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Cooperative self-healing performance of shape memory polyurethane and Alodine-containing microcapsules
Fan, Weijie1,2; Li, Weihua1; Zhang, Yong3; Wang, Wei1; Zhang, Xiaoying1; Song, Liying1; Liu, Xiaojie1
2017
发表期刊RSC ADVANCES
卷号7期号:74页码:46767-46776
文章类型Article
摘要In this study, a method to prepare self-healing coatings by incorporating Alodine-containing microcapsules as fillers in Shape Memory Polyurethane (SMPU) was presented. Toluene diisocyanate (TDI) prepolymer was prepared for the microcapsule shells, while a healing agent (Alodine 5200) was selected for the core. SMPU with polyethylene glycol (PEG) as the soft segments and isophorone diisocyanate (IPDI) and 2,2-hydroxymethyl butyric acid (DMBA) as the hard segments were synthesized as main film-formers. A set of techniques including Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), electrochemical impedance spectroscopy (EIS), Scanning Kelvin Probe (SKP), and optical microscopy were used to completely characterize their self-healing performance on Al 7B04 T74 aluminum alloy surfaces. The study on the self-healing mechanism indicated that the self-healing process can be divided into two stages, and there was enormous potential for repairing large cracks with this technique.
DOI10.1039/c7ra09017j
收录类别SCI
语种英语
WOS记录号WOS:000412451500029
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/143218
专题海洋腐蚀与防护研究发展中心
实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Naval Aeronaut Univ, Qingdao Branch, Qingdao 266041, Peoples R China
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GB/T 7714
Fan, Weijie,Li, Weihua,Zhang, Yong,et al. Cooperative self-healing performance of shape memory polyurethane and Alodine-containing microcapsules[J]. RSC ADVANCES,2017,7(74):46767-46776.
APA Fan, Weijie.,Li, Weihua.,Zhang, Yong.,Wang, Wei.,Zhang, Xiaoying.,...&Liu, Xiaojie.(2017).Cooperative self-healing performance of shape memory polyurethane and Alodine-containing microcapsules.RSC ADVANCES,7(74),46767-46776.
MLA Fan, Weijie,et al."Cooperative self-healing performance of shape memory polyurethane and Alodine-containing microcapsules".RSC ADVANCES 7.74(2017):46767-46776.
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