Coating method of titanium dioxide, coated titanium dioxide and coating
A titanium dioxide coating technology, applied in the coating method of titanium dioxide, titanium dioxide with coating, titanium dioxide coating field, can solve the problems that the coating process of titanium dioxide needs to be improved, etc.
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Embodiment 1
[0043] According to the titanium dioxide coating method of the present invention, refer to figure 1 , follow the steps below for titanium dioxide coating:
[0044] First, dry the titanium dioxide at 80°C for 300 minutes to obtain dried titanium dioxide;
[0045] Next, take 5Kg of dried titanium dioxide, and use a jet mill to disperse it for 10 minutes at 90°C and an air pressure of 1.0MPa, so as to obtain fully dispersed titanium dioxide;
[0046] Next, add 0.1 mol of aluminum isopropoxide into 100 ml of ethanol solution, and dissolve in an autoclave at 60°C for 24 hours, then slowly drop 0.2 mol of water in order to prepare 100 ml of aluminum sol;
[0047] Then, 100ml of the above-obtained aluminum sol was added to 5Kg of fully dispersed titanium dioxide by spraying, so as to obtain coated titanium dioxide.
[0048] Take a small amount of the coated titanium dioxide obtained above, and carry out XPS (i.e. X-ray photoelectric spectroscopy) detection respectively, in order to...
Embodiment 2
[0053] According to the titanium dioxide coating method of the present invention, refer to figure 1 , follow the steps below for titanium dioxide coating:
[0054] First, dry the titanium dioxide at 150°C for 200 minutes to obtain dried titanium dioxide;
[0055] Next, take 5Kg of the dried titanium dioxide, and use a jet mill to disperse it for 10 minutes at room temperature and an air pressure of 1.2 MPa, so as to obtain fully dispersed titanium dioxide;
[0056] Next, add 0.1 mol of aluminum stearate to 100 ml of benzene, dissolve in an autoclave at room temperature for 48 hours, and then slowly drop in 0.1 mol of water to prepare 100 ml of aluminum sol;
[0057] Then, 100ml of the above-obtained aluminum sol was added to 5Kg of fully dispersed titanium dioxide by spraying, so as to obtain coated titanium dioxide.
[0058] Take a small amount of the coated titanium dioxide obtained above and put it in the hydrophobicity test, specifically: take a small amount of the coate...
Embodiment 3
[0062] According to the titanium dioxide coating method of the present invention, refer to figure 1 , follow the steps below for titanium dioxide coating:
[0063] First, dry the titanium dioxide at 130°C for 200 minutes to obtain dried titanium dioxide;
[0064] Next, take 5Kg of dried titanium dioxide, and use a jet mill to disperse it for 15 minutes at 80°C and an air pressure of 0.8MPa, so as to obtain fully dispersed titanium dioxide;
[0065] Next, add 1 mol of aluminum acetylacetonate aluminum sec-butoxide to 100 ml of n-butanol solution, and dissolve in an autoclave at 50°C for 12 hours, and then slowly drop 2 mol of water in order to prepare 100 ml of aluminum sol;
[0066] Then, 100ml of the above-obtained aluminum sol was added to 5Kg of fully dispersed titanium dioxide by spraying, so as to obtain coated titanium dioxide.
[0067] Take a small amount of the coated titanium dioxide obtained above and put it in the hydrophobicity test, specifically: take a small am...
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