Investigation of shielding properties of conductive cotton composite fabric materials against electromagnetic waves
Abstract
Electromagnetic waves are energy carriers formed by combining electric and magnetic fields. Today, shielding methods have been developed to protect against these electromagnetic fields created by the growing technology causing Electromagnetic interference (EMI). In this study, one of the most widely used plant-based fibers, cotton fabric, was chosen to prepare a conductive and magnetic natural composite material to shield against EMI. For this purpose, cotton fabrics were chemically and physically modified in two consecutive steps. In the first step, the conductive PAn/Cu/cotton composites were prepared by in situ oxidative polymerization of aniline in aqueous acidic media using ammonium persulfate (APS) oxidant and Cu(I) ions in the presence of cotton fabrics, resulting in the coating of both conductive polyaniline (PAn) and reduced Cu particles on the surfaces. In the second step, the physical deposition of individually synthesized magnetic Fe3O4 particles on PAn/Cu/Cotton composites was also achieved. The imparted electrical, structural, wettability, and morphological properties were investigated by surface resistivity measurement and SEM techniques, respectively. Finally, the prepared composites' electromagnetic wave shielding properties (EMSE) were examined in the range of 15 MHz-3 GHz, and it was observed that the composite with the highest conductivity provided 60% absorption-based protection.
Keywords
Electromagnetic shielding effectiveness magnetic ferrite particles polyaniline copper particles
Ethical Statement
The authors declare that there is no conflict of interest between the authors.
Supporting Institution
TÜBİTAK
Project Number
TÜBİTAK 2209
Thanks
TÜBİTAK 2209-A University Students Research Projects Support Program financially supports this study. The authors thank TÜBİTAK for their support.
References
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Abstract
Project Number
TÜBİTAK 2209
References
- Zamanian, A., Hardiman, C., Electromagnetic radiation and human health: A review of sources and effects. High Frequency Electronics 4 (3) (2005), 16-26.
- Wang, G., Ong, S.J.H., Zhao, Y., Xu, Z.J., Ji, G., Integrated multifunctional macrostructures for electromagnetic wave absorption and shielding. Journal of Materials Chemistry A 8 (46) (2020), 24368-24387.
- Yörük, A. E., Erdoğan, M.K., Karakışla, M., Saçak, M., Deposition of electrically-conductive polyaniline/ferrite nanoparticles onto the polypropylene nonwoven for the development of an electromagnetic interference shield material. The Journal of The Textile Institute 113 (12) (2022), 2660-2672.
- Kalkan Erdoğan, M., Karakışla, M., Saçak, M., Polypyrrole and silver particles coated poly (ethylene terephthalate) nonwoven composite for electromagnetic interference shielding. Journal of Composite Materials 52 (10) (2018), 1353-1362.
- Erdoğan, M.K., Karakişla, M., Saçak, M., Preparation, characterization and electromagnetic shielding effectiveness of conductive polythiophene/poly (ethylene terephthalate) composite fibers. Journal of Macromolecular Science, Part A 49 (6) (2012), 473-482.
- Erdoğan, M.K., Saçak, M., Electromagnetic shielding effectiveness of polyaniline/modified-poly (vinyl alcohol) film composite. Gazi University Journal of Science 34 (2) (2020), 381-394.
- Al-Oqla, F.M., Sapuan, S.M., Anwer, T., Jawaid, M., Hoque, M.E., Natural fiber reinforced conductive polymer composites as functional materials: A review. Synthetic Metals 206 (2015), 42-54.
- Riaz, U., Nwaoha, C., Ashraf, S.M., Laboratory, M.R., Recent advances in corrosion protective composite coatings based on conducting polymers and natural resource derived polymers. Progress in Organic Coatings 77 (4) (2014), 743-756.
- Babayan, V., Kazantseva, N.E., Moučka, R., Stejskal, J., Electromagnetic shielding of polypyrrole–sawdust composites: polypyrrole globules and nanotubes. Cellulose 24 (2017), 3445-3451.
- Aniołczyk, H., Koprowska, J., Mamrot, P., Lichawska, J., Application of electrically conductive textiles as electromagnetic shields in physiotherapy. Fibres & Textiles in Eastern Europe 4 (48) (2004), 47-50.
- Pron, A., Genoud, F., Menardo, C., Nechtschein, M., The effect of the oxidation conditions on the chemical polymerization of polyaniline. Synthetic metals 24 (3) (1988), 193-201.
- Cao, Y., Andreatta, A., Heeger, A.J., Smith, P., Influence of chemical polymerization conditions on the properties of polyaniline. Polymer 30 (12) (1989), 2305-2311.
- Joseph, N., Varghese, J., Sebastian, M.T., In situ polymerized polyaniline nanofiber-based functional cotton and nylon fabrics as millimeter-wave absorbers. Polymer Journal 49 (4) (2017), 391-399.
Details
| Primary Language | English |
|---|---|
| Subjects | Macromolecular Materials, Polymerisation Mechanisms, Macromolecular and Materials Chemistry (Other) |
| Journal Section | Research Articles |
| Authors | |
| Project Number | TÜBİTAK 2209 |
| Publication Date | |
| Submission Date | December 13, 2023 |
| Acceptance Date | January 16, 2024 |
| Published in Issue | Year 2024 Volume: 66 Issue: 1 |
Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
This work is licensed under a Creative Commons Attribution 4.0 International License.