Fabrication and Characterization of PVA-Gelatin-Nano Crystalline Cellulose based Biodegradable Film: Effect of Gamma Radiation

Nanda Karmaker; Farhana Islam; Md. Naimul Islam; Md. Razzak; Farjana A. Koly; A.M. Sararuddin Chowdhury; Ruhul A. Khan

doi:10.6000/1929-5995.2019.08.02

Authors

Nanda Karmaker Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, Dhaka-1000, Bangladesh
Farhana Islam Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, Dhaka-1000, Bangladesh
Md. Naimul Islam Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, Dhaka-1000, Bangladesh
Md. Razzak Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, Dhaka-1000, Bangladesh
Farjana A. Koly Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, Dhaka-1000, Bangladesh
A.M. Sararuddin Chowdhury Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Dhaka-1000, Bangladesh
Ruhul A. Khan Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, Dhaka-1000, Bangladesh

DOI:

https://doi.org/10.6000/1929-5995.2019.08.02

Keywords:

Polyvinyl Alcohol, Nano Crystalline Cellulose, Biodegradable, Gelatin, Gamma Radiation.

Abstract

Poly Vinyl Alcohol (PVA) films were prepared using solution casting. The Tensile Strength (TS), Tensile Modulus (TM) and Elongation at break (Eb) of the prepared films were found to be 23.58 MPa, 32 MPa and 302% respectively. Moisture content and water uptake analysis were also checked. Then, gelatin and nano crystalline cellulose (NCC) were incorporated into PVA film and again physchio-mechanical properties were measured. The TS, TM and Eb values of PVA/Gelatin-based films were 23.57 MPa, 114.58 MPa, 48.10% respectively. On the other hand, PVA/Gelatin/NCC-based films showed the TS, TM, and Eb values of 32.92 MPa, 129.8 MPa, 58.5% respectively. Thermal degradation test was accomplished by Thermo-Gravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). Spectroscopic analysis was also done by Fourier Transfer Infra-Red (FTIR). The soil degradation test confirmed the inherent biodegradable nature of the films. The prepared bio-polymeric films were exposed to gamma radiation. It was found that at 6 kGy dose the mechanical properties of the films improved significantly.

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