Lignin Based Flexible Electromagnetic Shielding PU Synergized with Graphite 


Vol. 22,  No. 1, pp. 1-8, Jan.  2021
10.1007/s12221-021-9227-6


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  Abstract

In this paper, lignin (L)-based polyurethane (FeGLPU) with excellent electromagnetic shielding properties was prepared and studied. The modified reduced iron powder was modified with KH550, and then the obtained modified reduced iron powder (Fe) was mixed with lignin, polyethylene glycol 200 (PEG200), hexamethylene diisocyanate (HDI) and graphite (G) to in-situ synthesize the FeGLPU. The thermal stability, mechanical properties, electronic conductivity, and morphology of the composite FeGLPU were characterized in detail. The electromagnetic interference shielding effectiveness (EMI SE) of FeGLPU was tested in the frequency range of 8.2-26.5 GHz. When the content of Fe and G was fixed at 10 % and the lignin content was 5 %, the maximum EMI SE was 21.6 dB, and the frequency width of EMI SE greater than 10 dB was 18.3 GHz. The conductivity was 4.27

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  Cite this article

[IEEE Style]

J. Zhang, Y. Qi, Y. Zhang, J. Duan, B. Liu, B. Liu, Z. Sun, Y. Xu, W. Hu, N. Zhang, "Lignin Based Flexible Electromagnetic Shielding PU Synergized with Graphite," Fibers and Polymers, vol. 22, no. 1, pp. 1-8, 2021. DOI: 10.1007/s12221-021-9227-6.

[ACM Style]

Jia Zhang, Yunxia Qi, Yumei Zhang, Jinchi Duan, Bairun Liu, Baijun Liu, Zhaoyan Sun, Yiquan Xu, Wei Hu, and Niaona Zhang. 2021. Lignin Based Flexible Electromagnetic Shielding PU Synergized with Graphite. Fibers and Polymers, 22, 1, (2021), 1-8. DOI: 10.1007/s12221-021-9227-6.

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