Journal
RSC ADVANCES
Volume 8, Issue 39, Pages 21768-21776Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra03859g
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Cellulose triacetate was synthesised by the transesterification reaction of mild acid-pretreated lignocellulosic biomass with a stable acetylating reagent (isopropenyl acetate, IPA) in an ionic liquid (1-ethyl-3-methylimidazolium acetate, EmimOAc) which enabled the dissolution of lignocellulose as well as the organocatalytic reaction. The homogeneous acetylation of pretreated sugar-cane bagasse was carried out under mild conditions (80 degrees C, 30 min), and the subsequent reprecipitation processes led to enriched cellulose triacetate with a high degree of substitution (DS; 2.98) and glucose purity (approximate to 90%) along with production of lignin acetate.
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