Porous aluminum oxide materials prepared by non-ionic surfactant

Details Porous aluminum oxide materials prepared by non-ionic surfactant Porous aluminum oxide materials prepared by non-ionic surfactant

1998-05-05

2000-02-22

Bell, Mark L.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423625, 423628, 423630, 423702, 423713, C01F 702

Patent

active

060277068

ABSTRACT:
Semi-crystalline alumina compositions with framework mesopores are disclosed. The compositions are assembled from inorganic aluminum precursors and nonionic polyethylene oxide surfactants. The new assembly pathway introduces several new concepts to alumina mesostructure synthesis. The application of low-cost, non-toxic and biodegradable surfactants and low cost aluminum reagents as alumina precursors which are inorganic and low solution reaction temperatures, introduces efficient and environmentally clean synthetic techniques to the formation of mesostructures. Recovery of the surfactant can be achieved through solvent extraction where the solvent may be water or ethanol or by calcination.

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