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

来源：

Baosteel Technical Research | 2016年 / 10卷 / 03期

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

页码：15 / 20

页数：6

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