Cited by 151Ionic liquids properties and applicationsLubricants and Their AdditivesSurfactants and Colloidal Systems

Imidazolium dialkylphosphates—a class of versatile, halogen-free and hydrolytically stable ionic liquids

Kuhlmann, Esther, Himmler, Simone, Giebelhaus, Heidi, Wasserscheid, Peter·2007·Green Chem.

Abstract

In this article a systematic and detailed study on the synthesis and the properties of dialkylphosphate ionic liquids is presented. This class of halogen-free ionic liquids is easily available in high quality and great variability by direct alkylation of nucleophiles, such as 1-methylimidazole, 1-ethylimidazole, 1-butylimidazole and 1-(2-methoxyethyl)-imidazole with different trialkylphosphates, such as trimethylphosphate, triethylphosphate or tributylphosphate. In general, these dialkylphosphate ionic liquids were found to display very attractive physico-chemical properties with great technical potential, especially in low temperature (<200 °C) applications with water present. For this specific application area, the materials described here clearly show superior properties compared with alkylsulfate ionic liquids due to their obviously much higher hydrolytic stability.

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Crossref · 10.1039/b611974c

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18 of 18 references verified0 citation errors · 0 not checkable

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  • Only a few solvents are able to dissolve crystalline cellulose fibrils, e.g. NMO or concentrated phosphoric acid, none of which are applied in lignocellulose processing.

    “Only a few solvents are able to dissolve the crystalline polymer fibrils, e.g.N-methylmorpholine-N-oxide (NMO) 63 or concentrated phosphoric acid, 64 none of which are applied in lignocellulose processing.”

    From Deconstruction of lignocellulosic biomass with ionic liquids (2013) · cites this paper as [63]

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Authors
Kuhlmann, E., Himmler, S., Giebelhaus, H., & Wasserscheid, P.
Affiliations
Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
Corresponding author
Wasserscheid, Peter
Venue
Green Chem.
Published
2007
Volume
9
Issue
3
Pages
233-242
ISSN
  • 1463-9262 (ISSN-L)
  • 1463-9270
OpenAlex
W2169583514
Cited by
150
References
18
Citations by year
2026: 1 · 2025: 6 · 2024: 2 · 2023: 6 · 2022: 4 · 2021: 5 · 2020: 4 · 2019: 11 · 2018: 7 · 2017: 7 · 2016: 9 · 2015: 18 · 2014: 9 · 2013: 5 · 2012: 9
FWCI
2.47
Type
journal article
Language
en
Open access
closed
Locations
Green Chemistry (publishedVersion)
Topics
  • Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
  • Physical Sciences › Engineering › Mechanical Engineering › Lubricants and Their Additives
  • Physical Sciences › Chemistry › Organic Chemistry › Surfactants and Colloidal Systems
Keywords
halogen-free ionic liquids, hydrolytic stability, ionic liquid synthesis, trialkyl phosphates, 1-methylimidazole, low-temperature applications

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