Abstract
Two new ionic porous organic polymers (iPOPs) with different counter anions were successfully fabricated via well-known pyrylium mediated transformation into pyridinium. 13C solid-state NMR, XPS, and FTIR were analyzed and confirmed the formation of pyridinium in the network. Containing charged and aromatic networks, both iPOPs exhibit a high affinity towards toxic hexavalent chromium Cr(VI) ions. What is more, it has been demonstrated that both CO2 adsorption and Cr(VI) removal properties can be tuned by simply varying counter anions.
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Acknowledgments
This work was financially supported by the National Natural Science Foundation of China (No. 21206016 for W.T. Gong, No. U1808210 for G.L. Ning), the Fundamental Research Funds for the Central Universities (No. DUT-17LK07), and the Natural Science Foundation of Liaoning province (No. 2019-MS-046).
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Zhang, SY., Gong, WT., Qu, WD. et al. Construction of Ionic Porous Organic Polymers (iPOPs) via Pyrylium Mediated Transformation. Chin J Polym Sci 38, 958–964 (2020). https://doi.org/10.1007/s10118-020-2436-4
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DOI: https://doi.org/10.1007/s10118-020-2436-4