New Bio-Based Polyesters Made from Cellulose

  • Author: ChemSusChem
  • Published: 29 April 2020
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA
  • Source / Publisher: ChemSusChem/Wiley-VCH
  • Associated Societies: Chemistry Europe
thumbnail image: New Bio-Based Polyesters Made from Cellulose

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Polymers made from bio-based monomers could provide a more environmentally friendly and sustainable alternative to those made from fossil resources. Bio-based monomers can be obtained from sources such as starch, cellulose, or bio-ethanol. The resulting polymers could help to reduce the consumption of fossil resources and avoid large amounts of non-biodegradable waste.

Louis Mouterde, AgroParisTech, Pomacle, France, Stephen A. Miller, University of Florida, Gainesville, USA, Florent Allais, AgroParisTech and University of Florida, Gainesville, and colleagues have developed a simple, green synthesis of a completely bio-based monomer and used it to prepare new sustainable polyesters. Levoglucosenone (LGO), a building-block derived from cellulose, was dimerized in methanol in the presence of a catalytic amount of K2CO3 in high yield (pictured below). The resulting LGO–Cyrene™ dimer was converted to a bislactone monomer (2H-HBO-HBO, HBO = (S)-γ-hydroxymethyl-α,β-butenolide) using a Baeyer-Villiger oxidation with aqueous H2O2.


This new bislactone monomer was then subjected to polycondensation to produce bio-based polyesters with promising thermo-mechanical properties, comparable to those of some commercially available plastics. The material's properties can be further tuned by post-polymerization modifications. According to the researchers, this could widen the scope of applications of these bio-based cellulose-derived plastics.



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Magazine of Chemistry Europe (16 European Chemical Societies) published by Wiley-VCH