We succeeded in synthesizing microphase-separated selfoscillating gel and realized volume oscillation of the gel driven by chemical energy. The novel polymer gels were composed of a non-thermoresponsive polyacrylamide main chain covalently bonded to a ruthenium catalyst for the BelousovZhabotinsky (BZ) reaction. By changing the temperature, the displacement and frequency of the volume oscillation in gels were changed. Moreover, we showed that the displacement of the gel has a trade-off relationship with the frequency of the volume oscillation.
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