Issue 43, 2018, Issue in Progress
From the journal:

RSC Advances

Oxidized multiwall carbon nanotube/silicone foam composites with effective electromagnetic interference shielding and high gamma radiation stability†

Furong Huang,a   Yimeng Wang,a   Peiyu Wang,b   Hui-ling Ma,c   Xibang Chen,a   Ke Cao,c   Yongmao Pei,b   Jing Peng,a   Jiuqiang Lia  and  Maolin Zhai ORCID logo *a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, The Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
E-mail: mlzhai@pku.edu.cn

b State Key Laboratory for Turbulence and Complex Systems, College of Engineering, Peking University, Beijing 100871, China

c Beijing Key Laboratory of Radiation Advanced Materials, Beijing Research Center for Radiation Application, Beijing 100015, China

Abstract

Oxidized multiwall carbon nanotubes (o-MWCNTs) were introduced into silicone foam to fabricate an electromagnetic interference (EMI) shielding material with high gamma radiation stability by solution casting followed by foaming and cross-linking reactions. The as-prepared o-MWCNT/silicone foam composites exhibited excellent mechanical strength and effective EMI shielding properties with superior EMI shielding effectiveness (SE) ranging from 26 to 73 dB at a 0.5–6.4 mm thickness with 30 wt% o-MWCNTs in the Ku band. Moreover, the composites have good gamma radiation stability, showing relatively stable EMI shielding properties and an improvement of hardness and pressure resistance after gamma irradiation with the absorbed dose of 500 kGy. These results indicate that the o-MWCNT/silicone foam composite is an attractive candidate for EMI shielding in some ionizing radiation environments.

Graphical abstract: Oxidized multiwall carbon nanotube/silicone foam composites with effective electromagnetic interference shielding and high gamma radiation stability

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Article information

DOI
https://doi.org/10.1039/C8RA03314E
Article type
Paper
Submitted
18 Apr 2018
Accepted
29 Jun 2018
First published
04 Jul 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 24236-24242

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Oxidized multiwall carbon nanotube/silicone foam composites with effective electromagnetic interference shielding and high gamma radiation stability

F. Huang, Y. Wang, P. Wang, H. Ma, X. Chen, K. Cao, Y. Pei, J. Peng, J. Li and M. Zhai, RSC Adv., 2018, 8, 24236 DOI: 10.1039/C8RA03314E

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