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The influence of size and healing content on the performance of extrinsic self‐healing coatings
Author(s) -
Malekkhouyan Roya,
Neisiany Rasoul Esmaeely,
Khorasani Saied Nouri,
Das Oisik,
Berto Filippo,
Ramakrishna Seeram
Publication year - 2021
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.49964
Subject(s) - materials science , self healing , durability , coating , service life , composite material , nanotechnology , medicine , alternative medicine , pathology
Abstract 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.