Patent ID: 9089836
Filing Date: 2015-07-28
Classification: B01J,D04H,Y10T

Abstract:
1. A method of preparation of a porous inorganic/organic hybrid monolith material, comprising coalesced porous particles of hybrid silica having a chromatography-enhancing pore geometry, comprising the steps of a) prepolymerizing a mixture of one or more organoalkoxysilanes and a tetraalkoxysilane in the presence of an acid catalyst to produce a polyorganoalkoxysiloxane; b) preparing an aqueous suspension of said polyorganoalkoxysiloxane, said suspension further comprising a surfactant or combination of surfactants, and gelling in the presence of a base catalyst so as to produce porous hybrid particles; c) modifying the pore structure of said porous hybrid particles by hydrothermal treatment; and d) coalescing said porous hybrid particles to form a monolith material thereby preparing a porous inorganic/organic hybrid monolith material.