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What are the three types of functional PET optical film coatings?
Time：
2022-09-26
According to the function of coating, coating can be divided into three categories, namely protective coating, decorative coating and functional coating. Coating the PET polyester film with different coatings can produce films with different functions. For example, coating the surface of PET polyester film with anti-scratch and anti-static (106~108Ω) coating is made into screen PET protective film, which is used to protect the surface of mobile phone or computer screen. Coating with optical particles or glass beads is applied to PET polyester film. The optical diffusion film can be made and used in the backlight module of LCD panel, which can effectively eliminate the phenomenon of light and shade interleaving or dot, improve the brightness of light, and provide uniform surface light source for LCD panel. The resin system with particle composition is coated on the surface of PET polyester film, which can be made into anti-glare film and used in LCD screen. It has the function of using the scattering of reflected light and the internal scattering caused by the refractive index difference between hard coated resin and particles to prevent the trailing of the picture and so on.
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