Fabrication of a bulk superhydrophobic conductive material by mechanical abrasion

被引:13
作者
Cai, Zhiming [1 ]
Shen, Lie [1 ]
Wang, Xiaojing [2 ]
Guo, Qipeng [3 ]
机构
[1] Zhejiang Univ, Dept Polymer Sci & Engn, MOE Key Lab Macromol Synth & Functionalizat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Zhejiang Xingyu Polymer Mat Technol Co Ltd, Lishui 323000, Peoples R China
[3] Deakin Univ, Inst Frontier Mat, Polymers Res Grp, Locked Bag 20000, Geelong, Vic 3220, Australia
关键词
Carbon fibres; Functional composites; Scanning electron microscopy (SEM); SELF-CLEANING PROPERTY; ELECTRICAL-CONDUCTIVITY; ANTIICING PERFORMANCE; SILICA NANOPARTICLES; CARBON NANOTUBES; SURFACES; ROBUST; COATINGS; POLYMER; MICROCAPSULES;
D O I
10.1016/j.compscitech.2018.05.045
中图分类号
TB33 [复合材料];
学科分类号
摘要
A Ketjen black (KB)-vapour-grown carbon fibre (VGCF)/polypropylene (PP) bulk superhydrophobic conductive material was prepared by processing the mixture with a range of roughnesses of abrasive paper. The difference in abrasion resistance between fillers and resin induces surface roughness during abrasion. SEM images showed hierarchically structured roughness that consists of heaves with fillers. The influence of the loading and ratio of the fillers was investigated. When the loading of the fillers was 33.3 wt% and the ratio of KB to VGCF was 4:1, the surface showed a static water contact angle of approximately 167.5 degrees, a sliding angle below 1 degrees, and a volume resistivity of approximately 0.8 Omega cm. The superhydrophobicity of the material was stable over a wide range of pH, temperature and appropriate mechanical abrasion. The bulk material is environmentally friendly, easy to scale up for large-scale applications and may be useful for anti-icing applications or self-cleaning.
引用
收藏
页码:238 / 247
页数:10
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