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Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
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Degradable Water-Swellable Elastomers from Biobased Deep Eutectic Monomers.

Lucila Navarro1, Matías D Hartman2, Sebastian Locatelli3

  • 1Group of Applied Organic Chemistry, Instituto de Desarrollo Tecnológico para la Industria Química (INTEC), CCT-Santa Fe, CONICET-UNL, Colectora Ruta Nacional. 168, Km 1, Paraje EL Pozo, Santa Fe 3000, Argentina.

ACS Sustainable Chemistry & Engineering
|April 17, 2026
PubMed
Summary

Researchers developed new biodegradable, antimicrobial elastomers using deep eutectic monomers (DEMs). These functional polymers are synthesized sustainably from choline chloride-based ionic diols and bio-based diacids, offering tunable properties for various applications.

Keywords:
antimicrobial activityionic diolsitaconic acidpolyDES elastomerspolymerizable eutectic solvents (PDES)succinic acid

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Sustainable Chemistry

Background:

  • Deep eutectic monomers (DEMs) offer a novel approach to creating functional polymers from eutectic mixtures.
  • Existing polymer synthesis methods often involve harsh conditions and non-renewable resources.

Purpose of the Study:

  • To synthesize a new family of degradable cationic polyester elastomers using DEMs.
  • To explore the structure-property relationships of these elastomers by varying monomer architecture.
  • To evaluate the potential of these materials in biomedical and antimicrobial applications.

Main Methods:

  • Synthesis of DEMs from choline chloride-based ionic diols and bio-sourced diacids (itaconic, succinic acids).
  • Solvent-free polycondensation of DEMs under mild conditions.
  • Systematic variation of ionic diol chain length and diacid ratios to control network properties.

Main Results:

  • Successful formation of water-swellable, biodegradable cationic polyester elastomers.
  • Tunable cross-linking density, chain mobility, swelling behavior, and ionic conductivity.
  • Demonstrated intrinsic antimicrobial activity, enhanced by molecular design.

Conclusions:

  • Eutectic monomer engineering provides a sustainable route to advanced functional elastomers.
  • These materials hold promise for transient, resorbable, and biocompatible applications like tissue scaffolding and wound care.
  • The developed elastomers offer tunable antimicrobial properties and ionic conductivity.