Abstract
Thermal decomposition in the initial stage of Nylon 66 carpets and their components was analyzed by thermogravimetry (TG), and TG-Fourier transform infrared spectrometry (TG-FTIR). The Ozawa-Flynn-Wall method was applied in the initial stage of thermal decomposition. It was found that the thermal stability of carpet depends on the characteristics of backing materials. Poly(vinyl chloride) (PVC) backing is easily decomposed and mass residues was high due to the presence of additives. HCl gas was evolved from PVC backing in a temperature ranging from 300 to 400 °C where, in contrast, a-olefin backing showed stable performance.
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