Properties of micro-nanofibrillated-chitin/bamboo-nanofiber nanocomposite

Le Van Hai; Lindong Zhai; Jung Woong Kim; Jungho Park; Jaehwan Kim

doi:10.1117/12.2296835

23 March 2018 Properties of micro-nanofibrillated-chitin/bamboo-nanofiber nanocomposite

Le Van Hai, Lindong Zhai, Jung Woong Kim, Jungho Park, Jaehwan Kim

Proceedings Volume 10597, Nano-, Bio-, Info-Tech Sensors, and 3D Systems II; 105970Q (2018) https://doi.org/10.1117/12.2296835
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

This paper reports an eco-friendly nanocomposite made with bamboo cellulose nanofiber and chitin micronanofibers. Bamboo has antibacterial property and is beneficial for human living environment meanwhile chitin is safe for food packaging, highly toxic resistant and able to absorb heavy metals. Chitin was micro-nano fibrillated (CT-MNF) by using aqueous counter collision (ACC) physical method. Cellulose nanofiber (CNF) was isolated from bamboo by treating it with 2,2,6,6-tetramethylpiperidine-1-oxylradical (TEMPO)-oxidation followed by ACC method. Bamboo cellulose nanofiber (BA-CNF) was blended with CT-MNF to form BA-CNF nanocomposite. The morphology of BA-CNF and CT-MNF was determined by an atomic force microscopy and field emission scanning electron microscopy. CT-BA nanocomposites were made with different ratios of BA-CNF and CT-MNF. Properties of CT-BA nanocomposites were investigated by using thermogravimetric analysis, UV-visible spectra, and tensile test. The UV-Vis visible spectrum shows better transmittance of the CT-BA nanocomposite with high BA-CNF content. CT-BA nanocomposite has better surface smoothness. By blending BA-CNF with CT-MNF, CT-BA nanocomposite shows improved mechanical properties.

Citation Download Citation

Le Van Hai, Lindong Zhai, Jung Woong Kim, Jungho Park, and Jaehwan Kim "Properties of micro-nanofibrillated-chitin/bamboo-nanofiber nanocomposite", Proc. SPIE 10597, Nano-, Bio-, Info-Tech Sensors, and 3D Systems II, 105970Q (23 March 2018); https://doi.org/10.1117/12.2296835

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