ArticleInternational journal of molecular sciences2023
Preparation of a Mussel-Inspired Supramolecular Polymer Coating Containing Graphene Oxide on Magnesium Alloys with Anti-Corrosion and Self-Healing Properties.
Article in International journal of molecular sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Superhydrophobic Wearable Strain Sensors: From Strategic Design to Robustness Paradigm.Nano-micro letters · 2026Review
- Study on the Wear and Corrosion Resistance of PEO/SAM/MWCNTs Composite Coating on TC4/Mg Interpenetrating Composite.Materials (Basel, Switzerland) · 2026Article
- Advances in Phase Change Materials for Thermal Energy Storage and Management: Challenges and Enhancement Strategies.ACS omega · 2026Review
- Article
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Authors and funding
5 authors.
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Abstract
Herein, we present a mussel-inspired supramolecular polymer coating to improve the an-ti-corrosion and self-healing properties of an AZ31B magnesium alloy. A self-assembled coating of polyethyleneimine (PEI) and polyacrylic acid (PAA) is a supramolecular aggregate that takes advantage of the weak interaction of non-covalent bonds between molecules. The cerium-based conversion layers overcome the corrosion problem between the coating and the substrate. Catechol mimics mussel proteins to form adherent polymer coatings. Chains of PEI and PAA interact electrostatically at high density, forming a dynamic binding that causes strand entanglement, enabling the rapid self-healing properties of a supramolecular polymer. The addition of graphene oxide (GO) as an anti-corrosive filler gives the supramolecular polymer coating a superior barrier and impermeability properties. The results of EIS revealed that a direct coating of PEI and PAA accelerates the corrosion of magnesium alloys; the impedance modulus of a PEI and PAA coating is only 7.4 × 10
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