Antibacterial anti-fog coating based on medical goggles and preparation method of antibacterial anti-fog coating
An anti-fog coating, goggles technology, applied in goggles, coatings, antifouling/underwater coatings, etc., can solve the problems of blurring on the surface, short service life, etc., to achieve the ability to optimize temperature changes, Avoid the effect of influence
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Embodiment 1
[0023] Step 1: Disperse 3 g of h-BN in a mixture of 90 ml of isopropanol and 60 ml of deionized water, sonicate for 5 h in a water bath at 50 ° C, then centrifuge the solution at high speed and filter the supernatant, and filter the obtained sample with After being washed alternately with water, ethanol and deionized water, they were placed in a drying oven at 80° C. for 10 h to obtain nanosheets. Then add the nanosheets into 120ml of absolute ethanol solution, add 5.1g of zinc acetate after ultrasonication for 5min, ultrasonicate for 50min at 70°C, then cool down to 15°C and drop an appropriate amount of KOH ethanol solution into the solution After stirring for 15 minutes, the solution was centrifuged and washed three times with absolute ethanol, and then placed in a vacuum oven at 60°C for 10 hours to obtain ZnO-QDs / h-BN nanosheets.
[0024] Step 2: Add 3.6g of ZnO-QDs / h-BN nanosheets prepared in Step 1 and 1.08g of sodium lauryl sulfate into 108ml of deionized water, mix we...
Embodiment 2
[0028] Step 1: Disperse 4g of h-BN in a mixture of 139.4ml of isopropanol and 60.6ml of deionized water, sonicate for 5 hours in a water bath at 55°C, then centrifuge the solution at high speed and filter the supernatant, and filter the obtained sample After alternately washing with absolute ethanol and deionized water, place them in a drying oven at 70° C. for 9 h to obtain nanosheets. Then add the nanosheets into 160ml of absolute ethanol solution, add 5.6g of zinc acetate after ultrasonication for 5min, ultrasonicate for 45min at 65°C, then cool down to 14°C and drop an appropriate amount of KOH ethanol solution into the solution After stirring for 20 min, the solution was centrifuged and washed three times with absolute ethanol, and then placed in a vacuum oven at 50°C for 11 h to obtain ZnO-QDs / h-BN nanosheets.
[0029] Step 2: Add 4.8g of ZnO-QDs / h-BN nanosheets prepared in Step 1 and 1g of sodium lauryl sulfate into 100ml of deionized water, mix well, then add 12g of mo...
Embodiment 3
[0033] Step 1: Disperse 3.38g of h-BN in a mixture of 108.5ml of isopropanol and 60.5ml of deionized water, sonicate in a water bath at 53°C for 6h, then centrifuge the solution at high speed and filter the supernatant, and filter the obtained The samples were washed alternately with absolute ethanol and deionized water and placed in a drying oven at 73°C for 8 hours to obtain nanosheets. Add the nanosheets to 135.2ml of absolute ethanol solution, add 5.41g of zinc acetate after ultrasonication for 6min, and ultrasonicate for 47min at 68°C, then cool down to 12°C and drop an appropriate amount of KOH ethanol solution into the solution to The solution became clear, and after stirring for 18 min, the solution was centrifuged and washed three times with absolute ethanol, and then placed in a vacuum oven at 54 °C for 12 h to obtain ZnO-QDs / h-BN nanosheets.
[0034] Step 2: Add 4.06g of ZnO-QDs / h-BN nanosheets and 0.95g of sodium lauryl sulfate prepared in step 1 into 95ml of deion...
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