Effect of firing temperature on the properties of sol-gel films of the CuO-TiO2 system
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The viscosity, surface tension, and refractive index of 2-day-old film-forming solutions of the CuO-TiO2 system of different composition were compared with the structure and properties of coatings on float glass made from them. Regardless of the composition and firing conditions, the film thickness remained constant. The refractive index and mirror reflection coefficient of the coatings are correlated by a directly proportional dependence. Increasing the firing temperature does not change or increases the values of the refractive index and mirror-reflection coefficient of the films. The chemical resistance of the coatings to water or hydrochloric acid solution is not a function of or improves with an increase in the firing temperature.
KeywordsRefractive Index Surface Tension Firing Temperature Hydrochloric Acid Solution Firing Condition
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