2023
DOI: 10.3390/ijms241411627
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Polyurethanes Modified by Ionic Liquids and Their Applications

Abstract: Polyurethane (PU) refers to the polymer containing carbamate groups in its molecular structure, generally obtained by the reaction of isocyanate and alcohol. Because of its flexible formulation, diverse product forms, and excellent performance, it has been widely used in mechanical engineering, electronic equipment, biomedical applications, etc. Through physical or chemical methods, ionic groups are introduced into PU, which gives PU electrical conductivity, flame-retardant, and antistatic properties, thus exp… Show more

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Cited by 6 publications
(4 citation statements)
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“…Ionic groups can be included in the structure of polyurethanes by using for their synthesis oligodiols or isocyanates containing ionic groups [28][29][30]. The introduction of ionic groups into a polyurethane matrix makes it possible to improve the dispersibility of polymers in polar solvents, increase thermal stability and mechanical strength, and endow polymers with specific properties, such as biocompatibility and diffusion properties [31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50].…”
Section: Introductionmentioning
confidence: 99%
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“…Ionic groups can be included in the structure of polyurethanes by using for their synthesis oligodiols or isocyanates containing ionic groups [28][29][30]. The introduction of ionic groups into a polyurethane matrix makes it possible to improve the dispersibility of polymers in polar solvents, increase thermal stability and mechanical strength, and endow polymers with specific properties, such as biocompatibility and diffusion properties [31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50].…”
Section: Introductionmentioning
confidence: 99%
“…Polymers 2024, 16, x FOR PEER REVIEW 2 of 15 polar solvents, increase thermal stability and mechanical strength, and endow polymers with specific properties, such as biocompatibility and diffusion properties [31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50].…”
Section: Introductionmentioning
confidence: 99%
“…Although composite-type sensors work well at room temperature, their mechanical properties and repeatability are affected by ambient temperature, thus limiting their application in some fields. In contrast, ionogels, 36 a kind of soft materials in which ionic liquids 37 are uniformly wrapped by a polymer network, have a much wider operating temperature range due to the high stability of ionic liquids. Besides, ionogel-based sensors have unique properties such as good thermal stability, high ionic conductivity, and environmental tolerance.…”
Section: Introductionmentioning
confidence: 99%
“…5,6 To search for promising candidates in electrochemical applications, various choices of anions and cations are available for the composite of polyILs, 3,7 and the welldeveloped synthesis techniques for polyILs and copolymers with ionic liquid monomers provide the opportunity to engineer these materials. 8,9 Despite the availability, it is important to know the mechanisms of how the free ions are transported, and the structureproperty relationships are the most helpful information for the rational design. To discover the mechanism and the impact of chemistry, experiments have been conducted for a wide range of chemical structures, including different ion pairs, molecular weight, side chain chemistry, etc.…”
mentioning
confidence: 99%