Polymers 2016, 8(6), 204; doi:10.3390/polym8060204
Spectroscopic, Physical and Topography of Photochemical Process of PVC Films in the Presence of Schiff Base Metal Complexes
1
Department of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq
2
Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
*
Authors to whom correspondence should be addressed.
Academic Editor: Do-Hoon Hwang
Received: 22 April 2016 / Revised: 17 May 2016 / Accepted: 20 May 2016 / Published: 25 May 2016
Abstract
The photostability of poly(vinyl chloride), PVC, containing various Schiff base metal complexes (0.5% by weight) was investigated. Various indices corresponding to a number of functional groups were monitored with irradiation of polymeric films to determine their photostabilization activities. The quantum yield of the chain scission (Φcs) of modified polymeric films was found to be (1.15–4.65) × 106. The surface morphology of a PVC sample was investigated by the use of atomic force microscope (AFM). The photostability of PVC films in the presence of Schiff base additives was found to follow the following order: PVC < PVC + CuL2 < PVC + CdL2 < PVC + ZnL2 < PVC + SnL2 < PVC + NiL2. Various mechanisms for PVC films photostability containing the Schiff base additives have been suggested. View Full-TextKeywords:
poly (vinyl chloride); average molecular weight; quantum yield; UV-Vis spectroscopy; photostability
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Yousif, E.; Hasan, A.; El-Hiti, G.A. Spectroscopic, Physical and Topography of Photochemical Process of PVC Films in the Presence of Schiff Base Metal Complexes. Polymers 2016, 8, 204.
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