Preparation method and applications of mesoporous metal organic complex base composite material

A technology of metal-organic and composite materials, applied in the field of preparation of mesoporous metal-organic complex-based composite materials, can solve the problems of long preparation time and hindering application, achieve high catalytic activity and avoid agglomeration

Inactive Publication Date: 2015-02-04
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the long preparation time, high temperature and high pressure steps, challenges to production equipment and high energy consumption, etc., the application of this method in industrial production is hindered.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of cyanuric chlorotricarboxylic acid H 3 The preparation method of L: to 13 mmol of 4-aminobenzoic acid, under stirring conditions, add 20 mL of an aqueous solution containing 15 mmol of sodium hydroxide, add 5 mL of a dioxane solution containing 3 mmol of cyanuric chloride, and heat Reflux for 10 h, adjust the pH to 2 with hydrochloric acid, filter, and wash the filtered solid with water three times to obtain H 3 L, the yield was 85%, H 3 L molecular formula is C 24 h 18 N 6 o 6 .

Embodiment 2

[0032] A kind of cyanuric chlorotricarboxylic acid H 3 The preparation method of L: to 15 mmol of 4-aminobenzoic acid, under stirring conditions, add 20 mL of an aqueous solution containing 17 mmol of sodium hydroxide, add 5 mL of a dioxane solution containing 3 mmol of cyanuric chloride, and heat Reflux for 12 hours, adjust the pH to 3 with hydrochloric acid, filter, and wash the filtered solid with water three times to obtain H 3 L, the yield was 88%, H 3 L molecular formula is with embodiment 1.

Embodiment 3

[0034] A kind of cyanuric chlorotricarboxylic acid H 3 The preparation method of L: to 14 mmol of 4-aminobenzoic acid, under stirring conditions, add 20 mL of an aqueous solution containing 16 mmol of sodium hydroxide, add 5 mL of a dioxane solution containing 3 mmol of cyanuric chloride, and heat Reflux for 11 h, adjust the pH to 2 with hydrochloric acid, filter, and wash the filtered solid with water three times to obtain H 3 L, the yield is 85-88%, H 3 L molecular formula is with embodiment 1.

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Abstract

The present invention relates to a preparation method and applications of a mesoporous metal organic complex base composite material, and belongs to the technical fields of material science, nanometer materials, chemical industry, catalysis and the like. According to the present invention, copper nitrate, a cyanuric chloride tricarboxylic acid H3L and tetraethyl orthosilicate are subjected to one-step ultrasound to prepare Cu-MOF@SiO2, the Cu-MOF@SiO2 is impregnated in a silver nitrate solution, and ultraviolet irradiation is adopted to reduce Ag<+> to prepare the magnetic metal organic polymer-supported noble metal catalyst with the nanometer Ag anchored on the surface, wherein the catalyst is the Cu-MOF@SiO2@Ag. The catalysis has the excellent performance of catalytic reduction of unsaturated organic compounds, and has good application prospects in heterogeneous catalytic reduction reactions.

Description

technical field [0001] The invention relates to a preparation method and application of a mesoporous metal-organic complex-based composite material, in particular to a Cu-MOFSiO 2 The preparation method of the Ag catalyst and the application of the catalytic reduction organic matter belong to the technical fields of material science, nanometer material, metal organic complex, chemical industry, catalysis and the like. Background technique [0002] Nano-metal is a kind of metal material with a particle size less than 100nm. Compared with bulky metal materials, due to its unique structural characteristics such as small particle size and large specific surface area, it shows newer and better characteristics, and has become a catalytic technology. An indispensable catalyst in the field. In order to improve the catalytic activity of nano-silver, its preparation aims to obtain monodisperse and shape-controllable particles, but because of its large specific surface energy, it is e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J31/26C07C211/52C07C209/18C02F1/70C02F101/38
Inventor 王志玲刘志连郑鲁沂
Owner UNIV OF JINAN
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