A rapid electrochemical method to recycle carbon fiber composites using methyl radicals

Zehan Yu; Y. Justin Lim; Travis Williams; Steven Nutt

doi:10.1039/D3GC01765F

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A rapid electrochemical method to recycle carbon fiber composites using methyl radicals†

Zehan Yu,

‡^a Y. Justin Lim,

‡^b Travis Williams

*^b and Steven Nutt*^a

Author affiliations

* Corresponding authors

^a MC Gill Composites Center, Mork Family Department of Chemical Engineering and Material Science, University of Southern California, 3651 Watt Way, Los Angeles, California, USA
E-mail: nutt@usc.edu

^b Loker Hydrocarbon Research Institute, Wrigley Institute of Environmental Studies, and Department of Chemistry, University of Southern California, 837 Bloom Walk, Los Angeles, California, 90089, USA
E-mail: travisw@usc.edu

Abstract

We introduce an electrochemical approach to recycle carbon fiber (CF) fabrics from amine-epoxy carbon fiber-reinforced polymers (CFRPs). Our novel method utilizes a Kolbe-like mechanism to generate methyl radicals from CH₃COOH to cleave C–N bonds within epoxy matrices via hydrogen atom abstraction. Recovered CFs are then remanufactured into CFRPs without resizing.

This article is part of the themed collections: Advances in Electrosynthesis for a Greener Chemical Industry, 2023 Green Chemistry Hot Articles and Sustainable Composites

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Article information

DOI: https://doi.org/10.1039/D3GC01765F
Article type: Communication
Submitted: 24 May 2023
Accepted: 19 Jul 2023
First published: 27 Jul 2023

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Green Chem., 2023,25, 7058-7061

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A rapid electrochemical method to recycle carbon fiber composites using methyl radicals

Z. Yu, Y. J. Lim, T. Williams and S. Nutt, Green Chem., 2023, 25, 7058 DOI: 10.1039/D3GC01765F

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Green Chemistry

A rapid electrochemical method to recycle carbon fiber composites using methyl radicals†

Abstract

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A rapid electrochemical method to recycle carbon fiber composites using methyl radicals

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