Complete dissolution and partial delignification of wood in the ionic liquid 1-ethyl-3-methylimidazolium acetate

By N. Sun, Mustafizur Rahman, Ying Qin, Mirela L. Maxim, H. Rodríguez, R. Rogers. 2009

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Ionic liquids as a tool for lignocellulosic biomass fractionation (2013, methodology): “As it was stated before the increased basicity of the [CH3COO] anion makes it more efficient at disrupting the inter- and intramolecular hydrogen bonding in biopolymers than Cl anion [25].”
Processing and valorization of cellulose, lignin and lignocellulose using ionic liquids (2020, background): “The ILs with the higher hydrogen bond basicity like EmimAc exhibit better capability in dissolving lignocellulose (Sun et al., 2009).”
Cellulose Chemistry and Properties: Fibers, Nanocelluloses and Advanced Materials (2016, background): “Analysis of particle size distribution shows that cellulose particles with a size of 80–260 nm are accessible in this simple manner [102].”
Simplified determination of lignin content in hard and soft woods via UV-spectrophotometric analysis of biomass dissolved in ionic liquids (2010, methodology): “Imidazolium-based ILs have been used to solubilize cellulose, lignin, and lignocelluloses at levels of 22, 13.9, and 5.0 wt %, respectively (Fort et al. 2006; Kilpelainen et al. 2007; Pu et al. 2007; Remsing et al. 2006; Sun et al. 2009; Swatloski et al. 2002; Zhu et al. 2006).”
CHALLENGES IN INDUSTRIAL APPLICATIONS OF TECHNICAL LIGNINS (2011, background): “For instance, Tan et al. (2009) have reported dissolution of 93% of lignin contained in bagasse by the use of alkylbenzenesulfonate ionic liquid.”