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Chemistry for Sustainable Development

2015 year, number 2

Structure and Thermal Characteristics of Composites Based on Polyethylene and Microspheres of Flue Ash

1Gorbachev Kuzbass State Technical University, Ul. Vesennyaya 28, Kemerovo 650000 (Russia)
2Institute of Coal Chemistry and Material Science, Siberian Branch of the Russian Academy of Sciences, Pr. Sovetskiy 18, Kemerovo 650000 (Russia)
3Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Lavrentyeva 5, Novosibirsk 630090 (Russia)
Keywords: composite mateirals, polyethylene, microspheres, IR spectroscopy, DSC, TGA, structure, combustion heat


Polymer matrix, filler and composites based on low-density polyethylene and flue ash microspheres were studied using IR spectroscopy, DSC and TG, as well as the data on combustion heat. It was demonstrated that the introduction of microspheres into the polyethylene matrix leads to the change of structure as a result of an increase in the degree of polymer crystallinity, and to the formation of new chemical bonds, decrease in melting point and heat of combustion of the composites, an increase in the temperature of the start of intense thermal destruction.