Physicochemical and morphological evaluation of chitosan/poly(vinyl alcohol)/methylcellulose chemically cross-linked ternary blends |
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Authors: | V?Sugantha Kumari S?Khaleel Basha Email author" target="_blank">P?N?SudhaEmail author |
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Affiliation: | (1) Department of Chemistry, Auxilium College, Vellore, 632006, India;(2) Department of Biochemistry, C. Abdul Hakeem College, Melvisharam, 632509, India;(3) Department of Chemistry, D. K. M. College, Vellore, 632001, India; |
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Abstract: | Chitosan/poly(vinyl alcohol)/methylcellulose (CS/PVA/MC) ternary blend was prepared and chemically cross-linked with glutaraldehyde.
The prepared ternary blends were characterized by Fourier transform infrared spectroscopy (FTIR), Thermogravimetric analysis
(TGA), and X-ray diffraction (XRD). The FTIR results showed that the strong intermolecular hydrogen bonds took place between
CS and PVA. TGA showed the thermostability of the blend is enhanced by glutaraldehyde as crosslink agent. Results of XRD indicated
that the relative crystalline of pure CS film was reduced when the polymeric network was reticulated by glutaraldehyde. Finally,
the results of scanning electron microscopy (SEM) indicated that the morphology of the blend is rough and heterogenous, further
it confirms the interaction between the functional groups of the blend components. |
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Keywords: | |
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