A kind of imidazole porous polymer based on graphene oxide and its preparation method and application
A graphene oxide, porous polymer technology, applied in chemical instruments and methods, other chemical processes, through adsorption and other directions, can solve the problems of inability to use carbon dioxide separation, unfavorable recycling of adsorbents, affecting application prospects, etc., to achieve excellent Thermal stability, low cost, high yield effect
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Embodiment 1
[0071] Add 30 mL of polyphosphoric acid into a 100 mL round bottom flask, and stir at 130° C. for 1 hour using a mechanical stirrer. Then add 36mg graphene oxide (size is 100~300nm, specific surface area is 20~40m 2 g -1 ) and 43mg of 3,3',4,4'-tetraaminobiphenyl, and then reacted at 150° C. for 1 day under nitrogen protection.
[0072] After the reaction was completed and the temperature of the reaction system dropped to room temperature, 100 mL of distilled water was added to the reaction system. Stir to obtain a black suspension, suction filter to obtain a solid, and wash the filter cake with water, ethanol and acetone in sequence. Then put the solid in a blast oven and dry it at 80°C. Finally, 60 mg of black powder was obtained.
Embodiment 2
[0074] Add 50 mL of polyphosphoric acid into a 100 mL round bottom flask, and stir at 130° C. for 1 hour using a mechanical stirrer. Then add 36mg graphene oxide (size is 0.1~5μm, specific surface area is 20~40m 2 g -1 ) and 43mg of 3,3',4,4'-tetraaminobiphenyl, and then reacted at 150° C. for 1 day under nitrogen protection.
[0075] After the reaction was completed and the temperature of the reaction system dropped to room temperature, 100 mL of distilled water was added to the reaction system. Stir to obtain a black suspension, suction filter to obtain a solid, and wash the filter cake with water, ethanol and acetone in sequence. Then put the solid in a blast oven and dry it at 80°C. Finally, 60 mg of black powder was obtained.
Embodiment 3
[0077] Add 30 mL of polyphosphoric acid into a 100 mL round bottom flask, and stir at 130° C. for 1 hour using a mechanical stirrer. Then add 36mg graphene oxide (size is 100~300nm, specific surface area is 20~40m 2 g -1 ) and 43mg of 3,3',4,4'-tetraaminobiphenyl, and then reacted at 190° C. for 1 day under nitrogen protection.
[0078] After the reaction was completed and the temperature of the reaction system dropped to room temperature, 100 mL of distilled water was added to the reaction system. Stir to obtain a black suspension, suction filter to obtain a solid, and wash the filter cake with water, ethanol and acetone in sequence. Then put the solid in a blast oven and dry it at 80°C. Finally, 60 mg of black powder was obtained.
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