Metal-Free Synthesis of Biobased Polyisoxazolines toward Sustainable Circular Materials

In this study, we report the synthesis of sustainable polyisoxazolines using a vanillin-derived bifunctional nitrile oxide monomer in metal-free nitrile oxide cycloaddition polymerization under mild conditions. The bioderived polyisoxazolines have high biomass contents in high yields with tunable gl...

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Bibliographic Details
Published in:ACS applied polymer materials 2023-09, Vol.5 (9), p.6747-6752
Main Authors: Mah, Justin J. Q., Wang, Chen-Gang, Surat’man, Nayli, Solco, Samantha Faye Duran, Suwardi, Ady, Wang, Sheng, Loh, Xian Jun, Li, Zibiao
Format: Article
Language:English
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Summary:In this study, we report the synthesis of sustainable polyisoxazolines using a vanillin-derived bifunctional nitrile oxide monomer in metal-free nitrile oxide cycloaddition polymerization under mild conditions. The bioderived polyisoxazolines have high biomass contents in high yields with tunable glass transition temperatures. The furan-containing polyisoxazoline could also be cross-linked by using dynamically exchangeable bonds to yield a circular material that can be easily reprocessed for multiple cycles after use. The material’s circularity was demonstrated by encapsulating a thermoelectric generator, which could be recycled easily to obtain the original generator and polymer for device refabrication, showing potential in reducing electronic waste in green electronic applications.
ISSN:2637-6105
2637-6105
DOI:10.1021/acsapm.3c01060