Porous inorganic oxide materials prepared by non-ionic surfactan

Details Porous inorganic oxide materials prepared by non-ionic surfactan Porous inorganic oxide materials prepared by non-ionic surfactan

1996-05-02

1998-09-01

Bell, Mark L.

Chemistry of inorganic compounds

Zeolite

Organic compound used to form zeolite

423703, 423705, 423713, 423718, C01B 3904

Patent

active

058007997

ABSTRACT:
A method for the preparation of new quasi-crystalline, porous inorganic oxide compositions formed in the presence of fluoride ion possessing a disordered assembly of worm-like channels. The method uses an interaction between various nonionic polyethylene oxide based surfactants (N.degree.) and neutral inorganic oxide precursors (I.degree.) in an aqueous solution and then the formation of dispersed particles in the aqueous solution in the presence of fluoride. This (N.degree. I.degree. F.sup.-) templating approach introduces several new concepts to mesostructure synthesis. The application of the low-cost, non-toxic and biodegradable surfactants and ambient reaction temperatures, introduces environmentally clean synthetic techniques to the formation of mesostructures. Recovery of the template can be achieved through solvent extraction where the solvent may be water or ethanol.

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