Fabrication of a flexible electromagnetic interference shielding Fe3O4@ reduced graphene oxide/natural rubber composite with segregated network

被引：304
作者：
Zhan, Yanhu [1 ]
Wang, Jian [2 ]
Zhang, Kaiye [2 ]
Li, Yuchao [1 ]
Meng, Yanyan [1 ]
Yan, Ning [3 ]
Wei, Wenkang [1 ]
Peng, Fubin [1 ]
Xia, Hesheng [2 ]
机构：
[1] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252059, Peoples R China
[2] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat Engn, Chengdu 610065, Sichuan, Peoples R China
[3] Xian Modern Chem Res Inst, Xian 710000, Shaanxi, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2018年 / 344卷
基金：
对外科技合作项目（国际科技项目）;
关键词：
Magnetite; Reduced graphene oxide; Natural rubber; Electromagnetic interference shielding; Segregated network; CARBON-NANOTUBE; MICROWAVE-ABSORPTION; WAVE ABSORPTION; ELECTRICAL-CONDUCTIVITY; MECHANICAL-PROPERTIES; HYBRID MATERIAL; NANOCOMPOSITES; PERFORMANCE; NANOPARTICLES; POLYANILINE;
D O I：
10.1016/j.cej.2018.03.085
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Flexible natural rubber/magnetic iron oxide (Fe3O4)@ reduced graphene oxide (NRMG) composites with segregated structure were prepared by a self-assembly method in latex. Various characterization techniques were employed to verify the successful preparation of Fe3O4@ rGO and the formation of segregated structure within the bulk composites. Compared with natural rubber/reduced graphene oxide (NRG) composites, the presence of Fe3O4 enhances the electromagnetic interference shielding effectiveness (EMI SE) of NRMG composites. The EMI SE value of NRMG composite with 10 phr (part per hundred parts of rubber) rGO is 1.4 times higher than that of NRG composite with the same rGO content in the frequency range of 8.2-12.4 GHz. The specific EMI SE of NRMG composite reaches 26.4 dBmm-1, outperforming the ever-reported polymer/Fe3O4@ rGO composites with low rGO content. Excitingly, the EMI SE of NRMG composite decreases only 3.5% even after 2000 bendingrelease cycles, demonstrating potential applications in flexible shielding materials.
引用
收藏
页码：184 / 193
页数：10
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