Preparation method for integral material of hierarchical porous structure
A monolithic material and multi-level pore technology, which is applied in the field of preparation of multi-level pore monolithic materials, can solve the problems of non-remodeling of materials and restrictions on the practical application of materials, and achieve the effect of promoting application and facilitating the size of multi-level pores
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Embodiment 1
[0023] 1. Add 50.0 mg of POSS-epoxy reagent to the centrifuge tube.
[0024] 2. Add 54.0 mg of PEI aqueous solution to the above centrifuge tube.
[0025] 3. Add 25 mg PEG, 280 μL n-propanol and 40 μL 1,4-butanediol to the above centrifuge tube.
[0026] 4. Add 20 mg of azine-linked COF to the above centrifuge tube, shake the above centrifuge tube for 5 minutes to mix all the components in it evenly.
[0027] 5. React the centrifuge tube in step 4 in a 50°C water bath for 10 hours, and the mixture in the centrifuge tube will form a yellow solid.
[0028] 6. Repeatedly immersing and washing the material in the centrifuge tube with methanol to obtain the azine-linked COF doped hierarchical porous monolithic material.
Embodiment 2
[0030] 1. Add 50.0 mg of POSS-epoxy reagent to the centrifuge tube.
[0031] 2. Add 54.0 mg of PEI aqueous solution to the above centrifuge tube.
[0032] 3. Add 25 mg PEG, 280 μL n-propanol and 40 μL 1,4-butanediol to the above centrifuge tube.
[0033] 4. Add 40 mg of azine-linked COF pre-saturated with toluene to the above centrifuge tube, shake the above centrifuge tube for 5 minutes to mix the components in it evenly.
[0034] 5. React the centrifuge tube in step 4 in a 50°C water bath for 10 hours, and the mixture in the centrifuge tube will form a yellow solid.
[0035] 6. Repeatedly immersing and washing the material in the centrifuge tube with methanol to obtain the azine-linked COF doped hierarchical porous monolithic material.
[0036] figure 2 It is the adsorption kinetic curve of the azine-linked COF doped hierarchical porous monolith (Example 1) to bisphenol A in aqueous solution. Experimental conditions: bisphenol A aqueous solution (22.8mg / L); UV-vis detec...
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