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2021•Journal of Physics Conference SeriesOpen access

Ionic liquid-assisted nanocellulose preparation from microcrystalline cellulose

Gamal Abdalla Suliman Haron, Hilmi Bin Noh, Muhammad Moniruzzaman

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Abstract

Abstract Nanocellulose (NC) has generated interest from the scientific community because of their biodegradability, and unique physiochemical characteristics. In this study, ionic liquid 1-butyl-3-methylimidazolium hydrogen sulfate [Bmim][HSO4] combined with high ultrasonication is used to prepare NC from microcrystalline cellulose (MCC). The investigation by atomic force microscopy (AFM) revealed that the obtained NC had a rod-like shape with average particle diameter and length of 0.77±0.28μm, 2.11±0.65mμ respectively. Fourier transform infrared spectroscopy (FTIR) characterization exhibited that the prepared NC maintained the cellulose type I structure and the recovered IL (97%) composition remained intact as the pure IL. Therefore, it is expected to develop a green approach to produce nanocellulose with high quality using ILs.

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What this paper is about

Abstract Nanocellulose (NC) has generated interest from the scientific community because of their biodegradability, and unique physiochemical characteristics. In this study, ionic liquid 1-butyl-3-methylimidazolium hydrogen sulfate [Bmim][HSO4] combined with high ultrasonication is used to prepare NC from microcrystalline cellulose (MCC). The investigation by atomic force microscopy (AFM) revealed that the obtained NC had a rod-like shape with average particle diameter and length of 0.77±0.28μm, 2.11±0.65mμ respectively. Fourier transform infrared spectroscopy (FTIR) characterization exhibited that the prepared NC maintained the cellulose type I structure and the recovered IL (97%) composition remained intact as the pure IL. Therefore, it is expected to develop a green approach to produce nanocellulose with high quality using ILs.

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Available abstract

Abstract Nanocellulose (NC) has generated interest from the scientific community because of their biodegradability, and unique physiochemical characteristics. In this study, ionic liquid 1-butyl-3-methylimidazolium hydrogen sulfate [Bmim][HSO4] combined with high ultrasonication is used to prepare NC from microcrystalline cellulose (MCC). The investigation by atomic force microscopy (AFM) revealed that the obtained NC had a rod-like shape with average particle diameter and length of 0.77±0.28μm, 2.11±0.65mμ respectively. Fourier transform infrared spectroscopy (FTIR) characterization exhibited that the prepared NC maintained the cellulose type I structure and the recovered IL (97%) composition remained intact as the pure IL. Therefore, it is expected to develop a green approach to produce nanocellulose with high quality using ILs.

Key concepts: Microcrystalline cellulose, Nanocellulose, Ionic liquid, Cellulose, Microcrystalline, Fourier transform infrared spectroscopy, Materials science, Chemical engineering

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