Mesostructured zeolitic materials and methods of making and using the same
View Patent ↗One aspect of the present invention relates to mesostructured zeolites. The invention also relates to a method of preparing mesostructured zeolites, as well as using them as cracking catalysts for organic compounds and degradation catalysts for polymers.
1. A material comprising at least one mesostructured crystalline inorganic one-phase hybrid single crystal material having long-range crystallinity and comprising a plurality of mesopores, wherein said crystalline inorganic material is selected from the group consisting of zeolites, zeolite-related materials, zeotypes, metal oxides, molecular sieves, and combinations thereof.
2. The material of claim 1 , wherein the crystalline inorganic material is a metal oxide, a zeolite, a zeotype or any combination thereof.
3. The material of claim 1 , wherein the crystalline inorganic material has a faujasite (FAU), mordenite (MOR), or ZSM-5 (MFI) structure.
4. The material of claim 1 , wherein the crystalline inorganic material has a mesostructure that comprises mesopores having the hexagonal pore arrangement of MCM-41, the cubic pore arrangement of MCM-48, or the lamellar pore arrangement of MCM-50.
5. The material of claim 1 , wherein the crystalline inorganic material has a mesostructure that comprises mesopores organized in a foam arrangement.
6. The material of claim 1 , wherein the crystalline inorganic material has a mesostructure that comprises mesopores that are randomly placed pores.
7. The material of claim 1 , wherein the crystalline inorganic material has a mesostructure that is a one dimensional nanostructure.
8. The material of claim 7 , wherein the nanostructure is a nanotube, nanorod, or nanowire.
9. The material of claim 1 , wherein the crystalline inorganic material has a mesostructure that is a two dimensional nanostructure.
10. The material of claim 9 , wherein the nanostructure is a nanoslab, nanolayer, or nanodisc.
11. The material of claim 1 , wherein the crystalline inorganic material comprises mesopores defining a mesostructure of Y[MCM-41], MOR[MCM-41], or ZSM-5 [MCM-41].
12. The material of claim 1 , wherein the mesopores have a mean pore diameter from about 2 to about 5 nm.
13. The material of claim 1 , wherein the wall thickness between mesopores is in the range of from about 1 to about 5 nm.
14. The material of claim 1 further comprising a chemical species anchored to at least a portion of the crystalline inorganic material.
15. The material of claim 14 wherein the anchored chemical species is positively charged.
16. The material of claim 1 , wherein the crystalline inorganic material has a mesostructure that includes a plurality of mesopores that have a pore size diameter distribution having a range of from about one half to about double the average pore size diameter.
17. The material of claim 1 , wherein the crystalline inorganic material is a faujasite.
18. The material of claim 1 , wherein the crystalline inorganic material has a mesoporous volume adsorption of at least about 0.05 cc/g.
19. The material of claim 1 , wherein the crystalline inorganic material has a mesoporous volume adsorption of at least about 0.1 cc/g.
20. The material of claim 1 , wherein the crystalline inorganic material has a mesoporous volume adsorption of at least about 0.2 cc/g.
21. A method for producing a gasoline product comprising: contacting a crude oil with the material of claim 1 under conditions sufficient to crack at least a portion of said crude oil to thereby form said gasoline product or a precursor thereto.
22. A method of producing a light olefin product comprising: contacting a crude oil with the material of claim 1 under conditions sufficient to crack at least a portion of said crude oil to thereby form said light olefin product or a precursor thereto.
23. A method of catalytically degrading a polymer comprising contacting the polymer with the material of claim 1 under conditions sufficient to at least partially degrade said polymer.
24. The method of claim 23 , wherein the polymer is a hydrocarbon polymer.
25. The method of claim 23 , wherein the polymer is a poly(alkylene), poly(alkynyl) or poly(styrene).
26. The method of claim 23 , wherein the polymer is polyethylene (PE).
27. The material of claim 1 wherein the crystalline inorganic molecular sieve is an aluminophosphate, a gallophsophate, a zincophosphate, a titanophosphate, or any combination thereof.
28. A material comprising at least one mesostructured microporous crystalline inorganic one-phase hybrid single crystal material having long-range crystallinity and comprising a plurality of mesopores, wherein said mesostructured microporous crystalline inorganic material is selected from the group consisting of zeolites, zeolite-related materials, zeotypes, metal oxides, molecular sieves, and combinations thereof.
29. A material comprising at least one mesostructured acidic crystalline inorganic one-phase hybrid single crystal material having long-range crystallinity and comprising a plurality of mesopores, wherein said mesostructured acidic crystalline inorganic material is selected from the group consisting of zeolites, zeolite-related materials, zeotypes, metal oxides, molecular sieves, and combinations thereof.