Journal
POLYMERS
Volume 10, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/polym10111185
Keywords
ball-like polystyrene films; carbonyl group index; photo-oxidation; Schiff base; photodegradation; surface roughness
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Funding
- College of Applied Medical Sciences Research Centre
- Deanship of Scientific Research at King Saud University
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Polystyrene films containing a low concentration of three highly aromatic Schiff bases were prepared using the casting method. The polystyrene films were irradiated with ultraviolet light (300 h). The polystyrene infrared spectra, weight loss, molecular weight reduction and the surface morphology were examined upon irradiation. The Schiff bases acted as photostabilizers and reduced the photodegradation of polystyrene films to a significant level in comparison to the blank film. The images recorded of the surface of the miscible polystyrene/Schiff base blends showed novel ball-like microspheres with a diameter of 3.4-4.3 mu m. The Schiff bases were able to endow excellent protection to polystyrene against ultraviolet irradiation.
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