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Acid oxide with micro and mesoporous characteristics: ITQ-36

Other TitlesÓxido ácido que presenta características micro y mesoporosas: ITQ-36.
AuthorsChica Lara, Antonio; Corma, Avelino CSIC ORCID ; Fornés, Vicente CSIC; Díaz Morales, Urbano
Issue Date3-Mar-2006
Citation2 249 035
AbstractThe invention deals with a microporous crystalline material, with a characteristic X-ray diffractogram, comprised of oxygen tetrahedra and a metal (T<+4> and T<+3>) with the possibility of introducing surface acidity produced by the substitution in the lattice of some T<+4> cations by T<+3> cations, which gives rise to a structural charge deficiency that may be compensated by protons, Br¦nsted acidity, and/or high ratio radium charge cations, Lewis acidity. The obtention method is based on the preparation of a gel, its hydrothermal treatment under controlled conditions and the treatment of the resulting laminar material with a solution of an organic compound, preferably a long chain hydrocarbon, that contains a proton acceptor group.; This swollen material is subjected to a specific treatment for the formation of interlaminar pillars of polymeric oxides, obtaining a pillared material that maintains the separation between the sheets, even after calcination.
DescriptionFecha de presentación internacional: 27.10.1998.- Titulares: Consejo Superior de Investigaciones Científicas (CSIC).- Universidad Politécnica de Valencia.
Appears in Collections:(ITQ) Patentes

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