Various new anti-counterfeiting technologies are emerging one after another. The key of anti-counterfeiting technology is to extend the timeliness and uniqueness of anti-counterfeiting technology, which is also the main purpose of anti-counterfeiting technology. The current anti-counterfeiting technology mainly includes: anti-counterfeiting of printing design, anti-counterfeiting of printing paper, anti-counterfeiting of printing ink and anti-counterfeiting of printing process. Among them, the development of printing ink anti-counterfeiting technology is very good, and the application range is becoming more and more extensive. The so-called anti-counterfeiting ink is a special printing ink made by adding special properties of anti-counterfeiting materials to the ink binder and processed by a special process. Anti-counterfeiting inks are mainly divided into the following types according to their anti-counterfeiting functions: ①Magnetic security ink ②Fluorescent ink and phosphorescent ink ③Reactive color-changing ink ④Anti-tamper ink ⑤Daylight excited color-changing ink ⑥Intelligent security ink ⑦Infrared ink ⑧ Nano ink Among them, reactive color-changing ink is an important part of anti-counterfeiting ink, and can be divided into: thermosensitive color-changing ink, photosensitive color-changing ink, humidity-sensitive color-changing ink, pressure-sensitive color-changing ink, etc. Reaction color ink is to add a variety of chemical substances added to the ink, under certain conditions (such as light, heat, humidity, pressure, etc.), various chemical reactions can occur, so that the ink changes color and achieves anti-counterfeiting purposes. Water decolorizing inks are also called humidity sensitive inks. The principle of anti-counterfeiting is that the colorant contains substances that change color with the change of humidity. Water or bleaching agents can decolorize, generally water-soluble substances containing oxidants or reducing agents. The anti-counterfeiting feature is that the dry state is colorless, and the wet state becomes colored. Water decolorizing ink is divided into three types: reversible decolorization, irreversible decolorization, and humidity sensitive diffusion. It has four colors: blue, green, black, and red. ◠Reversible decolorizing ink: the color changes from colored to colorless after dripping, and returns to the original color after volatilization. The color changes from white to none, only silk screen and gravure. If screen printing is recommended to use 200 mesh screen printing, the thicker the better. ◠Irreversible decolorizing ink: oily ink, which changes from colored to colorless after dripping. After the water droplets volatilize, the color no longer returns to its original color. The color is black → none, red → none, blue → none, green → none. Only screen printing and gravure printing are required. The printing should be thinner, with bright colors and good fading effect. For screen printing, 350-420 mesh screen printing is recommended. ◠Moisture-sensitive diffusion is irreversible, the colors are red, yellow, blue, green, etc., and can only be printed with water-based screen. For example, alcohol, gasoline, benzene, etc. The principles of organic solvent discoloration and water discoloration are basically the same, according to the mutual reaction of corresponding chemical substances to make them discolor. The combination of water decolorization ink and organic solvent decolorization ink can be called composite decolorization ink. The composite decolorizing ink can react with water-based solvents, bleaching and organic solvents to achieve the purpose of decoloring. Compound achromatic ink is the trend of anti-counterfeiting ink development. Compound anti-counterfeiting ink can not only extend the service life of anti-counterfeiting ink, but also improve the anti-counterfeiting effect. Binary anti-counterfeiting ink refers to achromatic ink containing fluorescent components, which can easily distinguish whether a solvent has been used under ultraviolet irradiation. Some faded inks contain visible faded components and have permanent fluorescent components. It does not seem to exist under visible light irradiation, but it can be observed by the human eye after being irradiated with ultraviolet rays. We Chex is specially designed for modern office. Simple lines, light and tidy design complement the modern office environment. Open the new way of healthy office, which can adapt to different height, different height requirements, always find your height. Combined configuration, flexible space, maybe you are a team, maybe you are a person, you can find a reasonable combination, you can customize the file cabinet under the desk, more convenient for your space planning. Single Motor Standing Desk,Single Motor Electric Height Adjustable Desk,Ergonomic Sit Stand Laptop Desk,Pc Table Gaming Adjustable Desk Suzhou CHEX Intelligent Technology Co., Ltd. , https://www.chexdesk.com
1. Anti-counterfeiting principle of achromatic ink
2. Classification of decolorizing ink â‘ Water decolorizing ink
â‘¡ Organic solvent decolorizing ink
â‘¢Composite achromatic ink
â‘£Binary anti-counterfeiting ink
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