Ni<2+>-doped titanium oxide sol for preparation of self-cleaning film and preparation method thereof
A technology of titanium dioxide and nickel ions, which is applied in the direction of coating, etc., can solve the problems of rare technology, reduce the adhesion of inorganic particles to the surface, and the general self-cleaning performance of the material surface, so as to reduce the adhesion, facilitate large-scale industrial production, and formula And the effect of simple and feasible process
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Example Embodiment
[0022] Example 1
[0023] In this embodiment, a nickel ion (Ni 2+ 1) Doped titanium dioxide sol, which includes solution A and solution B mixed together;
[0024] The solution A includes butyl titanate Ti(OC) with a molar ratio of 1.000:6.667:0.200 4 H 9 ) 4 , Anhydrous ethanol CH 3 CH 2 OH, glacial acetic acid CH 3 COOH;
[0025] The solution B includes absolute ethanol CH with a molar ratio of 3.333∶0.500∶1.000∶0.020 3 CH 2 OH, acetylacetone CH 3 COCH 2 COCH 3 , Distilled water H 2 O, nickel nitrate Ni (NO 3 ) 2 ;
[0026] After the solution A and the solution B are mixed, the molar ratio of butyl titanate to nickel nitrate is 1:0.020;
[0027] The static contact angle of the film produced by this sol is 0°, the hydrophilic performance of the film is the best, and the film exhibits super-hydrophilic performance.
Example Embodiment
[0028] Example 2
[0029] The difference between this embodiment and Embodiment 1 is:
[0030] The solution B includes absolute ethanol CH with a molar ratio of 3.333: 0.500: 1.000: 0.030 3 CH 2 OH, acetylacetone CH 3 COCH 2 COCH 3 , Distilled water H 2 O, nickel nitrate Ni (NO 3 ) 2 ;
[0031] After the solution A and the solution B are mixed, the molar ratio of butyl titanate to nickel nitrate is 1:0.030;
[0032] The static contact angle of the film produced by the sol is 8.0°, and the hydrophilic performance of the film is obviously improved, showing super-hydrophilic performance.
Example Embodiment
[0033] Example 3
[0034] The difference between this embodiment and Embodiment 1 is:
[0035] The solution B includes absolute ethanol CH with a molar ratio of 3.333: 0.500: 1.000: 0.025 3 CH 2 OH, acetylacetone CH 3 COCH 2 COCH 3 , Distilled water H 2 O, nickel nitrate Ni (NO 3 ) 2 ;
[0036] After the solution A and the solution B are mixed, the molar ratio of butyl titanate to nickel nitrate is 1:0.025;
[0037] The static contact angle of the film produced by the sol is 6.0°, and the hydrophilic performance of the film is obviously improved, showing super-hydrophilic performance.
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