Spectroscopic, Physical and Topography of Photochemical Process of PVC Films in the Presence of Schiff Base Metal Complexes
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Film Preparation
2.3. Accelerated Testing Technique
2.4. Photodegradation Measuring Methods
2.4.1. Measurement of Polymer Films Photodegradation Rate Using IR Spectrophotometry
2.4.2. Measuring the Photodegradation by Morphology Study
2.4.3. Determination of Average Molecular Weight Using Viscometry Method
3. Results and Discussion
3.1. FTIR Spectroscopy for PVC Films
3.2. Variation of PVC Molecular Weight during Photolysis
3.3. Surface Analysis
3.4. Suggested Mechanisms of PVC Photostabilization in the Presence of Additives
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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PVC Film (0.5 wt %) | Quantum Yield of Main Chain Scission (Φcs) |
---|---|
PVC | 4.65 × 10−6 |
PVC + CuL2 | 2.19 × 10−6 |
PVC + CdL2 | 8.69 × 10−7 |
PVC + ZnL2 | 4.19 × 10−7 |
PVC + SnL2 | 1.93 × 10−7 |
PVC + NiL2 | 1.15 × 10−7 |
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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. https://doi.org/10.3390/polym8060204
Yousif E, Hasan A, El-Hiti GA. Spectroscopic, Physical and Topography of Photochemical Process of PVC Films in the Presence of Schiff Base Metal Complexes. Polymers. 2016; 8(6):204. https://doi.org/10.3390/polym8060204
Chicago/Turabian StyleYousif, Emad, Ali Hasan, and Gamal A. El-Hiti. 2016. "Spectroscopic, Physical and Topography of Photochemical Process of PVC Films in the Presence of Schiff Base Metal Complexes" Polymers 8, no. 6: 204. https://doi.org/10.3390/polym8060204