Kinetics of thermal decomposition of heterophasic ethylene-propylene copolymers

Mani, R. ; Singh, R. P. ; Sivaram, S. (1994) Kinetics of thermal decomposition of heterophasic ethylene-propylene copolymers Journal of Macromolecular Science, Part A, 31 (4). pp. 413-425. ISSN 1060-1325

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1060132...

Related URL: http://dx.doi.org/10.1080/10601329409351528

Abstract

Kinetics of thermal decomposition of various heterophasic ethylene-propylene copolymers in the temperature range 215-432°C by thermogravimetry (TG) and 150-180°C by differential scanning calorimetry (DSC), where volatile formation was negligible, was investigated and compared with isotactic polypropylene. Under nitrogen flux the activation energy for decomposition was in the range of 71-89 kcal-mol-1 in TG and 42-64 kcal-mol-1 in DSC. The thermal stability depends on the copolymer composition. The effect of heating rate on DSC thermograms has been studied.

Item Type:Article
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