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It is shown that HPA/silica composite catalysts are much more active than HPA/Polyaniline composites in the reaction of isopropanol decomposition. The catalysts prepared using ethyl silicate 40 as a silica precursor showed better texture properties than those prepared using tetraethoxysilane but activities of the two families appeared to be similar. The use of 3-aminopropyltriethoxysilane, as an additive...
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