NDLI: Bio-Based Eucommia ulmoides Gum Composites with High Electromagnetic Interference Shielding Performance

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Bio-Based Eucommia ulmoides Gum Composites with High Electromagnetic Interference Shielding Performance

Content Provider	MDPI
Author	Kang, Hailan Luo, Sen Du, Hongyang Han, Lishuo Li, Donghan Li, Long Fang, Qinghong
Copyright Year	2022
Description	Herein, high-performance electromagnetic interference (EMI) shielding bio-based composites were prepared by using EUG (Eucommia ulmoides gum) with a crystalline structure as the matrix and carbon nanotube (CNT)/graphene nanoplatelet (GNP) hybrids as the conductive fillers. The morphology of the CNT/GNP hybrids in the CNT/GNP/EUG composites showed the uniform distribution of CNTs and GNPs in EUG, forming a denser filler network, which afforded improved conductivity and EMI shielding effect compared with pure EUG. Accordingly, EMI shielding effectiveness values of the CNT/GNP/EUG composites reached 42 dB in the X-band frequency range, meeting the EMI shielding requirements for commercial products. Electromagnetic waves were mainly absorbed via conduction losses, multiple reflections from interfaces and interfacial dipole relaxation losses. Moreover, the CNT/GNP/EUG composites exhibited attractive mechanical properties and high thermal stability. The combination of excellent EMI shielding performance and attractive mechanical properties render the as-prepared CNT/GNP/EUG composites attractive candidates for various applications.
Starting Page	970
e-ISSN	20734360
DOI	10.3390/polym14050970
Journal	Polymers
Issue Number	5
Volume Number	14
Language	English
Publisher	MDPI
Publisher Date	2022-02-28
Access Restriction	Open
Subject Keyword	Polymers Eucommia Ulmoides Gum Carbon Nanotubes Graphene Electromagnetic Shielding
Content Type	Text
Resource Type	Article

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