Thermal Insulation Properties of Red Mud as a Functional Filler for Polymer Composites
| Authors | L. Melnyk1, O. Donii1 , V. Sviderskyy1, N. Kharchenko2, T. Hovorun2, R. Milotskyi3 |
| Affiliations |
1National Technical University of Ukraine “I. Sikorsky Kyiv Polytechnic Institute”, 03056 Kyiv, Ukraine 2Sumy State University, 40007 Sumy, Ukraine 3Kanazawa University, Kakuma-machi, 920-1192 Kanazawa, Japan |
| Е-mail | hovorun@pmtkm.sumdu.edu.ua |
| Issue | Volume 17, Year 2025, Number 1 |
| Dates | Received 04 January 2025; revised manuscript received 20 February 2025; published online 27 February 2025 |
| Citation | L. Melnyk, O. Donii, V. Sviderskyy, et al., J. Nano- Electron. Phys. 17 No 1, 01027 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(1).01027 |
| PACS Number(s) | 61.46. + w, 61.43.Gt, 73.63.Fg, 74.50. + r |
| Keywords | Waste utilization, Polymer composites, Thermal conductivity (3) . |
| Annotation |
The study focuses on addressing the issue of industrial waste utilization by integrating red mud (RM), a by-product of alumina production, and chamotte (Ра2) into polymer composites with an emphasis on their thermal insulation efficiency. RM and Ра2 were chosen as fillers due to their availability and unique properties. RM with thermal conductivity of 0.2651 W/m·K and Ра2 with thermal conductivity of 0.2643 W/m·K were incorporated into a styrene-butadiene copolymer matrix (Latex 2012) to create composites with filler concentrations of 65-90 wt. %. Thermal conductivity measurements performed using the IT-λ-400 analyzer showed that composites with 90 wt. % RM and Ра2 had thermal conductivities of 0.58 and 0.53 W/m·K, respectively. Modeling conducted using Hashin-Shtrikman and Maxwell-Eucken models confirmed the suitability of these approaches for predicting the thermal conductivity of systems with high filler content. The results highlight the potential for reusing RM as an effective filler for polymer composites, contributing to reduced environmental impact and the development of materials with high functional performance. |
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List of References |
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