- PII
- S3034607XS0023117725030023-1
- DOI
- 10.7868/S3034607X25030023
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume / Issue number 3
- Pages
- 11-21
- Abstract
- The article presents the results of the study of the composition and thermal transformations of α-fraction (quinoline-soluble, toluene-insoluble), isolated from the pitch product of thermal dissolution of coal in a binary mixture of technical solvents of coal and oil origin. Based on thermal analysis data, the dynamics of α-fraction destruction with the release of volatile substances in the temperature range up to 1100°C was established. Carbonized products were obtained by carbonization of the α-fraction. The features of the molecular composition and spatial structure of the starting materials and the obtained carbonizates depending on temperature were studied using chemical analysis, IR spectroscopy, CP/MAS C NMR and X-ray diffraction. A consistent transformation of spatial structural components into packet turbostratic and graphite domains was established. It was shown that at an elevated temperature of 1100°C, extended forms of graphite domains are formed — precursors of needle coke.
- Keywords
- терморастворение пек α2-фракция карбонизация игольчатый кокс
- Date of publication
- 25.12.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 33
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