KR920019805A - Novel microporous gallium phosphate crystals, substitution derivatives thereof and preparation method thereof - Google Patents

Abstract

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Description

Novel microporous gallium phosphate crystals, substitution derivatives thereof and preparation method thereof

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Claims (10)

Microporous gallium phosphate crystals and substituted derivatives thereof, which may be represented by the following general formula, and have X-ray diffraction shown in Table 1 of the present specification. R _r Ga _g P _p X _x O ₂ FfhH ₂ O Wherein the sum of g, p and X is 1, g is a number comprised between 0.3 and 0.5, p is a number comprised between 0.3 and 0.5, x is a number comprised between 0 and 0.4, r is a value comprised between 0.01 and 0.2, f is a value comprised between 0.01 and 0.2, h is varied depending on the degree of hydration of the solid between 0 and 0.5, and R is selected from the group consisting of cyclicamines Is an organic compound, X is a hetero atom selected from the group consisting of elements of Li, Be, Co, Mg, Mn, Zn, Al, B, Cr, Fe, Ge, Si, Ti, As and V. The microporous gallium phosphate crystal according to claim 1, wherein the hetero atom X is silicon and substituted derivatives thereof. The microporous gallium phosphate crystal according to claim 1 or 2, wherein R is quinuclidin, and a substituted derivative thereof. a) a group of elements consisting of water, at least one gallium source, at least one phosphor source, Li, Be, Co, Mg, Mn, Zn, Al, B, Cr, Fe, Ge, Si, Ti, As and V Preparing a reactive mixture comprising at least one hetero atom selected from X, at least one organic compound, and at least one fluoride anion and having a pH between 3 and 8 and having a compositional formula in terms of molecular ratio; r'R: Ga ₂ O ₃ : p'P ₂ O ₅ : _x XO ₂ : f'F: h'H ₂ O In the above formula, r 'is a number between 1 and 10, and p' is 0.3 and X 'is between 0 and 1.5, f' is between 0.1 and 4, h is between 1 and 500, and R is cyclic An organic compound selected from the group consisting of amines, n represents the degree of oxidation of hetero atom x; b) maintaining the aforementioned reactive mixture at an upper heating temperature of 40 ° C. until a crystal complex is obtained, the microporous gallium phosphate crystals according to any one of claims 1 to 3 and the substituted derivatives thereof. Manufacturing method. The method of claim 4, wherein the composition of the above-mentioned reactive mixture in the step a) can be represented in terms of molecular weight as follows: r'R: Ga ₂ O ₃ : p'P ₂ O ₅ : _x XO ₂ : f'F: h'H ₂ O where r 'is a number between 1 and 10, p' is a number between 0.5 and 1, and x 'is between 0 and 1. It is a numerical value included, f 'is a numerical value contained between 0.3 and 2, and h' is a numerical value contained between 30 and 100. The method of claim 4 or 5, wherein R is quinuclidin. 7. The process according to any one of claims 4 to 6, wherein X is silicon. The process according to any one of claims 4 to 7, wherein the heating temperature of the reactive mixture described above in step b) is maintained between 40 ° C and 250 ° C until a crystalline compound is obtained. The method according to any one of claims 4 to 7, wherein the heating temperature of the reactive mixture described above in step b) is maintained at 60 to 220 ° C until a crystalline compound is obtained. 10. The process according to claim 4, wherein after the step b), the solid is calcined to an upper temperature of 200 ° C. 11. ※ Note: The disclosure is based on the initial application.