3.
Design strategies for ionogels modulating mechanical and thermomechanical properties. (a) Loosening of π–π interactions by bulky side chains for enhanced stretchability and toughness. Reproduced with permission from ref . Copyright 2024 Elsevier. (b) Dynamic cross-linking of polymer domains by metal–ligand coordination for improved mechanical properties. Reproduced from ref . Copyright 2024 American Chemical Society. (c) Glassy toughening via ionic liquid-mediated solvent cross-links. Adapted with permission from ref . Copyright 2024 Springer Nature. (d) Thermal modulation of reversible adhesion switching via LCST phase behavior. Adapted with permission from ref . Copyright 2022 Royal Society of Chemistry. (e) Berghmans’ point-induced vitrification for reversible stiffness switching in ionogels. Reproduced from ref . Available under a Creative Commons Attribution 4.0 International License. Copyright 2022 Springer Nature, with modifications.
