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Method for preparing zirconium phosphate layer column material by guide assembly technology

A technology of zirconium phosphate layer and assembly technology, applied in chemical instruments and methods, phosphorus compounds, inorganic chemistry, etc., to achieve the effect of maintaining regularity

Inactive Publication Date: 2013-04-03
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the limitation of the volume of the polyhydroxymetal cation itself, it is used as a pillar propping agent to synthesize the zirconium phosphate layered column material. The obtained layered column material has a small pore size and has the disadvantages that the column structure is not easy to control and the regularity of the laminates is destroyed. , so that the materials obtained by this kind of synthetic method are limited in the application of shape-selective adsorption and selective catalysis

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0020] Embodiment one: In a dry 500 mL beaker, uniformly disperse 0.06 g of α-ZrP powder to 300 mL with a concentration of 0.4 mmol.L -1 In the alcohol-water dispersion of cetylamine, the solid-to-liquid ratio is 1:5 g / L, the molar ratio of organic amine: α-zirconium phosphate is 0.6:1, the volume ratio of alcohol to water is 1:1, and the water bath is 50°C Under magnetic stirring for 24 hours, after filtration and drying, layered organic zirconium phosphate was obtained. 0.1 mol.L at a concentration of 1.60 mL -1 Dodecyl dimethyl benzyl ammonium chloride aqueous solution and 0.45mL tetraethyl orthosilicate to form a microemulsion, and the organic zirconium phosphate is dispersed in the microemulsion, wherein dodecyl dimethyl benzyl ammonium chloride The molar ratio of zirconium organophosphate to zirconium organophosphate is 0.8:1, the molar ratio of ethyl orthosilicate to zirconium organophosphate is 10:1, the solid-liquid ratio of zirconium organophosphate and microemuls...

Embodiment 2

[0023] Embodiment two: In a dry 500 mL beaker, uniformly disperse 0.06 g of α-ZrP powder to 300 mL with a concentration of 0.4 mmol.L -1 In the alcohol-water dispersion of cetylamine, the solid-to-liquid ratio is 1:5 g / L, the molar ratio of organic amine: α-zirconium phosphate is 0.6:1, the volume ratio of alcohol to water is 1:1, and the water bath is 50°C Under magnetic stirring for 24 hours, after filtration and drying, layered organic zirconium phosphate was obtained. 0.1 mol.L at a concentration of 1.60 mL -1 Dodecyl dimethyl benzyl ammonium chloride aqueous solution and 0.18mL tetraethyl orthosilicate to form a microemulsion, the organic zirconium phosphate is dispersed in the microemulsion, wherein dodecyl dimethyl benzyl ammonium chloride The molar ratio of zirconium organophosphate to zirconium organophosphate is 0.8:1, the molar ratio of ethyl orthosilicate to zirconium organophosphate is 4:1, the solid-liquid ratio of zirconium organophosphate and microemulsion i...

Embodiment 3

[0024] Embodiment three: In a dry 500 mL beaker, uniformly disperse 0.06 g of α-ZrP powder to 300 mL with a concentration of 0.4 mmol.L -1 In the alcohol-water dispersion of cetylamine, the solid-to-liquid ratio is 1:5 g / L, the molar ratio of organic amine: α-zirconium phosphate is 0.6:1, the volume ratio of alcohol to water is 1:1, and the water bath is 50°C Under magnetic stirring for 24 hours, after filtration and drying, layered organic zirconium phosphate was obtained. 0.1 mol.L at a concentration of 1.60 mL -1 Tetradecyl dimethyl benzyl ammonium chloride aqueous solution and 0.45mL orthosilicate ethyl ester to make a microemulsion, the organic zirconium phosphate is dispersed in the microemulsion, wherein tetradecyl dimethyl benzyl ammonium chloride The molar ratio of zirconium organophosphate to zirconium organophosphate is 0.8:1, the molar ratio of ethyl orthosilicate to zirconium organophosphate is 10:1, the solid-liquid ratio of zirconium organophosphate and micro...

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Abstract

The invention discloses a method for preparing a zirconium phosphate layer column material by a guide assembly technology, and belongs to the technical field of preparation of materials. The method comprises the following steps: organically modifying layered zirconium phosphate which is used as a raw material by long-chain organic amine such as cetylamine, intercalating long-chain quaternary ammonium salt such as dodecyl dimethyl benzyl ammonium chloride into the organized zirconium phosphate layer, synergetically introducing ethyl silicate and long-chain quaternary ammonium salt by a solvation method, forming a silica polymer cross-linked structure which is arranged in order in the zirconium phosphate layer by the guide assembly technology with the micelles formed by the long-chain quaternary ammonium salt such as dodecyl dimethyl benzyl ammonium chloride as a template, and removing the organic amine and quaternary ammonium salt by calcination to obtain the zirconium phosphate layer column material supported by a silicon dioxide column.

Description

technical field [0001] The invention relates to a method for preparing a zirconium phosphate layer column material by using a guided assembly technology, and belongs to the technical field of material preparation. Background technique [0002] In recent years, relying on layered compounds with a two-dimensional spatial structure as the main skeleton, using the principle of intercalation assembly chemistry to introduce functional guests, construct a supramolecular intercalated column structure, and synthesize layered columns with a highly ordered structure and multiple excellent functions. Materials have attracted extensive attention of many chemical and material scientists, and become one of the active topics in the field of chemistry and material science research. [0003] The use of large-volume inorganic cations to prepare layered column materials by ion exchange in layered compounds originated from natural clay materials such as clay, hydrotalcite, and montmorillonite. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/37
Inventor 陈若愚刘文晋王红宁钟璟刘小华
Owner CHANGZHOU UNIV
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