4.6 Article

Effect of the Fe2O3/TiO2 Nanoparticles on the Structural, Mechanical, Electrical Properties and Antibacterial Activity of the Biodegradable Chitosan/Polyvinyl Alcohol Blend for Food Packaging

期刊

JOURNAL OF POLYMERS AND THE ENVIRONMENT
卷 30, 期 9, 页码 3865-3874

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SPRINGER
DOI: 10.1007/s10924-022-02478-2

关键词

Preparation of Fe2O3; TiO2; Cs; PVA-FeTiO2 nanocomposites; TEM; Mechanical properties; AC conductivity; Antimicrobial activity

资金

  1. University of Jeddah, Jeddah, Saudi Arabia [UJ-21-ICI-12]

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With the increasing demand for ready-made food, the development of effective antimicrobial food packaging materials is crucial. In this study, a chitosan/polyvinyl alcohol blend based active food packaging material was enhanced by Fe2O3/TiO2 nanoparticles. The results showed that the addition of nanoparticles improved the conductivity and mechanical properties of the material, and exhibited good antibacterial activity.
As the request for ready-made food grows, it's more important than ever to develop effective antimicrobial food packaging materials to assure food's microbiological safety. The solvent casting method was used to create a chitosan (Cs)/polyvinyl alcohol (PVA) blend based active food packaging material enhanced with Fe2O3/TiO2 (FeTiO2) nanoparticles. The prepared films were characterized by TEM, XRD, FTIR, and ac conductivity. The structural alterations occurring in the nanocomposites are indicated by FTIR spectra and XRD investigations. The AC conductivity and dielectric characteristics of nanocomposites were dramatically improved as the nanoparticle loading was raised. The mechanical properties of blend/FeTiO2 nanocomposites films were better than pure blend film. The nanocomposites films had good antibacterial activity and mechanical properties, suggesting that they could be a viable alternative to non-biodegradable packaging material.

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