Issue 85, 2025

Synthesis of a CO2-based polyester for remarkably improving the toughness, UV-resistance and degradability of bio-based polylactic acid

Abstract

Bio-based and carbon dioxide (CO2)-derived polymers are promising sustainable alternatives to fossil-based polymers, contributing significantly to resource sustainability and CO2 emission reduction. Here, a CO2-based polyester was synthesized and utilized to modify bio-based polylactic acid (PLA), resulting in a composite material that exhibits outstanding mechanical properties, enhanced ultraviolet (UV) resistance, and a rapid degradation rate. Moreover, the introduction of a degradable ester backbone has also enabled the composite to be completely degraded under mild conditions to recover lactic acid, achieving closed-loop recycling.

Graphical abstract: Synthesis of a CO2-based polyester for remarkably improving the toughness, UV-resistance and degradability of bio-based polylactic acid

Supplementary files

Article information

Article type
Communication
Submitted
02 Sep 2025
Accepted
11 Sep 2025
First published
15 Sep 2025

Chem. Commun., 2025,61, 16600-16603

Synthesis of a CO2-based polyester for remarkably improving the toughness, UV-resistance and degradability of bio-based polylactic acid

J. Li, H. Liu, Y. Jiang, X. Hu and D. Zhang, Chem. Commun., 2025, 61, 16600 DOI: 10.1039/D5CC04978D

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