Anti-fog coating composition, prepared optical film and display device with optical film
An anti-fog coating and composition technology, applied in optics, optical components, coatings, etc., can solve the problems of lower light transmittance of substrates, occurrence of danger, and impact on sight, and achieve excellent water resistance and scratch resistance, and prolong Timeliness and the effect of increasing the contact angle
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[0022] In order to prevent the surface of the substrate from fogging, there are generally two methods. The first method is to eliminate water vapor or temperature difference. Although it is difficult to eliminate water vapor in the air, the surface temperature of the substrate is always higher than the dew point of the water vapor by means of heating, such as power heating or infrared radiation. However, these The heating method is expensive and energy-intensive. The second method is to change the wettability of the substrate surface, such as making the substrate surface hydrophilic or hydrophobic. When the surface of the substrate is hydrophilic, the contact angle of the surface of the substrate to water can be reduced, so that the small water droplets condensed on the surface will not form tiny water droplets, but spread on the surface to form a film, reducing the diffusion of light, This ensures the transparency of the material. In addition, if a layer of hydrophobic subs...
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