Comparison of Coal Tar Pitch and Petroleum Pitches in the Reactions of Thermal Solvolysis of Thermosetting Polymers
A. S. KABAK1,2, E. I. ANDREIKOV1,2
1Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russia
2JSC VUKhIN, Ekaterinburg, Russia
Keywords: thermal solvolysis, coal tar pitch, petroleum pitch, fiber reinforced plastic, recycling
Pages: 540-547
Abstract
The thermal solvolysis of epoxy diane resin (ED-20) and glass and carbon fibre reinforced plastics (FRP) in the medium of coal tar pitch and petroleum pitches was studied. The components of liquid-phase decomposition products were identified by gas chromatography-mass spectrometry; solvolysis residues were characterized. The mechanism of thermal solvolysis of epoxy resin in coal tar pitch and in petroleum pitches was proposed. The possibility of carbon and glass fibre recycling as a result of thermal solvolysis of FRP in coal tar pitch and in petroleum pitches was demonstrated. Coal tar pitch and petroleum pitches were compared as solvents for thermal solvolysis.
DOI: 10.15372/CSD2020263
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