Synthetic mesoporous crystaline material
AssigneeMobil Oil Corporation
InventorsCharles T. Kresge, Michael E. Leonowicz, Wieslaw J. Roth, James C. Vartuli
Life of this patent
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Abstract
This invention relates to a new synthetic composition of ultra-large pore crystalline material and use thereof as sorbent and in catalytic conversion of organic and inorganic compounds. The new crystalline material exhibits unusually large sorption capacity demonstrated by its benzene adsorption capacity of greater than about 15 grams benzene/100 grams at 50 torr and 25.degree. C., a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units and a hexagonal arrangement of uniformly sized pores with a maximum perpendicular cross section of at least about 13 Angstrom units.
Claims59
A composition of matter comprising an inorganic, porous crystalline phase material having, after calcination, a hexagonal arrangement of uniformly-sized pores having diameter of at least about 15 Angstrom Units and exhibiting a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units.
A composition of matter comprising a crystalline phase material having a hexagonal arrangement of uniformly-sized pores having diameters of at least about 15 Angstrom Units, and a composition, expressed on an anhydrous basis as follows:
- rRM.sub.n/q (W.sub.a X.sub.b Y.sub.c Z.sub.d O.sub.h)
- wherein R is the total organic material not included in M;
- r is the number of moles or mole fraction of R;
- M is one or more ions;
- n is the charge of the composition excluding M expressed as oxides;
- q is the weighted molar average valence of M;
- n/q is the number of moles or mole fraction of M;
- W is one or more divalent elements;
- X is one or more trivalent elements;
- Y is one or more tetravalent elements;
- Z is one or more pentavalent elements;
- a, b, c, and d are mole fractions of W, X, Y, and Z, respectively;
- h is a number of from 1 to 2.5;
- and (a+b+c+d)=1, said crystalline phase exhibiting a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units.
A composition of matter comprising an inorganic, porous crystalline phase giving an X-ray diffraction pattern following calcination with at least two peaks at positions greater than about 10 Angstrom Units d-spacing, at least one of which is at a position greater than about 18 Angstrom Units d-spacing, and no peaks at positions less than about 10 Angstrom Units d-spacing with relative intensity greater than about 20% of the strongest peak, and exhibiting a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units.
The composition if matter comprising a crystalline phase having a composition, expressed on an anhydrous basis, as follows:
- rRm.sub.n/q (W.sub.z X.sub.b Y.sub.c Z.sub.d O.sub.h)
- wherein R is the total organic material not included in M;
- r is 1 the number of moles or mole fraction of R;
- M is one or more ions;
- n is the charge of the composition excluding M expressed as oxides;
- q is the weighted molar average valence of M;
- n/q is the number of moles or mole fraction of M;
- W is one or more divalent elements;
- X is one or more trivalent elements;
- Y is one or more tetravalent elements;
- Z is one or more pentavalent elements;
- a, b, c, and d are mole fractions of W, X, Y, and Z, respectively;
- h is a number of from 1 to 2.5;
- and (a+b+c+d)=1, said crystalline phase exhibiting an X-ray diffraction pattern following calcination with at least two peaks at positions greater than about 10 Angstrom Units d-spacing, at least one of which is at a position greater than about 18 Angstrom Units d-spacing, and no peaks at positions less than about 10 Angstrom Units d-spacing with relative intensity greater than about 20% of the strongest peak, and exhibiting a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units.
Dependencies are inferred from the claim text.