초록 ▼

These new mesoporous metallosilicate molecular sieves exhibit exceptional catalytic activity for peroxide hydroxylation of benzene and oxidation of substituted aromatics with kinetic diameters that are too large (larger than 6 .ANG.) to access the pore structure of the conventional microporous trans

These new mesoporous metallosilicate molecular sieves exhibit exceptional catalytic activity for peroxide hydroxylation of benzene and oxidation of substituted aromatics with kinetic diameters that are too large (larger than 6 .ANG.) to access the pore structure of the conventional microporous transition metal-substituted molecular sieves such as titano- and vanadosilicates.

대표청구항 ▼

[ We claim:] [1.] A process for catalytic peroxide oxidation or hydroxylation reaction of organic molecules to form a reaction product which comprises:a) providing a mesoporous metal silicate molecular sieve composition with hexagonal mesopores, wherein the metal is present in place of some of the s

[ We claim:] [1.] A process for catalytic peroxide oxidation or hydroxylation reaction of organic molecules to form a reaction product which comprises:a) providing a mesoporous metal silicate molecular sieve composition with hexagonal mesopores, wherein the metal is present in place of some of the silicon in the silicate and capable of undergoing a change of oxidation number in an oxidation or reduction reaction, having a framework wall thickness of at least about 17 .ANG., an x-ray scattering domain size of less than about 400 .ANG., a ratio of textural to framework-confined mesopores of at least about 0.2 and a specific surface area of 300 to 1500 square meters per gram prepared from a neutral template which forms the mesopores which is removed from the composition;b) mixing the mesoporous silicate molecular sieve composition with an organic substrate at a temperature from 0.degree. to 100.degree. C. to form a mixture;c) adding an oxygen containing oxidant to the mixture;d) performing said reaction in a liquid phase at temperatures between 0.degree. and 100.degree. C. for at least 10 min to produce the reaction product;e) separating the reaction product from the the reaction media.