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A kind of preparation method of large-aperture organic covalent framework material

A framework material and large pore size technology, applied in the field of preparation of large pore size organic covalent framework materials, can solve the problems of restricting the development of new structures and new materials, limited reaction types, etc., and achieve high chemical stability and thermal stability, cost The effect of low and large apertures

Active Publication Date: 2021-02-19
湖北赤壁集技产业技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, so far, the preparation of covalent organic framework materials is limited to easy chemical reactions involving a very limited variety of reactions, which limits the development of new structures and materials.

Method used

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  • A kind of preparation method of large-aperture organic covalent framework material
  • A kind of preparation method of large-aperture organic covalent framework material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Weigh 0.8524g of copper chloride dihydrate, place it in a 50mL polytetrafluoroethylene-lined autoclave, add 25mL of ethanol, mix well, and cover the kettle tightly.

[0021] (2) Put the autoclave in a muffle furnace and react at 160°C for 24h. Cool to room temperature, filter under reduced pressure, and dry the product in vacuum at 50°C for 12 hours. Store in a dark place under a nitrogen protection atmosphere to obtain cuprous chloride nanocrystals with a diameter of 2-10 nm.

[0022] (3) 10 mg of cuprous chloride crystal powder, 10 mg of benzidine and 30 mg of 1,3,5-tris[4-amino(1,1-biphenyl-4-yl)]benzene were dissolved in 5.0 mL of acetonitrile, Stir at room temperature for 10 h.

[0023] (4) The reaction mixture was taken out, washed with 25% ammonia water, water and acetone respectively, and dried and stored.

[0024] figure 1 It includes a schematic diagram of the reaction process and a schematic structure of the large-aperture organic covalent framework m...

Embodiment 2

[0027] (1) Weigh 0.8524g of copper chloride dihydrate, place it in a 50mL polytetrafluoroethylene-lined autoclave, add 25mL of ethanol, mix well, and cover the kettle tightly.

[0028] (2) Put the autoclave in a muffle furnace and react at 160°C for 24h. Cool to room temperature, filter under reduced pressure, and dry the product in vacuum at 50°C for 12 hours. Store in a dark place under a nitrogen protection atmosphere to obtain cuprous chloride nanocrystals with a diameter of 2-10 nm.

[0029] (3) 20mg of cuprous chloride crystal powder, 10mg of benzidine and 30mg of 1,3,5-tris[4-amino(1,1-biphenyl-4-yl)]benzene were dissolved in 5.0mL of acetonitrile, Stir at room temperature for 10 h.

[0030] (4) The reaction mixture was taken out, washed with 25% ammonia water, water and acetone respectively, and dried and stored.

Embodiment 3

[0032] (1) Weigh 0.8524g of copper chloride dihydrate, place it in a 50mL polytetrafluoroethylene-lined autoclave, add 25mL of ethanol, mix well, and cover the kettle tightly.

[0033] (2) Put the autoclave in a muffle furnace and react at 160°C for 24h. Cool to room temperature, filter under reduced pressure, and dry the product in vacuum at 50°C for 12 hours. Store in a dark place under a nitrogen protection atmosphere to obtain cuprous chloride nanocrystals with a diameter of 2-10 nm.

[0034] (3) 10 mg of cuprous chloride crystal powder, 10 mg of benzidine and 30 mg of 1,3,5-tris[4-amino(1,1-biphenyl-4-yl)]benzene were dissolved in 5.0 mL of acetonitrile, Stir at room temperature for 48h.

[0035] (4) The reaction mixture was taken out, washed with 25% ammonia water, water and acetone respectively, and dried and stored.

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Abstract

The invention provides a preparation method of an organic covalent framework material with a large aperture. Adopt solvothermal method to prepare cuprous chloride catalyst with nanometer scale, select 1,3,5-three [4-amino (1,1-biphenyl-4-yl)] benzene and benzidine as monomer molecule, in Preparation of Organic Polymers by Amino Coupling Reaction Catalyzed by Cuprous Chloride Nanocrystals. The method disclosed in the invention can be carried out at room temperature, the reaction conditions are mild, and it has the characteristics of simple preparation, low cost, and easy industrial batch production, and the prepared polymer has large pore size, high chemical stability and thermal stability , can be used in composite electrode materials, organic dyes, biomedicine and many other fields.

Description

technical field [0001] The invention belongs to the field of preparation of organic covalent framework materials, and in particular relates to a preparation method of large-aperture organic covalent framework materials. Background technique [0002] Covalent organic framework materials are a class of periodic and crystalline polymers, which are linked by covalent bonds by light elements, have low density, high thermal stability and inherent porosity, and have intrinsic flexibility, Low cost, light weight and many other advantages. Covalent organic framework materials have important application value and broad market prospects in research fields such as gas adsorption, heterogeneous catalysis, and energy storage, and have aroused strong research interest in the scientific community. [0003] Covalent organic framework materials have designable and tailorable properties. However, so far, the preparation of covalent organic framework materials is limited to easy chemical reac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G73/00
CPCC08G73/00
Inventor 苗中正
Owner 湖北赤壁集技产业技术研究院有限公司
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