Nov.2024 08
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Anti-counterfeit ink

Introduction
Anti counterfeiting printing ink is an important part of anti-counterfeiting technology, widely used in many fields of anti-counterfeiting printing, with low cost, bright colors, and easy implementation
Details
  Ink is the main material for printing. When it comes to printing, ink is always mentioned. Ink used in general printing is a very common material. However, in recent years, with the development and growth of anti-counterfeiting printing, special inks used in special printing have gradually become known and familiar to the world.

Types of anti-counterfeiting printing ink
  Anti counterfeiting printing ink is an important part of anti-counterfeiting technology. Anti counterfeiting ink refers to ink with anti-counterfeiting function, which is composed of colorants, binders, and ink additives. It is a special printing ink made by adding special anti-counterfeiting materials to the ink binders and processing them through special processes. The reason why it can prevent counterfeiting is that it uses pigments and binders with special functions in ink to prevent counterfeiting. Nowadays, in many fields of anti-counterfeiting printing, the use of anti-counterfeiting printing ink is very extensive, such as in anti-counterfeiting printing of various tickets, documents, trademarks, and logos. This is mainly due to the anti-counterfeiting printing ink having:
1. Easy implementation of anti-counterfeiting technology
2. Low cost
3. Good concealment
4. Vibrant colors
At present, there are dozens of inks used for anti-counterfeiting printing developed both domestically and internationally. According to the printing form, they can be divided into relief printing ink, gravure printing ink, orifice printing ink, offset printing ink, and water-based flexographic printing ink. According to different substrates, they can also be divided into paper ink, iron printing ink, news ink, plastic ink, etc.


  In addition, anti-counterfeiting inks can be mainly divided into several categories based on their anti-counterfeiting functions.

1.The first type is UV excited fluorescent ink;
2.The second type is sunlight induced color changing ink;
3.The third type is thermal anti-counterfeiting ink (thermochromic ink);
4.The fourth type is chemical reaction color changing ink;
5.The fifth category includes other special inks, such as OVI light variable anti-counterfeiting ink.

  The specific implementation is mainly achieved through ink printing on tickets, product trademarks, and packaging. The characteristic of these anti-counterfeiting technologies is to observe the color changes of ink samples through different external conditions, mainly using forms such as light, heat, and spectral detection, to achieve anti-counterfeiting purposes. The implementation process is simple, the cost is low, the concealment is good, the colors are bright, and the inspection is convenient. From the perspective of reaction characteristics and verification methods, anti-counterfeiting inks can generally be divided into fluorescent inks, ultraviolet inks, thermochromic inks, temperature sensitive color changing inks, reaction color changing inks, friction color changing inks, infrared anti-counterfeiting inks, invisible inks, magnetic inks, chemical encryption anti-counterfeiting inks, etc.
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