Method for preparing silicon-titanium micro-coarse structured hydrophilic film
A rough-structured, hydrophilic technology, used in devices that apply liquid to surfaces, special surfaces, coatings, etc., to solve problems such as loss of hydrophilicity, and achieve the effect of improving stability and good wear resistance
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[0021] The present invention is further described by examples below.
[0022] The present invention prepares the silicon-titanium micro-rough structure hydrophilic film in the embodiment that the operating steps are as follows:
[0023] (1) Add at least one of titanium tetrachloride, titanium sulfate or butyl titanate into the alcohol solvent of 1 to 5 times (m / m) under stirring conditions, and adjust the pH value to 2 to 5 with acid to obtain Primary titanium sol;
[0024] (2) Under stirring conditions, drop deionized water [the amount is 0.1 to 1 times (m / m) of the organosilane] and a small amount of acid [the amount is about 0.001 times (m / m) of the organosilane] into the organosilane The mixed solution, and then add acid dropwise to adjust the pH value to 2-5 to obtain an organosilicon sol with a molecular weight of 1000-5000;
[0025] (3) mixing the aforementioned primary titanium sol and organosilicon sol with the same pH value in a ratio (m / m) of 1: 0.1 to 2 to obtain...
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