Excellent electromagnetic interference shielding of multi-layered thermoplastic poly-urethane nanocomposites with CoFe2O4 nanoparticles and graphite

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F25%3A63593399" target="_blank" >RIV/70883521:28610/25:63593399 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/article/10.1007/s42114-024-01155-3" target="_blank" >https://link.springer.com/article/10.1007/s42114-024-01155-3</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s42114-024-01155-3" target="_blank" >10.1007/s42114-024-01155-3</a>

Result language
angličtina
Original language name
Excellent electromagnetic interference shielding of multi-layered thermoplastic poly-urethane nanocomposites with CoFe2O4 nanoparticles and graphite
Original language description
This work presents the design and development of multi-layered polymer-based nanocomposites that effectively block electromagnetic (EM) radiation by incorporating magnetic CoFe2O4 nanoparticles (NPs) and conductive graphite on a thermoplastic polyurethane (TPU) matrix. The sonochemical method was employed to produce CoFe2O4 NPs with a high degree of purity. The melt mixing process followed by compression molding was utilized to generate individual layers of TPU containing CoFe2O4 NPs (F-TPU) and graphite (G-TPU) at a thickness of around 0.8 mm. Further, three mono-layers of either F-TPU or G-TPU were stacked in an identical and alternating fashion to create TPU-based multi-layered nanocomposites F/F/F, G/G/G, F/G/F, and G/F/G, respectively. The electromagnetic interference (EMI) total shielding effectiveness (SET) in the X-band frequency range of 8.2–12.4 GHz was investigated and observed to be 3.7 dB, 33.8 dB, 23.9 dB, and 54.0 dB for F/F/F, G/G/G, F/G/F, and G/F/G, respectively. This research offers a guide for engineers looking to create superior EMI shielding materials, which have potential uses in radar security and information communications.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Project
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Continuities
S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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