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Toughness and elasticity from phase separation

A simple one-step method that enables the random copolymerization of two monomers with different solubility in ionic liquids creates phase-separated elastic and stiff domains that result in ultra-tough and stretchable ionogels.

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Fig. 1: Transparent ionogels with excellent mechanical properties.


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Correspondence to Gi Doo Cha or Dae-Hyeong Kim.

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Cha, G.D., Kim, DH. Toughness and elasticity from phase separation. Nat. Mater. 21, 266–268 (2022).

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