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Method of one-pot preparation of UIO-66-NH2/functional monomer composite material, and application of the composite material for adsorption of antibiotics

A technology of UIO-66-NH2 and functional monomers, applied in chemical instruments and methods, adsorption water/sewage treatment, other chemical processes, etc., can solve problems such as poor treatment effect of macrolide antibiotics, and achieve The effect of environmental friendliness and simple preparation process

Active Publication Date: 2019-05-03
HENAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is aimed at existing UIO-66-NH 2 For the problem of poor treatment effect of macrolide antibiotics, it provides a simple and low-cost one-pot method for preparing UIO-66-NH 2 The method of / functional monomer composite material and its application in the adsorption of macrolide antibiotics

Method used

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  • Method of one-pot preparation of UIO-66-NH2/functional monomer composite material, and application of the composite material for adsorption of antibiotics
  • Method of one-pot preparation of UIO-66-NH2/functional monomer composite material, and application of the composite material for adsorption of antibiotics
  • Method of one-pot preparation of UIO-66-NH2/functional monomer composite material, and application of the composite material for adsorption of antibiotics

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Accurately weigh 0.2332g of zirconium tetrachloride and 0.1661g of 2-aminoterephthalic acid in 50mL of N,N-dimethylformamide, then add 0.2073g of 2-acrylamide-2-methylpropanesulfonic acid, 0.88mL of cross-linking agent ethylene glycol dimethacrylate and 10mg of initiator azobisisobutyronitrile were transferred to a stainless steel hydrothermal reactor with a tetrafluoroethylene liner, and reacted at 120°C for 24h. After cooling to room temperature, centrifuge and wash three times with methanol at 6000 rpm, and dry to obtain UIO-66-NH 2 / Functional monomer composites.

Embodiment 2

[0016] Accurately weigh 0.4664g of zirconium tetrachloride and 0.1661g of 2-aminoterephthalic acid in 50mL of N,N-dimethylformamide, then add 0.2073g of 2-acrylamide-2-methylpropanesulfonic acid, 0.88mL of cross-linking agent ethylene glycol dimethacrylate and 10mg of initiator azobisisobutyronitrile were transferred to a stainless steel hydrothermal reactor with a tetrafluoroethylene liner, and reacted at 120°C for 24h. After cooling to room temperature, centrifuge and wash three times with methanol at 6000 rpm, and dry to obtain UIO-66-NH 2 / Functional monomer composites.

Embodiment 3

[0018] Accurately weigh 0.1166g of zirconium tetrachloride and 0.042g of 2-aminoterephthalic acid in 50mL of N,N-dimethylformamide, then add 0.2073g of 2-acrylamide-2-methylpropanesulfonic acid, 0.88mL of cross-linking agent ethylene glycol dimethacrylate and 10mg of initiator azobisisobutyronitrile were transferred to a stainless steel hydrothermal reactor with a tetrafluoroethylene liner, and reacted at 120°C for 24h. After cooling to room temperature, centrifuge and wash three times with methanol at 6000 rpm, and dry to obtain UIO-66-NH 2 / Functional monomer composites.

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Abstract

The invention discloses a method of one-pot preparation of a UIO-66-NH2 / functional monomer composite material, and an application of the composite material for adsorption of antibiotics. The method includes: simultaneously dissolving the functional monomer, a zirconium source, and an organic ligand in N,N-dimethylformamide under supersonic, adding a crosslinker ethylene glycol dimethacrylate and an initiator azodiisobutyronitrile; moving the materials into a stainless steel reaction kettle with a Teflon liner, and performing a reaction at 100-150 DEG C for coordination and bonding; cooling thereaction product, and washing, centrifuging and drying the product to obtain the target product, UIO-66-NH2 / functional monomer composite material. The invention also discloses an application of the composite material, as an adsorbent, for adsorbing macrolide antibiotics. Through the one-pot process, the UIO-66-NH2 / functional monomer composite material has excellent physical and chemical stability. The method is simple in process, is environment-friendly. The material is high in removal efficiency and large in adsorption capacity on the macrolide antibiotics in environment.

Description

technical field [0001] The invention belongs to metal organic framework UIO-66-NH 2 Composite material technical field, specifically relate to a kind of one-pot method to prepare UIO-66-NH 2 / Functional monomer composites and their application in the adsorption of macrolide antibiotics. Background technique [0002] Macrolide antibiotics are a group of antibiotics containing a 14-16-membered macrocyclic internal aliphatic ring structure. They are widely used in clinical practice because of their good antibacterial effect on Gram-positive bacteria and mycoplasma and their easy absorption. Livestock treatment. At the same time, due to the long-term excessive use of macrolide antibiotics, it will continue to accumulate in the environment and endanger human health. Many scholars at home and abroad have done a lot of research on the removal of macrolide pollutants, and the use of efficient adsorbents to separate them has become one of the key technologies. [0003] Metal-orga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28B01J20/22B01J20/30C08G83/00C02F101/34
Inventor 朱桂芬程国浩张耀宗赵娟杨灿王醒张凯歌汪瑾樊静
Owner HENAN NORMAL UNIV
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