Influence of graphene on the anti-corrosion performance of epoxy-based coatings

查看全文 作　　者：DONG [1,2]Ying;LU [1,2]Qiting;YAO [1,2]Qisheng

机构地区：[1]Shanghai Kangda New Materials Co.,Ltd.,Shanghai 201419,China;[2]Shanghai Engineering Research Center of Adhesive,Shanghai 201419,China

出　　处：《Baosteel Technical Research》索引2016年第10卷第3期,共6页

摘　　要：In this work,graphene-modified epoxy-based anti-corrosion coatings were prepared and the influence of graphene on the anti-corrosion performance of the epoxy-based coatings was investigated with water contact angle test,chemical solution immersion test,and electrochemical test.The water contact angle and chemical solution resistance of the epoxy-based coatings were improved with an increase in graphene content from 0 to 0.4%.These results prove that addition of graphene can significantly improve the hydrophobicity and impermeability of epoxybased coatings.However,when the graphene content was increased to 0.5%,the performance of the epoxy-based coatings decreased because of graphene aggregation.Tafel polarization results showthat graphene addition can significantly reduce the corrosion current density and corrosion potential of epoxy-based coatings,which enhance their anti-corrosion performance. 关键词：GRAPHENE epoxy-based coating anti-corrosion performance Tafel polarization curve

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Influence of graphene on the anti-corrosion performance of epoxy-based coatings

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