Magnesium Hydroxide and Magnesium Oxide in Oxidation and Burning of Polypropylene
Jozef Rychlý, Martina Hudáková, Lyda Rychlá, Ivica Janigová, Katarína Csomorová, Ivan Chodák
Journal of Scientific Research and Reports · pp. 772–786 · Published 29 Jan 2014
10.9734/JSRR/2014/7734Abstract
Magnesium hydroxide eliminates DSC exotherm of polypropylene oxidation and thus the peroxidation process. At the same time, non-isothermal thermogravimetry experiments show that the temperature of the maximum rate of volatiles released due to polypropylene decomposition is significantly higher than that from original polypropylene. It appears that in the presence of magnesium hydroxide, the degradation products are not formed predominantly from decomposition of peroxides but from direct scissions of polypropylene chains. Chemiluminescence experiments confirmed that magnesium ions in alkaline conditions have the activating effect on oxygen from surroundings contributing thus to the more pronounced oxidation of soot and to the decrease of the smoke released during polypropylene burning. The links with the burning of the polypropylene with alkaline magnesium compounds were searched.
Cited by 2
Ruey Shan Chen, Nurul Aishah Mohd Amran, Sahrim Ahmad · Journal of Thermal Analysis and Calorimetry · 2018
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