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US 6,719,955 B1Granted
Salt-templated microporous solids
AssigneeClemson University
InventorsShiou-Jyh Hwu, Qun Huang, Mutlu Ulutagay
Life of this patent
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Abstract
The invention is directed to open-framework and microporous solids well suited for use in catalysis and ion exchange. The microporous solids are constructed by using a salt template which can be readily removed without destroying the framework of the micropore. Various microporous solids can be formed having different geometric structures depending upon the templating salt used and the concentration. Examples of two compounds include Na2Cs[Mn3(P2O7)2]Cl and K2.02Cs2.90[Cu3(P2O7)2]Cl2.92. Both compounds have 3-D (Mn,Cu)—P—O frameworks.
Claims26
A solid comprising:
- a microporous composition having the general formula
- Ab[(MOz)c(XO4)d]
- or
- Ab[(MOz)c(X2O7)d]
- wherein A comprises one or more alkali or alkaline earth metals, M comprises a transition metal or a mixture of transition metals, X is phosphorous, germanium, arsenic, or silicon, O is oxygen, and wherein z is from zero to 2, and b, c, and d are less than 20 and greater than 0;
- and
- a templating salt, said templating salt being removable from said solid without substantially disrupting the framework of said microporous composition.
4 more elements
A solid comprising:
- a microporous composition having the general formula:
- Ab[(MOz)c(X2O7)d]
- or
- Ab[(MOz)c(XO4)d]
- wherein A comprises one or more alkali or alkaline earth metals, M comprises a transition metal or a mixture of transition metals, X is phosphorous, germanium, arsenic, or silicon, O is oxygen, and wherein z is from zero to 2, and b, c, and d are less than 20 and greater than 0, and wherein the composition is structurally configured to accept space-filling salt intercalation within at least a portion of the pores of the composition.
2 more elements
Dependencies are inferred from the claim text.