The behaviours of barium and cadmium soaps of four fatty acids and their combinations in PVC under static thermal stress at 180 ° in air have been studied. In order to compare the effectiveness of these stabilizers, the thermal stabilities calculated on the basis of evolved hydrogen chloride, the am
Effect of stabilizers in the thermal treatment of PVC—III: Effect of Ba and Cd stearates on the dehydrochlorination of PVC
✍ Scribed by E. Czakó; Z. Vymazal; Z. Vymazalová; J. štěpek
- Book ID
- 107753481
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 283 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0014-3057
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Thermal degradation of PVC at 180 ° in air in the presence of Ba and Cd sterarates and of their combination has been studied. In the presence of Cd stearate, dehydrochlorination proceeds at many sites giving rise to relatively short polyenes, in the presence of Ba stearate, the number of degradation
Thermal degradation at 180 ° in air of PVC stabilized with an equimolar mixture of Ba and Cd stearates has been studied. The "unreacted" stearates were separated by filtering tetrahydrofuran solutions of samples. The filtration and thermal degradation were examined by means of infrared spectroscopy