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pH-Responsive Polymer Coatings for Reporting Early Stages of Metal Corrosion
Wang, Jun-Peng1,2; Song, Yan1; Wang, Jun-Kuo3; Zhou, Qiong3; Li, Zhan1; Han, Yongsheng1; Yang, Shuo1; Li, Guo Liang1,2; Qi, Tao1,2

Many systems benefit from the ability to autonomously signal the occurrence of damage. The development of smart polymer coatings on metals can address scientific challenges such as nondestructive detection of early corrosion to avoid further destruction of materials. Here, pH- responsive polymer coatings on metals such as steel, aluminum, magnesium, and copper alloys are reported. The defect areas of coatings can gradually exhibit strong fluorescence as the corrosion starts. Based on the fundamental understanding of electrochemical mechanisms in metal corrosion, the designed pH-responsive polymer coating is dormant before crack occurrence. However, the on-demand release of fluorescent molecules from nano-containersin coatings occurs as corrosion proceeds with increasing pH value by transformation into highly active fluorescence indication from the dormant state at the stage of corrosion commencement. The developed smart polymer coatings can report the corrosion caused by a coating failure which provides a new strategy for nondestructive corrosion detection.

KeywordCorrosion Detection Fluorescent Indication Ph-responsive Polymer Coatings Self-report Silica Nanorods
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI
WOS KeywordHighly Transparent ; Protection ; Nanocontainers ; Films
WOS Research AreaMaterials Science ; Polymer Science
WOS SubjectMaterials Science, Multidisciplinary ; Polymer Science
Funding OrganizationOne Hundred Talent Program of Chinese Academy of Sciences ; National Key Research and Development Plan(2016YFC0303700)
WOS IDWOS:000411764900011
Citation statistics
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.China Univ Petr, Dept Mat Sci & Engn, Beijing 102249, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jun-Peng,Song, Yan,Wang, Jun-Kuo,et al. pH-Responsive Polymer Coatings for Reporting Early Stages of Metal Corrosion[J]. MACROMOLECULAR MATERIALS AND ENGINEERING,2017,302(9).
APA Wang, Jun-Peng.,Song, Yan.,Wang, Jun-Kuo.,Zhou, Qiong.,Li, Zhan.,...&Qi, Tao.(2017).pH-Responsive Polymer Coatings for Reporting Early Stages of Metal Corrosion.MACROMOLECULAR MATERIALS AND ENGINEERING,302(9).
MLA Wang, Jun-Peng,et al."pH-Responsive Polymer Coatings for Reporting Early Stages of Metal Corrosion".MACROMOLECULAR MATERIALS AND ENGINEERING 302.9(2017).
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