Redox-Responsive Self-Healing for Corrosion Protection

被引:202
作者
Vimalanandan, Ashokanand [1 ]
Lv, Li-Ping [2 ]
The Hai Tran [1 ]
Landfester, Katharina [2 ]
Crespy, Daniel [2 ]
Rohwerder, Michael [1 ]
机构
[1] Max Planck Inst Eisenforsch GmbH, D-40237 Dusseldorf, Germany
[2] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
关键词
conducting polymers; galvanized steel; redox responses; scanning kelvin probe; self-healing materials; CONDUCTING POLYMERS; ELECTROLYTE LAYERS; PART; NANOCONTAINERS; DELAMINATION; COATINGS; ZINC; INHIBITION; RELEASE; METALS;
D O I
10.1002/adma.201302989
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Raspberry-shaped redox-responsive capsules for storing corrosion inhibitors are introduced, targeted to solve the drawbacks of conducting-polymer-based coating systems for corrosion protection. These capsules synthesized via the miniemulsion technique have a remarkable release property upon reduction (onset of corrosion) and cease release upon reoxidation (passivation of the defect). The self-healing capability is demonstrated by application of these capsules as part of a composite coating on zinc. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:6980 / 6984
页数:5
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