Mechanochemical Degradation and Recycling of Synthetic Polymers

Author:

Zhou Junfeng1ORCID,Hsu Tze‐Gang1ORCID,Wang Junpeng1ORCID

Affiliation:

1. School of Polymer Science and Polymer Engineering The University of Akron Akron OH 44325 USA

Abstract

AbstractThe accumulation of plastic waste, due to lack of recycling, has led to serious environmental pollution. Although mechanical recycling can alleviate this issue, it inevitably reduces the molecular weight and weakens the mechanical properties of materials and is not suitable for mixed materials. Chemical recycling, on the other hand, breaks the polymer into monomers or small‐molecule constituents, allowing for the preparation of materials of quality comparable to that of the virgin polymers and can be applied to mixed materials. Mechanochemical degradation and recycling leverages the advantages of mechanical techniques, such as scalability and efficient energy use, to achieve chemical recycling. We summarize recent progress in mechanochemical degradation and recycling of synthetic polymers, including both commercial polymers and those designed for more efficient mechanochemical degradation. We also point out the limitations of mechanochemical degradation and present our perspectives on how the challenges can be mitigated for a circular polymer economy.

Funder

Division of Chemistry

Publisher

Wiley

Subject

General Chemistry,Catalysis

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