Preparation device and method of a super-amphiphobic self-cleaning oil-water separation material
An oil-water separation and self-cleaning technology, which is applied in separation methods, liquid separation, chemical instruments and methods, etc., can solve problems such as loss of separation ability, pollutant pollution, and limitation of application of oil-water separation membranes, and achieve recovery of oil-water separation ability, continuous The effect of oil-water separation
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Embodiment 1
[0031] Step 1, be that pore density is 100PPI, the foam copper that size is 4.5cm * 3cm * 0.15cm is placed in 100ml copper chloride solution (13.4g copper chloride is added to the hydrochloric acid (30%) of 12.5ml and deionized water prepared in a mixed solution) for etching, and after 7 minutes, take it out. The material after taking out was ultrasonicated in 1mol / L hydrochloric acid for 10 minutes to remove residual copper chloride, then placed in deionized water and absolute ethanol for cleaning, and dried at room temperature.
[0032] Step 2: Add 1.72ml of titanium trichloride solution (15%) to 70ml of supersaturated sodium chloride solution to obtain a 0.3mol / L titanium trichloride solution, and stir for 20 minutes. Add 0.14 g of urea to the mixture, and stir for 20 minutes. Take 35ml of the mixed solution and transfer it into a 50ml polytetrafluoroethylene reaction kettle and put it in an oven at 170°C for 4 hours, then cool it naturally at room temperature. Finally, t...
Embodiment 2
[0043] Step 1, the pore density is 130PPI, the foamed copper that size is 4.5cm * 3cm * 0.3cm is placed in 100ml cupric chloride solution (6.7g cupric chloride is added to the hydrochloric acid (30%) of 6.25ml and deionized water prepared in a mixed solution) for etching, and after 7 minutes, take it out. Ultrasonicate the taken-out material in 1 mol / L hydrochloric acid for 10 minutes to remove residual copper chloride, then put it into deionized water and absolute ethanol for cleaning, and dry at room temperature.
[0044] Step 2: Add 0.86ml of titanium trichloride solution (15%) to 70ml of supersaturated sodium chloride solution to obtain 0.15mol / L titanium trichloride solution, and stir for 20 minutes. Finally, add 0g of urea into the mixture, stir for 30 minutes, take 35ml of the mixture and transfer it into a 50ml polytetrafluoroethylene reaction kettle and put it in an oven at 180°C for 6 hours, take it out and cool it naturally at room temperature. Finally, the materia...
Embodiment 3
[0049] Step 1, be that pore density is 150PPI, the foam copper that size is 4.5cm * 3cm * 0.1cm is placed in 100ml copper chloride solution (13.4g copper chloride is added to the hydrochloric acid (30%) of 12.5ml and deionized water prepared in a mixed solution) for etching, and after 7 minutes, take it out. Ultrasonicate the removed material in 1 mol / L hydrochloric acid for 10 minutes to remove residual copper chloride, then put it into deionized water and absolute ethanol for cleaning, and dry at room temperature.
[0050] Step 2: Add 2.87ml of titanium trichloride solution (15%) to 70ml of supersaturated sodium chloride solution to obtain a 0.5mol / L titanium trichloride solution, and stir for 25 minutes. Finally, add 0.2g of urea into the mixture, stir for 30 minutes, take 35ml of the mixture and transfer it into a 50ml polytetrafluoroethylene reactor and put it in an oven at 190°C for 5 hours, then take it out to cool at room temperature. Finally, the material was taken o...
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