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Catalyst- and solvent-free, thermal generation of microporous polymer networks

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Abstract

Multifunctional iodoaryl monomers were used for the catalyst- and solvent-free generation of microporous polymer networks of high surface areas up to 732 m2 g−1. The thermal conversion of the monomers relies on the homolytic cleavage of weak iodine–carbon bonds followed by a C–C coupling of the radicalic intermediates. By using tri- or tetrafunctional monomers and by tuning reaction temperature and time, the optimum reaction conditions allow the formation of the corresponding microporous networks in good yields of 71%–86%. The resulting networks exhibit notable high CO2 and H2 adsorption capacities of up to 8.89 wt% (273 K, 1 bar) and up to 1.31 wt% (77 K, 1 bar), respectively.

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Acknowledgments

Venkata M. Suresh thanks the Alexander-von-Humboldt foundation for granting him a postdoc fellowship.

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Authors and Affiliations

  1. Bergische Universität Wuppertal, Macromolecular Chemistry Group (buwmakro) and Institute for Polymer Technology, D-42119, Wuppertal, Germany

    Christian Widling, Michael Forster, Venkata M. Suresh & Ullrich Scherf

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  1. Christian Widling
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  2. Michael Forster
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  3. Venkata M. Suresh
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  4. Ullrich Scherf
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Correspondence to Ullrich Scherf.

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Widling, C., Forster, M., Suresh, V.M. et al. Catalyst- and solvent-free, thermal generation of microporous polymer networks. Sci. China Chem. 60, 1103–1106 (2017). https://doi.org/10.1007/s11426-017-9047-8

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  • DOI: https://doi.org/10.1007/s11426-017-9047-8

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