Imidazolium zwitterion‐based protic ionic liquids: from monomers to polymer membranes

Fadeeva, Yu. A.; Shmukler, L. E.; Груздев, М. С.; Safonova, L. P.

doi:10.1002/pi.6238

Cited by 8 publications

(3 citation statements)

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“…These and similar betaines may be expected to contribute to new proton exchange membranes and resins because they are easily protonated by diverse proton acids, such as HPF 6 . , This acidification approach has also been recently applied to betaine monomers by Fadeeva et al as shown in Scheme ,where a series of protic ionic liquid monomers were made by simply adding stoichiometric amounts of protic acids …”

Section: Synthesesmentioning

confidence: 99%

“…131,132 This acidification approach has also been recently applied to betaine monomers by Fadeeva et al as shown in Scheme 26 ,where a series of protic ionic liquid monomers were made by simply adding stoichiometric amounts of protic acids. 135 While most PIL materials have mobile and exchangeable counterions, those derived from zwitterionic ILs might not have exchangeable ions. However, when one derives a polymeric PIL and pairs it with a molar equivalent of an organic salt, one unequivocally obtains a PIL.…”

Section: Vinyl Monomersmentioning

confidence: 99%

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Polymerized and Colloidal Ionic Liquids─Syntheses and Applications

Li,

Yan,

Texter

2024

Chem. Rev.

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The breadth and importance of polymerized ionic liquids (PILs) are steadily expanding, and this review updates advances and trends in syntheses, properties, and applications over the past five to six years. We begin with an historical overview of the genesis and growth of the PIL field as a subset of materials science. The genesis of ionic liquids (ILs) over nano to meso lengthscales exhibiting 0D, 1D, 2D, and 3D topologies defines colloidal ionic liquids, CILs, which compose a subclass of PILs and provide a synthetic bridge between IL monomers (ILMs) and micro to macroscale PIL materials. The second focus of this review addresses design and syntheses of ILMs and their polymerization reactions to yield PILs and PIL-based materials. A burgeoning diversity of ILMs reflects increasing use of nonimidazolium nuclei and an expanding use of step-growth chemistries in synthesizing PIL materials. Radical chain polymerization remains a primary method of making PILs and reflects an increasing use of controlled polymerization methods.Step-growth chemistries used in creating some CILs utilize extensive cross-linking. This cross-linking is enabled by incorporating reactive functionalities in CILs and PILs, and some of these CILs and PILs may be viewed as exotic cross-linking agents. The third part of this update focuses upon some advances in key properties, including molecular weight, thermal properties, rheology, ion transport, self-healing, and stimuli-responsiveness. Glass transitions, critical solution temperatures, and liquidity are key thermal properties that tie to PIL rheology and viscoelasticity. These properties in turn modulate mechanical properties and ion transport, which are foundational in increasing applications of PILs. Cross-linking in gelation and ionogels and reversible step-growth chemistries are essential for self-healing PILs. Stimuli-responsiveness distinguishes PILs from many other classes of polymers, and it emphasizes the importance of segmentally controlling and tuning solvation in CILs and PILs. The fourth part of this review addresses development of applications, and the diverse scope of such applications supports the increasing importance of PILs in materials science. Adhesion applications are supported by ionogel properties, especially crosslinking and solvation tunable interactions with adjacent phases. Antimicrobial and antifouling applications are consequences of the cationic nature of PILs. Similarly, emulsion and dispersion applications rely on tunable solvation of functional groups and on how such groups interact with continuous phases and substrates. Catalysis is another significant application, and this is an historical tie between ILs and PILs. This component also provides a connection to diverse and porous carbon phases templated by PILs that are catalysts or serve as supports for catalysts. Devices, including sensors and actuators, also rely on solvation tuning and stimuliresponsiveness that include photo and electrochemical stimuli. We conclude our view of applications with 3D printi...

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Section: Synthesesmentioning

confidence: 99%

Section: Vinyl Monomersmentioning

confidence: 99%

Polymerized and Colloidal Ionic Liquids─Syntheses and Applications

Li,

Yan,

Texter

2024

Chem. Rev.

View full text Add to dashboard Cite

show abstract

“…Ionic liquids (ILs) at charged electrodes have already been quite thoroughly studied experimentally and theoretically due to their wide range of applications as "designer solvents" and "filling" for supercapacitors 1 . Their polymeric forms (PIL) are a relatively new-found [2][3][4] class of materials with a shallow theoretical background, although demonstrating a wide spectrum of interesting properties of both ionic liquids and polymeric systems, which can lead to their potential application as ionic and solid-state electrolytes, fuel cell membranes, dispersants, ordered nano-and mesostructures, sorbents, carbon precursors, gating material in field-effect transistors, systems for water treatment, osmotic energy conversion, solar modulation, capillary electrophoresis, electrochromatography, among others [5][6][7][8][9][10][11][12][13][14] .…”

Section: Introductionmentioning

confidence: 99%