On the influence of imidazolium ionic liquids on cellulose derived polymers

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9 Citations (Scopus)


The demand for better cellulose solvents has driven the search for new and improved materials to enable the processing of this polysaccharide. Ionic liquids have been debated for a long time as interesting alternatives, but the molecular details on the solubilization mechanism have been a matter of controversy. Herein, for the first time, the structure and dynamics of hydroxypropylcellulose (HPC) liquid crystal solutions were probed in the presence of imidazolium ionic liquids (ILs), conjugating rheological measurements with magnetic resonance spectroscopy. This study provides a characterization of the solutions macroscopic behaviour, where the liquid crystalline (LC) properties were maintained. Using ILs with different side chain lengths, the influence of the hydrophobic IL domain in the solvation abilities of ILs towards a cellulose derived polymer was accessed, providing experimental evidence on these interactions.

Original languageEnglish
Pages (from-to)353-360
Number of pages8
JournalEuropean Polymer Journal
Publication statusPublished - 1 May 2019


  • High resolution magic angle spinning
  • Hydroxypropylcellulose
  • Ionic liquids
  • Molecular interactions
  • Rheo-NMR
  • Rheology


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