This work presents a solvent-free recycling method for epoxy-based vitrimers using cystamine as a reactant and depolymerizing agent. The process depolymerizes the vitrimer network via disulfide exchange, enabling the recovery of amine-terminated oligomers that can be re-crosslinked. Applied to carbon-fiber composites, it offers a scalable, sustainable closed-loop recycling solution.
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S. Guggari, F. Magliozzi, S. Malburet, A. Graillot, M. Destarac and M. Guerre, Green Chem., 2025, 27, 6392 DOI: 10.1039/D5GC01872B
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