A microporous metal-organic framework cu(qc) 2 the preparation method of
A metal-organic framework, microporous technology, applied in separation methods, chemical instruments and methods, other chemical processes, etc., can solve the problems of reducing gas adsorption sites, unfavorable gas penetration, and too densely stacked sheet fillers.
Active Publication Date: 2022-08-05
DALIAN UNIV OF TECH PANJIN INST OF IND TECH
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Problems solved by technology
And the stacking of flaky packing is too dense, which is not conducive to the penetration of gas, which will greatly affect the adsorption of gas
There are organic guests in the unactivated MOF structure, which will occupy the pores, reduce the adsorption sites of gases, and reduce the amount of gas adsorption
Method used
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Embodiment 1
[0045] In a closed autoclave, feed nitrogen; add 12g 1-allyl-3-vinylimidazole nitrate, 5g mercaptopolyethylene glycol, 0.06g 3-amino-4-mercaptoquinoline (CAS: 109543- 48-8), 10g ethanol, add 5g sodium methoxide, heat up and stir to 50°C, react for 1h, evaporate the ethanol, and obtain synergist 1.
preparation Embodiment 2
[0047] In airtight autoclave, feed nitrogen; add 18g 1-allyl-3-vinylimidazole nitrate, 8g mercaptopolyethylene glycol, 0.8g 3-amino-4-mercaptoquinoline (CAS: 109543- 48-8), 110g ethanol, add 8g sodium methoxide, heat up and stir to 60°C, react for 2.5h, evaporate the ethanol to obtain synergist 2.
Embodiment 3
[0049] In a closed autoclave, feed nitrogen; add 22g 1-allyl-3-vinylimidazole nitrate, 11g mercaptopolyethylene glycol, 1.5g 3-amino-4-mercaptoquinoline (CAS: 109543- 48-8), 120 g of alcohol, add 11 g of sodium methoxide, heat up and stir to 65°C, react for 4 h, and evaporate the ethanol to obtain synergist 3.
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Abstract
The invention relates to the technical field of hybrid materials, in particular to a microporous metal-organic framework Cu(Qc) 2 The preparation method of the invention; a microporous metal organic framework Cu(Qc) of the invention 2 A facile and efficient room-temperature synthesis of MOF material Cu(Qc) is proposed. 2 method, using (Zn,Cu) hydroxy double salt as intermediate, Cu(Qc) was successfully synthesized within 1~12h at room temperature 2 , the resulting Cu(Qc) 2 Has good carbon dioxide adsorption capacity.
Description
technical field [0001] The invention relates to the technical field of hybrid materials, in particular to a microporous metal-organic framework Cu(Qc) 2 preparation method. Background technique [0002] Carbon dioxide is ubiquitous in many chemical and energy production processes or as an impurity in raw materials. Its existence will seriously affect the purity and utilization of products or raw materials. Therefore, there is an important practical need to separate carbon dioxide from industrial gases. For example, the main component of natural gas is methane, but it contains about 10% carbon dioxide (CO 2 ), in order to meet the transportation standard, carbon dioxide is usually removed in advance, and the requirement for pipeline natural gas is CO 2 <=3%, LNG is CO 2 <50ppm. [0003] In recent years, Metal-Organic Frameworks (MOFs) have been attracting much attention due to their rich topology and applications in gas storage or separation, ion exchange, catalysis...
Claims
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IPC IPC(8): C08G83/00B01D53/02B01J20/22
CPCC08G83/008B01J20/226B01D53/02B01D2253/204B01D2257/504Y02P20/151
Inventor 代岩宁梦佳刘红晶贺高红郭明钢章星郗元
Owner DALIAN UNIV OF TECH PANJIN INST OF IND TECH