Performance Assessment of Recycled Polymer Composites with Multi-Walled Carbon Nanotubes
| Authors | Firas Tayseer Ayasrah1 , P. William2,3, Mohammed Almakki4 , Kalpana G. Joshi5, Shanthi Kumaraguru6, Shashikant Raghunathrao Deshmukh7, Ritesh Ravindra Agwan5 |
| Affiliations |
1College of Education, Humanities and Science, Al Ain University, Al Ain, United Arab Emirates 2School of Computer Science and Technology, Karunya Institute of Technology and Sciences (Deemed University),641114 Coimbatore, India 3Centre for Research and Consultancy, UNITAR International University, 47301 Selangor, Malaysia 4School of Engineering, Architecture and Interior Design, Amity University Dubai, P.O. Box 345019, Dubai International Academic City, United Arab Emirates 5School of Engineering and Technology, Sanjivani University, Kopargaon, MH, India 6Department of Information Technology, D Y Patil College of Engineering, Akurdi, Pune, India 7Department of Computer Engineering, Sanjivani College of Engineering, Kopargaon, MH, India |
| Е-mail | williamacads@gmail.com |
| Issue | Volume 18, Year 2026, Number 5 |
| Dates | Received 05 June 2026; revised manuscript received 20 October 2026; published online 28 October 2026 |
| Citation | Firas Tayseer Ayasrah, P. William, et al., J. Nano- Electron. Phys. 18 No 5, 05021 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(5).05021 |
| PACS Number(s) | 61.48.De, 71.20.Rv |
| Keywords | Recycled polymer composites, Multi-walled carbon nanotubes, Epoxy, Recycled Polyethylene Terephthalate (PET), Compression strength, Water absorption, Scanning electron microscopy (SEM). |
| Annotation |
The development of sustainable polymer composites from recycled materials is crucial for environmental and economic benefits. This research evaluates epoxy-based composites fabricated from carpet waste and reinforced with multi-walled carbon nanotubes (MWCNTs) at five distinct weight components (0.1-1.0 wt. %). Mechanical characterization revealed a significant increase in compressive strength, reaching 30.4 MPa at 1.5 wt. % MWCNT, while the compressive modulus also improved. Moisture resistance tests showed reduced water absorption and thickness swelling, with optimal performance at 0.25 wt. % MWCNT. Fire-retardant evaluation demonstrated decreased flame spread, char length, and mass loss as MWCNT content increased. Thermal analysis (TGA/DSC) indicated enhanced thermal stability, and SEM confirmed uniform nanotube dispersion, ensuring efficient load transfer and strong interfacial bonding. These results collectively demonstrate that MWCNT reinforcement effectively enhances the physico-mechanical, thermal, and fire-resistant properties of recycled PET/epoxy composites. The developed composites are therefore suitable for lightweight structural applications such as wall panels, roadside barriers, toys, decorative frames, and insulating materials, providing a sustainable approach for waste valorization and high-performance material development. |
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