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Meso/Macroporous Inorganic Oxide Monoliths from Polymer Foams

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  • This work was supported by the US National Science Foundation through grant CTS-9871970 and a joint research project of the US--Spain Science and Technology Program 2000. Travel assistance was provided by the US NSF Division of International Programs through grant INT-9726744. We thank BASF for the donation of the F127 and P123 triblock copolymer species.

Abstract

Low-density bimodal inorganic oxide monoliths (see Figure) have been prepared via a two-step procedure using macroporous polystyrene foams and amphiphilic block copolymer structure-directing agents. The resulting meso/macroporous inorganic framework structures could be obtained with different 3D bulk shapes and for a range of inorganic oxides, as demonstrated here for silica, zirconia, and titania.

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