Redox-Responsive Self-Healing for Corrosion Protection

Redox-Responsive Self-Healing for Corrosion Protection

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 reductio...

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Veröffentlicht in:Advanced materials (Weinheim) 2013-12, Vol.25 (48), p.6980-6984
Hauptverfasser: Vimalanandan, Ashokanand, Lv, Li-Ping, Tran, The Hai, Landfester, Katharina, Crespy, Daniel, Rohwerder, Michael
Format: Artikel
Sprache:eng
Schlagworte:
Composite coatings
conducting polymers
galvanized steel
redox responses
scanning kelvin probe
self-healing materials
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Zusammenfassung: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201302989