A fluorimetric study of the chemical, photochemical and thermal degradation of poly(vinylchloride)—I. Preliminary comparative studies
✍ Scribed by E.D. Owen; R.L. Read
- Book ID
- 107753657
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 260 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0014-3057
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## Abstract The products and mechanism of the thermal oxidative degradation of poly(ethylene oxide) at 150 °C have been analysed using ^13^C NMR spectroscopy. The analysis was assisted by the use of distortionless enhancement by polarisation transfer spectra, longitudinal relaxation time measuremen
The oxidative thermal degradation of poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) at 150°C in air was studied. The weight loss was determined, and the structure of the residual polymer investigated using NMR. In PEO, the only significant structural changes were the formation of formate