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, then add them to the reactor, stir at a speed of 200-300r / min to obtain a titanium alkoxide sol, and then combine the titanium alkoxide sol with water Mix at a molar ratio of 25:3, adjust the pH of the solution to 3~5 with 0.5mol / L hydrochloric acid, and react for 30~60min to obtain a titanium dioxide sol; mix the above-mentioned titanium dioxide sol and phenol at a molar ratio of 4:1 Obtain the mixture, and then mix the mixture and n-heptane in equal mass ratio to obtain the pre-reaction liquid. While stirring, continue to drop 10% of the mass of the pre-reaction liquid into the reaction kettle with a concentration of 1 mol / L formaldehyde solution at 80~ Let stand at 90℃ for 1.5~2.0h to obtain the pre-product, then put the pre-product into the muffle furnace, and calcinate at 500~600℃ for 2~3h to obtain porous spherical nanocrystals of titanium dioxide; calculated in parts by weight Add 80-100 parts o...
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