چکیده مقاله
In this study, chitosan–Polypyrrole film was prepared with a combination of different concentrations ofPolypyrrole and various synthesis times to produce antimicrobial and biodegradable packaging film Thephysical, electrical, and mechanical properties of the films were investigated The interaction betweenchitosan and Polypyrrole was confirmed by Fouriertransform infrared spectroscopy FTIR and X raydiffraction patterns The size and morphology of the synthesized particles were examined by scanningelectron microscopy The results indicated that the synthesized Polypyrrole particles had a spherical shape 45–111 nm The antimicrobial and antifungal activity of the films against Aspergillus niger fungi antifungal area: 61 46 mm2 and Escherichia coli bacteria antimicrobial area: 126 26 mm2 increasedwith increasing the concentration of Polypyrrole The results obtained from the study of the effect ofPolypyrrole on the electrical conductivity of the chitosan film showed that increasing the Polypyrroleconcentration and synthesis time resulted in decreased electrical resistance of the film, for which the filmwith the highest Polypyrrole concentration and the highest synthesize time had the lowest resistance According to the mechanical property results, tensile strength TS and elastic modulus were increased due tothe addition of the Polypyrrole to the polymer matrix The chitosan blank film had a lower TS thannanocomposites As the final results, the chitosan–Polypyrrole film has good electrical conductivity,indicating thatthe produced film could be used in intelligent food packaging
کلیدواژهها
نویسندگان
بهزاد محمدی
Department of Food Science and Technology, Afagh Higher Education Institute,Urmia, Iran
sajad pirsa
Department of Food Science and Technology, Faculty of Agriculture, UrmiaUniversity, Urmia, Iran
Forough Mohtarami
Department of Food Science and Technology, Faculty of Agriculture, UrmiaUniversity, Urmia, Iran
maryam heydari
PhD student, Department of Food Science and Industry, Varamin Pishva Branch, IslamicAzad University, Varamin, Iran
شیوه ارجاع
mohammadi, Behzad and pirsa, sajad and Mohtarami, Forough and heydari, maryam,1402,Preparing chitosan–Polypyrrole nanocomposite film andevaluation of its mechanical, electrical, and antimicrobialproperties,The 7th International Conference on Interdisciplinary Studies in Food Industry and Nutrition Sciences of Iran,Tehran
ارائهشده در
مجموعه مقالات هفتمین همایش بین المللی مطالعات میان رشته ای در صنایع غذایی و علوم تغذیه ایران30 آبان 1402 · تهران