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Isolation of Microcrystalline Cellulose from Wood and Fabrication of Polylactic Acid (PLA) Based Green Biocomposites

Selwin Maria Sekar1, Rajini Nagarajan1,*, Ponsuriyaprakash Selvakumar2, Ismail Sikiru Oluwarotimi3, Kumar Krishnan4, Faruq Mohammad5, Mohammed Rafi Shaik5, Nadir Ayrilmis6,*

1 Department of Mechanical Engineering, Kalasalingam Academy of Research and Education, Krishnankoil, 626126, India
2 Department of Mechanical Engineering, SSM Institute of Engineering and Technology, Dindigul, 624002, India
3 Department of Engineering, Centre for Engineering Research, School of Physics, Engineering and Computer Science, University of Hertfordshire, Hatfield, AL10 9AB, UK
4 INTI International University, Persiaran Perdana BBN, Nilai, 71800, Malaysia
5 Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Kingdom of Saudi Arabia
6 Department of Wood Mechanics and Technology, Faculty of Forestry, Istanbul University–Cerrahpasa, Bahcekoy, Sariyer, Istanbul, 34473, Turkey

* Corresponding Authors: Rajini Nagarajan. Email: email; Nadir Ayrilmis. Email: email

(This article belongs to the Special Issue: Environmentally Friendly Wood-Based Composites Based on Sustainable Technologies and Renewable Materials)

Journal of Renewable Materials 2024, 12(8), 1455-1474. https://doi.org/10.32604/jrm.2024.052952

Abstract

An innovative microcrystalline cellulose (MCC) natural fibre powder-reinforced PLA biocomposite was investigated using the hand lay-up technique. The polymer matrix composite (PMC) samples were prepared by varying the weight percentages (wt.%) of both PLA matrix and MCC reinforcement: pure PLA/100:0, 90:10, 80:20, 70:30, 60:40 and 50:50 wt.%, respectively. From the results obtained, MCC powder, with its impressive aspect ratio, proved to be an ideal reinforcement for the PLA, exhibiting exceptional mechanical properties. It was evident that the 80:20 wt.% biocomposite sample exhibited the maximum improvement in the tensile, flexural, notched impact, compressive strength and hardness by 28.85%, 20.00%, 91.66%, 21.53% and 35.82%, respectively compared to the pure PLA sample. Similarly, during the thermogravimetric analysis (TGA), the same 80:20 wt.% biocomposite sample showed a minimum weight loss of 20% at 400°C, among others. The morphological study using Field Emission Scanning Electron Microscopy (FE-SEM) revealed that the uniform distribution of cellulose reinforcement in the PLA matrix actively improved the mechanical properties of the biocomposites, especially the optimal 80:20 wt.% sample. Importantly, it was evident that the optimal PLA/cellulose biocomposite sample could be a suitable and alternative sustainable, environmentally friendly and biodegradable material for semi/structural applications, replacing synthetic and traditional components.

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APA Style
Sekar, S.M., Nagarajan, R., Selvakumar, P., Oluwarotimi, I.S., Krishnan, K. et al. (2024). Isolation of microcrystalline cellulose from wood and fabrication of polylactic acid (PLA) based green biocomposites. Journal of Renewable Materials, 12(8), 1455-1474. https://doi.org/10.32604/jrm.2024.052952
Vancouver Style
Sekar SM, Nagarajan R, Selvakumar P, Oluwarotimi IS, Krishnan K, Mohammad F, et al. Isolation of microcrystalline cellulose from wood and fabrication of polylactic acid (PLA) based green biocomposites. J Renew Mater. 2024;12(8):1455-1474 https://doi.org/10.32604/jrm.2024.052952
IEEE Style
S.M. Sekar et al., "Isolation of Microcrystalline Cellulose from Wood and Fabrication of Polylactic Acid (PLA) Based Green Biocomposites," J. Renew. Mater., vol. 12, no. 8, pp. 1455-1474. 2024. https://doi.org/10.32604/jrm.2024.052952



cc Copyright © 2024 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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