Preparation method of aqueous transparent heat-insulating glass coating
An insulating glass and transparent technology, applied in antifouling/underwater coatings, polyether coatings, coatings, etc., can solve the problems of poor water resistance and aging resistance, poor heat insulation effect, and high cost, and achieve Improve water resistance, strong light oxidation and reduction ability, and comprehensive performance
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[0020] Mix tetrabutyl titanate and absolute ethanol at a molar ratio of 9:2 and add them to the reaction kettle, stir at a speed of 200-300r / min to obtain titanium alkoxide sol, then mix titanium alkoxide sol and water Mix at a molar ratio of 25:3, adjust the pH of the solution to 3 to 5 with hydrochloric acid with a concentration of 0.5mol / L, and react for 30 to 60 minutes to obtain a titanium dioxide sol; after mixing the above titanium dioxide sol and phenol at a molar ratio of 4:1 Obtain the mixture, and then mix the mixture and n-heptane in an equal mass ratio to obtain a pre-reaction solution. While stirring, continue to drop into the reaction kettle a formaldehyde solution with a concentration of 10% of the pre-reaction solution mass and a concentration of 1mol / L. Stand still at 90°C for 1.5 to 2.0 hours to obtain the pre-product, then put the pre-product into a muffle furnace, and roast at a temperature of 500-600°C for 2-3 hours to obtain porous spherical nanocrystals ...
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