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  3. Volume 15, Number 3, 2021
  4. Compositional Fibers Based on Coal Tar Mesophase Pitch Obtained by Electrospinning Method

Compositional Fibers Based on Coal Tar Mesophase Pitch Obtained by Electrospinning Method

JCCT.
2021;
Volume 15, Number 3
: pp. 403–407
https://doi.org/10.23939/chcht15.03.403
Authors:
  1. Aldan Imangazy
  2. Gaukhar Smagulova
  3. Bayan Kaidar
  4. Zulkhair Mansurov
  5. Almagul Kerimkulova
  6. Kuanysh Umbetkaliev
  7. Anvar Zakhidov
  8. Pavel Vorobyev
  9. Talkybek Jumadilov
1
Institute of Chemical Sciences after A.B. Bekturov
2
Kazakh National University named after al-Farabi, Institute of Combustion Problems
3
Kazakh National University named after al-Farabi, Institute of Combustion Problems
4
Kazakh National University named after al-Farabi, Institute of Combustion Problems
5
Kazakh National University named after al-Farabi, Institute of Combustion Problems
6
Kazakh National University named after al-Farabi
7
University of Texas at Dallas
8
Bekturov Institute of Chemical Sciences
9
Institute of Chemical Sciences after A.B. Bekturov

This research examines the use of coal-processing wastes of Shubarkol deposit (Kazakhstan) in obtaining useful materials such as carbon fibers. For our experiments, mesophase pitch was obtained by coal tar heat treatment at 773 K. Spinnable solution was prepared by crushing mesophase pitch into the pieces with adding poly(methylmethacrylate) as a fiber-forming material and 1,2-dichloroethane as a solvent. Elemental analysis revealed that the chemical composition of mesophase pitch (С – 91.48 %; О – 8.52 %; S – 0.00 %) showed that heat treatment up to 773 K leads to the complete removal of sulfur-containing components which affect the mesophase formation. Raman data of the obtained pitch revealed the appearance of D (1366 cm-1) and G (1605 cm-1) peaks, which are responsible for carbon materials; another peak at 2900 cm-1 shows the presence of C–H bonds. Carbon fibers with the diameter of 0.8–1.75 μm were obtained by electrospinning method in laboratory settings.

coal tar
mesophase pitch
electrospinning
carbon fiber
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