1990•Collection of Czechoslovak Chemical CommunicationsRequires access

IR-spectroscopic study of the condensation products of heat-degradation of polyethylene and polypropylene in inert atmosphere

Miroslav Svoboda, J. Štokr, Bohdan Schneider

Abstract

Infrared spectra of condensates generated by heating of polyethylene and polypropylene in inert atmosphere for various times at 300, 400, 500 and 600 °C were measured. The condensed products were characterized by means of infrared spectra. It was found that IR-spectra are suitable for determining the thermal history of polyethylene and polypropylene degradation.

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Key concepts: Polypropylene, Polyethylene, Inert gas, Infrared spectroscopy, Inert, Materials science, Degradation (telecommunications), Condensation