Counterfeit and shoddy products can be said to be a tumor on the market. It not only greatly reduces the direct economic benefits of counterfeit enterprises, but also harms the vital interests of consumers. With the development of science and technology, the brilliance and extensiveness of counterfeiting technology have put forward higher requirements for anti-counterfeiting technology.
The so-called "anti-counterfeiting packaging technology" is: mainly for commodities, not only a part of the anti-counterfeiting part, but also a part of the packaging technology. Therefore, anti-counterfeiting packaging not only has the general functional characteristics of anti-counterfeiting technology, but also has its own characteristics suitable for product packaging.
At present, anti-counterfeiting packaging means can be described as numerous, only over 100 kinds of anti-counterfeiting signs, but from the overall analysis, anti-counterfeiting packaging technology focuses on the following aspects: anti-counterfeiting logo, special material technology, printing technology, packaging structure and other methods . The following technical methods are in the mainstream.
Laser-affected image
The use of holographic printing technology to make anti-counterfeiting marks, attached to the surface of the package is currently the most popular anti-counterfeiting method. Holographic images have high technical content due to the integration of the latest achievements in the disciplines of laser, precision machinery and physical chemistry. For most small batch counterfeiters, it is difficult to master a full set of manufacturing technology and purchase manufacturing equipment. Therefore, the effect of this technology is remarkable. However, the molded holographic anti-counterfeiting signs have not fully achieved their proper functions, and even forged signs have appeared.
What followed was new packaging materials with anti-counterfeiting function processed by laser holographic technology and higher-level holographic image identification technology. Holographic image technologies with better anti-counterfeiting functions are: high-quality full-color true three-dimensional holographic technology, complex dynamic hologram technology, encrypted holographic technology, digital holographic technology, special hologram carrier technology (such as special hologram embossing material).
Laser anti-counterfeiting packaging materials
The laser-processed material has the functions of anti-counterfeiting and decoration, and changes the local anti-counterfeiting method marked by a laser holographic image to achieve the overall anti-counterfeiting effect. The entire package is laser-processed, plus the manufacturer's name, trademark, etc., and it has a large area of ​​main body anti-counterfeiting, which can't be done by counterfeiters. In addition, the laser packaging materials show colorful colors and printed patterns under the light, and the appearance is bright. The strange optical effect adds a new, strange and beautiful feeling to the packaging.
There are four categories of packaging materials after laser processing. â‘ Flexible packaging bag: laser film is made by high-tech, and then compounded with ordinary plastic film, plus printing to form laser material soft packaging bag (known as laser flexible packaging bag). â‘¡The hard package is printed on the general carton first, and then combined with the glazing film processed by laser to form a glazed hard box. â‘¢ Laser paper: Laser paper is made directly on the paper. The laser paper production process is more difficult and costly. But its advantages are: easy to print, easy to handle, no environmental issues; some products must be wrapped in paper (such as cigarette cases), especially suitable for cigarette cases, bottle stickers, labels, tax bills, calendars, gift packages, etc. In order to increase the anti-counterfeiting effect, manufacturers can use special holographic pattern marks as paper base lines, plus product graphics to make unique special packaging paper. â‘£ At present, there is a laser-processed hot stamping foil-high-grade anodized aluminum products. The logo specially made with it can be displayed in multi-dimensional and three-dimensional. The computer can be used to design a dynamic picture, or a "light spot" encryption can be reserved, and the main pattern can be displayed under different viewing angles. After the hot stamping foil is combined with the surface of the package, it is integrated with the package to achieve the dual effects of anti-counterfeiting and aesthetics.
[page]Invisible identification system
American BioCode Company (BioCode) has successfully developed a brand new invisible identification system-using antibodies as a new material for manufacturing anti-counterfeiting identification.
This system consists of two objects: the marker compound added to the product and the antibody used to identify the presence or absence of the marker and perform quantitative analysis if necessary. Marking compounds can be selected from daily chemicals, but they must be durable, inert, and easy to mix with products, and meet health and regulatory requirements. These signs are usually mixed into the product in trace amounts of a few percent. Antibodies are specific biological recognition molecules, and each antibody recognizes or binds only a specific compound. There are two types of marker recognition operations: on-site measurement and laboratory testing. It can not only test the presence and precise content of the markers, but also detect the products that are replaced or diluted.
Surface stealth technology has the following benefits: specific graphics and locations are suitable for specific users; true stealth; both can use printed labels with markers, and can also install a customized inkjet system, which is highly secure (because no specific antibodies When the marker is invisible, the specific antibody is strictly controlled; the logo image can be erased and redisplayed.
Compared with hologram logos, invisible anti-counterfeit trademarks are more vital.
Laser coding
Laser coding is mainly used to print the production date of the packaging and the batch number of the product. Anti-counterfeiting is not its primary function. Due to the high cost of the laser coding machine, it is only used in large-scale production or other printing methods that cannot be realized, so that it can be used in anti-counterfeiting Play a role in packaging.
Laser coding sealing technology is a better container anti-counterfeiting technology. After the product is sealed and capped, laser printing is performed at the joint between the cap and the container, so that the upper half of the font is printed on the lid and the lower half is printed on the container.
The anti-counterfeiting effect of this technology is that the packaging container cannot be reused. The new lid matches the old container, and the handwriting is difficult to align; the laser is expensive and coded on the production line. It is difficult for ordinary counterfeiters to invest huge sums of money to purchase this equipment; manufacturers can replace the printing template at will, and use different templates for different dates. The replacement details are only known to a few people, and it is difficult for outsiders to crack.
From the anti-counterfeiting effect; laser coding technology is not worse than laser holographic image technology. The laser hologram logo is printed by the printing factory, and the manufacturer using the logo cannot ensure that the master is not outflowed from the printing link or illegally copied. Laser encoders are expensive and must be used online, plus the hidden nature of the font template replacement variants, making it difficult for scattered small and medium-sized factories to make fakes.
Gravure printing anti-counterfeiting
Gravure printing is carried by pits engraved according to the original graphic. The thickness of lines and the density of ink can be controlled during engraving, which is not easy to be imitated and forged, especially the depth of ink pits. Realistic engraving based on printed pictures may be very small. Due to its anti-counterfeiting effect, gravure printing has been increasingly extended to corporate trademarks and packaging and decoration printing.
The anti-counterfeiting advantage of gravure printing is that the hand-carved gravure can implement the secret anti-counterfeiting method. It is particularly effective to allow hand-carved plates to be used for substrates with high plate-making costs for small printing volumes. Counterfeiters who seek short-term benefits may not be willing to take this investment risk; plate-making and printing are conducted off-site. Separate the two work links of plate making and printing as much as possible, so that the fewer people who know the core content of the entire trademark (or securities) printing work, the better. Of course, you also need to pay attention to prevent the theft of printing plates and printed materials; it can be combined with anti-counterfeiting ink technology, using unique special ink, its composition, particle fineness, and additives are kept secret from the outside world. Even if the printed matter has a unique effect, it also achieves the secret anti-counterfeiting function.
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