Preparation and anticorrosion property of poly(2,3-dimethylaniline) modified by nano-SiO2

被引：27
|
作者：
Ma, Li [1 ]
Chen, Feifei [1 ]
Li, Zhitao [1 ]
Gan, Mengyu [1 ]
Yan, Jun [1 ]
Wei, Shujuan [1 ]
Bai, Youqian [1 ]
Zeng, Jun [1 ]
机构：
[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400044, Peoples R China
来源：
COMPOSITES PART B-ENGINEERING | 2014年 / 58卷
关键词：
Material; Polymer-matrix composites (PMCs); Corrosion; Thermal analysis; NANOCOMPOSITE MATERIALS; CORROSION PROTECTION; POLYANILINE; COMPOSITES; COATINGS; POLYMERIZATION; ENHANCEMENT; STEEL;
D O I：
10.1016/j.compositesb.2013.10.064
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel anticorrosive material poly(2,3-dimethylaniline)/nano-SiO2 composite (PSC) was synthesized by in situ polymerization using nano-SiO2 particles to modify poly(2,3-dimethylaniline) (P(2,3-DMA)). The structure was characterized via Fourier transform infrared spectra and X-ray diffraction. The thermal stability and electrochemical performances were characterized by thermogravimetric analysis and cyclic voltammetry measurements. The results indicated that there was an certain interaction existed between P(2,3-DMA) and nano-SiO2 particles, the thermal stability and electrochemical performances of PSC was much better than that of P(2,3-DMA). Epoxy coating containing P(2,3-DMA) and PSC were painted on steel respectively, and accelerated immersion tests were performed to evaluate the anticorrosion properties of these coatings in 3.5% NaCl solution. The results show that the anticorrosion property of PSC coating is better than that of P(2,3-DMA). (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：54 / 58
页数：5
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