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September 10, 2025ChemSusChemOpen Access

Mechanochemical and Aging‐Based SN2 Method to Access CO2‐Responsive, High‐Amine‐Loading Chitosan

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Authors

GYGalen YangRKRachel S. KorchinskyJSJustine Sauvé‐St‐Pierre

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Overview

This mechanochemical method enhances CO2-responsive chitosan properties, achieving a notable degree of substitution, indicating better biopolymer functionality.

Key Points

  • Functionalizing chitosan with tertiary amines results in significant CO2-responsiveness, enhancing its potential uses.
  • The approach achieved a degree of substitution of 1.67 per sugar unit, doubling previous methods and improving scalability.
  • Mechanochemical and aging-based techniques enable efficient functionalization with minimal reagent use, minimizing environmental impact.
  • The study demonstrates a reversible increase in osmotic pressure of aminoalkylated chitosan solutions, emphasizing the material's responsiveness.

Cite This Study

Yang et al. (2025) studied this question.

synapsesocial.com/papers/68c1afd354b1d3bfb60e8242https://doi.org/10.1002/cssc.202501187
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