A new route to porous monolithic organic frameworks via cyclotrimerization
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 st...
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| Veröffentlicht in: | Journal of materials chemistry 2011-01, Vol.21 (3), p.711-716 |
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| container_end_page | 716 |
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| container_issue | 3 |
| container_start_page | 711 |
| container_title | Journal of materials chemistry |
| container_volume | 21 |
| creator | Rose, Marcus Klein, Nicole Senkovska, Irena Schrage, Christian Wollmann, Philipp Böhlmann, Winfried Böhringer, Bertram Fichtner, Sven Kaskel, Stefan |
| description | 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 [degree]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. |
| doi_str_mv | 10.1039/C0JM02998J |
| format | Article |
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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 [degree]C in air and show no decomposition effects in aqueous environment. 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| fulltext | fulltext |
| identifier | ISSN: 0959-9428 |
| ispartof | Journal of materials chemistry, 2011-01, Vol.21 (3), p.711-716 |
| issn | 0959-9428 1364-5501 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Acetyl compounds Amorphous materials Aqueous environments Disperse Porosity Sulfonic acid Surface area Textiles |
| title | A new route to porous monolithic organic frameworks via cyclotrimerization |
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