A metal-organic framework material, a preparing method thereof and uses of the material
A metal-organic framework, double-bud ligand technology, applied in separation methods, chemical instruments and methods, other chemical processes, etc., can solve problems such as environmentally unfriendly transition metals, and achieve improved heat resistance and moisture resistance. Ability, good resistance to water vapor, environmentally friendly effect
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[0045] Example one
[0046] First, 0.25 millimoles (mmo1) of Al(NO 3 ) 3 ·9H 2 O, 0.25 mmol of 4,4'-diphenyl ether dicarboxylic acid (H 2 OBA) and 6.0 milliliters (mL) of N,N-dimethylformamide (DMF) are added to a Teflon inner cup. Next, place the Teflon inner cup in an iron cup, and put the iron cup in a high-temperature furnace. In a high-temperature furnace, the temperature is increased to 120°C at a heating rate of 60°C / hr. Then, the reaction was carried out at a reaction temperature of 120°C for 2 days. After the reaction is completed, it is cooled back to room temperature at a cooling rate of 6°C / hr. Finally, suction filtration is performed, and the product is washed with ethanol and water. After drying, the white powder of product compound 1 can be obtained.
[0047] The crystal system of compound 1 is tetragonal, and the space group is I4 1 / a. See Figure 2A to Figure 2D , Figure 2A It is a schematic diagram of the coordination environment of 4,4'-diphenyl ether dica...
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[0052] Example two
[0053] First, add 0.5 millimoles (mmol) of Al(NO 3 ) 3 ·9H 2 O, 0.5 mmol of 4,4'-stilbene dicarboxylic acid (H 2 SDA) and 10.0 milliliters (mL) of N,N-diethylformamide (DEF) were added to a Teflon inner cup. Next, place the Teflon inner cup in an iron cup, and put the iron cup in a high-temperature furnace. In a high-temperature furnace, the temperature is increased to 180°C at a heating rate of 60°C / hr. Then, it was reacted for 1 day at a reaction temperature of 180°C. After the reaction is completed, it is cooled back to room temperature at a cooling rate of 6°C / hr. Finally, suction filtration is performed, and the product is washed with ethanol and water. After drying, the milky white powder of product compound 2 can be obtained.
[0054] The crystal system of Compound 2 is orthorhombic, and the space group is Imma. See Figure 6A to Figure 6D , Figure 6A It is a schematic diagram of the coordination environment of 4,4'-stilbene dicarboxylic acid of t...
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