Dieter Rahmadiawan, Hairul Abral, Wahyu Hidayat Yesa, Dian Handayani, Neny Sandrawati, Eni Sugiarti, Ahmad Novi Muslimin, S.M. Sapuan, R.A. Ilyas
Polyvinyl alcohol (PVA) has been used in packaging applications due to its biocompatibility and biodegradability. However, this non-toxic synthetic material belonging to a highly hydrophilic polymer has poor resistance to wet environments, no antibacterial activity, and low tensile and thermal properties. This study aims to prepare and characterize a PVA-based biocomposite film mixed with antimicrobial white ginger nanocellulose (GCNF) and zinc oxide (ZnO) nanoparticles. The film was processed using GCNF (0.1 g) or/and ZnO nanoparticles (0.5 g). The results confirm that the GCNF/ZnO/PVA-based film presents the strongest antimicrobial activity and the highest thermal resistance. This film also had the best value in tensile strength (19.7 MPa) and modulus (253.1 MPa); 63.9% and 117.9%, respectively higher than purce PVA. Its elongation at break was 56.6%, not statistically significantly different from the pure PVA film. Thus, this PVA-based hybrid biocomposite film reinforced by GCNF and ZnO has excellent potential for fresh food packaging in industrial applications. © 2022 by the authors.
Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Padang, Padang, 25171, Indonesia; Laboratory of Nanoscience and Technology, Department of Mechanical Engineering, Andalas University, Padang, 25163, Indonesia; Research Collaboration Center for Nanocellulose, BRIN-Andalas University-Institut Teknologi Batam (ITEBA, Batam), Padang, 25163, Indonesia; Laboratory of Sumatran Biota, Faculty of Pharmacy Andalas University, Padang, 25163, Indonesia; Laboratory of High Resistance Materials, Research Center for Physics, Indonesian Institute of Sciences (LIPI), Tangerang Selatan, 15310, Indonesia; Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia (UPM), Serdang, 43400, Malaysia; School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru, 81310, Malaysia
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