Nacre structure graphene oxide flexible film and its preparation method and application in recovery of rhenium
A flexible technology of nacre and ene, applied in chemical instruments and methods, separation methods, alkali metal oxides/hydroxides, etc., can solve problems such as lengthy process flow, large environmental pollution, and application restrictions, and achieve fast and efficient reactions , high reactivity and less harsh reaction conditions
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Embodiment 1
[0028] Embodiment 1 nacre structure graphene oxide flexible film (GO-1Gemini IL)
[0029] (1) The preparation method is as follows
[0030] 1) Ultrasonic disperse 50mg graphene oxide in 20mL N,N-dimethylformamide, add 100mg tetrakis(3-mercaptopropionate)pentaerythritol ester and 10mg azobisisobutyronitrile successively, and condense at 70°C under nitrogen protection Reflux reaction for 16h. After the reaction solution was centrifuged, the solid product was dispersed in 10 mL of anhydrous methanol again to obtain a dispersion.
[0031] 2) Add 5mL N,N-dimethylformamide, 200mg pentaerythritol tetrakis(3-mercaptopropionate), 20mg benzoin dimethyl ether and 350mg 1,6-bis(3) to the dispersion obtained in step 1). - Vinylimidazolium chloride) hexane (D[VImC6]Cl), after ultrasonic dispersion for 1 hour, quickly pour it into a 9cm petri dish, and irradiate it with ultraviolet light for 3 hours. After cooling, a layer of film is formed on the petri dish, and the film is washed with w...
Embodiment 2
[0034] Embodiment 2 nacre structure graphene oxide flexible film (GO-0.5Gemini IL)
[0035] 1) Ultrasonic disperse 50mg graphene oxide in 20mL N,N-dimethylformamide, add 100mg tetrakis(3-mercaptopropionate)pentaerythritol ester and 10mg azobisisobutyronitrile successively, and condense at 70°C under nitrogen protection Reflux reaction for 16h. After the reaction solution was centrifuged, the solid product was dispersed in 10 mL of anhydrous methanol again to obtain a dispersion.
[0036] 2) Add 5mL of N,N-dimethylformamide, 200mg of pentaerythritol tetrakis(3-mercaptopropionate), 20mg of benzoin dimethyl ether and 175mg of 1,6-bis(3) to the dispersion obtained in step 1). - Vinylimidazolium chloride) hexane (D[VImC6]Cl), after ultrasonic dispersion for 1 hour, quickly pour it into a 9cm petri dish, and irradiate it with ultraviolet light for 3 hours. After cooling, a layer of film is formed on the petri dish, and the film is washed with water, and then the obtained film is s...
Embodiment 3
[0037] Embodiment 3 nacre structure graphene oxide flexible film (GO-2Gemini IL)
[0038] 1) Ultrasonic disperse 50mg graphene oxide in 20mL N,N-dimethylformamide, add 100mg tetrakis(3-mercaptopropionate)pentaerythritol ester and 10mg azobisisobutyronitrile successively, and condense at 70°C under nitrogen protection Reflux reaction for 16h. After the reaction solution was centrifuged, the solid product was dispersed in 10 mL of anhydrous methanol again to obtain a dispersion.
[0039] 2) Add 5mL N,N-dimethylformamide, 200mg pentaerythritol tetrakis(3-mercaptopropionate), 20mg benzoin dimethyl ether and 700mg 1,6-bis(3) to the dispersion liquid obtained in step 1). - Vinylimidazolium chloride) hexane (D[VImC6]Cl), after ultrasonic dispersion for 1 hour, quickly pour it into a 9cm petri dish, and irradiate it with ultraviolet light for 3 hours. After cooling, a layer of film is formed on the petri dish, and the film is washed with water, and then the obtained film is soaked i...
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