The curing of high internal phase emulsions (HIPEs) formed by monomers as the continuous phase, water as the internal phase and suitable stabilisers (surfactant or/and inorganic nanoparticles) became an established way for the preparation of well-defined macroporous polymer foams.[1] The biggest part of polyHIPEs is prepared via free radical polymerization and much less is known about the scope and limitations of other polymerization techniques. Recently ring opening metathesis polymerization (ROMP) based poly(HIPE)s have been introduced, which are unique due to outstanding mechanical properties.[2]Herein scope and limitations of HIPE templated macroporous poly(dicyclopentadiene) - MetalOxide nanocomposite foams will be presented. Such nanocomposite foams can then be heated at temperatures higher than 500�C under oxygen atmosphere to prepare macroporous metaloxides or pyrolysed under argon atmosphere at temperatures higher than 500�C to obtain metalcarbide spiked hierarchically porous foams without loss of the macroscopic structure. It will be shown how morphology of as-obtained macroporous metaloxides is changing due to the nanoparticle nature as well as their catalytic activity. Fig. 1  SEM image of a pDCPD-Metaloxide poly(HIPE) specimen before (left) and after (right) calcination.[1] M. Silverstein, Prog. Polym. Sci., 2014,  39, 199-234[2] (a) S. Kovacic, N. B. Matsko, K. Jerabek, P. Krajnc, C. Slugovc,  J. Mater. Chem. A 2013 , 1, 487 (b) S. Kovacic, N. B. Matsko, G. Ferk, C. Slugovc, J. Mater. Chem. A. 2013 , 1, 7971.

Nanoparticle stabilized HIPEs derived macroporous metaloxides

248th National Meeting (2014)

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