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Erschienen in: Journal of Polymer Research 12/2021

01.12.2021 | Original paper

Thermally conducting hybrid polycarbonate composites with enhanced electromagnetic shielding efficiency

verfasst von: Subhransu S. Pradhan, Lakshmi Unnikrishnan, Smita Mohanty, Manoranjan Biswal, Sanjay K. Nayak

Erschienen in: Journal of Polymer Research | Ausgabe 12/2021

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Abstract

The recent work evaluates the effect of ethylene methacrylate (EMA) as an impact modifier and the hybrid filler constitutes graphite flakes (GF), multiwalled carbon nanotubes (MWCNT), and steel fibers (SF) for the development of polycarbonate (PC) based conducting composite with high thermal conductivity and EMI shielding. The samples were initially optimized based on their mechanical properties, which were further characterized by thermal conductivity (TC) and electromagnetic interference shielding effectiveness (EMI SE). The thermal conductivity of the polycarbonate (PC) nanocomposites was found to increase by ~ 451% and ~ 602% at a significantly higher filler loading of 20 wt% and 30 wt% respectively without any processing difficulties. Further, the EMI SE values of the same have been enhanced in the range of -40.2 dB and -46.4 dB respectively, which falls within the range of commercially acceptable limits. Nonetheless, the results were indicative of the creation of a conductive network through the matrix, the electron microscopic and diffractometric studies confirmed the optimum dispersion of the hybrid filler system within the PC matrix.

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Metadaten
Titel
Thermally conducting hybrid polycarbonate composites with enhanced electromagnetic shielding efficiency
verfasst von
Subhransu S. Pradhan
Lakshmi Unnikrishnan
Smita Mohanty
Manoranjan Biswal
Sanjay K. Nayak
Publikationsdatum
01.12.2021
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 12/2021
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-021-02823-4

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