Comparative Analysis of the Influence of Different Preparation Methods on the Properties of TEMPO-Oxidized Bacterial Cellulose Powder Films

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Dieter Rahmadiawan, Shih-Chen Shi, Hairul Abral, Mohammad Khalid Ilham, Eni Sugiarti, Ahmad Novi Muslimin, R.A. Ilyas, Remon Lapisa, Nandy Setiadi Djaya Putra

2024 Journal of Natural Fibers Vol. 21 Issue 1 Article Cited by 26 SDG 17SDG 12 Quartile

Abstract

The preparation method of cellulose films plays a vital role in their properties. This work aims to characterize 2, 2, 6, 6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized bacterial cellulose powder (TOBCP) films prepared with three different methods (casting, boiling-casting, and boiling-vacuum). It is found that film by casting (CT film) shows the best electrical properties. A light-emitting diode (LED) in a direct current circuit connected to the CT film glows the most brightly. However, this film had lower tensile strength and thermal stability than films from boiling and boiling-vacuum techniques. The boiling-vacuum film presents the most compact fiber structure and the highest tensile and thermal properties. This film also shows the lowest electrical properties and the dimmest LED light. These results demonstrate the TOBCP properties from different methods that can be used to prepare film with desirable properties. © 2024 The Author(s). Published with license by Taylor & Francis Group, LLC.

Affiliations

Department of Mechanical Engineering, National Cheng Kung University (NCKU), Tainan, Taiwan; Department of Mechanical Engineering, Universitas Negeri Padang, Sumatera Barat, Padang, Indonesia; Laboratory of Nanoscience and Technology, Department of Mechanical Engineering, Andalas University, Sumatera Barat, Padang, Indonesia; Research Collaboration Center for Nanocellulose, BRIN-Andalas University, Padang, Indonesia; Laboratory of High-Temperature Coating, Research Center for Physics Indonesian Institute of Sciences (LIPI) Serpong, Banten, Indonesia; Weaponry Technology Study Program, Defense Technology Faculty, Indonesia Defense University, Bogor, Indonesia; School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia; Heat Transfer Laboratory, Department of Mechanical Engineering, Universitas Indonesia, Depok, Indonesia

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