Preparation of e.g. silica oxynitrides consists of activation of the precursor, for controlled thermonitriding

摘要

The preparation of e.g. silica oxynitrides comprises activation of the silica or silicometalates as the mesostructured mesoporous precursor. Also claimed is a process using the products. The process provides thermonitriding of the stabilized material incorporating metals of the subgroups (1,2,3,4,5)B and (3,4,5,6,7)A and group 8 of the periodic table.