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June 12, 2026Macromolecules

High-Density Cleavable Epoxy Networks for Rapid Chemical Recycling to Monomer Recovery under Mild Conditions

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Authors

YHYounggi HongKonkuk UniversityJLJuyeong LeeKonkuk University Medical CenterYCYoungji ChoKonkuk University

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Implication

Randomized trial demonstrates effective monomer recovery from epoxy thermosets, highlighting sustainability potential.

Key Points

  • The research aims to develop an efficient method for recycling biobased epoxy thermosets to recover their monomer components.
  • Developed a biobased epoxy thermoset from eugenol with multicleavable urethane bonds.
  • Conducted depolymerization studies under mild alkaline conditions (1 M NaOH, 50 °C).
  • Applied the depolymerization process to carbon fiber reinforced polymer composites.
  • Achieved up to 94% recovery of key molecular components, including Eu-diol and eugenol.
  • Successfully reused recovered monomers to synthesize regenerated thermosets with comparable properties.
  • Enabled selective removal of the epoxy matrix in CFRP composites while preserving carbon fiber architecture.

Cite This Study

Hong et al. (2026) studied this question.

synapsesocial.com/papers/6a2ba20e8101cf8926f012eahttps://doi.org/10.1021/acs.macromol.6c00907
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