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1. (WO1990006283) MATERIAU CRISTALLIN POREUX SYNTHETIQUE, SA SYNTHESE ET SON UTILISATION
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CIAIMS:

1. A synthetic porous crystalline material characterized by an X-ray diffraction pattern including values substantially as set forth in Table I of the specification and having equilibrium adsorption capacities of greater than 10 wt. % for water vapor, greater than 4.5 wt.% for cyclohexane vapor and greater than 10 wt.% for n-hexane vapor.

2. The synthetic porous crystalline material of Claim 1 characterized by an X-ray diffraction pattern including values substantially as set forth in Table II of the specification.

3. The synthetic porous crystalline material of Claim 1 characterized by an X-ray diffraction pattern including values substantially as set forth in Table III of the specification .

4. The synthetic porous crystalline material of Claim 1 characterized by an X-ray diffraction pattern including values substantially as set forth in Table IV of the specification.

5. The crystalline material of any preceding Claim having a composition comprising the molar relationship
X203 : (n)Y02,
wherein n is at least 10, X is a trivalent element and Y is a tetravalent element.

6 . The crystalline material of Claim 5 wherein X comprises aluminum and Y comprises silicon.

7. The crystalline material of claim 6 wherein n is from 20 to 40.

8. A method for preparing the synthetic crystall ine material of Claim 5 , said method comprising preparing a reaction mixture capable of forming said material upon crystall ization , said reaction mixture containing sufficient amounts of alkali or alkaline earth metal cations , a source of tetravalent Y oxide containing at least 30 wt.% solid Y02 , a source of trivalent X oxide , water and hexamethyleneimine, and maintaining said reaction mixture under sufficient crystall ization conditions until crystals of said material are formed.

9. The method, of Claim 8 wherein said reaction mixture has a composition in terms of mole ratios within the following ranges :

Y02/X203 = 10 to 80
H20/Y02 = 5 to 100
0H"/Y02 = 0.01 to 1 .0
M/Y02 = 0.01 to 2.0
R/Y02 = 0.05 to 1 .0
wherein R represents hexamethyleneimine and M represents alkali or alkaline earth metal .

10. The method of Claim 8 wherein said reaction mixture has a composition in terms of mole ratios within the following ranges:

Y02/X203 = 10 to 60
H20/Y02 = 10 to 50
0H"Λ02 = 0.1 to 0.5
M/Y02 = 0.1 to 1.0
R/Y02 = 0.1 to 0.5 .