Nanomaterials for Self-Healing Coatings

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 2582

Special Issue Editor

College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
Interests: nanomaterials and porous materials; coatings and surface modification; corrosion protection; organic coatings

Special Issue Information

Dear Colleagues,

Nanomaterials are widely used in the development of self-healing coatings. Once the coating is damaged, the nanomaterials added to the coatings can realize the controlled release of healing agents (corrosion inhibitor, hydrophobic agent and anti-fouling agent) to effectively repair the damaged area, which is the main strategy of constructing self-healing coatings at present. Furthermore, nanomaterials prepared by precise design also show great potential in improving the dispersion of fillers in self-healing coatings, enhancing the barrier properties of self-healing coatings, realizing the versatility of self-healing coatings and promoting the intellectualization of self-healing coatings.

This Special Issue aims to introduce the theoretical developments and practical applications of nanomaterials in self-healing coatings. We are pleased to invite authors to contribute their recent findings in relevant fields and submit original research articles and reviews.

Best regards,

Dr. Yanli Wang
Guest Editor

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Keywords

  • nanomaterials
  • nanocontainer
  • self-healing
  • coating
  • interface
  • corrosion protection
  • anti-fouling
  • anti-icing
  • superhydrophobicity

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Published Papers (1 paper)

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Research

21 pages, 13432 KiB  
Article
pH-Responsive Graphene Oxide-Based 2D/3D Composite for Enhancing Anti-Corrosion Properties of Epoxy Coating
by Jian Wang, Yangyang Cao, Jieru Wan, Meng Zhang, Yunqiang Li, Yanli Wang, Dalei Song, Tao Zhang and Jun Wang
Nanomaterials 2024, 14(4), 323; https://doi.org/10.3390/nano14040323 - 6 Feb 2024
Cited by 7 | Viewed by 2144
Abstract
The functionalized graphene oxide (GO)-based composites as fillers added into organic coatings are desired for realizing the longstanding corrosion protection of carbon steel. Here, the pH-responsive two-dimensional/three-dimensional (2D/3D) GO-based composite (ZIF–90–AAP/GO) was developed by environmentally friendly corrosion inhibitor 4-aminoantipyrine (AAP) anchored on the [...] Read more.
The functionalized graphene oxide (GO)-based composites as fillers added into organic coatings are desired for realizing the longstanding corrosion protection of carbon steel. Here, the pH-responsive two-dimensional/three-dimensional (2D/3D) GO-based composite (ZIF–90–AAP/GO) was developed by environmentally friendly corrosion inhibitor 4-aminoantipyrine (AAP) anchored on the in situ growth of zeolite imidazolate framework–90 (ZIF–90) on the GO surface (ZIF–90/GO) through the Schiff base reaction. The active filler (ZIF–90–AAP/GO) was incorporated into an epoxy coating (EP) to obtain a high-performance self-healing coating on the surface of carbon steel. ZIF–90–AAP can greatly improve dispersion and compatibility of GO in EP. The low-frequency impedance modulus of ZIF–90–AAP/GO–EP can still reach up to 1.35 × 1010 Ω⋅cm2 after 40 days, which is about three orders of magnitude higher than that of the EP containing GO (GO–EP) relying on its passive and active corrosion protection. Meanwhile, ZIF–90–AAP/GO–EP exhibits excellent self-healing performance. The self-healing rate of ZIF–90–AAP/GO changes from negative to positive after 24 h, which results from the effective corrosion inhibition activity of ZIF–90–AAP for carbon steel based on the pH-triggered controlled release of AAP. The developed pH-responsive 2D/3D GO-based composite coating is very attractive for the corrosion protection of carbon steel. Full article
(This article belongs to the Special Issue Nanomaterials for Self-Healing Coatings)
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