Issue 16, 2023

Renewable and water-degradable polyimide-esters from citric acid

Abstract

Citric acid is an abundant, naturally occurring small molecule that affords a cyclic imide when condensed with a primary amine. The reaction of a reduced derivative of citric acid and glycine yields a cyclic imide diacid. This monomer was copolymerized with a variety of linear diols and sugar-derived diols, yielding copolymers with a tunable glass transition temperature ranging from Tg = 25 to 134 °C. Unlike most polyesters, these polyimide-esters hydrolyze under environmentally-relevant conditions and thus, show promise as sustainable replacements for high Tg commodity plastics.

Graphical abstract: Renewable and water-degradable polyimide-esters from citric acid

Supplementary files

Article information

Article type
Communication
Submitted
24 5月 2023
Accepted
26 7月 2023
First published
07 8月 2023

Green Chem., 2023,25, 6200-6206

Author version available

Renewable and water-degradable polyimide-esters from citric acid

Y. Su, G. N. Short and S. A. Miller, Green Chem., 2023, 25, 6200 DOI: 10.1039/D3GC01779F

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