Mesostructured zeolitic materials, and methods of making and using the same
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 zeolitic one-phase hybrid single crystal material having long-range crystallinity and comprising a plurality of mesopores.
2. The material of claim 1 , wherein the zeolitic material exhibits a sharp nitrogen uptake at a partial pressure [P/P 0 ] higher than a partial pressure indicating microporosity.
3. The material of claim 2 , wherein the higher partial pressure of the sharp nitrogen uptake of the zeolitic material is between about 0.2 and 0.6.
4. The material of claim 3 , wherein the higher partial pressure is about 0.3.
5. The material of claim 1 , wherein the zeolitic material has a faujasite (FAU), mordenite (MOR), or ZSM-5 (MFI) structure.
6. The material of claim 1 , wherein the mesopores comprise a mean pore diameter from about 2 to about 5 nm.
7. The material of claim 1 , wherein the plurality of mesopores have a wall thickness from about 1 to about 5 nm.
8. The material of claim 1 , wherein the plurality of mesopores have a pore size distribution that is narrow.
9. The material of claim 1 , wherein the plurality of the mesopores comprise a pore size diameter distribution having a range of from about one half to about double the average pore size diameter.
10. The material of claim 1 , wherein the mesopores define a mesopore pore volume, a majority of the mesopore pore volume having a pore size diameter distribution range of from about one half to about double the average pore size diameter.
11. The material of claim 1 , wherein the zeolitic material is a faujasite.
12. The material of claim 1 , wherein the zeolitic material has a mesoporous volume adsorption of at least about 0.05 cc/g.
13. The material of claim 1 , wherein the zeolitic material has a mesoporous volume adsorption of at least about 0.1 cc/g.
14. The material of claim 1 , wherein the zeolitic material has a mesoporous volume adsorption of at least about 0.2 cc/g.
15. The material of claim 1 wherein the mesoporosity is arranged.
16. The material of claim 15 wherein the arrangement produces one or more distinctive XRD peaks at two theta values between 0 and 8 two theta angle degrees.
17. A material comprising at least one hybrid one-phase mesostructured single crystal zeolitic material having long-range crystallinity comprising a plurality of mesopores, such that the long-range crystallinity results in XRD peaks at two theta angle degrees higher than 8.
18. The material of claim 17 wherein the zeolitic material has a mesoporous volume adsorption of at least about 0.1 cc/g.
19. The material of claim 17 , wherein the zeolitic material is a faujasite.
20. The material of claim 17 wherein the zeolitic material has a mesoporous volume adsorption of at least about 0.05 cc/g.