F. Fahma, I. Febiyanti, N. Lisdayana, I.W. Arnata, D. Sartika
Purpose: This paper presents a comprehensive review of nanocellulose and its application in several applications, including composites, biomedical, and food packaging fields. Design/methodology/approach: General explanations about cellulose and nanocellulose have been described. Different types of nanocellulose (cellulose nanofibers, cellulose nanocrystals, bacterial nanocellulose) as well as their isolation processes (mechanical process, chemical process) have been reviewed. Several surface modifications have been explained to improve the dispersion of nanocellulose in non-polar polymers. The possible utilization of nanocellulose in composites, biomedical, and food packaging fields have also been analysed. Findings: This review presents three application fields at once, namely composites, biomedical, and food packaging fields. In the composite field, nanocellulose can be used as a reinforcing agent which increases the mehcnical properties such as tensile strength and toughness, and thermal stability of the final composites. In the biomedical field, nanocellulose is reinforced into hydrogel or composites which will be produced as tissue scaffolding, wound dressing, etc. It is found that the addition of nanocellulose can extend and control the drug release. While in the packaging field, nanocellulose is added into a biopolymer to improve the barrier properties and decrease the water and oxygen vapor transmission rates. Research limitations/implications: Nanocellulose has a hydrophilic nature, thus making it agglomerated and difficult to disperse in most non-polar polymers. Therefore, certain surface modification of nanocellulose are required prior to the preparation of composites or hydrogels. Practical implications: Further research regarding the toxicity of nanocellulose needs to be investigated, especially when applying it in the biomedical and food packaging fields. Originality/value: This review presents three application fields at once, namely composites, biomedical, and food packaging fields. © International OCSCO World Press. All rights reserved. 2021.
Department of Agroindustrial Technology, Faculty of Agricultural Engineering and Technology, Bogor Agricultural University, Gedung Fateta, Kampus IPB Dramaga, Bogor, 16680, Indonesia; Department of Agroindustrial Technology, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Way Hui Jati Agung, Lampung Selatan, 35365, Indonesia; Research and Innovation Center for Advanced Materials, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Way Hui Jati Agung, Lampung Selatan, 35365, Indonesia; Department of Agroindustrial Technology, Udayana University, Bali, 80361, Indonesia; Faculty of Agriculture, Muhammadiyah University of Makassar, South Sulawesi, Makassar, 90221, Indonesia
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