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LIGHTWEIGHT, FLEXIBLE AND HIGH-PERFORMANCE NANOCOMPOSITES BASED ON REDUCED GRAPHENE OXIDE AND SPINEL FERRITE (ZNFE2O4 / COFE2O4) NANOPARTICLES IN THERMOPLASTIC POLYURETHANE MATRIX FOR ELECTROMAGNETIC INTERFERENCE SHIELDING APPLICATIONS

1 ANJU *
Co-authors:
1 SINGH YADAV Raghvendra 1 KURITKA Ivo 1 VILCAKOVA Jarmila 1 SKODA David 1 URBANEK Pavel 1 MACHOVSKY Michal 1 MASAR Milan 1 URBANEK Michal
Institution:
1 Centre of Polymer Systems, University Institute, Tomas Bata University in Zlín, Czech Republic, EU, deswal@utb.cz
Conference:
13th International Conference on Nanomaterials - Research & Application, Orea Congress Hotel Brno, Czech Republic, EU, October 20 - 22, 2021
Proceedings:
Proceedings 13th International Conference on Nanomaterials - Research & Application
Pages:
59-64
ISBN:
978-80-88365-00-6
ISSN:
2694-930X
DOI:
https://doi.org/10.37904/nanocon.2021.4323
Published:
22nd November 2021
Proceedings of the conference were published in Scopus.
Metrics:
752 views / 662 downloads
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Abstract

Lightweight and flexible material with enhanced electromagnetic interference shielding effectiveness is highly in demand in the electronics and communication industry. Herein, we synthesized CoFe2O4 and ZnFe2O4 nanoparticles using the sonochemical method, and further, these nanoparticles were embedded inside thermoplastic polyurethane (TPU) along with reduced graphene oxide (rGO) by a melt-mixing approach using a microcompounder. CoFe2O4 or ZnFe2O4 nanocomposites in the TPU matrix with rGO showed outstanding electromagnetic shielding performance having a constant thickness of 0.80 mm, only. The maximum total shielding effectiveness (SET) was 48.3 dB for ZnFe2O4 nanocomposite and 50.76 dB for CoFe2O4 nanocomposite. These results indicate that the developed nanocomposite can be potentially utilized for electromagnetic shielding applications.

Keywords: Nanocomposites, Electromagnetic Interference Shielding, Graphene, Spinel ferrites, Thermoplastic Polyurethane

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