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

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.

摘要

纤维素薄膜的制备方法对其性能起着至关重要的作用. 本工作旨在表征采用三种不同方法（流延、沸腾流延和沸腾真空）制备的2，2，6，6-四甲基哌啶-1-氧基（TEMPO）氧化细菌纤维素粉末（TOBCP）薄膜. 研究发现，流延薄膜（CT薄膜）具有最佳的电学性能. 连接到CT胶片的直流电路中的发光二极管（LED）发光最亮. 然而，该膜的拉伸强度和热稳定性低于沸腾和沸腾真空技术的膜. 沸腾真空膜呈现出最紧凑的纤维结构和最高的拉伸和热性能. 该薄膜还显示出最低的电性能和最暗淡的LED光. 这些结果证明了不同方法的TOBCP性能，可用于制备具有所需性能的膜.

KEYWORDS:

• Bacterial cellulose
• electrical properties
• conductivity
• light-emitting diode
• ultrasonication

关键字:

• 细菌纤维素
• 电气特性
• 电导率
• 发光二极管
• 超声波处理

Acknowledgments

This work was supported by the Universitas Andalas for supporting research funding with project name Riset Kolaborasi Indonesia (Skema A), number : 3/UN16.19/PT.01.03/PRK-RKI Skema A (Host)/2023.

Disclosure statement

No potential conflict of interest was reported by the authors.

Author’s contribution

Dieter Rahmadiawan : Writing – Original Draft, Formal Analysis, Visualization

Shih-Chen Shi : Writing – Review & Editing, Validation

Hairul Abral : Writing – Review & Editing, Supervision, Funding Acquisition, Conceptualization

Mohamad Khalid Ilham: Investigation

Eni Sugiarti : Resources

Ahmad Novi Muslimin: Resources, Investigation

A Ilyas : Resources, Validation

Remon Lapisa : Writing – Review & Editing

Nandi Setiadi Djaya Putra: Writing – Review & Editing

Consent to participate

All authors contribute and participate in the work carried out in this paper.

Consent for publication

The authors of this paper agree to publish this work in the Journal of Natural Fibers.

Ethical approval

All authors agree and accept Ethics approval.

Supplementary Material

Supplemental data for this article can be accessed online at https://doi.org/10.1080/15440478.2023.2301386

Additional information

Funding

Universitas Andalas granted Professor Hairul Abral funding for the project named Riset Kolaborasi Indonesia (Skema A).