Crystalline inorganic oxide compositions prepared by neutral tem

Details Crystalline inorganic oxide compositions prepared by neutral tem Crystalline inorganic oxide compositions prepared by neutral tem

1997-02-28

1998-07-28

Bell, M. L.

Chemistry of inorganic compounds

Zeolite

Organic compound used to form zeolite

423702, 423705, 423710, 423713, 423718, 423332, 423333, 502232, 502233, 502509, C01B 3904

Patent

active

057859469

ABSTRACT:
This invention relates to new crystalline organic compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a framework wall thickness of at least about 17.ANG., small elementary particle size of less than about 400.ANG., and ratio of textural to framework-confined mesoporosity of greater than about 0.2. The formation of the mesoporous structure is accomplished by a novel self-assembly mechanism involving hydrogen bonding between neutral amine surfactant (S.degree.) and neutral inorganic oxide precursor (I.degree.). This S.degree.I.degree. templating approach allows for facile and environmentally benign recycling of the cost-intensive template by simple solvent extraction methods.

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