A wormlike micellar system that undergoes a fully reversible, repeatable "sol-gel" transition upon alternative treatment with CO2 and N2 has been developed based on a C18-tailed polyamine surfactant.
An amidine-based polymer was prepared by combination of RAFT polymerization and "click" reaction, and the polymer undergoes a hydrophobic-hydrophilic transition upon the stimulus of CO(2).
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