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  Organic composite coatings containing mesoporous silica particles: Degradation of the SiO2 leading to self-healing of the delaminated interface

Yin, Y., Zhao, H., Prabhakar, J. M., & Rohwerder, M. (2022). Organic composite coatings containing mesoporous silica particles: Degradation of the SiO2 leading to self-healing of the delaminated interface. Corrosion Science, 200: 110252. doi:10.1016/j.corsci.2022.110252.

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Organic composite coatings containing mesoporous silica particles_ Degradation of the SiO2 leading to self-healing of the delaminated interface _ Elsevier Enhanced Reader.pdf (Publisher version), 8MB
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Organic composite coatings containing mesoporous silica particles_ Degradation of the SiO2 leading to self-healing of the delaminated interface _ Elsevier Enhanced Reader.pdf
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Open Access
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application/pdf / [MD5]
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Copyright Date:
2022
Copyright Info:
The Author(s). Published by Elsevier Ltd.

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 Creators:
Yin, Yue1, Author              
Zhao, Huan2, Author              
Prabhakar, J. Manoj1, Author              
Rohwerder, Michael1, Author              
Affiliations:
1Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_2074315              
2Mechanism-based Alloy Design, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863383              

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Free keywords: Corrosion protection, Self-healing, Mesoporous silica, Cathodic delamination, Hybrid coatings
 Abstract: Mesoporous SiO2 is of interest as nano-container for storing active agents for corrosion inhibition or self-healing. However, the potential of mesoporous SiO2 itself for providing active corrosion protection so far was widely ignored. Here, SiO2 containing PVB coatings applied on zinc is shown to inhibit corrosion-driven organic coating disbondment and even to self-heal the already delaminated interface. The protection mechanism is that mesoporous SiO2 will degrade in the high alkaline pH at the delaminated area and forms a silicate layer that blocks underfilm corrosion and even re-establishes a protective and delamination resistant interface.

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Language(s): eng - English
 Dates: 2022-05-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.corsci.2022.110252
 Degree: -

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Title: Corrosion Science
  Abbreviation : Corros. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: 14 Volume / Issue: 200 Sequence Number: 110252 Start / End Page: - Identifier: ISSN: 0010-938X
CoNE: https://pure.mpg.de/cone/journals/resource/954925393343