US5437855A
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Synthetic porous crystalline MCM-58, its synthesis and use
Assignee: Mobil Oil AS
•
Filing: 1994-03-04
•
Granted: 1995-08-01
•
Expires: 2014-03-04
Abstract
Abstract This invention relates to a new synthetic porous crystalline material, designated MCM-58, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.
Inventors
- 👤 Ernest W. Valyocsik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:14
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; B; B01; B01J; B01J29/00; B01J29/04; C01B39/00; C01B39/02; C01B39/06; C01B39/12; C01B39/46; C01B39/48
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
54 words
A synthetic porous crystalline material characterized by an X-ray diffraction pattern including values set forth in Table I of the specification and having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2, wherein n is from greater than about 10 to about 1000, X is a trivalent element, and Y is a tetravalent element.
Claim 2
Dependent Claim
54 words
A synthetic porous crystalline material characterized by an X-ray diffraction pattern including values set forth in Table I of the specification and having a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2, wherein n is from greater than about 10 to about 1000, X is a trivalent element, and Y is a tetravalent element.
Claim 3
Dependent Claim
24 words
The synthetic porous crystalline material of claim 1 characterized by an X-ray diffraction pattern including values set forth in Table III of the specification.
Claim 4
Dependent Claim
24 words
The synthetic porous crystalline material of claim 1 characterized by an X-ray diffraction pattern including values set forth in Table IV of the specification.
Claim 5
Dependent Claim
17 words
The crystalline material of claim 1 wherein n is from greater than about 10 to about 400.
Claim 6
Dependent Claim
15 words
The crystalline material of claim 1 wherein n is from about 20 to about 200.
Claim 7
Dependent Claim
49 words
The crystalline material of claim 1 having a composition, on an anhydrous basis and in terms of moles of oxides per n moles of YO 2 , expressed by the formula: (0.1-2)M.sub.2 O:(0.2-2)R:X.sub.2 O.sub.3 :nYO.sub.2 wherein M is alkali or alkaline earth metal and R is an organic moiety.
Claim 8
Dependent Claim
13 words
The crystalline material of claim 6 wherein said R comprises a benzylquinuclidinium cation.
Claim 9
Dependent Claim
60 words
The crystalline material comprising the crystalline material of claim 6 having original cations replaced, at least in part, with a cation or a mixture of cations selected from the group consisting of hydrogen and hydrogen precursors, rare earth metals, and metals of Groups IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIB and VIII of the Periodic Table of the Elements.
Claim 10
Dependent Claim
46 words
The crystalline material of claim 1 wherein X is a trivalent element selected from the group consisting of boron, iron, indium, gallium, aluminum, and a combination thereof; and Y is a tetravalent element selected from the group consisting of silicon, tin, germanium, and a combination thereof.
Claim 11
Dependent Claim
19 words
The crystalline material of claim 1 wherein X comprises aluminum, boron, or a combination thereof and Y comprises silicon.
Claim 12
Dependent Claim
14 words
The crystalline material of claim 1 wherein X comprises aluminum and Y comprises silicon.
Claim 13
Dependent Claim
16 words
The crystalline material of claim 8 wherein said replacing cations comprise hydrogen or a hydrogen precursor.
Claim 14
Dependent Claim
12 words
The crystalline material of claim 8 wherein said replacing cations comprise metals.
Claim 15
Dependent Claim
12 words
A composition comprising the crystalline material of claim 1 and a matrix.
Claim 16
Dependent Claim
19 words
The composition of claim 14 wherein said matrix comprises alumina, silica, zirconia, titania, magnesia, beryllia or a combination thereof.
Claim 17
Dependent Claim
45 words
A synthetic porous crystalline material having the x-ray diffraction pattern of FIG. 1 and a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2 wherein n is from greater than about 10 to about 1000, X is a trivalent element and Y is a tetravalent element.
Claim 18
Dependent Claim
45 words
A synthetic porous crystalline material having the x-ray diffraction pattern of FIG. 1 and a composition comprising the molar relationship X.sub.2 O.sub.3 :(n)YO.sub.2 wherein n is from greater than about 10 to about 1000, X is a trivalent element and Y is a tetravalent element.
Claim 19
Independent Claim
136 words
A method for synthesizing crystalline material exhibiting a characteristic X-ray diffraction pattern including d-spacing maxima values shown in Table I which comprises (i) preparing a mixture capable of forming said material, said mixture comprising sources of alkali or alkaline earth metal (M), an oxide of trivalent element (X), an oxide of tetravalent element (Y), water, and directing agent (R) comprising benzylquinuclidinium cations, and having a composition, in terms of mole ratios, within the following ranges: ______________________________________
YO.sub.2 /X.sub.2 O.sub.3
15 to 1000
H.sub.2 O/YO.sub.2
5 to 200
OH.sup.- /YO.sub.2
0 to 3
M/YO.sub.2 0 to 3
R/YO.sub.2 0.02 to 1.0
______________________________________ (ii) maintaining said mixture under sufficient conditions including a temperature of from about 80° C. to about 250° C. until crystals of said material are formed; and (iii) recovering said crystalline material from step (ii).
