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Hybrid material containing metal organic framework material, and preparation method thereof

A technology of metal-organic frameworks and hybrid materials, applied in the fields of alkali metal compounds, chemical instruments and methods, alkali metal oxides/hydroxides, etc., can solve the problem of low physical and chemical properties, high carboxyl arrangement density, and reduced adsorption capacity To achieve the effect of shortening the crystal nucleation time, enhancing the hydrogen bond interaction, and enhancing the mechanical properties

Pending Publication Date: 2019-05-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the disordered distribution of carboxyl groups in the polymer macroporous microspheres functionalized with carboxyl groups and the high arrangement density of carboxyl groups, Co 2+ When coordinating with the carboxyl group, it is easy to undergo excessive coordination complexation, that is, changing the ZIF (Co 2+ )-type metal-organic framework materials should have a spatial coordination structure, resulting in a decrease in adsorption capacity
At the same time, this method cannot guarantee that Co 2+ Effectively go deep into the internal coordination of carboxyl-functionalized polymer macroporous microspheres, so the coordination mainly occurs on the outer surface of carboxyl-functionalized polymer macroporous microspheres, that is, the physical and chemical properties are not high

Method used

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  • Hybrid material containing metal organic framework material, and preparation method thereof
  • Hybrid material containing metal organic framework material, and preparation method thereof
  • Hybrid material containing metal organic framework material, and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Take 20g of carrier aluminosilicate plate, its thickness is 15mm, γ-alumina mass content and silica mass content are 70% and 30% respectively, and its total pore volume, average pore diameter, specific surface area and compressive strength are 0.27cm 3 / g, 1650nm, 1.25m 2 / g and 0.02MPa. The aluminosilicate plate was placed in 200 g of a hydrochloric acid solution with a mass concentration of 15% for 4 hours, taken out, washed with deionized water until neutral, and dried at 100 °C for 10 hours for use.

[0036] 1 g of trimesic acid was placed in 10 g of anhydrous ethanol solvent, and stirred at room temperature to obtain an ethanol solution of trimesic acid. Take 10g of acidified aluminosilicate plate and immerse it in trimesic acid ethanol solution for 10h.

[0037] 0.3 g of copper nitrate trihydrate was placed in 3 g of deionized water, and stirred at room temperature to obtain an aqueous solution of copper nitrate trihydrate. The soaked aluminosilicate plate was...

Embodiment 2

[0040] Same as Example 1, the difference is that the acid treatment adopts sulfuric acid to obtain the hybrid material B containing the metal-organic framework material.

Embodiment 3

[0042] Same as Example 1, the difference is that the acid treatment adopts nitric acid to obtain the hybrid material C containing the metal-organic framework material.

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Abstract

The invention relates to a hybrid material containing a metal organic framework material, and a preparation method thereof. The preparation method comprises: (1) carrying out acid treatment on an aluminosilicate carrier, washing to achieve a neutral state, and drying; (2) immersing the carrier in an organic ligand solution, and impregnating; (3) transferring the material into a reactor containinga copper salt solution while supplying a trimesic acid solution, and carrying out stand treatment at a low temperature; and (4) transferring the reactor into a drying oven, drying, taking the mixtureout of the reactor, filtering, washing, and drying to obtain the hybrid material containing the metal organic framework material. According to the present invention, the copper-based metal organic framework material HKUST-1 in the hybrid material grows uniformly, and the hybrid material has high ethylene adsorption capacity and selective ethylene / ethane adsorption separation effect, and further has good mechanical strength.

Description

technical field [0001] The invention belongs to the field of organic materials, in particular to a hybrid material containing a metal-organic framework material and a preparation method thereof. Background technique [0002] The copper-based metal-organic framework material HKUST-1, also known as Cu-BTC, was synthesized by the Williams team of Hong Kong University of Science and Technology in 1999. This electrically neutral material consists of web-shaped Cu 2 (COO) 4 It is composed of structural units, and the structural units are connected to each other to form a three-dimensional three-dimensional channel structure with a face-centered cubic space lattice type. When the copper ion-bound water is removed from the framework, HKUST-1 will have unsaturated metal coordination sites, and the main pore size of this structure is 0.9 nm. Since HKUST-1 possesses two typical cavities, it is an excellent material for the adsorption and separation of gas molecules. In addition, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00B01J20/22B01J20/28B01J20/30B01D53/02
Inventor 赵亮王刚方向晨
Owner CHINA PETROLEUM & CHEM CORP
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