Research Progress in Electromagnetic Shielding Performance of Polymer/Carbon Fillers Foaming Composites

doi:10.19491/j.issn.1001-9278.2020.10.018

Abstract

Abstract:

In this paper， the research progress of polymer/carbon fillers foaming composites （PCFC） applied in the field of electromagnetic shielding was introduced. The effect of various carbon fillers （graphene， carbon nanotubes， carbon fibers） on the electromagnetic shielding performance of PCFC as well as their electromagnetic shielding mechanism were discussed systematically. Research demonstrated that the functionalization of carbon fillers， the regulation of cell structure， the design of multi level structures， the optimization of preparation process， etc. are effective approaches to improve the electromagnetic shielding performance of PCFC.

Key words: polymer, carbon filler, foaming composite, electromagnetic shielding performance, effect mechanism

CLC Number:

TQ 321

WANG Xingran, WANG Minghao, DUN Dongxing, LI Shanzhe, ZHANG Xuedong, ZHOU Hongfu. Research Progress in Electromagnetic Shielding Performance of Polymer/Carbon Fillers Foaming Composites[J]. China Plastics, 2020, 34(10): 110-118.

Figures/Tables 7

Fig.1. The technology applications of electromagnetic shielding materials

Fig.2. Effect mechanism of electromagnetic wave dissipation in PCFC

Fig.3. The changes of microstructure in PCFC with cell growth

Fig.4. SE of PEI/GnP foaming composites

Fig.5. Sandwich configurations of TPU/GnP foaming composites

Fig.6. Schematic diagram of the segregated conductive networks of PLA/ MWCNTs foaming composites

Fig.7. Schematic diagram of the electromagnetic wave dissipation mechanism of EP/NCCF/ACET foaming composites and EP/NCCF/CNTs foaming composites

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