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| Ma W, Zhang W, Zhao Y, et al. Preparation and assessment of a self‐healing material based on microcapsules filled with ethyl phenylacetate[J]. Journal of Applied Polymer Science, 2016. |
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SCI检索： Preparation and assessment of a self-healing material based on microcapsules filled with ethyl phenylacetate 作者:Ma, WP (Ma, Wanpeng)[ 1 ] ; Zhang, W (Zhang, Wei)[ 1 ] ; Zhao, Y (Zhao, Yang)[ 1 ] ; Yu, HL (Yu, Helong)[ 1 ] JOURNAL OF APPLIED POLYMER SCIENCE 卷: 133 期: 20 文献号: 43430 DOI: 10.1002/APP.43430 出版年: MAY 20 2016 查看期刊信息 JOURNAL OF APPLIED POLYMER SCIENCE 出版商 WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA ISSN: 0021-8995 eISSN: 1097-4628 研究领域 Polymer Science 摘要 A self-healing material was developed on the basis of a biological system. The self-healing epoxy resin, which incorporated microcapsules filled with ethyl phenylacetate (EPA), was investigated. The microcapsules were prepared by an in situ polymerization method. The microcapsule-formation process was monitored by optical microscopy, and the surface morphology was observed by scanning electron microscopy (SEM). The self-healing performance of the epoxy resin was assessed by manual and in situ healing experiments. We investigated the effects of the healing time, amount of EPA, and degree of curing of matrix on the healing performance by manually injecting EPA into the crack plane. The maximum healing efficiency was obtained within 24 h. The swelling curve was overlaid onto the healed load plot; this indicated that crack healing was achieved as a result of solvent diffusion. The healing load reached the maximum value when the amount of EPA was 0.5 mu L and was capable of filling the crack volume. Moreover, the healing performance was related to the degree of swelling. The in situ healing efficiency was dependent on the microcapsule concentration. The fracture toughness could be fully restored when the microcapsule concentration was 10%. Finally, the crack interface was analyzed with SEM. The results show that the fracture line was difficult to detect, and this suggested complete crack healing by EPA. (C) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43430. 关键词 作者关键词:biomaterials; biomimetic; stimuli-sensitive polymers; swelling; thermosets KeyWords Plus  OLYMERIC MATERIALS; FATIGUE RESPONSE; EPOXY; COMPOSITES; KINETICS; DICYCLOPENTADIENE; HEALANT; RESTORATION; MORPHOLOGY; STRENGTH 作者信息 通讯作者地址: Zhang, W (通讯作者) Acad Armored Forces Engn, Sci & Technol Remanufacturing Lab, Beijing 100072, Peoples R China. 增强组织信息的名称 Academy of Armored Forces Engineering - China 地址: [ 1 ] Acad Armored Forces Engn, Sci & Technol Remanufacturing Lab, Beijing 100072, Peoples R China 增强组织信息的名称 Academy of Armored Forces Engineering - China 电子邮件地址:zhangwei18@hotmail.com 基金资助致谢 基金资助机构 授权号 Natural Science Foundation of China 50775222 查看基金资助信息关闭基金资助信息 The work was supported by the Natural Science Foundation of China (contract grant number 50775222). The authors thank Xiaodi Liu for helpful technical support. 出版商 WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA 类别 / 分类 研究方向 olymer ScienceWeb of Science 类别 olymer Science文献信息 文献类型:Article 语种:English 入藏号: WOS:000371253300018 ISSN: 0021-8995 eISSN: 1097-4628 期刊信息 目录： Current Contents Connect® 其他信息 IDS 号: DF3OE Web of Science 核心合集中的 "引用的参考文献": 40 Web of Science 核心合集中的 "被引频次": 0 影响因子 1.768 1.662 2014 5 年 JCR® 类别 类别中的排序 JCR 分区 POLYMER SCIENCE 35/82 Q2 数据来自第 2014 版 Journal Citation Reports® |
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