2017
DOI: 10.1002/macp.201700208
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Dissolution Capacity of Novel Cellulose Solvents Based on Triethyloctylammonium Chloride

Abstract: Dissolution of cellulose from various sources (microcrystalline cellulose and different dissolving grade pulp fibers) is investigated in solvent systems based on triethyl(n‐octyl)ammonium chloride (N2228Cl). Clear cellulose solutions are obtained with N2228Cl in a variety of solvents, e.g., dimethyl sulfoxide, N,N‐dimethylacetamide, and acetone. It is possible to prepare clear cellulose solutions from pulp fibers with concentrations up to 15 wt%. However, it is found that the cellulose is degraded, especially … Show more

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Cited by 6 publications
(7 citation statements)
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“…Cellulose samples with different degree of polymerization (DP = 135, 288, 534, 582) were dissolved in binary mixtures of N,N,N-triethyl-N-octylammonium chloride (N 2228 Cl) in 22 MSs with very small SA, including strongly dipolar aprotic ones, e.g., DMAc, DMF, DMSO, acetonitrile, Sulf, and weakly dipolar ones, e.g., ethyl acetate, tetrahydropyran, N-methylpyrrol, 1-pentatnone. Cellulose was found to be soluble in QAE/MS with SB values >0.5 [65]. Cellulose was dissolved in mixtures of BuMeImAcO and EtMeImAcO with MSs, including DMAc, DMSO, DMI, tetramethyl urea, and Sulf.…”
Section: Binary Mixtures Of Ionic Liquids-molecular Solvents As Cellumentioning
confidence: 99%
“…Cellulose samples with different degree of polymerization (DP = 135, 288, 534, 582) were dissolved in binary mixtures of N,N,N-triethyl-N-octylammonium chloride (N 2228 Cl) in 22 MSs with very small SA, including strongly dipolar aprotic ones, e.g., DMAc, DMF, DMSO, acetonitrile, Sulf, and weakly dipolar ones, e.g., ethyl acetate, tetrahydropyran, N-methylpyrrol, 1-pentatnone. Cellulose was found to be soluble in QAE/MS with SB values >0.5 [65]. Cellulose was dissolved in mixtures of BuMeImAcO and EtMeImAcO with MSs, including DMAc, DMSO, DMI, tetramethyl urea, and Sulf.…”
Section: Binary Mixtures Of Ionic Liquids-molecular Solvents As Cellumentioning
confidence: 99%
“…The solvents chosen were DMF, NMP, 2‐butanone, acetone, ethyl acetate, DMI, DMAc, 2‐methyl‐THF, THP, and 3‐pentanone. Using the appropriate experimental protocol, cellulose was found to be soluble in all of these N 2228 Cl/MS mixtures …”
Section: Resultsmentioning
confidence: 99%
“…Depending on the MS applied, dissolution of MCC was performed using the protocol, as reported elsewhere . Briefly, in case of DMF, DMAc, DMI, or NMP (4.75 g), the cellulose (0.5 g) and N 2228 Cl (4.75 g) were mixed under stirring for 2 h at 60 °C to achieve a clear cellulose solution.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…In recent years, ionic liquids (ILs) have emerged as a novel platform with an excellent dissolution ability 21,22 for otherwise insoluble materials including cellulose. 23,24 Using ILs as solvents for cellulose bypasses the conventional binary solvent mixtures (e.g. N,N-dimethylacetamide/LiCl) and designer solvents can be developed by tuning the structure of ILs.…”
Section: Introductionmentioning
confidence: 99%