Abstract
The composition, structure and morphology of particles of β-and α2-fraction powders of medium-temperature coal tar pitch were studied using the methods of electron microscopy, adsorption porosimetry, NMR, IR-EPR spectroscopy, X-ray diffractometry, thermal analysis, and chromatography-mass spectrometry. The morphology and structure of coke residues were investigated depending on the heating temperature. It has been established that polyaromatic hydrocarbons in the composition of volatile products of thermolysis of coal tar pitch are formed mainly during the decomposition of the β-fraction components. The results obtained are of interest from the point of view of the directions of using the isolated fractions of coal tar pitch as precursors for obtaining functional carbon materials.
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