Journal
JOURNAL OF POLYMER RESEARCH
Volume 27, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1007/s10965-020-02200-7
Keywords
Antibacterial activity; Optical property; Sonochemical approach; Folic acid; Poly(vinyl alcohol)
Categories
Funding
- Iran Nanotechnology Initiative Council (INIC), Tehran, I. R. Iran
- National Elite Foundation (NEF), Tehran, I. R. Iran
- Center of Excellence in Sensors and Green Chemistry (IUT), Isfahan, I. R. Iran
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The packaging system is one of the most challenging researches, in which antibacterial agents were embedded. In this research activity, we used folic acid (FA), as a biosafe and biodegradable substance for the surface modification of zinc oxide nanoparticles (ZnO NPs). Then, the ZnO-FA NPs as nanofillers were inserted in the poly(vinyl alcohol) (PVA) with different weight percentages (2, 5, and 8 wt%, relative to polymer weight). The synthesized substances were characterized using various analyses like Ultraviolet-Visible (UV-Vis) spectroscopy, water contact angle, field emission scanning electron microscopy, and thermogravimetric analysis. The image of transmission electron microscopy analysis displayed the excellent dispersal of the ZnO-FA NPs within the polymeric matrix. By increasing the percentage of the modified ZnO NPs into the PVA, the intensity of the absorption peaks in the UV-Vis spectra was raised, and the thermal stability ofNC films got better compared to the pure polymer. PVA/ZnO-FA NC film 8 wt% showed better antibacterial activity than the pure PVA and had the best resistance against Grampositive bacteria (Staphylococcus aureus).
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