Microporous crystals and synthesis schemes

Details Microporous crystals and synthesis schemes Microporous crystals and synthesis schemes

2005-09-27

2005-09-27

Sample, David (Department: 1755)

Chemistry of inorganic compounds

Zeolite

With change of synthesized zeolite morphology

C423S305000, C423S306000, C423SDIG003, C502S208000, C502S214000

Reexamination Certificate

active

06949238

ABSTRACT:
Novel zeolites are produced by combining a polar solute, a silicon or phosphorous source, and a structure directing agent. Surfactants and a hydrophobic solvent are added to the previously mixed three species and shaken to disperse the surfactants. The reverse microemulsion is stirred overnight, at about room temperature and then iced for five to ten minutes. A metal source is added vigorously shaken for about two minutes. The mixture is then aged for about two hours at about room temperature. A mineralizer is added and the resultant mixture aged for about two hours at about room temperature. The mixture is heated to about 180° C., for a suitable time period. The final novel product is then isolated.

REFERENCES:
patent: 5552132 (1996-09-01), Evans
patent: 5582819 (1996-12-01), Shul et al.
patent: 5772980 (1998-06-01), Sul et al.
patent: 5876690 (1999-03-01), Mou et al.
patent: 2001/0000066 (2001-03-01), Rodriguez et al.
patent: 2001/0053744 (2001-12-01), Strohmaier et al.
Yates et al., “Hydrothermal Synthesis of Molecular Sieve Fibers: Using Microemulsions To Control Crystal Morphology,” Angew. Chem. Int. Ed., vol. 41, No. 3, pp. 476-478, Feb. 1, 2002.

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