Abstract
In this work, the macro-mesoporous alumina monolith has been achieved for the first time via co-polymerization of styrene emulsion and aluminum precursor. After elimination of organic components by calcination at 800°C, the well-crystallized η-Al2O3 phase was obtained, with SBET of 247.7m2/g. The spherical macropores in the micrometer range originated from a condensation reaction during drying, and the wormhole-like mesopores (ca. 3.6nm) distributed on the macroporous walls were the result of the assembly of nanoparticles. The method can be extended to prepare other porous metal oxide monoliths.
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