Preparation of Cellulose Nanocrystals Using an Ionic Liquid

Man, Zakaria and Muhammad, Nawshad and Bustam M.A, Mohd Azmi and Sarwono, Ariyanti and Rafiq, Sikander and Kumar, M. Vignesh (2011) Preparation of Cellulose Nanocrystals Using an Ionic Liquid. J Polym Environ, 19 . pp. 726-731.

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In this paper cellulose nanocrystals were prepared by treating microcrystalline cellulose with 1-butyl- 3-methylimidazolium hydrogen sulphate ionic liquid. Cellulose nanocrystals, after separation from ionic liquid, were characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR), Field emission scanning electron microscopy (FESEM) Transmission Electron Microscope (TEM) and Thermogravimetric analysis. XRD results showed no changes in type of cellulose after the treatment with ionic liquid, however, high crystallinity index was observed in the ionic liquid treated sample. Cellulose nanocrystals, having length around 50–300 nm and diameter around 14–22 nm were observed in the ionic liquid treated sample under FESEM and TEM, and similar patterns of peaks as that of microcrystalline cellulose were observed for cellulose nanocrystals in the FTIR spectra. The thermal stability of the cellulose nanocrystals was measured low as compare to microcrystalline cellulose

Item Type:Article
Subjects:Q Science > QD Chemistry
Departments / MOR / COE:Departments > Chemical Engineering
ID Code:6762
Deposited By: Dr Zakaria Man
Deposited On:21 Nov 2011 06:29
Last Modified:19 Jan 2017 08:22

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