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01-12-2023 | Original Paper

Fabrication of 2D nanomaterial reinforced co-continuous binary blend composites for thermal management and EMI shielding applications

Authors: Ankur Katheria, Palash Das, Suman Kumar Ghosh, Jasomati Nayak, Krishnendu Nath, Sangit Paul, Shovan Biswas, Narayan Ch. Das

Published in: Journal of Polymer Research | Issue 12/2023

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Abstract

Polymer nanocomposites have garnered significant interest for electromagnetic interference (EMI) shielding applications due to their lightweight, anticorrosive and tunable properties. Employing the solution blending technique, we have developed a composite material comprising an 80wt% EMA (Ethylene–Methyl Acrylate) and 20wt% TPO (Thermoplastic Polyolefin) co-continuous blend. The incorporation of Reduced Graphene Oxide (RGO) as a conductive filler is achieved through precise confinement within the EMA phase of the polymer matrix. The selective placement of the RGO nanosheets within the EMA phase results in a dual percolation phenomenon, significantly lowering the electrical percolation threshold. A notable EMI SE value of -29.66 dB and electrical conductivity of 10^–3 S/cm is acheived with the addition of 5wt% RGO. Further optimizing the composite, a loading of 15wt% RGO showcases an outstanding EMI SE of -39.06 dB. Moreover, this composite demonstrates commendable thermal conductivity of 0.75 W/m.K, alongside promising mechanical properties. The findings offer a promising avenue for the integration of this material in EMI-sensitive applications, particularly in the realms of stretchable and wearable electronics, offering effective thermal management and proficient microwave shielding capabilities.

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Title: Fabrication of 2D nanomaterial reinforced co-continuous binary blend composites for thermal management and EMI shielding applications
Authors: Ankur Katheria
Palash Das
Suman Kumar Ghosh
Jasomati Nayak
Krishnendu Nath
Sangit Paul
Shovan Biswas
Narayan Ch. Das
Publication date: 01-12-2023
Publisher: Springer Netherlands
Published in: Journal of Polymer Research / Issue 12/2023
Print ISSN: 1022-9760
Electronic ISSN: 1572-8935
DOI: https://doi.org/10.1007/s10965-023-03843-y

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