Issue 50, 2022

Research advances in UV-curable self-healing coatings

Abstract

Self-healing is the ability of a material to recover from physical damage. Because self-healing is crucial to environmental protection and sustainable development, several photochemical approaches, including those involving disulfide group, reversible Diels–Alder reaction, hydrogen bond cleavage, reformation, photo dimerization, and self-filling system, have been used to develop self-healing coating. In this review, the similarities and differences among the approaches to achieving self-healing in synthetic coatings, particularly the approaches related to the preparation, self-healing mechanism, and self-healing efficiency of the coating, are described. Potential future development and application of photochemical approaches to the synthesis of self-healing coating are also discussed.

Graphical abstract: Research advances in UV-curable self-healing coatings

Article information

Article type
Review Article
Submitted
27 Sep 2022
Accepted
24 Oct 2022
First published
11 Nov 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 32429-32439

Research advances in UV-curable self-healing coatings

Z. Guo, RSC Adv., 2022, 12, 32429 DOI: 10.1039/D2RA06089B

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