Abstract
Nanobiocomposites of chitosan/clay were prepared by solution method using CuSO4/glycine chelate complex as the catalyst with variable percentage of clay loading. The chemical interaction of chitosan and clay was studied by Fourier transform infrared spectroscopy. The structure of chitosan and clay nanobiocomposites was investigated by X-ray diffraction and high resolution transmission electron microscopy. From thermogravimetric analysis, it was found that chitosan/clay nanobiocomposites were more thermally stable as compared to pure chitosan. A substantial reduction in oxygen permeability was obtained from the gas permeameter with increase in clay concentrations by which the synthesized nanocomposites materials may be used for packaging applications. POLYM. COMPOS., 35:2324–2328, 2014. © 2014 Society of Plastics Engineers
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