The self-healing composite anticorrosion coating
作者： Zhao Yang , Zhang Wei , Liao Le-ping , Wang Hong-mei , Li Wu-jun
DOI: 10.1016/J.PHPRO.2011.06.084
关键词:
摘要: Abstract Self-healing coatings, which autonomically repair and prevent corrosion of the underlying substrate, are particular interest for researchers. In article, effectiveness epoxy resin filled microcapsules was investigated healing cracks generated in coatings. Microcapsules were prepared by situ polymerization urea–formaldehyde to form shell over resindroplets. Characteristics these capsules studied scanning electron microscope (SEM), thermo gravimetric analyzer (TGA) particle size analyzer. The model system self-healing antisepsis coating consists an matrix, 10 wt% microencapsulated agent, 2wt% catalyst solution. function this is evaluated through testing damaged healed coated steel samples compared control samples. Electrochemical provides further evidence passivation substrate
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