Sustainable smart coatings of chitosan and LDH loaded with natural inhibitors for corrosion protection of Mg AZ31 alloy

Santos, Flávio de Sousa; Binder, Lucas; Scharnagl, Nico; da Conceição, Thiago Ferreira

doi:10.1016/j.colsurfa.2024.133639

Colloids and Surfaces A: Physicochemical and Engineering Aspect

2024

DOI: 10.1016/j.colsurfa.2024.133639

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Sustainable smart coatings of chitosan and LDH loaded with natural inhibitors for corrosion protection of Mg AZ31 alloy

Flávio de Sousa Santos,

Lucas Binder,

Nico Scharnagl

et al.

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2024

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Cited by 3 publications

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A Multifunctional Coating with Active Corrosion Protection Through a Synergistic pH‐ and Thermal‐Responsive Mechanism

Ma,

Xu,

Fan

et al. 2024

Small

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This article aims to develop CeO2 nanocontainer‐constructed coating with a synergistic self‐healing and protective nature through a simple mechanical blending technique to manage metal corrosion. The proposed coating exhibits excellent corrosion resistance, which is primarily attributed to the combination of thermal‐driven healing and active corrosion inhibition. Paraffin wax and 2‐polybenzothiazole‐loaded CeO2 nanotubes (CeO2‐MBT) are directly doped into epoxy coating to perform such a multifunctional role. CeO2 nanocontainers and encapsulated corrosion inhibitor MBT can be released by pH triggers to achieve instant corrosion inhibition upon the surface of metal substrate. In addition, any physical defects in the coating are responsively repaired by heating incorporated paraffin wax to regain structural integrity and consequent barrier function. Corrosion protection efficiency remains sufficient even after ten cycles of damage and healing. Such a multiple‐functional coating strategy provides an alternative pathway toward efficient and sustainable performance to tackle corrosion‐related challenges of metal components in both short‐term and long‐term services.

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A Multifunctional Coating with Active Corrosion Protection Through a Synergistic pH‐ and Thermal‐Responsive Mechanism

Ma,

Xu,

Fan

et al. 2024

Small

View full text Add to dashboard Cite

show abstract

TiO2-Mesoporous Ceria Carrier Modified with Sodium Benzoate: An Innovative Polyurethane Matrix for Enhanced Corrosion Protection of steel

Habib,

Qureshi,

Sajjad

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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The influence of molecular weight on the anticorrosion properties of chitosan coatings

Binder,

de Sousa Santos,

Ferreira da Conceição

2024

International Journal of Biological Macromolecules

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Sustainable smart coatings of chitosan and LDH loaded with natural inhibitors for corrosion protection of Mg AZ31 alloy

Cited by 3 publications

References 61 publications

A Multifunctional Coating with Active Corrosion Protection Through a Synergistic pH‐ and Thermal‐Responsive Mechanism

A Multifunctional Coating with Active Corrosion Protection Through a Synergistic pH‐ and Thermal‐Responsive Mechanism

TiO2-Mesoporous Ceria Carrier Modified with Sodium Benzoate: An Innovative Polyurethane Matrix for Enhanced Corrosion Protection of steel

The influence of molecular weight on the anticorrosion properties of chitosan coatings

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