Preparation method of hydrophilic MOF (Metal Organic Framework) and application of prepared MOF as catalyst carrier

A hydrophilic, solvent-based technology, applied in physical/chemical process catalysts, organic compound/hydride/coordination complex catalysts, chemical instruments and methods, etc., can solve problems such as limited universality, cumbersome steps, and long time. , to achieve the effect of high-efficiency enzyme-catalyzed reaction, excellent hydrophilic performance and high structural stability

Pending Publication Date: 2021-12-03
CAPITAL NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new polymer material has good water solubility that makes them ideal materials used as carriers or reactants during chemical processes like biochemistry. It also allows efficient production of highly active enzymes at room temperature under specific conditions. Additionally, this modified metal organophosphate molecule helps with its structure stabilization over time without losing effectiveness due to decomposition caused by external factors such as light exposure or heating.

Problems solved by technology

This patented technical problem addressed in this patents relates to finding ways to enhance the properties or functions of MORs without losing their original shape when exposed to different solvent systems like water.

Method used

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  • Preparation method of hydrophilic MOF (Metal Organic Framework) and application of prepared MOF as catalyst carrier
  • Preparation method of hydrophilic MOF (Metal Organic Framework) and application of prepared MOF as catalyst carrier
  • Preparation method of hydrophilic MOF (Metal Organic Framework) and application of prepared MOF as catalyst carrier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Synthesis of ZIF-8 Modified by Sodium 12-Phosphotungstate (PW)

[0041] Solution A: 1.71g of zinc nitrate hexahydrate was dissolved in 45mL of methanol to prepare a solution.

[0042] Solution B: 3.6g of 2-methylimidazole was dissolved in 45mL of methanol to prepare a solution.

[0043] Solution C: 1 mg / mL PW aqueous solution.

[0044] Mix and stir 45mL of liquid A, 45mL of liquid B, and 6mL of liquid C for 5 minutes and let stand for at least 1 hour, then centrifuge to collect the product, wash with methanol and dry to obtain 12-sodium phosphotungstate (PW) modified ZIF-8 material , denoted as I-ZIF-PW-1, where the number 1 indicates that the concentration of the PW aqueous solution used is 1 mg / mL.

Embodiment 2

[0046] Except that C liquid is the PW aqueous solution of 2mg / mL, prepare the ZIF-8 material modified by 12-sodium phosphotungstate (PW) in the same manner as in Example 1, denoted as I-ZIF-PW-2, wherein The number 2 indicates that the concentration of the PW aqueous solution used is 2 mg / mL.

Embodiment 3

[0048] Except that C liquid is the PW aqueous solution of 3mg / mL, prepare the ZIF-8 material modified by 12-sodium phosphotungstate (PW) in the same manner as in Example 1, denoted as I-ZIF-PW-3, wherein The number 3 indicates that the concentration of the PW aqueous solution used is 3 mg / mL.

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Abstract

The invention discloses a preparation method of hydrophilic MOFs (Metal-Organic Frameworks), according to the method, hydrophilic polyacid clusters enter pores of the MOFs in the growth and synthesis process of the MOFs, the overall hydrophilicity of the MOFs is improved from inside to outside, and the one-step synthesis does not need to change ligands and metal ions of the MOFs. The polyacid cluster modified MOFs material obtained according to the preparation method disclosed by the invention has excellent hydrophilic performance, is very suitable for being used as a carrier material of a biological enzyme, can realize efficient enzyme catalytic reaction in a water phase and is convenient for catalyst separation, and the supported catalyst has high structural stability and can be recycled for a long time.

Description

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Claims

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Application Information

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Owner CAPITAL NORMAL UNIVERSITY
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