Pseudopolyanions Based on Poly(NIPAAM‐co‐β‐Cyclodextrin Methacrylate) and Ionic Liquids

Abstract

A fine host: Copolymers from methacrylated β‐cyclodextrin and N‐isopropylacrylamide form inclusion complexes with anions of ionic liquids (IL; see picture). Complex formation alters the solubility properties of the copolymer, leading to pseudopolyelectrolytes. Turbidity and dynamic light scattering measurements show that, depending on the anion, expansion or contraction of the polymer chain takes place owing to electrostatic effects.

Switching the Solubility of PMMA Bearing Attached Cyclodextrin‐Moieties by Supramolecular Interactions with Ionic Liquids

“…[3][4][5] The hydrophobic ILs used in this study are illustrated in Scheme 2 and were synthesized according to the literature.…”

“…[3][4][5][6][7] In recent years, ILs have became highly important because of their distinguished properties such as no vapour pressure, excellent thermal stability, high electrical conductivity, wide electrochemical window, and potential as a solvent for various applications which include the improved solubility of CDs in ILs. [8] The interaction between ILs and CDs plays a crucial role in analytical chemistry and material synthesis.…”

Microwave‐Sensitive Foamable Poly(ionic liquids) Bearing tert‐Butyl Ester Groups: Influence of Counterions on the Ester Pyrolysis

“…Recently, poly(ionic liquids) have attracted much attention because of their interesting properties and upcoming applications. Their use as gas separation materials, [5][6][7] catalytic membranes, [8] polymer electrolytes, [9][10] hosts in supramolecular chemistry, [11][12][13] and as ionic conductive [14][15][16][17][18][19] and microwave absorbing materials [2] has already been described elsewhere. The latter is a result of the ionic nature that causes high interaction with microwaves.…”

Ionic liquid modulation of swelling and LCST behavior of N-isopropylacrylamide polymer gels

“…As ILs exhibit negligible vapour pressure, these materials have the potential to be employed under open atmospheres with variable LCST. The mechanical and actuation properties of these thermally responsive ionogel materials are investigated, allowing for their continued functional use in important applications such as drug delivery 5 26 , polyelectrolytes 27 and actuators 28 .…”