Anti-fog optical resin lens and its preparation method

Abstract

The invention discloses an anti-fog optical resin lens and its preparation method. The lens comprises the following elements arranged in sequence: a resin lens substrate, a stiffened film layer, a penetration increasing and reflection reducing film layer, a connecting adhesive layer and an anti-fog film layer. The method further discloses a preparation method for the anti-fog optical resin lens, and the method comprises the following steps: conducting ultrasonic cleaning to the resin lens substrate; using an immersing and coating manner to plate for the stiffened film layer; under the vacuumed condition, plating on the stiffened layer the penetration increasing and reflection reducing film layer; and finally, coating the connecting adhesive layer onto the penetration increasing and reflection reducing film layer; and adhering the anti-fog film layer. The anti-fog film layer is prepared from a high-molecular hydrophilic film. According to the anti-fog optical resin lens of the invention, the optical transparent adhesive tape is used to have a penetration increasing and reflection reducing film layer and a high-molecular hydrophilic film adhered together, which means that without undermining the original functions of the resin lens, the penetration rate of the resin lens is increased while the reflection rate is reduced and that the lens has an anti-fog function.

Description

technical field [0001] The invention relates to an anti-fog optical resin lens. [0002] The invention also relates to a preparation method of the anti-fog optical resin lens. Background technique [0003] Compared with inorganic glass lenses, optical resin lenses have become more and more popular among consumers due to their own advantages, such as light weight, good toughness, and low price. But people who wear glasses will find that after staying in the air conditioner for a period of time in summer, a layer of fog will appear on the lenses when they go out, resulting in blurred vision, and they cannot see clearly without wiping the glasses. Similarly, when entering a room with a higher temperature from a colder environment outside in winter, fog droplets will also appear on the lens, which brings great troubles to people's life and production. The principle of fog droplet formation is that the saturated vapor pressure of water on the surface of the resin lens is lower ...

AI Technical Summary

Problems solved by technology

However, if an anti-fog coating is coated on these coatings, there will be problems

If the heat-cured anti-fog film is used, when the temperature exceeds 50°C, the anti-reflection and anti-reflection film will crack due to the different thermal expansion rates of various materials; if the light-cured anti-fog film is used, the resulting The adhesion of the anti-fog film layer is not very good and it is easy to fall off

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