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|Title:||Active sensing coating for early detection of corrosion processes|
Bastos, Alexandre C.
Ferreira, Mario G. S.
Zheludkevich, Mikhail L.
|Publisher:||ROYAL SOC CHEMISTRY|
|Abstract:||A corrosion sensing coating based on specially developed polymeric microcapsules with a pH-indicator is reported. The synthesis of the microcapsules is designed in a way to ensure their optimal compatibility with the polyurethane protective coatings and to allow release of the indicator at higher pH values. The obtained polyurea microcapsules have a regular and microsized morphology and a loading content of 12 wt%. The developed sensing coating applied on aluminium and magnesium alloys is able to indicate initiation of corrosion processes through a pink coating coloration, as a result of local pH increase in the cathodic areas.|
|Appears in Collections:||CICECO - Artigos|
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|Active sensing coating for early detection of corrosion processes_10.1039c4ra00826j.pdf||828.46 kB||Adobe PDF||View/Open|
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