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Pyrolysis and Devolatilization of High-Density Polyethylene

Bruns M. and Ezekoye O., 2011. Pyrolysis and Devolatilization of High-Density Polyethylene. Fire Safety Science 10: 903-916. 10.3801/IAFSS.FSS.10-903


A simple model for combined pyrolysis and devolatilization of high-density polyethylene (HDPE) is developed and studied. The model parameters are estimated from available literature data, and the resulting predictions are compared with a single thermogravimetric experiment. It is found that the bubble loss model makes a better prediction than a critical carbon number loss model. As expected, the bubble loss model is seen to lose validity when the sample becomes predominantly composed of volatile species.

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