Abstract
In this study, the effects of various quantities of sorbitol and glycerol plasticizers (0%, 30%, 45%, and 60%) on cornstarch-based film were examined to develop a novel polymer for usage with biodegradable materials. The film was prepared using the casting process. According to the test findings, the application of the plasticizer concentrations affected the thickness, moisture content, and water absorption of the film. When plasticizer concentrations were increased to 60%, the tensile stress and Young’s modulus of plasticized films dropped regardless of plasticizer type. However, the thin film with addition of 30% sorbitol plasticizer demonstrated a steady value of Young’s modulus (60.17 MPa) with an increase in tensile strength (13.61 MPa) of 46%, while the lowest combination of tensile strength and Young’s modulus is the film that was plasticized with 60% glycerol, with 2.33 MPa and 16.23 MPa, respectively. In summary, the properties and performance of cornstarch-based film were greatly influenced by plasticizer types and concentrations. The finest set of features in this research appeared in the film plasticized with 30% sorbitol, which achieved the best mechanical properties for food packaging applications.
Highlights
In contrast to biodegradable material, natural chemicals in any accessible human ecosystem are unable to decompose
This study has demonstrated the impact of different concentrations of sorbitol, glycerol, and sorbitol/glycerol plasticizers on cornstarch-dependent thin films’ mechanical and physical characteristics
Software, acquired experimental findings of tensile strength were subjected to an Figure analysis2aofindicates variance that (ANOVA)
Summary
In contrast to biodegradable material, natural chemicals in any accessible human ecosystem are unable to decompose. The climate, aquatic or land-originated floras and faunas, and humans are all impacted by plastic pollution [4]. There are two methods of solving this problem: recycling and thermal decomposition, including the incineration and pyrolysis approach [5]. Time and resources are needed for the finished product, including plant covering, washing, drying, grinding, and reprocessing as well as chemical disinfection due to the current COVID-19 pandemic [3,6], whereas plastic incineration creates exponentially high quantities of environmental contaminants, including greenhouse gases (CO2 ), ammonia, and arsenic, which lead to detrimental impacts on the public quality of health and climate change
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