A preparation method of micro-motor catalyst based on metal-organic framework material
A metal-organic framework and micro-motor technology, applied in the direction of organic compound/hydride/coordination complex catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problem of narrow pH application range and hydrogen peroxide utilization rate Low cost, difficulty in handling iron ions, etc., to achieve the effects of environmental friendliness, easy molding, and low cost
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Embodiment 1
[0019] (1) Preparation of self-driven Ag-polymer@ZIF(Zn, Fe) micromotor
[0020] Disperse 0.03 g polystyrene microspheres in 4 mL methanol, add 0.5008 g Zn(NO 3 ) 2 ·6H 2 O and 0.0936 g FeSO 4 ·7H 2 O, mix evenly, then add 4 mL of methanol solution containing 2.02 mmol dimethylimidazole to the above mixture, react at 70 °C for 10 min, centrifuge, wash with methanol, and dry in vacuum at 60 °C to obtain polymer@ ZIF(Zn, Fe) microspheres.
[0021] The polymer@ZIF(Zn, Fe) microspheres were first transferred to the thermal release tape, and then 6% ammonia water was added dropwise to 20 mL of AgNO with a molar concentration of 100 mmol / L. 3 solution, until the precipitate just disappeared, that is, the silver ammonia solution was prepared, and the thermal release tape adhered to the polymer@ZIF(Zn, Fe) microspheres was immersed in the silver ammonia solution, and then 0.4 mL of silver ammonia solution was added dropwise Formaldehyde solution with a concentration of 2.0% by m...
Embodiment 2
[0026] (1) Preparation of self-driven Ag-polymer@ZIF(Zn, Fe) micromotor
[0027] Disperse 0.03 g of polyacrylamide microspheres in 4 mL of methanol, add 1.002 g of Zn(NO 3 ) 2 ·6H 2 O and 0.0936 g FeSO 4 ·7H 2 O, mix well, then add 4 mL of methanol solution containing 3.72 mmol dimethylimidazole to the above mixture, react at 70 °C for 10 min, centrifuge, wash with methanol, and dry in vacuum at 60 °C to obtain polymer@ ZIF(Zn, Fe) microspheres.
[0028] The polymer@ZIF(Zn, Fe) microspheres were first transferred to the thermal release tape, and then 6% ammonia water was added dropwise to 20 mL of AgNO with a molar concentration of 100 mmol / L. 3solution, until the precipitate just disappeared, that is, the silver ammonia solution was prepared, and the thermal release tape adhered to the polymer@ZIF(Zn, Fe) microspheres was immersed in the silver ammonia solution, and then 0.4 mL of silver ammonia solution was added dropwise Formaldehyde solution with a concentration of 2...
Embodiment 3
[0033] (1) Preparation of self-driven Ag-polymer@ZIF(Zn, Fe) micromotor
[0034] Disperse 0.03 g of polyvinyl alcohol microspheres in 4 mL of methanol, add 0.2504 g of Zn(NO 3 ) 2 ·6H 2 O and 0.2340 g FeSO 4 ·7H 2 O, mix evenly, then add 4 mL of methanol solution containing 1.69 mmol dimethylimidazole to the above mixture, react at 70 °C for 10 min, centrifuge, wash with methanol, and dry in vacuum at 60 °C to obtain polymer@ ZIF(Zn, Fe) microspheres.
[0035] The polymer@ZIF(Zn, Fe) microspheres were first transferred to the thermal release tape, and then 6% ammonia water was added dropwise to 20 mL of AgNO with a molar concentration of 100 mmol / L. 3 solution, until the precipitate just disappeared, that is, the silver ammonia solution was prepared, and the thermal release tape adhered to the polymer@ZIF(Zn, Fe) microspheres was immersed in the silver ammonia solution, and then 0.4 mL of silver ammonia solution was added dropwise Formaldehyde solution with a concentrati...
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