Application of hierarchical bonds for construction an anti-corrosion coating with superior intrinsic self-healing function

被引：17

作者：

Li, Yuqing ^{[1
,2
]}

Zhang, Daquan ^{[1
,2
]}

Li, Jin ^{[1
,2
]}

Lu, Jiamin ^{[1
,2
]}

Zhang, Xinrui ^{[1
]}

Gao, Lixin ^{[2
]}

机构：

[1] Shanghai Univ Elect Power, Shanghai Key Lab Mat Protect & Adv Mat Elect Powe, Shanghai 200090, Peoples R China

[2] Shanghai Univ Elect Power, Shanghai Engn Res Ctr Energy Saving Heat Exchange, Shanghai 200090, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2022年 / 639卷

关键词：

Biomimetic; Corrosion; Functional; Self-healing; Coating; CORROSION; MICROCAPSULES; OIL;

D O I：

10.1016/j.colsurfa.2022.128388

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：

An anti-corrosion coating is prepared by reaction of alpha-lipoic acid (ALA) with di-isopropenyl benzene (DB), followed by the addition of Cu2+ ions. This coating can heal its scratching within 2 h in air and 12 h in solution without external intervention. The corrosion inhibition effect of the DB-ALA-Cu2+ coating was demonstrated by electrochemical measurements. It shows excellent performance against copper corrosion in 3 wt% NaCl solution. The self-healing mechanism is attributed to the formation and exchange of hierarchical non-covalent and covalent bonds. This coating extends significantly its service life and has potential applications in the metal anticorrosion area.

引用

页数：9

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