Claim 20
Independent Claim
136 words
A method for synthesizing crystalline material exhibiting a characteristic X-ray diffraction pattern including d-spacing maxima values shown in Table I which comprises (i) preparing a mixture capable of forming said material, said mixture comprising sources of alkali or alkaline earth metal (M), an oxide of trivalent element (X), an oxide of tetravalent element (Y), water, and directing agent (R) comprising benzylquinuclidinium cations, and having a composition, in terms of mole ratios, within the following ranges: ______________________________________
YO.sub.2 /X.sub.2 O.sub.3
15 to 1000
H.sub.2 O/YO.sub.2
5 to 200
OH.sup.- /YO.sub.2
0 to 3
M/YO.sub.2 0 to 3
R/YO.sub.2 0.02 to 1.0
______________________________________ (ii) maintaining said mixture under sufficient conditions including a temperature of from about 80° C. to about 250° C. until crystals of said material are formed; and (iii) recovering said crystalline material from step (ii).
Claim 21
Dependent Claim
39 words
The method of claim 17 wherein said mixture has the following composition ranges: ______________________________________
YO.sub.2 /X.sub.2 O.sub.3
25 to 500
H.sub.2 O/YO.sub.2
20 to 100
OH.sup.- /YO.sub.2
0.10 to 0.50
M/YO.sub.2 0.10 to 2
R/YO.sub.2 0.10 to 0.50.
______________________________________
Claim 22
Dependent Claim
22 words
The method of claim 17 wherein said mixture further comprises seed crystals in sufficient amount to enhance synthesis of said crystalline material.
Claim 23
Dependent Claim
29 words
The method of claim 17 wherein said X comprises aluminum, boron, iron, gallium, indium, or a mixture thereof; and said Y comprises silicon, germanium, tin, or a mixture thereof.
Claim 24
Dependent Claim
13 words
The method of claim 17 wherein X comprises aluminum and Y comprises silicon.
Claim 25
Dependent Claim
64 words
The method of claim 17 comprising replacing ions of the crystalline material recovered in step (iii), at least in part, by ion exchange with an ion or a mixture of ions selected from the group consisting of hydrogen and hydrogen precursors, rare earth metals, and metals from Groups IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIB, and VIII of the Periodic Table of Elements.
Claim 26
Dependent Claim
15 words
The method of claim 22 wherein said replacing ion is hydrogen or a hydrogen precursor.
Claim 27
Dependent Claim
7 words
The recovered crystalline material of claim 17.
Claim 28
Dependent Claim
119 words
A mixture capable of forming crystalline material exhibiting a characteristic X-ray diffraction pattern including d-spacing maxima values shown in Table I upon crystallization, said mixture comprising sources of alkali or alkaline earth metal (M); trivalent element (X) oxide selected from the group consisting of oxide of aluminum, boron, iron, gallium, indium, and mixtures thereof; tetravalent element (Y) oxide selected from the group consisting of oxide of silicon, germanium, tin, and mixtures thereof; water; and directing agent (R) comprising benzylquinuclidinium cations, and having a composition, in terms of mole ratios, within the following ranges: ______________________________________
YO.sub.2 /X.sub.2 O.sub.3
15 to 1000
H.sub.2 O/YO.sub.2
5 to 200
OH.sup.- /YO.sub.2
0 to 3
M/YO.sub.2 0 to 3
R/YO.sub.2 0.02 to 1.0.
______________________________________
Claim 29
Dependent Claim
119 words
A mixture capable of forming crystalline material exhibiting a characteristic X-ray diffraction pattern including d-spacing maxima values shown in Table I upon crystallization, said mixture comprising sources of alkali or alkaline earth metal (M); trivalent element (X) oxide selected from the group consisting of oxide of aluminum, boron, iron, gallium, indium, and mixtures thereof; tetravalent element (Y) oxide selected from the group consisting of oxide of silicon, germanium, tin, and mixtures thereof; water; and directing agent (R) comprising benzylquinuclidinium cations, and having a composition, in terms of mole ratios, within the following ranges: ______________________________________
YO.sub.2 /X.sub.2 O.sub.3
15 to 1000
H.sub.2 O/YO.sub.2
5 to 200
OH.sup.- /YO.sub.2
0 to 3
M/YO.sub.2 0 to 3
R/YO.sub.2 0.02 to 1.0.
______________________________________
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