Abstract
Films of poly(vinyl chloride) (PVC) were degraded isothermally at 160, 180, 200, 220, 240 and 280°C for 30 min in the ion source of a mass spectrometer and the volatile products of degradation were monitored by direct inlet mass spectrometry, which has the advantage of monitoring several degradation products at the same time. Both the evolution rate of the volatile products and their composition were recorded during the isothermal degradation of PVC. A technique was developed for the preparation of samples that improves the repeatability of the method.
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