Studying the photostabilization activity of Poly(Vinyl Chloride) films containing 4-amino-5-(((5-methyl-1H-benzo[d]imidazol-2-yl)thio)methyl)-2,4-dihydro-3H-1,2,4-triazole-3-thiol with a dibutyltin complex

Document Type : Original Research Paper

Authors

1 Department of Chemistry College of Science for Women University of Baghdad, 10071, Baghdad, Iraq

2 Department of Environmental Science, College of Energy and Environmental Science, AlkarkhUniversity of Science, 10081, Baghdad, Iraq

3 School of Chemical Science and Food Technology, Faculty of Science and Technology, UniversityKebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

4 Polymer Research Unit, College of Science, Al-Mustansiriyah University, 10052, Baghdad, Iraq

5 Department of Chemistry, College of Science, Al-Nahrain University, 47077, Baghdad, Iraq

Abstract

A new traiazole derivative (4-amino-5-(((5-methyl-1H-benzo[d]imidazol-2-yl)thio)methyl)-2,4-dihydro-3H-1,2,4-triazole-3-thiol, (L), was employed as a chelating ligand to form a dibutyltin chloride complex and improve the poly(vinyl chloride) (PVC) properties. The doped PVC films were characterized via FT-IR, UV-Vis spectrum, elemental analyses (C, H, N, and M (metallic)), and magnetic susceptibility and conductivity measurements. These characterizations were conducted at room temperature, and it was disclosed that the chelating ligand rules as a bidentate chelate. The photostabilization examination of plain and L-doped PVC films was conducted in the presence of ambient air using the accelerating weather tester, where the doping ratio was fixed to 0.5 wt.%. The photostabilization performance of the additive was evaluated by tracking the indexes of carbonyl (ICO), polyene (IPO), and hydroxyl (IOH), and weight loss relationship with irradiation time. It was noticed that the values of ICO, Ipo, and IOH enhanced with the irradiation time, where this improvement relied on the presence of the Bu2SnL complex.

Keywords

References

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Pollution
Volume 8, Issue 3
May 2022
Pages 1088-1102

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