Cited by 178Ionic liquids properties and applicationsAdvanced Cellulose Research StudiesRheology and Fluid Dynamics Studies

Viscosity of Cellulose−Imidazolium-Based Ionic Liquid Solutions

Sescousse, Romain, Le, Kim Anh, Ries, Michael E., Budtova, Tatiana·2010·The Journal of Physical Chemistry B

Abstract

The viscosities of microcrystalline cellulose dissolved in 1-ethyl-3-methylimidazolium acetate (EMIMAc) and in 1-butyl-3-methylimidazolium chloride (BMIMCl) were studied in detail as a function of polymer concentration and temperature. The goal was to compare the flow of solutions, macromolecule hydrodynamic properties in each solvent, and the activation energies of viscous flow. Intrinsic viscosities were determined using the truncated form of the general Huggins equation. In both solvents cellulose intrinsic viscosity decreases with increasing temperature, indicating the decrease of solvent thermodynamic quality. The activation energies for both types of cellulose solutions were calculated. For cellulose-EMIMAc the Arrhenius plot showed a concave shape, and thus the Vogel-Tamman-Fulcher (VTF) approach was used. We suggest an improved method of data analysis for the determination of VTF constants and demonstrate that cellulose-EMIMAc solution viscosity obeys VTF formalism. Once the dependences of Arrhenius activation energy and VTF pseudo-activation energy were obtained for the whole range of concentrations studied, they were all shown to be described by a simple power-law function of polymer concentration.

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Crossref · 10.1021/jp1024203

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  • Close association between anions and cellulose hydroxyl groups was confirmed by NMR studies on ionic liquid solutions of glucose and cellobiose and molecular dynamics studies of [C2C1im][MeCO2] or [C4C1im]Cl with celloligomers.

    “This close association was confirmed by NMR studies on ionic liquid solutions of glucose and cellobiose 81 and molecular dynamics studies of the interaction of [C 2 C 1 im][MeCO 2 ] 82 or [C 4 C 1 im]Cl 83 with celloligomers.”

    From Deconstruction of lignocellulosic biomass with ionic liquids (2013) · cites this paper as [82]

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Authors
Sescousse, R., Le, K. A., Ries, M. E., & Budtova, T.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Budtova, Tatiana
Venue
The Journal of Physical Chemistry B
Published
2010-05-12
Volume
114
Issue
21
Pages
7222-7228
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
OpenAlex
W2086679874
Cited by
178
References
33
Citations by year
2026: 1 · 2025: 5 · 2024: 6 · 2023: 13 · 2022: 8 · 2021: 13 · 2020: 12 · 2019: 18 · 2018: 10 · 2017: 11 · 2016: 14 · 2015: 11 · 2014: 11 · 2013: 12 · 2012: 21
FWCI
6.02
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Physical Chemistry B (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-06-MAPR-0004)
Topics
  • Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
  • Physical Sciences › Materials Science › Biomaterials › Advanced Cellulose Research Studies
  • Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Rheology and Fluid Dynamics Studies
Keywords
cellulose solutions, ionic liquids, imidazolium chloride, viscosity, intrinsic viscosity, Huggins equation, activation energy, temperature dependence, polymer concentration dependence, solvent quality
MeSH terms
Cellulose, Imidazoles, Solvents, Temperature, Thermodynamics, Viscosity, Ionic Liquids

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