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Erschienen in: Wood Science and Technology 6/2023

03.11.2023 | Original

Electromagnetic shielding and fire-retardant wood obtained by in situ aniline polymerization

verfasst von: Zhichen Ba, Daxin Liang, Zefang Xiao, Yonggui Wang, Haigang Wang, Yanjun Xie

Erschienen in: Wood Science and Technology | Ausgabe 6/2023

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Abstract

In living spaces where wood is commonly used for both construction and decoration, it is crucial to minimize electromagnetic pollution and the risk of fire. In this study, we applied aniline treatment to wood in situ and examined its impact on electromagnetic shielding and fire resistance. By enabling in situ polymerization and the deposition of polyaniline particles within the wood, we enhanced the wood’s conductivity while maintaining its porous structure, thereby improving its ability to absorb microwaves. The results indicated that wood species with low density exhibited higher electromagnetic shielding efficiency after treatment due to their greater polyaniline loading. Specifically, an specific electromagnetic shielding efficiency up to 65.8 dB cm−3 g−1 was achieved on the cross sections of treated wood. Furthermore, the total heat release and smoke production decreased by 43.9% and 66.7%, respectively, while the wood char mass increased by 66.3%. The results demonstrated that polyaniline-treated wood with bifunctional features could serve as a promising candidate in this field.

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Literatur
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Zurück zum Zitat Gan W, Chen C, Wang Z, Pei Y, Ping W, Xiao S, Dai J, Yao Y, He S, Zhao B, Das S, Yang B, Sunderland P, Hu L (2020b) Fire-resistant structural material enabled by an anisotropic thermally conductive hexagonal boron nitride coating. Adv Funct Mater 30(10):1909196. https://doi.org/10.1002/adfm.201909196CrossRef Gan W, Chen C, Wang Z, Pei Y, Ping W, Xiao S, Dai J, Yao Y, He S, Zhao B, Das S, Yang B, Sunderland P, Hu L (2020b) Fire-resistant structural material enabled by an anisotropic thermally conductive hexagonal boron nitride coating. Adv Funct Mater 30(10):1909196. https://​doi.​org/​10.​1002/​adfm.​201909196CrossRef
Zurück zum Zitat Sun R, Zhang H, Liu J, Xie X, Yang R, Li Y, Hong S, Yu Z (2017) Highly conductive transition metal carbide/carbonitride(MXene)@polystyrene nanocomposites fabricated by electrostatic assembly for highly efficient electromagnetic interference shielding. Adv Funct Mater 27(45):1702807. https://doi.org/10.1002/adfm.201702807CrossRef Sun R, Zhang H, Liu J, Xie X, Yang R, Li Y, Hong S, Yu Z (2017) Highly conductive transition metal carbide/carbonitride(MXene)@polystyrene nanocomposites fabricated by electrostatic assembly for highly efficient electromagnetic interference shielding. Adv Funct Mater 27(45):1702807. https://​doi.​org/​10.​1002/​adfm.​201702807CrossRef
Metadaten
Titel
Electromagnetic shielding and fire-retardant wood obtained by in situ aniline polymerization
verfasst von
Zhichen Ba
Daxin Liang
Zefang Xiao
Yonggui Wang
Haigang Wang
Yanjun Xie
Publikationsdatum
03.11.2023
Verlag
Springer Berlin Heidelberg
Erschienen in
Wood Science and Technology / Ausgabe 6/2023
Print ISSN: 0043-7719
Elektronische ISSN: 1432-5225
DOI
https://doi.org/10.1007/s00226-023-01504-3

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