Novel anticorrosion coatings prepared from polyaniline/graphene composites

被引：719
作者：
Chang, Chi-Hao [1 ]
Huang, Tsao-Cheng [1 ]
Peng, Chih-Wei [1 ]
Yeh, Tzu-Chun [1 ]
Lu, Hsin-I [1 ]
Hung, Wei-I [1 ]
Weng, Chang-Jian [1 ]
Yang, Ta-I [2 ]
Yeh, Jui-Ming [1 ]
机构：
[1] Chung Yuan Christian Univ, Dept Chem, Chungli 32023, Taiwan
[2] Chung Yuan Christian Univ, Dept Chem Engn, Chungli 32023, Taiwan
来源：
CARBON | 2012年 / 50卷 / 14期
关键词：
CLAY NANOCOMPOSITE MATERIALS; CORROSION PROTECTION; ELECTROCHROMIC PROPERTIES; GAS BARRIER; ELECTROCHEMICAL INVESTIGATIONS; GRAPHITE; POLYMERIZATION; NANOPLATELETS; ENHANCEMENT; EXFOLIATION;
D O I：
10.1016/j.carbon.2012.06.043
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report on the exceptional application of polyaniline/graphene composites (PAGCs) for corrosion protection of steel. The composites display outstanding barrier properties against O-2 and H2O compared with neat polyaniline and polyaniline/clay composites (PACCs). The conductive filler, 4-aminobenzoyl group-functionalized graphene-like sheets (ABF-G) with a relatively higher aspect ratio than organophilic clay nonconductive fillers, is a versatile platform for polymer grafting that promotes better dispersion of the graphite within the polymer matrix and lengthens the diffusion pathway that gases should effectively encounter. This concept can be used for other polymer/graphene composites. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：5044 / 5051
页数：8
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