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<p>Results are given for a study on the thermopolycondensation of heavy pyrolysis resins in the presence of organic peroxides and heavy aromatic fractions of heavy pyrolysis tar (bp 350-450°C) with various sulfur contents. Feasibility was demonstrated for obtaining high-melting pyrolysis pitches by two-stage thermopolycondensation of a fraction of heavy pyrolysis tar with boiling onset at 350°C. An experimental study showed an effect of a solvent with a high content of polycyclic aromatic compounds on the formation of toluene-insoluble components.</p>

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Thermopolycondensation of Heavy Pyrolysis Tar in a Heavy Aromatic Solvent in the Presence of an Organic Peroxide Catalyst

  • 期刊论文

  • 发表日期：

    2026年6月22日

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  • A. A. Mukhamedzyanova,
  • R. A. Zelenkova,
  • I. A. Ikhsanov,
  • G. M.Sidorov,
  • E. V. Grokhotova

摘要

Results are given for a study on the thermopolycondensation of heavy pyrolysis resins in the presence of organic peroxides and heavy aromatic fractions of heavy pyrolysis tar (bp 350-450°C) with various sulfur contents. Feasibility was demonstrated for obtaining high-melting pyrolysis pitches by two-stage thermopolycondensation of a fraction of heavy pyrolysis tar with boiling onset at 350°C. An experimental study showed an effect of a solvent with a high content of polycyclic aromatic compounds on the formation of toluene-insoluble components.