Novel 3D network porous graphene nanoplatelets/Fe3O4/epoxy nanocomposites with enhanced electromagnetic interference shielding efficiency

被引：62
|
作者：
Liu, Haijun [1 ,2 ]
Liang, Caizhen [1 ,2 ]
Chen, Jianjun [1 ,2 ]
Huang, Yuewen [1 ,3 ]
Cheng, Fei [1 ,2 ]
Wen, Fubin [1 ,2 ]
Xu, Bingbing [1 ,2 ]
Wang, Bin [1 ,3 ]
机构：
[1] Chinese Acad Sci, Key Lab Cellulose & Lignocellulos Chem, Guangzhou Inst Chem, Guangzhou 510650, Guangdong, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
[3] Guangdong Prov Engn & Technol Res Ctr Fine Chem C, Guangzhou 510650, Guangdong, Peoples R China
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2019年 / 169卷
关键词：
Nano composites; Polymer-matrix composites (PMCs); Electrical properties; COMPOSITES; FOAMS; FABRICATION; LIGHTWEIGHT; HYBRID;
D O I：
10.1016/j.compscitech.2018.11.005
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In this work, a novel and facile technique, epoxy-water-inorganic filler suspended emulsion polymerization, was proposed to fabricate 3D network porous graphene nanoplatelet (GNP)/Fe3O4/epoxy nanocomposites with low density of 0.34-0.73 g/cm(3). The obtained porous nanocomposite with 7 wt% graphene nanoplatelets and 7 wt% Fe3O4 nanoparticles loading exhibited satisfactory specific electromagnetic interference (EMI) shieling effectiveness of similar to 37.03 dB/(g/cm(3)), which was much higher than that of the solid counterparts (28.30 dB/(g/cm(3))). In addition, the porous GNP/Fe3O4/epoxy nanocomposites also possessed outstanding thermal stability and mechanical property, which makes it a potential EMI shielding material in the fields of aerospace and electronic industries.
引用
收藏
页码：103 / 109
页数：7
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