초록 ▼

A new porous silico-crystal, designated as ZSM-48, a method of making same and the use thereof in catalytic conversion of organic compounds. The new product has a composition, expressed in terms of moles of anhydrous oxides per 100 moles of silica as follows: (0.05 to 5) N2O: (0.1 to 10)M2/nO: (0 to

A new porous silico-crystal, designated as ZSM-48, a method of making same and the use thereof in catalytic conversion of organic compounds. The new product has a composition, expressed in terms of moles of anhydrous oxides per 100 moles of silica as follows: (0.05 to 5) N2O: (0.1 to 10)M2/nO: (0 to 4)Al2O3: (100)SiO2 wherein M is at least one cation having a valence n, N is a mixture of C2-C12 alkylamine and more preferably of C3-C5 tetramethyl ammonium compound, and wherein the zeolite is characterized by the distinctive X-ray powder diffraction pattern shown in Table I.

대표청구항 ▼

A porous silico-crystal ZSM-48 having a composition expressed in terms of moles of anhydrous oxides, per 100 moles of silica, as follows: (0.05 to 5)N2O:(0.1 to 10)M2/nO:(0 to 4)Al2O3:(100)SiO2 wherein M is at least one cation having a valence n, N is a mixture of a C2-C12 alkylamine compound and te

A porous silico-crystal ZSM-48 having a composition expressed in terms of moles of anhydrous oxides, per 100 moles of silica, as follows: (0.05 to 5)N2O:(0.1 to 10)M2/nO:(0 to 4)Al2O3:(100)SiO2 wherein M is at least one cation having a valence n, N is a mixture of a C2-C12 alkylamine compound and tetramethylammonium compound, and wherein said crystal is characterized by the X-ray diffraction pattern whose values are set forth in Table I of the specification and which exhibits a singlet line within the range of 11.8±0.2 Angstrom units. A method for preparing the porous silico-crystal of claim 1 which comprises preparing a reaction mixture containing a source of silica, an alkali metal oxide, N2O, and water and having a composition, in terms of mole ratios of oxides, falling within the following ranges: Al2O3/SiO2: 0 to 0.08 Na2O/SiO2: 0.01 to 1.0 N2O/SiO2: 0.005 to 0.5 OH-/SiO2: 0.01 to 0.5 H2O/SiO2: 10 to 200 wherein N is a mixture of C2-C12 alkylamine compound and a tetramethyl ammonium compound, and maintaining said mixture until crystals of said silico-crystal are formed.