Effect of stabilizers in the thermal treatment of PVC—X. An i.r. spectroscopic study of PVC with basic cadmium stearate |
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| Authors: | K Volka Z Vymazal T Zajiček Z Vymazalová |
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| Institution: | 1. Department of Analytical Chemistry, Technical University, 166 28 Prague 6, Czechoslovakia;2. Department of Polymers, Technical University, 166 28 Prague 6, Czechoslovakia |
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| Abstract: | Infrared spectra (1900-1470 cm?1) were studied for PVC films stabilized with basic Cd stearate and its mixture with stearic acid, after thermal degradation at 180° in air. Infrared spectroscopy makes it possible to follow the formation of Cd chloride-stearate on the basis of an absorption band at 1560–1565 cm?1. The spectral data are compared with a potentiometric determination of HCl released from the mixture. |
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