RT journal article
T1 Catalytic Hydrothermal Treatment for the Recycling of Composite Materials from the Aeronautics Industry
A1 Vázquez Fernández, José Manuel
A1 Abelleira Pereira, José María
A1 García Jarana, María Belén
A1 Cardozo-Filho, Lucio
A1 Sánchez Oneto, Jezabel
A1 Portela Miguélez, Juan Ramón
A2 Ingeniería Química y Tecnología de Alimentos
K1 carbon fiber
K1 catalyst
K1 epoxy resin
K1 hydrothermal processes
K1 recycling
AB Epoxy resin composite matrices reinforced with carbon fibers are highly demanded by certain industries such as the aeronautics industry because of their exceptional mechanical properties. Unfortunately, the use of reinforcing carbon fibers makes these composite materials hard to recycle by conventional methods. Therefore, in this study, specific hydrothermal treatments have been employed to recover carbon fibers from the offcuts of composite parts from the aeronautics industry. The resin decomposition rates (DRs) achieved by different settings of the operating parameters, such as the use of alkaline catalysts (KOH, NaOH, or K2CO3), the application of mechanical stirring, the use of different reaction times, the solvent volume/composite mass ratio, the specific surface area (surface area/mass) of the composite pieces, and the operating temperature and pressure (subcritical or supercritical conditions), have been examined and assessed. Under the conditions that have been evaluated, resin decomposition rates nearly as high as 98% have been achieved, while the recycled fibers retained over 95% of their original tensile strength (TS).
PB MDPI
SN 2076-3417
YR 2024
FD 2024-11
LK http://hdl.handle.net/10498/35226
UL http://hdl.handle.net/10498/35226
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 07-nov-2026