Liquid sensing behaviors of conductive polypropylene composites containing hybrid fillers of carbon fiber and carbon black

被引：33

作者：

Xu, Zhuoyan ^{[1
]}

Wang, Ning ^{[1
]}

Li, Ning ^{[2
]}

Zheng, Guoqiang ^{[1
]}

Dai, Kun ^{[1
]}

Liu, Chuntai ^{[1
]}

Shen, Changyu ^{[1
]}

机构：

[1] Zhengzhou Univ, Coll Mat Sci & Engn, Key Lab Adv Mat Proc & Mold, Minist Educ, Zhengzhou 450001, Peoples R China

[2] Henan Energy Chem Grp Co LTD, Res Inst, Zhengzhou 450046, Peoples R China

来源：

COMPOSITES PART B-ENGINEERING | 2016年 / 94卷

基金：

中国国家自然科学基金;

关键词：

Polymer-matrix composites (PMCs); Electrical properties; Microstructures; POLYMER/CARBON NANOTUBE COMPOSITES; SENSOR; BLENDS; BLACK/POLYPROPYLENE; CONTAMINATION; RESISTANCE; PROPERTY; STRAIN;

D O I：

10.1016/j.compositesb.2016.03.047

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, carbon black (CB), carbon fiber (CF), and hybrid CF/CB were introduced into polypropylene (PP) to fabricate different conductive composites by melt mixing, respectively. The combined effects of CF and CB on the electrical and liquid sensing properties of PP-based composites were investigated in detail. In virtue of the co-supporting conductive network, percolation threshold of the CF/CB/PP composite was reduced apparently upon the addition of 8 wt.% CF. For liquid sensing measurements, CF/CB/PP conductive polymer composites (CPCs) exhibited a superior liquid sensing behavior with higher responsivity, rapider response and better stability in contrast to the counterpart CB/PP. In addition, the response curves are found to be remarkably characteristic for discriminating different kinds of organic solvents. The present paper provides a new route to tailor the liquid sensing properties of CPCs. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：45 / 51

页数：7

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