Print new materials - anti-counterfeiting articles
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In today's global economic integration, anti-counterfeiting printing of effective securities such as finance, securities, checks, banknotes and air tickets is urgently needed. With the continuous development of anti-counterfeiting printing and the research and development of anti-counterfeiting technology, the production and application of anti-counterfeiting technology products It has also been rapidly developed, and anti-counterfeiting inks and anti-counterfeiting materials such as laser holographic paper, vacuum aluminized paper, transfer paper, etc. have appeared.
High-tech nano inks become anti-counterfeit shields
Nanotechnology has been used in the development and production of inks, and has achieved promising results, especially in the field of anti-counterfeiting inks. The nano anti-counterfeiting printing ink developed by combining nanotechnology and anti-counterfeiting technology not only has good printing effect, but also can further improve anti-counterfeiting effect and anti-counterfeiting performance. For example, in view of the fact that the fluorescent anti-counterfeiting ink has poor light resistance and the anti-counterfeiting mechanism has been deciphered and the anti-counterfeiting function is lost, the performance of the near-infrared absorption nano anti-counterfeiting ink is satisfactory in terms of reliability, safety, stability, and aging resistance. At present, the product has been applied to high-tech fields such as outer packaging, ticket security and infrared sensors.
For nano-inks, we are still basically only on the stage of paper talk, and there is still a long way to go in the ink manufacturing and printing industry. However, some experts predict that nano-ink will open up a vast new world for ink manufacturing, bringing a new revolution to the world's ink and printing technology.
Nano-watermarked paper incorporating nanotechnology
The nano-watermarked paper uses an accelerator or a reactor to macroscopically orient the nucleus or other heavily charged microscopic particles, intercepts the individual information of a large number of microscopic particles as a microscopic stereo original, and cleaves it into an identification card and a test card, and the logo card and the carrier are combined into a package. The materials, the inspection card and the management information are combined into a packaging material, and the inspection card and the management information are merged into a detector, and the dual cards are combined to distinguish the authenticity. The nano watermark has a special resonance effect, which can be recognized by the naked eye, and the test card can be integrated with the management information to form a network belt, thereby eliminating the imitation phenomenon of the packaging material. Nano-watermarked paper can be used in all product packaging that requires anti-counterfeiting, and the market prospects are of concern.
Thermosensitive material is hot and discolored
This material uses a novel compound synthesized by rare earth elements, which can cause discoloration under the action of heat. In recent years, a new type of rare earth thermochromic compound is a cyclical transition from colored to colorless, colored to colored, by using a rare earth metal center ion as a color-changing body through the heat transfer of the organic complexing ligand. Due to the difference in the "rare earth complex", the degree of heat affected by different conformations will appear different colors or even colorless.
When this heat-sensitive material is applied to an ink, it becomes a security ink having a color-changing effect. Among them, the hand temperature discoloration anti-counterfeiting ink is a kind of thermochromic anti-counterfeiting ink, and has been widely used in anti-counterfeiting in recent years.
Laser holographic material is unique
The combination of laser holography and gravure printing technology forms an overall security anti-counterfeiting packaging printing technology, which can produce high-grade packaging printed matter with high anti-counterfeiting ability, which can not only be directly recognized by consumers but also has appreciation value. In the production of overall anti-counterfeit packaging printing, gravure printing and laser technology are embodied on one product, and the packaging and printing technology with higher security and anti-counterfeiting is realized. The perfect combination of the two guarantees the safety and uniqueness of the product packaging. The earth has improved the taste of the packaging, which can be said to be a combination art.
New application of anti-counterfeiting materials on bills
The bills are mainly made of paper and ink for anti-counterfeiting. Anti-counterfeit paper with composite anti-counterfeiting function is continuously applied to the bills, such as watermarks, fluorescent whitening agents, visible fibers or invisible fibers, and security threads. With the development of related sciences such as the chemical industry, new inks for the bill industry continue to emerge. For example, infrared anti-counterfeiting inks are the most advanced and widely used anti-counterfeiting inks. It is made of infrared (700 ~ 1500nm) with different absorption characteristics, can be widely used in anti-counterfeiting printing of various printing methods, and can detect or identify its imprint by instrument. Products printed with infrared inks have no reaction under ordinary light, and under infrared light detection, corresponding signals or graphics can be observed. The infrared luminescent material belongs to an inorganic rare earth luminescent material, and is a material that responds to glare, bright green and red visible light under infrared light. This material has a main working wavelength range of 780 to 1200 nm. Its advantage is that it has a very white appearance under normal sunlight and is extremely easy to refine particles.