Effects of heat treatment on chitosan nanocomposite film reinforced with nanocrystalline cellulose and tannic acid

V. Rubentheren, Thomas A. Ward, Ching Yern Chee, Praveena Nair Sivasankaran, Erfan Salami, Christopher J. Fearday

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Abstract

This article presents an analysis of the influence of heat treatment on chitosan nanocomposite film. A series of samples comprising: pure chitosan film, chitosan film embedded with nanocrystalline cellulose (NCC), chitosan film crosslinked with tannic acid and chitosan film with a blend of NCC and tannic acid were heat treated using a convection oven. Fourier-transform-infrared spectroscopy (FTIR) and X-ray diffraction test (XRD) shows the changes in chemical interaction of the heat treated films. The heat treated films show significant improvements in moisture absorption. Tensile strength and Young's Modulus were increased up to 7 MPa and 259 MPa, respectively when the samples were subjected to heat treatment. For the NCC particles, a transmission electron microscope (TEM) was used to inspect the structural properties of cellulose particle in suspension form.
Original languageEnglish
Pages (from-to)202-208
Number of pages7
JournalCarbohydrate Polymers
Volume140
DOIs
Publication statusPublished - 20 Apr 2016

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    Rubentheren, V., Ward, T. A., Chee, C. Y., Nair Sivasankaran, P., Salami, E., & Fearday, C. J. (2016). Effects of heat treatment on chitosan nanocomposite film reinforced with nanocrystalline cellulose and tannic acid. Carbohydrate Polymers, 140, 202-208. https://doi.org/10.1016/j.carbpol.2015.12.068