A warning film for outdoor street lamps

Abstract

The invention discloses a caution adhesive film for an outdoor street lamp. The caution adhesive film comprises a reflection layer, a PET (polyethylene terephthalate) layer and an adhesive layer sequentially from top to bottom. When a beam of incident light irradiates on the reflection layer, the reflection layer is capable of emitting reflection light with light intensity being 20%-30% of that of the incident light. The reflection layer is made of, by weight, polyacrylate, polyurethane resin, silicon phosphide, nickel-chromium alloy, Y2O3, V2O5, Nd2O3, B2O3, Tm4-x-yLuxFeyO6 and Pr4-mCemSi2O10. By taking advantages of light absorption and light emitting characteristics of various rare earth substances, light absorption and light emitting functions of the adhesive film can be effectively realized by combination of the rare earth substances, so that a 'reflection' caution effect can be achieved; in addition, in order to improve mechanical strength, corrosion resistance, high temperature resistance, weather resistance and ageing resistance of the adhesive film, various nanoscale inorganic metallic compounds and alloy materials are introduced to enable the adhesive film to withstand blazing sun and raining for a long time, service life of the adhesive film is pretty long, shedding and color variation are avoided, and the reflection caution function of the adhesive film can be guaranteed for a long time.

Description

technical field [0001] The invention relates to a polymer luminescent film, in particular to a warning film for outdoor street lamps which can reflect light and warn motor vehicle owners. Background technique [0002] Street lights are set on both sides of the road, which are very eye-catching during the day, but in the dark night, especially at the corners of country lanes or rugged mountain roads, they often become difficult to identify, thus burying safety hazards. Therefore, if a reflective film can be installed on the street lamp pole, the accident rate of this road section will be greatly reduced. This kind of reflective film can warn the driver that there are obstacles or sharp bends ahead, and they need to slow down and drive carefully. [0003] Although there are a variety of mature reflective films or luminescent films on the market, because street lamps are exposed to strong ultraviolet radiation for a long time, they often experience exposure to the sun, wind, o...

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Problems solved by technology

[0003] Although there are a variety of mature reflective films or luminescent films on the market, because street lamps are exposed to strong ultraviolet radiation for a long time, they often experience exposure to the sun, wind, or rain, and the environment they are in is relatively harsh, so the use of general reflective materials The lifespan is very short, and the specific performance is that the film becomes brittle, cracks, loses toughness and luster, and even loses the effect of reflection

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