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题名: Cooperative self-healing performance of shape memory polyurethane and Alodine-containing microcapsules
作者: Fan, Weijie1,2; Li, Weihua1; Zhang, Yong3; Wang, Wei1; Zhang, Xiaoying1; Song, Liying1; Liu, Xiaojie1
刊名: RSC ADVANCES
出版日期: 2017
卷号: 7, 期号:74, 页码:46767-46776
DOI: 10.1039/c7ra09017j
文章类型: Article
英文摘要: 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000412451500029
Citation statistics:
内容类型: 期刊论文
版本: 出版稿
URI标识: http://ir.qdio.ac.cn/handle/337002/143218
Appears in Collections:海洋腐蚀与防护研究发展中心_期刊论文

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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

Recommended Citation:
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.
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