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khakpour A, rezazadehbari M, Pirsa S, Khakpour F. Biodegradable film based on the mucilage of Pansyrak flower modified with licorice and copper sulfate nanoparticles, investigation of physicochemical properties. FSCT 2024; 20 (145) :226-239
URL: http://fsct.modares.ac.ir/article-7-71871-en.html

The aim of this research was to produce a film from the mucilage of Paneerak flower modified with Shirin-Bian and copper sulfate nanoparticles. It was used to study the properties of thickness, humidity, solubility, permeability to water vapor, color and mechanical properties of the films. The results show that with the increase of licorice and copper sulfate nanoparticles, the thickness of the film increases. Humidity, water vapor permeability and solubility of the film decrease with the increase of copper sulfate nanoparticles and increase with the increase of sodium chloride. Also, with an increase in the concentration of Shirin Bayan, the color indices a* increased and the brightness of the layers decreased significantly. The results of the mechanical test show that with the increase of sugar and copper sulfate nanoparticles, the tensile strength decreases and with the increase of copper sulfate nanoparticles, the elongation at the breaking point increases significantly.