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β‐Cyclodextrin‐derived Room Temperature Macromolecular Ionic Liquids by PEGylated Anions
Author(s) -
Ke Yuqi,
Zhang Weiyi,
Suo Xian,
Ren Qilong,
Xing Huabin,
Yuan Jiayin
Publication year - 2020
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.201900576
Subject(s) - ionic liquid , macromolecule , solvent , chemistry , ionic bonding , glass transition , chemical engineering , organic chemistry , materials science , ion , polymer chemistry , polymer , catalysis , biochemistry , engineering
A series of cyclodextrin‐derived room temperature macromolecular ionic liquids carrying rather low glass transition temperatures of −20 to −40 °C are synthesized via sequential esterification, quaternization, and anion metathesis reactions. In addition to being ionic in nature, they are viscous liquids at room temperature with more fluidic behavior at elevated temperatures. They serve as a solvent for organic dyes or iodine separation via a liquid–liquid extraction approach. This strategy is useful for the development of various sugar (macro)molecule‐based functional ionic liquids as well as macromolecular ionic liquids.