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Self-oscillating microgels with Fe(phen)3 catalyst induced by the BZ reaction under acid-free conditions

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Abstract

A novel self-oscillating microgels were prepared by copolymerization N-isopropylacrylamide (NIPAAm), organic acid and iron(II) 5-acrylamide-1,10-phenanthroline-bi (1,10-phenanthroline) (Fe(phen)3), the catalyst for the Belousov-Zhabotinsky (BZ) reaction. The microgels were characterized by FTIR spectroscopy and scanning electron microscope (SEM). In order to illustrate the self-oscillating mechanism, the static water contact angles of the oxidized and reduced states of self-oscillating microgels were measured. In addition, the self-oscillating behaviors of the microgels were investigated in BZ system under acid-free conditions. Both the redox potential and transmittance self-oscillating were observed at room temperature.

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Acknowledgements

The authors would like to express their thanks to the Basic Project of Science and Research of Colleges and Universities of Gansu Province (5001–109) and Project for Young Teacher of Northwest Normal University (NWNU-LKQN-13-6) for their support to this research.

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Correspondence to Jie Ren.

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Ren, J., Gu, J., Tao, L. et al. Self-oscillating microgels with Fe(phen)3 catalyst induced by the BZ reaction under acid-free conditions. J Polym Res 24, 17 (2017). https://doi.org/10.1007/s10965-016-1139-6

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  • DOI: https://doi.org/10.1007/s10965-016-1139-6

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