Sugar palm (Arenga pinnata (Wurmb.) Merr) cellulosic fibre hierarchy: a comprehensive approach from macro to nano scale

Ilyas, Rushdan Ahmad and Sapuan, Salit Mohd and Ibrahim, Rushdan and Abral, Hairul and Ishak, M.R. and Zainudin, E.S. and Asrofi, Mochamad and Atikah, Mahmud Siti Nur and Huzaifah, Muhammad Roslim Muhammad and Radzi, Ali Mohd and Azammi, Abdul Murat Noor and Shaharuzaman, Mohd Adrinata and Nurazzi, Norizan Mohd and Syafri, Edi and Sari, Nasmi Herlina and Norrrahim, Mohd Nor Faiz and Jumaidin, Ridhwan (2019) Sugar palm (Arenga pinnata (Wurmb.) Merr) cellulosic fibre hierarchy: a comprehensive approach from macro to nano scale. Journal of Material Research and Technology. ISSN 2753-2766

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Sugar palm (Arenga pinnata) fibre is considered as a waste product of the agricultural industry. This paper is investigating the isolation of nanofibrillated cellulose from sugar palm fibres produced by a chemo-mechanical approach, thus opening a new way to utilize waste products more efficiently. Chemical pre-treatments, namely delignification and mercerization processes, were initially involved to extract the sugar palm cellulose. Then, mechanical pre-treatment was performed by passing the sugar palm cellulose through a refiner to avoid clogging in the subsequent process of high pressurized homogenization. Nanofibril- lated cellulose was then characterized by its chemical properties (Fourier transform infrared spectroscopy), physical morphological properties (i.e. scanning electron microscopy, trans- mission electron microscopy, X-ray diffraction analysis), and thermogravimetric analysis. The nanofibres were attained at 500 bar for 15 cycles with 92% yield. The results showed that the average diameter and length ofthe nanofibrillated cellulose were found to be 5.5 ± 1.0nm and several micrometres, respectively. They also displayed higher crystallinity (81.2%) and thermal stability compared to raw fibres, which served its purpose as an effective reinforc- ing material for use as bio-nanocomposites. The nanocellulose developed promises to be a very versatile material by having a huge potential in many applications, encompassing bio-packaging to scaffolds for tissue regeneration.

Item Type: Article
Subjects: Q Science > Q Science (General)
S Agriculture > S Agriculture (General)
Depositing User: Nopan Permana Ok
Date Deposited: 10 Apr 2023 05:04
Last Modified: 02 May 2023 08:24

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