Dissolution enthalpies of cellulose in ionic liquids

H. Parviainen, A. Parviainen, T. Virtanen, I. Kilpeläinen, P. Ahvenainen, R. Serimaa, Stina Grönqvist, T. Maloney, S.L. Maunu (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Abstract

In this work, interactions between cellulose and ionic liquids were studied calorimetrically and by optical microscopy. Two novel ionic liquids (1,5-Diazabicyclo[4.3.0]non-5-enium propionate and N-methyl-1,5-diazabicyclo[4. 3.0]non-5-enium dimethyl phosphate) and 1-ethyl-3-methylimidazolium acetate-water mixtures were used as solvents. Optical microscopy served in finding the extent of dissolution and identifying the dissolution pattern of the cellulose sample. Calorimetric studies identified a peak relating to dissolution of cellulose in solvent. The transition did, however, not indicate complete dissolution, but rather dissolution inside fibre or fibrils. This method was used to study differences between four cellulose samples with different pretreatment or origins.
Original languageEnglish
Pages (from-to)67-76
JournalCarbohydrate Polymers
Volume113
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Fingerprint

Ionic Liquids
Ionic liquids
Cellulose
Enthalpy
Dissolution
Optical microscopy
Propionates
Phosphates
Water
Fibers

Keywords

  • cellulose
  • ionic liquids
  • fibre dissolution
  • differential scanning calorimetry

Cite this

Parviainen, H., Parviainen, A., Virtanen, T., Kilpeläinen, I., Ahvenainen, P., Serimaa, R., ... Maunu, S. L. (2014). Dissolution enthalpies of cellulose in ionic liquids. Carbohydrate Polymers, 113, 67-76. https://doi.org/10.1016/j.carbpol.2014.07.001
Parviainen, H. ; Parviainen, A. ; Virtanen, T. ; Kilpeläinen, I. ; Ahvenainen, P. ; Serimaa, R. ; Grönqvist, Stina ; Maloney, T. ; Maunu, S.L. / Dissolution enthalpies of cellulose in ionic liquids. In: Carbohydrate Polymers. 2014 ; Vol. 113. pp. 67-76.
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Parviainen, H, Parviainen, A, Virtanen, T, Kilpeläinen, I, Ahvenainen, P, Serimaa, R, Grönqvist, S, Maloney, T & Maunu, SL 2014, 'Dissolution enthalpies of cellulose in ionic liquids', Carbohydrate Polymers, vol. 113, pp. 67-76. https://doi.org/10.1016/j.carbpol.2014.07.001

Dissolution enthalpies of cellulose in ionic liquids. / Parviainen, H.; Parviainen, A.; Virtanen, T.; Kilpeläinen, I.; Ahvenainen, P.; Serimaa, R.; Grönqvist, Stina; Maloney, T.; Maunu, S.L. (Corresponding Author).

In: Carbohydrate Polymers, Vol. 113, 2014, p. 67-76.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Dissolution enthalpies of cellulose in ionic liquids

AU - Parviainen, H.

AU - Parviainen, A.

AU - Virtanen, T.

AU - Kilpeläinen, I.

AU - Ahvenainen, P.

AU - Serimaa, R.

AU - Grönqvist, Stina

AU - Maloney, T.

AU - Maunu, S.L.

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AB - In this work, interactions between cellulose and ionic liquids were studied calorimetrically and by optical microscopy. Two novel ionic liquids (1,5-Diazabicyclo[4.3.0]non-5-enium propionate and N-methyl-1,5-diazabicyclo[4. 3.0]non-5-enium dimethyl phosphate) and 1-ethyl-3-methylimidazolium acetate-water mixtures were used as solvents. Optical microscopy served in finding the extent of dissolution and identifying the dissolution pattern of the cellulose sample. Calorimetric studies identified a peak relating to dissolution of cellulose in solvent. The transition did, however, not indicate complete dissolution, but rather dissolution inside fibre or fibrils. This method was used to study differences between four cellulose samples with different pretreatment or origins.

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KW - ionic liquids

KW - fibre dissolution

KW - differential scanning calorimetry

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Parviainen H, Parviainen A, Virtanen T, Kilpeläinen I, Ahvenainen P, Serimaa R et al. Dissolution enthalpies of cellulose in ionic liquids. Carbohydrate Polymers. 2014;113:67-76. https://doi.org/10.1016/j.carbpol.2014.07.001