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On-Line Fourier Transform Infrared Analysis of Pyrolysis and Combustion Products

Volume 30, Number 3 (June 1976) Page 355-357

Liebman, S.A.; Ahlstrom, D.H.; Griffiths, P.R.


Thermal degradation studies conducted on a wide variety of polymeric materials necessitate sensitive and informative analytical techniques. Studies of thermal degradation under carefully controlled pyrolytic (inert) and combustive (air) conditions have been reported in which the major volatile products were monitored by gas chromatography (gc). With the use of data obtained by this method, details in polymer microstructure and degradation mechanisms have been deduced. We now report the results from a preliminary series of such controlled degradation conditions with on-line monitoring of the volatile products by automatic gc analysis and Fourier transform infrared (FT-ir) spectroscopy.