Properties of Epoxy Resin Based Composite Incorporated with Magnetically Functionalized Reduction Graphene Oxide

被引：0
|
作者：
Zeng Q. [1 ]
Wang R. [1 ]
Liu Q. [1 ]
Peng H. [1 ]
Chen P. [2 ]
机构：
[1] School of Chemistry and Environmental Science, Shangrao Normal University, Shangrao
[2] Key Laboratory of Materials Modification by Laser, Ion and Electron Beams of Ministry of Education, School of Chemical Engineering, Dalian University of Technology, Dalian
来源：
Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research | 2022年 / 36卷 / 12期
基金：
中国国家自然科学基金;
关键词：
composite; electromagnetic absorption properties; ferric oxide; modification; reduced graphene oxide;
D O I：
10.11901/1005.3093.2021.605
中图分类号：
学科分类号：
摘要：
The magnetic functionalized rGO/Fe3O4 was prepared by hydrothermal method with graphene oxide and ferric chloride as raw materials, and subsequently rGO/Fe3O4 particles were blend in epoxy resin to prepared composite rGO/Fe3O4/epoxy resin. The results show that the impact strength of rGO/Fe3O4/epoxy resin composites reaches 27 kJ/m2 when the addition amount of rGO/Fe3O4is 30%, which is 58.8% higher than that of the plain epoxy resin. In addition, the absorption performance of epoxy resin composite is significantly enhanced after the addition of rGO/Fe3O4. When the addition of rGO/Fe3O4 is 20%, the reflection loss of the rGO/Fe3O4/epoxy resin composite is less than −10 dB in the frequency range of 7.7~12.3 GHz. The effective absorption bandwidth (reflection loss<−10 dB) is up to 4.6 GHz, which covering the whole X-band. With the increase of graphene content, the position of the minimum reflection loss of rGO/Fe3O4/epoxy resin composites moves towards low-frequencies. It follows that by controlling the relative content of rGO and Fe3O4, the absorbing performance of rGO/Fe3O4/epoxy resin composites can be adjusted to the meet the requirements for materials of desired absorbing performance. © 2022 Chinese Journal of Materials Research. All rights reserved.
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页码：881 / 886
页数：5
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