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  • Novel anticorrosion coating...
    Chang, Chi-Hao; Huang, Tsao-Cheng; Peng, Chih-Wei; Yeh, Tzu-Chun; Lu, Hsin-I; Hung, Wei-I; Weng, Chang-Jian; Yang, Ta-I; Yeh, Jui-Ming

    Carbon (New York), 11/2012, Volume: 50, Issue: 14
    Journal Article

    We report on the exceptional application of polyaniline/graphene composites (PAGCs) for corrosion protection of steel. The composites display outstanding barrier properties against O2 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.