High-stability metal organic skeleton hybrid material, preparation method and application thereof

A metal-organic framework and high-stability technology, applied in organic chemistry, copper organic compounds, zinc organic compounds, etc., can solve the problems of low technical content, decolorization, low added value, etc., achieve good results, simple methods, and improve water quality The effect of thermal stability

Active Publication Date: 2014-04-02
NANJING TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But its current biggest use is decolorization, and others are also used to produce low-tech products with low added value

Method used

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  • High-stability metal organic skeleton hybrid material, preparation method and application thereof

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preparation example Construction

[0041] Preparation of metal-organic framework HKUST-1: Weigh 0.6000g of copper nitrate trihydrate and 0.3000g of tribenzoic acid, add 10mL of N,N-dimethylformamide, absolute ethanol and water, stir for 1h, and The above solution was stirred and reacted at 85° C. for a total of 23 hours. The sample was taken out and filtered, washed with N,N-dimethylformamide and absolute ethanol, taken out, soaked in dichloromethane and dried in the air to obtain metal organic framework HKUST-1.

[0042] Preparation of metal-organic framework MOF-5: Weigh 1.2100g of zinc nitrate hexahydrate and 0.3400g of terephthalic acid, add 40m N,N-dimethylformamide, stir for 15min, and react at 120°C. The reaction time is 24h. The sample was taken out and filtered, and washed with N,N-dimethylformamide to obtain the metal-organic framework MOF-5.

Embodiment 1

[0044] Weigh 0.6000g of copper nitrate trihydrate, 0.3000g of tribenzoic acid and 0.0474g of attapulgite, add 10mL of N,N-dimethylformamide, absolute ethanol and water respectively, stir for 1h, and mix the above The solution was stirred and reacted at a temperature of 85°C, and the reaction time was 23h. Take out the sample and filter it, wash it with N,N-dimethylformamide and absolute ethanol, take it out, soak it in dichloromethane and dry it to get the hybrid material of metal organic framework HKUST-1 and attapulgite.

Embodiment 2

[0046] Weigh 0.6000g of copper nitrate trihydrate, 0.3000g of tribenzoic acid and 0.1000g of attapulgite, add 10mL of N,N-dimethylformamide, absolute ethanol and water respectively, stir for 1h, and mix the above The solution was stirred and reacted at a temperature of 85°C, and the reaction time was 23h. Take out the sample and filter it, wash it with N,N-dimethylformamide and absolute ethanol, take it out, soak it in dichloromethane and dry it to get the hybrid material of metal organic framework HKUST-1 and attapulgite.

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Abstract

The invention discloses a high-stability metal organic skeleton hybrid material. The metal organic skeleton hybrid material has high hydrothermal stability, and comprises metal organic skeleton and attapulgite, wherein the mass ratio of the attapulgite to the metal organic skeleton is (0.005-0.7):1.

Description

technical field [0001] The invention relates to a metal-organic framework, a preparation method and its application, more specifically to a highly stable metal-organic framework hybrid material, a preparation method and its application. Background technique [0002] As an emerging material, metal-organic framework materials have broad application prospects in the fields of adsorption and catalysis due to their large specific surface area and pore size. However, current research shows that their stability is poor. For example, the literature (S.S.Kaye, A.Dailly, O.M.Yaghi, J.R.Long.J.Am.Chem.Soc.2007, 129, 141176-14177) reported that the metal-organic framework MOF-5 was placed in the air for more than 1min, and its structure was This shortcoming limits the application of metal-organic frameworks. Attapulgite is a crystalline hydrated magnesium aluminum silicate mineral with unique layer chain structure characteristics, so that it has unique dispersion, high temperature resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F1/08C07F3/06C07F5/00C07F5/06C07F11/00C07F15/02B01J31/22C07C43/178C07C41/03
Inventor 刘晓勤孙林兵殷孝谦陆磊刘定华
Owner NANJING TECH UNIV
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