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

被引:1
|
作者
DONG Ying [1 ,2 ]
LU Qiting [1 ,2 ]
YAO Qisheng [1 ,2 ]
机构
[1] Shanghai Kangda New Materials Co.,Ltd.
[2] Shanghai Engineering Research Center of Adhesive
关键词
graphene; epoxy-based coating; anti-corrosion performance; Tafel polarization curve;
D O I
暂无
中图分类号
TG174.4 [金属表面防护技术]; TQ630.1 [基础理论];
学科分类号
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.
引用
收藏
页码:15 / 20
页数:6
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