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Issue 39, 2018, Issue in Progress
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Cellulose triacetate synthesis via one-pot organocatalytic transesterification and delignification of pretreated bagasse

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Abstract

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 °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 (∼90%) along with production of lignin acetate.

Graphical abstract: Cellulose triacetate synthesis via one-pot organocatalytic transesterification and delignification of pretreated bagasse

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Supplementary files

Article information


Submitted
05 May 2018
Accepted
06 Jun 2018
First published
13 Jun 2018

This article is Open Access

RSC Adv., 2018,8, 21768-21776
Article type
Paper

Cellulose triacetate synthesis via one-pot organocatalytic transesterification and delignification of pretreated bagasse

S. Suzuki, Y. Shibata, D. Hirose, T. Endo, K. Ninomiya, R. Kakuchi and K. Takahashi, RSC Adv., 2018, 8, 21768
DOI: 10.1039/C8RA03859G

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