초록 ▼

Crystalline molecular sieves having three-dimensional microporous framework structures of ELO2, AlO2, SiO2 and PO2 framework oxide units are disclosed. The molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula: mR: (ELwAlxPySiz)O2 wherein “R”represent

Crystalline molecular sieves having three-dimensional microporous framework structures of ELO2, AlO2, SiO2 and PO2 framework oxide units are disclosed. The molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula: mR: (ELwAlxPySiz)O2 wherein “R”represents at least one organic templating agent present in the intracrystalline pore system: “m”represents the molar amount of “R”present per mole of (ElwAlxPySiz)O2; “EL”represents at least one element capable of forming a framework oxide unit; and “w”, “x”, “y”and “z”represent the mole fractions of element(s) “EL”, aluminum, phosphorus and silicon, respectively, present as framework oxides. Their use as adsorbents, catalysts, etc. is also disclosed.

대표청구항 ▼

Crystalline molecular sieves having three-dimensional microporous framework structures of ELO2, AlO2, PO2, SiO2 oxide units and having an empirical chemical composition on an anhydrous basis expressed by the formula: mR:(ELwAlxPySiz)O2 wherein “R”represents at least one organic templating agent pres

Crystalline molecular sieves having three-dimensional microporous framework structures of ELO2, AlO2, PO2, SiO2 oxide units and having an empirical chemical composition on an anhydrous basis expressed by the formula: mR:(ELwAlxPySiz)O2 wherein “R”represents at least one organic templating agent present in the intracrystalline pore system; “m”represents the molar amount of “R”present per mole of (ELwALxPySiz)O2 and has a value of zero to about 0.3; “EL”represents at least one element capable of forming a three dimensional oxide framework, “EL”is characterized as an element having a mean “T-O”distance in tetrahedral oxide structures between about 1.51 Angstroms and about 2.06 Angstroms, “EL”has a cation electronegativity between about 125 kcal/g-atom to about 310 kcal/g-atom and “EL”is capable of forming stable M-O-P, M-O-Al or M-O-M bonds in crystalline three dimensional oxide structures having an “M-O”bond dissociation energy greater than about 59 kcal/mole at 298°C.; and “w”, “x”, “y”and “z”represent the mole fractions of “EL”, aluminum, phosphorus, and silicon, respectively, present as framework oxides, said mole fractions being within the pentagonal compositional area defined by points A, B, C, D and E of FIG. 1, wherein element “EL”and each of aluminum, phosphorus and silicon are present such that “w”, “x”, “y”and “z”are at least 0.01 and each element “EL”is present as a tetrahedral oxide unit ELO2 in an amount of at least 0.01, said crystalline molecular sieves having a characteristic X-ray powder diffraction pattern which contains at least the d-spacings set forth in one of the following Tables A and B: TABLE A ________________________________ -(ELAPSO-5) 2qq2, AlO2, PO2, SiO2 oxide units and having an empirical chemical composition on an anhydrous basis expressed by the formula: mR:(ELwAlxPySiz)O2 wherein “R”represents at least one organic templating agent present in the intracrystalline pore system; “m”represents the molar amount of “R”present per mole of (ELwAlxPySiz)O2 and has a value of zero to about 0.3; “EL”represents at least one element capable of forming a three dimensional oxide framework, “EL”is characterized as an element having a mean “T-O”distance in tetrahedral oxide structures between about 1.51 Angstroms and about 2.06 Angstroms, “EL”has a cation electronegativity between about 125 kcal/g-atom to about 310 kcal/g-atom and “EL”is capable of forming stable M-O-P, M-O-Al or M-O-M bonds in crystalline three dimensional oxide structures having an “M-O”bond dissociation energy greater than about 59 kcal/mole at 298°C.; and “w”, “x”, “y”and “z”represent the mole fractions of “EL”, aluminum, phosphorus, and silicon, respectively, present as framework oxides, said mole fractions being within the pentagonal compositional area defined by points A, B, C, D and E of FIG. 1, wherein element “EL”and each of aluminum, phosphorus and silicon are present such that “w”, “x”, “y”and “z”are at least 0.01 and each element “EL”is present as a tetrahedral oxide unit ELO2 in an amount of at least 0.01, said crystalline molecular sieves having a characteristic X-ray powder diffraction pattern which contains at least the d-spacings set forth in one of the following Tables A and B: TABLE A ________________________________ -(ELAPSO-5) 2qqrAlsPtSiu)O2:bH2O wherein “R”is an organic templating agent; “a”is the amount of “R”and is an effective amount greater than zero to about 6; “b”has a value of from zero to about 500; “EL”represents at least one element capable of forming a three-dimensional oxide, “EL”is characterized as an element having a mean “T-O”distance in tetrahedral oxide structures between about 1.51 Angstroms and about 2.06 Angstroms, “EL”has a cation electronegativity between about 125 kcal/g-atom to about 310 kcal/g-atom and “EL”is capable of forming stable M-O-P, M-O-Al or M-O-M bonds in crystalline three dimensional oxide structures having an “M-O”bond dissociation energy greater than about 59 kcal/mole at 298°C.; and “r”, “s”, “t”and “u” represent mole fractions, respectively, of “EL”, aluminum, phosphorus and silicon in the (ELrAlsPtSiu)O2 constituent, and each has a value of at least 0.01.