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The Preparation Of Metal-organic Framework (MOF) Derivatives And Their Catalytic Applications

Posted on:2019-12-04Degree:MasterType:Thesis
Country:ChinaCandidate:H M ChuFull Text:PDF
GTID:2371330545459948Subject:Chemical engineering
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Metal-Organic Framework(abbreviated as MOF)is a periodic,network-structured,porous crystalline material formed by the coordination of inorganic or organic ligands and metal ions or metal clusters through coordination bonds.Due to its special physical and chemical properties such as large specific surface area,high porosity and adjustable structure,MOF materials have attracted extensive attention from researchers in the areas of gas adsorption,separation,catalysis,and biological drug delivery.In addition,MOF materials based on the template can be obtained different MOF material derivatives,such as porous carbon materials,metal and metal oxide materials,MOF polymer composites,in the sensing,drug release,conductivity,catalysis and other fields showed excellent performance.This article uses MOF materials as a research object to explore its application in the field of catalysis.The main research contents of the paper are as follows:1.A multicomponent MOF(Zn-Co-ZIF)derivative with Co and Co O nanoparticles was obtained by treating the multicomponent MOF(Zn-Co-ZIF)by the high temperature method.After morphological,structural characterization and catalytic activity analysis,Zn1Co1-ZIF derivatives not only had good morphology,good stability and the largest number of nanoparticles,but also had higher selectivity to epoxy styrene(about 70%),styrene conversion up to 99%.2.A novel Cu SIP coordination compound was synthesized by the ultrasonication method.The experimental results showed that the Cu SIP coordination compound could not maintain the crystal order of Cu-SIP-3,but it could expose many sulfonic acid functional groups on the surface of the coordination compound.In the benzaldehyde condensation reaction,different catalysts had different performances,in which the ultrasonic time had the most functional groups at 7 minutes.
Keywords/Search Tags:Metal-Organic Framework, Metal-Organic Framework derivative materials, Styrene epoxidation, Benzaldehyde condensation reaction, Conversion, Selectivitity
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