Distillable acid-base conjugate ionic liquids for cellulose dissolution and processing

Alistair W.T. King, Janne Asikkala, Ilpo Mutikainen, Paula Järvi, Ilkka Kilpeläinen

Research output: Contribution to journalArticleScientificpeer-review

165 Citations (Scopus)

Abstract

Heating up: Improved recyclability is necessary for ionic liquids destined for wood-based bioprocessing platforms. New "distillable" molten acid-base conjugates efficiently dissolve cellulose at temperatures of 100 °C. Increased temperature induces a shift of the acid-base equilibrium toward the neutral species (see picture, TMG=1,1,3,3-tetramethylguanidine), thus affording a vapor pressure and allowing for distillation of the mixture.

Original languageEnglish
Pages (from-to)6301-6305
Number of pages5
JournalAngewandte Chemie - International Edition
Volume50
Issue number28
DOIs
Publication statusPublished - 4 Jul 2011
MoE publication typeA1 Journal article-refereed

Keywords

  • biomass
  • cellulose dissolution
  • ionic liquids
  • lignocellulose
  • sustainable chemistry

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