Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 138, Issue 10, Pages -Publisher
WILEY
DOI: 10.1002/app.49964
Keywords
coatings; surfaces and interfaces; resins
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The development of self-healing polymeric coatings is crucial for improving the reliability and durability of conventional polymeric coatings, but factors such as the size and content of the healing system significantly impact the healing performance.
Among the several approaches for the protection of metallic structures from corrosion, covering with a polymeric coating has attracted more attention due to their convenient application, cost-effective price, and the relatively benign environmental impact. However, the polymeric coatings are sensitive to mechanical/thermal shocks and aggressive environments, leading to damages in the coatings that affect their barrier performance. Self-healing polymeric coatings have introduced remarkable development by extending the service life and reducing maintenance costs, leading to a significant boost in the reliability and durability of the conventional polymeric coatings. Among the different strategies to develop self-polymeric coatings, encapsulating healing agent within micro/nanocapsules, micro/nanofibers, and microvascular systems and incorporating them within the conventional coatings have been widely acknowledged as the most applicable approach. However, several factors, such as the effect of the healing system's size and content, have a significant influence on healing performance. Therefore, this review aims to reveal the effects of healing system size and healing content on the self-healing performance in polymeric coatings through the analysis of recently published articles.
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