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DOI: https://doi.org/10.4491/eer.2019.191
Synthesis of biodegradable films obtained from rice husk and sugarcane bagasse to be used as food packaging material
Himanshu Gupta1, Harish Kumar1, Mohit Kumar1, Avneesh Kumar Gehlaut1, Ankur Gaur1, Sadhana Sachan1, and Jin-Won Park2
1Department of Chemical Engineering, Motilal Nehru National Institute of Technology, Allahabad-211004, India
2Department of Chemical and Biomolecular Engineering Yonsei University, 262, Seoul 03722, Republic of Korea
Corresponding Author: Jin-Won Park ,Tel: +91-9910068765, Email: ankur@mnnit.ac.in
Received: May 7, 2019;  Accepted: July 20, 2019.
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The current study stresses on the reuse of waste lignocellulose biomass (rice husk and sugarcane bagasse) for the synthesis of carboxymethyl cellulose (CMC) and further conversion of this CMC into a biodegradable film. Addition of commercial starch was done to form biodegradable film due to its capacity to form a continuous matrix. Plasticizers such as Glycerol and citric acid were used to provide flexibility and strength to the film. Biopolymer film obtained from sugarcane bagasse CMC showed maximum tensile strength and elongation in comparison to the film synthesized from commercial CMC and CMC obtained from rice husk. It has been observed that an increase in sodium glycolate/NaCl content in CMC imposed an adverse effect on tensile strength. Opacity, moisture content, and solubility of the film increased with a rise in the degree of substitution of CMC. Therefore, CMC obtained from sugarcane bagasse was better candidate in preparing biopolymer/biocomposite film.
Keywords: Biopolymer Film | Carboxymethyl cellulose (CMC) | Citric acid (CA) | Glycerol
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