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This work reports the transformation of a layered aluminophosphate (AlPO-CJ70) with N,N-dimethylbenzylamine as SDA and inorganic layers containing two different Al sites and three P sites, where two of them are ≡P=O sites and the other is a =P(OH)=O group, in three dimensional silicoaluminophosphates with structures analogous to SAPO-5 and SAPO15. The synthetic process of the 3D materials are different. The SAPO-5 analogue, called UEC-4, was synthesized in an aqueous media in the presence of TEABr and silica, and the SAPO-15 analogue, UEC-5, was synthetised by a dry-gel conversion method in the presence of n-butylamine and silica. Both materials were characterized with powder X-rays diffraction, solid state nuclear magnetic ressonance, infrared spectroscopy, scanning electron microscopy and

Synthesis and characterization of the second generation of the UEC family of molecular sieves