Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets

Poly(ionic liquids) (PILs) and ionenes are polymers containing ionic groups in their repeating units. The unique properties of these polymers render them as interesting candidates for a variety of applications, such as gas separation membranes and polyelectrolytes. Due to the vast number of possible...

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Autores principales:	Florian Wanghofer, Archim Wolfberger, Markus Wolfahrt, Sandra Schlögl
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ionic liquid epoxy ionene poly(ionic liquid) thermoset Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/8fd6dc58640f4d77bc25714e2ce7438d
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spelling	oai:doaj.org-article:8fd6dc58640f4d77bc25714e2ce7438d2021-11-25T18:48:14ZCross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets10.3390/polym132239142073-4360https://doaj.org/article/8fd6dc58640f4d77bc25714e2ce7438d2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/22/3914https://doaj.org/toc/2073-4360Poly(ionic liquids) (PILs) and ionenes are polymers containing ionic groups in their repeating units. The unique properties of these polymers render them as interesting candidates for a variety of applications, such as gas separation membranes and polyelectrolytes. Due to the vast number of possible structures, numerous synthesis protocols to produce monomers with different functional groups for task-specific PILs are reported in literature. A difunctional epoxy-IL resin was synthesized and cured with multifunctional amine and anhydride hardeners and the thermal and thermomechanical properties of the networks were assessed via differential scanning calorimetry and dynamic mechanical analysis. By the selection of suitable hardeners, the glass transition onset temperature (<i>T</i><sub>g,onset</sub>) of the resulting networks was varied between 18 °C and 99 °C. Copolymerization of epoxy-IL with diglycidyl ether of bisphenol A (DGEBA) led to a further increase of the <i>T</i><sub>g,onset</sub>. The results demonstrate the potential of epoxy chemistry for tailorable PIL networks, where the hardener takes the place of the ligands without requiring an additional synthesis step and can be chosen from a broad range of commercially available compounds.Florian WanghoferArchim WolfbergerMarkus WolfahrtSandra SchlöglMDPI AGarticleionic liquidepoxyionenepoly(ionic liquid)thermosetOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3914, p 3914 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ionic liquid epoxy ionene poly(ionic liquid) thermoset Organic chemistry QD241-441
spellingShingle	ionic liquid epoxy ionene poly(ionic liquid) thermoset Organic chemistry QD241-441 Florian Wanghofer Archim Wolfberger Markus Wolfahrt Sandra Schlögl Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets
description	Poly(ionic liquids) (PILs) and ionenes are polymers containing ionic groups in their repeating units. The unique properties of these polymers render them as interesting candidates for a variety of applications, such as gas separation membranes and polyelectrolytes. Due to the vast number of possible structures, numerous synthesis protocols to produce monomers with different functional groups for task-specific PILs are reported in literature. A difunctional epoxy-IL resin was synthesized and cured with multifunctional amine and anhydride hardeners and the thermal and thermomechanical properties of the networks were assessed via differential scanning calorimetry and dynamic mechanical analysis. By the selection of suitable hardeners, the glass transition onset temperature (<i>T</i><sub>g,onset</sub>) of the resulting networks was varied between 18 °C and 99 °C. Copolymerization of epoxy-IL with diglycidyl ether of bisphenol A (DGEBA) led to a further increase of the <i>T</i><sub>g,onset</sub>. The results demonstrate the potential of epoxy chemistry for tailorable PIL networks, where the hardener takes the place of the ligands without requiring an additional synthesis step and can be chosen from a broad range of commercially available compounds.
format	article
author	Florian Wanghofer Archim Wolfberger Markus Wolfahrt Sandra Schlögl
author_facet	Florian Wanghofer Archim Wolfberger Markus Wolfahrt Sandra Schlögl
author_sort	Florian Wanghofer
title	Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets
title_short	Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets
title_full	Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets
title_fullStr	Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets
title_full_unstemmed	Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets
title_sort	cross-linking and evaluation of the thermo-mechanical behavior of epoxy based poly(ionic liquid) thermosets
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8fd6dc58640f4d77bc25714e2ce7438d
work_keys_str_mv	AT florianwanghofer crosslinkingandevaluationofthethermomechanicalbehaviorofepoxybasedpolyionicliquidthermosets AT archimwolfberger crosslinkingandevaluationofthethermomechanicalbehaviorofepoxybasedpolyionicliquidthermosets AT markuswolfahrt crosslinkingandevaluationofthethermomechanicalbehaviorofepoxybasedpolyionicliquidthermosets AT sandraschlogl crosslinkingandevaluationofthethermomechanicalbehaviorofepoxybasedpolyionicliquidthermosets
_version_	1718410725970411520

Cross-Linking and Evaluation of the Thermo-Mechanical Behavior of Epoxy Based Poly(ionic Liquid) Thermosets

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