content on the morphology of porous films were investigated. Wetting behavior including hydrophobic property and wetting state of the films was studied. High surface roughness from the porous structure and low surface free energy from the increasing PFAEA fraction led to the enhancement of hydrophobicity. Additionally, fabrication of porous films by the mixture of PMMA and PMMA-b-PFAEA was investigated. Ordered porous film with excellent hydrophobicity and oleophobicity was obtained with only 7 wt% of PMMA-b-PFAEA by simultaneous processes of breath figure mechanism and phase separation. This work facilitates our further comprehension of the mechanism of breath figure and contributes to the fabrication of porous film from fluorinated copolymers. Meanwhile, it opens a new route to prepare films possessing excellent hydrophobicity and oleophobicity with extremely low fluorine content. (C) 2016 Elsevier Inc. All rights reserved.