An effective and green H_2O_2/H_2O/O_3 oxidation method for carbon nanotube to reinforce epoxy resin
查看参考文献46篇
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文摘
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Facile green oxidation methods are always desired to functionalize carbon nanotubes (CNTs) in the production of advanced CNT/epoxy composites. In the present work, an optimized H_2O_2/H_2O/O_3 oxidation method was developed, and performances of the H_2O_2/H_2O/O_3 oxidized CNT in epoxy matrix were tested and compared with that of the H_2O/O_3 oxidized CNT and the most commonly used concentrated HNO_3 oxidized CNT. The physical and chemical characteristics of the obtained oxidized CNTs were systematically characterized via transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and Raman. Mechanical performances of the obtained composites were explored by tensile tests, impact tests, dynamic mechanical analysis (DMA) and fracture toughness tests. It was found that the H_2O_2/H_2O/O_3 oxidized CNT exhibited all-around overwhelming advantages over the concentrated HNO_3 oxidized CNT on reinforcing the epoxy matrix, while theH_2O/O_3 oxidized CNT only improved the material strength. Reinforcing mechanisms for the different methods oxidized CNTs were studied and compared. The optimized H_2O_2/H_2O/O_3 oxidation method makes scaled production possible, avoids environment pollutions, and holds great potentials to replace the most commonly used concentrated HNO_3 oxidation method to oxidize CNT during the preparation of the advanced CNT/epoxy composite. |
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来源
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Journal of Materials Science & Technology
,2020,40:24-30 【核心库】
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DOI
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10.1016/j.jmst.2019.08.038
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关键词
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Green oxidation method
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Carbon nanotube
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Epoxy composite
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Mechanical properties
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Interfacial interaction
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地址
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1.
School of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026
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Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016
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Shenyang National Laboratory for Materials Science, Shenyang National Laboratory for Materials Science, Shenyang, 110016
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Jiangsu Gunuo New Materials Technology Go., Ltd., Yancheng, 224051
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1005-0302 |
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学科
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一般工业技术;化学工业 |
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基金
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supported financially by the China Scholarship Council
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文献收藏号
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CSCD:6664529
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