Organic UV Invisiable Fluorescent Pigment for Security Printing on Identification

When the anti-counterfeit fluorescent pigment is illuminated by general visible light, it is colorless, and when it is illuminated by 365/254nm UV lamp, it presents red, yellow, green, blue and other luminous colors.

The structure of the compounds can be divided into organic fluorescent compounds and inorganic fluorescent compounds. Inorganic fluorescent compounds have high fluorescence stability, but their fluorescence intensity is greatly affected by the fineness of processing, and their application in many fields is limited.

The stability of organic fluorescent compounds is worse than that of inorganic fluorescent compounds, but its fluorescence intensity is not affected by the fineness of processing, and it has a good affinity with many carriers, easy processing and color development, and has been widely used in many fields.

The organic anti-counterfeiting phosphor can be dissolved by solvent first. It will have different solubility according to different solvent types. After dissolution, it can be transferred into the ink according to an appropriate proportion. The organic anti-counterfeiting phosphor can be applied to the processing of screen, lithography, gravure, relief, pad printing, coating, painting, etc.

The anti-counterfeiting phosphor can be emitted and pressed with various types of plastics, such as PP, PE, PVC, PU, PS, ABS, TPR, EVA, nylon, acrylic, etc. the temperature shall not exceed 240 ℃.

When anti-counterfeiting phosphor is used for plastic injection or extrusion, it is best to use color masterbatch, which will be more evenly dispersed. The color masterbatch needs to be fully dried before use. If anti-counterfeiting phosphor needs to be used directly, please mix and stir the anti-counterfeiting phosphor, additives and additives evenly, and then add them to the plastic material, so that the color material and anti-counterfeiting phosphor can be more evenly combined with the plastic.

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