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  2. All Volumes and Issues
  3. Volume 15, Number 2, 2021
  4. Production of Bitumen Modified with Low-Molecular Organic Compounds from Petroleum Residues. 1. Effect of Solvent Nature on the Properties of Petroleum Residues Modified with Folmaldehyde

Production of Bitumen Modified with Low-Molecular Organic Compounds from Petroleum Residues. 1. Effect of Solvent Nature on the Properties of Petroleum Residues Modified with Folmaldehyde

JCCT.
2021;
Volume 15, Number 2
: pp. 274 - 283
https://doi.org/10.23939/chcht15.02.274
Authors:
  1. Michael Bratychak
  2. Volodymyr Gunka
  3. Yuriy Prysiazhnyi
  4. Yurii Hrynchuk
  5. Iurii Sidun
  6. Yuriy Demchuk
  7. Olena Shyshchak
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University
3
Lviv Polytechnic National University
4
Institute of Chemistry and Chemical Technology Lviv Polytechnic National University
5
Lviv Polytechnic National University
6
Lviv Polytechnic National University, Danylo Halytsky Lviv National Medical University
7
Lviv Polytechnic National University

The possibility of petroleum residues (tar and oxidized bitumen) modification with formaldehyde (37 % aqueous solution) has been studied at the temperature of 393±3 K for 3 h in the presence of organic solvent and using hydrochloric acid as a catalyst. Toluene, p-xylene, naphta solvent and n-octane were used as the solvents in the amount of 0–40 wt % relative to the initial material. By means of IR spectroscopy the resin-like compounds affecting the operational properties of petroleum residues have been detected. These compounds are formed as a result of formaldehyde reaction with residue components and solvent molecules.

petroleum residues
formaldehyde
organic solvents
modified bitumen
IR spectroscopy
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