AlPO4 Molecular Sieves Modified with Metal Chelate Complexes

1 January 1992

journal article
Published by Institute of Organic Chemistry & Biochemistry in Collection of Czechoslovak Chemical Communications

Vol. 57 (4) , 774-780
https://doi.org/10.1135/cccc19920774

Abstract

A new method for modification AlPO₄ molecular sieves has been presented. Lack of ion-exchange properties makes the modification of aluminium phosphates for catalytic applications difficult. We have developed a method that involves the crystallization of AlPO₄ molecular sieves around metal complexes. This results in encapsulation of the complexes within the intracrystalline pore system. Several metallophthalocyanines have been successfully encapsulated into AlPO₄-5 and subsequently tested as catalysts for cyclohexene oxidation. Significant differences in activity result from the presence of different metallophthalocyanines.

Keywords

CRYSTALLIZATION
ALUMINIUM
ENCAPSULATION
CHELATE
PORE
CYCLOHEXENE
MOLECULAR SIEVES
ALPO4
INTRACRYSTALLINE

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