Abstract
It is possible to obtain mixed aminopropyl sil-aluminum sesquioxanes by simultaneous hydrolysis of (3-aminopropyl)triethoxysilane and aluminum (III) diisopropoxide-2,4-pentanedionate with the stoichiometric amount of water in methanol. These oligomers are intercalated in a M(IV)-phosphate in which the number of POH groups are controlled substituting POH groups by phenyl phosphonates. The zeolite-like pillared materials obtained after thermal treatment at 600°C have high surface areas (up to 126 m 2 g -1) and high total acidity (up to 2.11 mmol of NH 3 desorbed between 100-500°C). XPS reveals that Al has tetrahedral coordination in these materials.
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