Initiators for Continuous Activator Regeneration (ICAR) Depolymerization

Chemical recycling of polymers synthesized by atom transfer radical polymerization (ATRP) typically requires high temperatures (i.e., 170 °C) to operate effectively, not only consuming unnecessary energy but also compromising depolymerization yields due to unavoidable end-group deterioration. To ove...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2024-12, Vol.146 (51), p.35023-35028
Main Authors: Jones, Glen R., Antonopoulou, Maria-Nefeli, Truong, Nghia P., Anastasaki, Athina
Format: Article
Language:English
Subjects:
Communication
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Summary:Chemical recycling of polymers synthesized by atom transfer radical polymerization (ATRP) typically requires high temperatures (i.e., 170 °C) to operate effectively, not only consuming unnecessary energy but also compromising depolymerization yields due to unavoidable end-group deterioration. To overcome this, the concept of initiators for continuous activator regeneration (ICAR) depolymerization is introduced herein as a broadly applicable approach to significantly reduce reaction temperatures for ATRP depolymerizations. Addition of commercially available free radical initiators enables the on-demand increase of depolymerization efficiency from
ISSN:0002-7863
1520-5126
1520-5126
DOI:10.1021/jacs.4c13785