A New Hybrid Self-healing System for Industrial Coatings
Publish place: 27th Iranian Seminar on Organic Chemistry
Publish Year: 1398
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISOC27_028
تاریخ نمایه سازی: 19 اسفند 1399
Abstract:
Polymeric coatings are used to protect metal surfaces against corrosive materials. However, over time or with damage occurring in the coating or creation of micro-cracks, the metal is exposed to air or corrosive environments 1. Self-healing coatings as a new generation of intelligent coatings are introduced to solve this problem 2. Mixing of capsules containing self-healing agent with the polymeric coating is a common mechanism in order to prepare self- healing coatings 3. When cracks are created in a coating, these capsules break down and release the healing agent at the site of the crack. The healing agent forms a protective layer and corrosion resistant is improved 4. In the current study, self-healing organic coatings containing capsules with water reactive organo-silane compounds was used. In fact, when the damage occurs, the self-healing agent reacts with water or moisture and creates a protective hydrophobic layer that protects the metal against further corrosion attacks. The performance of fabricated coatings was investigated by EIS, FESEM, XRD and adhesion tests
Keywords:
Authors
Mehdi Mahmuodian
Nano Technology Research Center, Urmia University, Urmia, Iran
Jila Motamed
Nano Technology Research Center, Urmia University, Urmia, Iran