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【2021年影响因子/JCR分区:8.301/Q1】《Materials Today Chemistry》Stimuli-Responsive Self-Healing Anticorrosion Coatings: from Single Triggering Behavior to Synergetic Multiple Protections
作者:Xue Fu, Limei Tian, Yong Fan, Wei Ye*, Zhen-An Qiao, Jie Zhao*, Luquan Ren, Weihua Ming
关键字:stimuli-response, metal anticorrosion, self-healing, controllable release, multifunctional
论文来源:期刊
发表时间:2021年


Abstract

As a notorious and ubiquitous destructive phenomenon, metal corrosion can cause huge economic losses, infrastructure failures and even industrial disasters. Tremendous efforts have been dedicated to intelligent self-healing coatings for corrosion inhibition at damaged sites, targeting for enhanced longevity, extensive adaptability of metal materials. Anticorrosion coating performing self-healing activities, by either healing coating defects or forming protective layer on corrosive parts, is quite attractive in metal-relevant applications. In this review, we mainly focus on stimuli-feedback anticorrosion coatings (SFACs), based on different triggering mechanisms to initiate self-healing behaviors. Stimuli-responsive smart systems, from single stimulus-response to synergetic multistimuli-response, act as a core concept both in controllable healing agent diffusion and increased availability of payloads for corroded area. Multifunctional stimuli-responsive self-healing coatings integrating with nonwettable property are also explored, which provide synergistic and diversified metal protections that are hard to actualize with a single action. Not only research progress of SFACs over the past few decades is reviewed in this article, and perspectives on future development of this field are also presented.