Bisphenol-A and nonylphenol double-template molecularly imprinted polymeric microspheres
A technology of molecular imprinting and nonylphenol, applied in chemical instruments and methods, and other chemical processes, can solve the problems of lack of application prospects and low extraction recovery rate, and achieve high extraction recovery rate, high adsorption capacity, and simple preparation method Effect
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Embodiment 1
[0027] Example 1: Preparation of bisphenol A and nonylphenol dual-template molecularly imprinted polymer microspheres according to the present invention
[0028] The schematic diagram of the preparation of bisphenol A and nonylphenol dual-template molecularly imprinted polymer microspheres described in this example is as follows figure 1 Shown, preparation method comprises the following steps:
[0029] A) Dissolve 1.0 mmol nonylphenol, 1.0 mmol bisphenol A in chloroform, 4.0 mmol MAA, sonicate for 30 minutes, self-assemble at 0-4°C for 8-12 hours;
[0030] B) Add 0.8 mmol n-tetradecane, 0.2 mmol mixed surfactant, 50 mL ultrapure water, 20.0 mmol ethylene glycol dimethacrylate (EDMA) and 0.0500 g azobisisobutyronitrile (AIBN);
[0031] C) Sonicate for 10 minutes, blow nitrogen gas to remove air bubbles for 5 minutes, and then sonicate for 10 minutes to ensure that the emulsion is formed, then mechanically stir in a water bath at 80°C, and react for 14 hours to obtain a polyme...
Embodiment 2
[0034] Example 2: Preparation of bisphenol A and nonylphenol dual-template molecularly imprinted polymer microspheres according to the present invention
[0035] The schematic diagram of the preparation of bisphenol A and nonylphenol dual-template molecularly imprinted polymer microspheres described in this example is as follows figure 1 Shown, preparation method comprises the following steps:
[0036] A) Dissolve 0.2 mmol nonylphenol, 0.2 mmol bisphenol A in chloroform, 0.8 mmol methacrylic acid (MAA), sonicate for 30 minutes, self-assemble at 0-4°C for 8-12 hours;
[0037] B) Add 0.1 mmol paraffin, 0.1 mmol mixed surfactant, 20 mL ultrapure water, 10.0 mmol polyethylene glycol diacrylate and 0.0100 g persulfate-tetramethylethylenediamine to mix;
[0038] C) Sonicate for 12 minutes, blow nitrogen to remove air bubbles for 8 minutes, and then sonicate for 12 minutes to ensure that the emulsion is formed, then mechanically stir in a water bath at 50°C, and react for 5 hours t...
Embodiment 3
[0041] Example 3: Preparation of bisphenol A and nonylphenol dual-template molecularly imprinted polymer microspheres according to the present invention
[0042] The schematic diagram of the preparation of bisphenol A and nonylphenol dual-template molecularly imprinted polymer microspheres described in this example is as follows figure 1 Shown, preparation method comprises the following steps:
[0043] A) Dissolve 2.0 mmol nonylphenol and 2.0 mmol bisphenol A in chloroform, 8.0 mmol methacrylic acid (MAA), sonicate for 30 minutes, and self-assemble at 0-4°C for 8-12 hours;
[0044] B) Add 1.0 mmol n-hexadecane (or n-octadecane), 1.0 mmol mixed surfactant, 80 mL ultrapure water, 50.0 mmol TRIM (or 40.0 mmol PETAR or PETER) and 0. 1000 g potassium persulfate ( or ammonium persulfate) mixed;
[0045] C) Sonicate for 15 minutes, pass nitrogen gas to remove bubbles for 15 minutes, and then sonicate for 15 minutes to ensure that the emulsion is formed, then mechanically stir in a...
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