Issue 3, 2011

A new route to porous monolithic organic frameworks via cyclotrimerization

Abstract

Cyclotrimerization of bifunctional acetyl compounds is used to obtain highly porous organic frameworks. Syntheses in solution induced by silicon tetrachloride result in highly disperse powders while syntheses in molten 4-toluene sulfonic acid result in polymeric monoliths with a hierarchical pore structure containing micro- and macropores allowing for direct impregnation of textiles with a porous polymer. The materials show specific BET surface areas up to 895 m2 g−1 and large pore volume (1.99 cm3 g−1) combined with a highly hydrophobic character. The amorphous materials are thermally stable below 300 °C in air and show no decomposition effects in aqueous environment. These outstanding properties in combination with the opportunity to generate shapes of any kind desired for an application render the materials as highly promising for application in air filtration systems and individual protection, as well as gas storage and separation.

Graphical abstract: A new route to porous monolithic organic frameworks via cyclotrimerization

Supplementary files

Article information

Article type
Paper
Submitted
08 Sep 2010
Accepted
13 Oct 2010
First published
10 Nov 2010

J. Mater. Chem., 2011,21, 711-716

A new route to porous monolithic organic frameworks via cyclotrimerization

M. Rose, N. Klein, I. Senkovska, C. Schrage, P. Wollmann, W. Böhlmann, B. Böhringer, S. Fichtner and S. Kaskel, J. Mater. Chem., 2011, 21, 711 DOI: 10.1039/C0JM02998J

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