Color Changes, AFM and SEM Study of PVC/triorganotin (IV) - Cephalexin Complexes Samples Via UV Radiation

Document Type : Original Article

Authors

1 Department of Chemistry, College of Science, Babylon University, P.O. Box: 51002, Babil, Iraq

2 Department of Medical Instrumentation Engineering, Al-Mansour University College, P.O. Box: 62021, Baghdad, Iraq

3 Department of Chemistry, College of Science, Al-Nahrain University, P.O. Box: 62021, Baghdad, Iraq

4 Department of Physics, College of Science, Al-Nahrain University, P.O. Box: 62021, Baghdad, Iraq

5 Polymer Research Unit, College of Science, Al-Mustansiriyah University, P.O. Box: 62021, Baghdad, Iraq

6 Medical Laboratories Techniques Department, Al-Mustaqbal University College, P.O. Box: 51002, Babil, Iraq

7 Faculty of Applied Sciences, Universiti Teknologi MARA, P.O. Box: 40450, Shah Alam, Selangor, Malaysia

Abstract

Three organotin complexes were successfully produced in the presence of sodium hydroxide by the condensation reaction of cephalexin (ligand) and tri-organotin (IV) complexes. The complexes formed were given trigonal bipyramidal geometries based on spectrum measurements. These compounds were applied as additives (0.5 percent by weight) to reduce the photodegradation of polyvinyl chloride films (40 µm thickness) when exposed to ultraviolet light at a normal temperature (max = 313 at an intensity of light = 7.75 × 10-7 ein dm-3 S-1). The weight changes of films before and after irradiation can be applied to investigate the effectiveness of organotin (IV) complexes as photo stabilizers. After irradiation, the morphology of poly(vinyl chloride) studied by the microscope, atomic force microscopy, and scanning electron microscope was shown to be less damaged in the films containing additives. These additives are effective UV absorbers, hydrogen chloride scavengers, and peroxide quenchers. 

Keywords

Main Subjects

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Progress in Color, Colorants and Coatings
Volume 16, Issue 3
July 2023
Pages 283-294

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