Homogeneous Acetylation of Cellulose at Relatively High Concentrations in an Ionic Liquid

曹妍; 张军; 何嘉松; 李会泉; 张懿

doi:10.1016/S1004-9541(10)60252-2

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Homogeneous Acetylation of Cellulose at Relatively High Concentrations in an Ionic Liquid

Updated：2026-01-06

- Homogeneous Acetylation of Cellulose at Relatively High Concentrations in an Ionic Liquid
- Chinese Journal of Chemical Engineering Vol. 18, Issue 3, Pages: 515-522(2010)
- Affiliations：
  
  1. Key Laboratory of Green Process Engineering, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Engineering Plastics (KLEP), Joint Laboratory of Polymer Science and Materials, Institute of Chemistry, Chinese Academy of Sciences (CAS),Beijing,China,100190
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(10)60252-2
  CLC：
- Published：2010
- Accepted：
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CAO Yan, ZHANG Jun, HE Jiasong, LI Huiquan, ZHANG Yi. Homogeneous Acetylation of Cellulose at Relatively High Concentrations in an Ionic Liquid[J]. , 2010, 18(3): 515-522.
DOI：

CAO Yan, ZHANG Jun, HE Jiasong, LI Huiquan, ZHANG Yi. Homogeneous Acetylation of Cellulose at Relatively High Concentrations in an Ionic Liquid[J]. , 2010, 18(3): 515-522. DOI： 10.1016/S1004-9541(10)60252-2.

摘要

Abstract

At relatively high cellulose mass concentrations(8%

10%

and 12%)

homogeneous acetylation of cellulose was carried out in an ionic liquid

1-allyl-3-methylimidazolium chloride(AmimCl).Without using any catalyst

cellulose acetates(CAs)with the degree of substitution(DS)in a range from 0.4 to 3.0 were synthesized in one-step.The effects of reaction time

temperature and molar ratio of acetic anhydride/anhydroglucose unit(AGU) in cellulose on DS value of CAs were investigated.The synthesized CAs were characterized by means of FT-IR

NMR

and solubility

mechanical and thermal tests.After the acetylation

the used ionic liquid AmimCl was easily recycled and reused.This study shows the potential of the homogeneous acetylation of cellulose at relatively high concentrations in ionic liquids in future industrial applications.

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Related Institution

2 Guangxi Branch of China Academy of Science and Technology Development

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Institute of Process Systems Engineering, College of Chemical Engineering, Qingdao University of Science and Technology

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