One-dimensional structured fillers as novel carriers for self-healing coatings: a comprehensive review

IF 2.3 4区材料科学 Q2 CHEMISTRY, APPLIED Journal of Coatings Technology and Research Pub Date : 2024-04-02 DOI:10.1007/s11998-024-00911-w

Hanhai Dong, Shanda Wang, Ke Yang, Yanru Chen

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Abstract

One-dimensional structured fillers play a crucial role in promoting the rapid and spontaneous healing of defects induced by damage in self-healing coatings. This innovative type of self-healing coating prevents the substrate material from corroding, thereby significantly extending its service life. The modification of self-healing coatings with one-dimensional structured fillers relies on functional additives to efficiently heal coating damage, distinguishing it from traditional approaches involving microcapsules and nanoencapsulated particles. The incorporation of advanced fillers not only enhances the local reconstruction efficiency and mechanical properties of the coating but also enables the coating to heal the damage repeatedly. In this paper, the latest research progress on one-dimensional structured fillers for self-healing coatings is reviewed from three aspects: types of functional fillers with one-dimensional structures, packaging processes for repairing agents in fillers, and self-healing mechanisms of the composite coating. Furthermore, future work has been proposed to address present problems in the research of one-dimensional structured filler-modified self-healing coatings.

Graphical abstract

One-dimensional structured fillers and their applications in self-healing composite coatings.

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一维结构填料作为自愈合涂层的新型载体：综合评述

一维结构填料在促进自愈合涂层中由损伤引起的缺陷快速自发愈合方面发挥着至关重要的作用。这种创新型自愈合涂层可防止基底材料腐蚀，从而大大延长其使用寿命。使用一维结构填料对自愈合涂层进行改性，依靠功能性添加剂来有效修复涂层损伤，这使其有别于使用微胶囊和纳米胶囊颗粒的传统方法。先进填料的加入不仅能提高涂层的局部重建效率和机械性能，还能使涂层反复愈合损伤。本文从一维结构功能填料的类型、填料中修复剂的封装工艺和复合涂层的自修复机理三个方面综述了用于自修复涂层的一维结构填料的最新研究进展。此外，还针对一维结构填料改性自愈合涂层研究中目前存在的问题提出了今后的工作建议。图文摘要一维结构填料及其在自愈合复合涂层中的应用。

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来源期刊

Journal of Coatings Technology and Research 工程技术-材料科学：膜

CiteScore

4.30

自引率

8.70%

发文量

130

审稿时长

2.5 months

期刊介绍： Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.