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  Understanding cellulose dissolution: energetics of interactions of ionic liquids and cellobiose revealed by solution microcalorimetry

Nunes de Oliveira, H. F., & Rinaldi, R. (2015). Understanding cellulose dissolution: energetics of interactions of ionic liquids and cellobiose revealed by solution microcalorimetry. ChemSusChem, 8(9), 1577-1584. doi:10.1002/cssc.201500272.

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 Creators:
Nunes de Oliveira, Heitor Fernando1, Author              
Rinaldi, Roberto2, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Research Group Rinaldi, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445617              

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Free keywords: calorimetry; cellulose; dissolution; electrolytes; ionic liquids
 Abstract: In this report, the interactions between fifteen selected ionic liquids (ILs) and cellobiose (CB) are examined by high-precision solution microcalorimetry. The heat of mixing (Δmix H) of CB and ILs, or CB and IL/molecular solvent (MS) solutions, provides the first ever-published measure of the affinity of CB with ILs. Most importantly, we found that there is a very good correlation between the nature of the results found for Δmix H(CB) and the solubility behavior of cellulose. This correlation suggests that Δmix H(CB) offers a good estimate of the enthalpy of dissolution of cellulose even in solvents in which cellulose is insoluble. Therefore, the current findings open up new horizons for unravelling the intricacies of the thermodynamic factors accounting for the spontaneity of cellulose dissolution in ILs or IL/MS solutions.

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Language(s): eng - English
 Dates: 2015-04-082015-05-11
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/cssc.201500272
 Degree: -

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Title: ChemSusChem
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 8 (9) Sequence Number: - Start / End Page: 1577 - 1584 Identifier: ISSN: 1864-5631
CoNE: https://pure.mpg.de/cone/journals/resource/1864-5631