Thermal Regeneration and Reuse of Carbon and Glass Fibers from Waste Composites

This article aims to develop a method for regenerating and reusing carbon glass fibers extracted from unrecyclable scraps of plastics, printer parts, laminating coating. A comparison known methods fiber regeneration revealed the advantages thermal treatment: absence costs reagents complex equipment; better preservation composition; strength fibers. Based on results thermographic analysis wastes in nitrogen air, destruction temperatures their organic matrices were determined (200-460°?), use calcination instead pyrolysis was justified. The appearance surface quality regenerated are characterized by optical electron microscopy. It has been established that quantitative extraction pure waste crushed 1 cm is efficient at 700 °C 0.5 h 500 h, respectively. principle creating new composites with obtained based similarity composition binding materials (matrices) proposed. shown introduction wt% into slag blocks active pellets considerably increases compressive strength, but bending does not change due dispersed reinforcement. Possible improvement mechanical properties products requires reagent treatment or binder additives. Calculations show developed recycling composite can produce 2.3 tons/hour reinforced building good environment economy, excluding expenses landfill disposal reducing cost product replacing primary secondary one. Doi: 10.28991/ESJ-2022-06-05-04 Full Text: PDF