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High added value: the unique secret of special printing (Part 1)

in the modern society with the increasing degree of informatization, the traditional special printing has been innovated and applied in a wider range of fields, and has to a large extent evolved into a printing that creates high added value. Printing, especially the printing that creates high added value, is no longer an isolated industry or an external process in product production, but is increasingly integrated with other industries and becomes an indispensable part of the product, or the product itself. Even to a certain extent, printing has participated in or will become a part of some management functions

"Qian" Cheng Sijin

in the traditional sense, we believe that the printing process that is different from general printing and used for special purposes is special printing. Its "specialty" is embodied in printing materials, processes, substrates, etc. There are many kinds of special printing, such as printing on paper or other printing materials using ink with special properties; Use special printing methods to print on special shapes or materials; A special printing process for transferring printed matter to other substrate materials. Printing with special performance inks includes foaming printing, perfume printing, magnetic printing, liquid crystal printing, etc. Special printing methods include woodblock watermark, hose printing, inkjet printing, holographic printing, electrostatic printing, etc; Special shapes that can be printed include cylinder, cone, sphere, irregular curved surface, etc; Special materials that can be printed include glass, plastic, metal, etc. There were ceramic transfer papers in ancient times, and now there are various decal printing, which can be transferred to metal, wood, plastic, building materials, etc

special printing has been widely used in all aspects of social life and has achieved immeasurable economic benefits, so it has attracted more and more attention from customers. Therefore, we can view and rename special printing from a new perspective. This naming perspective is to get rid of the thinking inertia of "special". From the perspective of customers, the definition of special printing can no longer cover the new fields it has entered and will enter. It is more worthy of the name to replace "special printing" with "value-added printing". Special printing is not available in general printing, and it "injects" the elements that can affect people's various senses. There are three common problems: brush products can better play an unexpected additional function as printed products while enhancing the performance effect, that is, to improve the additional value of printed products. Therefore, "special printing" is more appropriately called "value-added printing". It includes printing for practical articles such as clothing, food, housing and transportation, printing showing special effects and functions, printing on three-dimensional objects, printing with special functions (such as anti-counterfeiting, electronic identification), etc

special printing in the Jianghu is wonderful.

rfid tag printing technology. RFID radio frequency automatic identification tag has the advantages of non-contact, penetrating transmission, reading and writing data, extremely miniaturized and diversified shape, strong environmental resistance, reusable, large data storage capacity, etc. in particular, RFID identification card can exchange data without contact with card reader. Its data transmission has no directional requirements. The card can be placed in a pocket or bag, and can be directly identified without taking it out. It is more convenient to use, It is very likely to replace bar code and other identification systems and become one of the important technologies widely used in guard management, commuting management, recyclable container management, anti-theft management, animal monitoring, automatic control of stress cracking caused by glacial acetic acid, vegetable oil and other corrosion, ticket management, etc. 60 micron chips with the same thickness as paper have long been made. In developed countries such as the United States and Japan, RFID tag printing technology is being gradually improved. Printing antennas and chips on paper for book covers or other items will soon become a reality. Printing the chip as a part of the printing process can save the cost of sticking RFID tags, which is conducive to the role of RFID RFID RFID tags in more fields

rfid tag printing technology brings challenges to the traditional special printing industry, and also brings new business opportunities. At present, there are still many bottlenecks hindering the promotion of RFID technology, such as improving RFID technology to ensure the correct reading and writing of data; Formulate and implement international RFID standards to realize the compatibility of all RFID tags in different areas with any reader; The problem of significantly reducing costs to achieve commercialization, etc

there is also a highly difficult technical bottleneck in the RFID RFID RFID label printing technology. The printing of the antenna used in RFID requires superb skills and high registration accuracy, which is more stringent than the general commercial printing requirements. When printing with conductive ink, overprint accuracy and ink coverage are the key to the success of printing. Taking traditional flexo printing as an example, it is good to register within 5mils (1 mils is about 0.0254mm), but the RFID chip surface is generally only 20mils, in which there are 4~10 bonding points, each of which is about 2mils, that is, the overprint accuracy cannot exceed 1mils. This is the limit of the resolution of offset conductive ink, and it is very much beyond the limit of the resolution of flexo conductive ink. Moreover, RFID chips need to have 2~3 layers of complete registration requirements, which is not easy to achieve. Sometimes the printed chip looks very good, but there may be pinholes and sand holes in the printed antenna, which may also cause faults during use. In addition, the environmental protection problems caused by conductive ink used in RFID printing also need a better solution

at present, the cost of non printed RFID tags is not a problem for valuable goods, but it is not feasible for a large number of ordinary goods. Printing the antenna with conductive ink is undoubtedly an effective method to reduce the cost of RFID tags, which has high efficiency and can also reduce the pollution of a large number of copper and corrosive liquid. Therefore, RFID label printing technology will be promising. How should we deal with this new technology? The printing and related industries should make early preparations in the following aspects: the improvement and breakthrough of technology and process, mainly including the further research and development of conductive ink, conductive printing technology, antenna printing technology and process, printing carrier, etc; Reduce technology R & D cost, printing raw material cost, equipment investment cost, etc; Establish an internal management system suitable for order based production, and improve the level of production automation and information management; Establish a rapid response mechanism for customer needs, so as to be customized for each customer, improve e-commerce and logistics distribution capabilities, and achieve on-time and accurate supply to meet customer needs; Strengthen cooperation with international counterparts, and actively participate in international integration in terms of technological innovation and global market distribution

new technology of electronic printing. Electronic printing is a non-contact printing between the plate and the substrate. During electronic printing, the holes in the printing area of the stainless steel plate are in the open state, and the holes in the non printing area are in the blocked state, with an appropriate distance from the electrode plate. The substrate is placed between the stainless steel plate and the electrode plate. A DC voltage is applied between the plate and the electrode plate. The toner evenly scattered by the toner supply device falls on the plate and moves on the plate by the brush roller. When the toner passes through the opening part of the plate, an electronic charge is applied. Due to the effect of static electricity, the toner is attracted to the electrode plate and falls on the substrate, forming the same pattern as the plate. Preheat the graphics on the substrate or apply solvent vapor to dissolve and fix the toner attached to the substrate. Because the toner can be instantly fixed on the surface of the object, there is no need for a drying device, and multi-color printing can also be carried out. Therefore, it is a new printing method that can be printed on the surface of any object such as fragile objects, uneven objects, high-temperature objects, etc. it can be widely used. It stipulates that when class A and B1 external insulation materials are used in residential buildings, there is no need to set "isolation belt" for material surface printing, and it can even print the surface of high-temperature steel plate and glass products being made

magazine value-added printing refresh technology. At present, the fields that use value-added printing to improve circulation are magazines, especially women's magazines and fashion magazines such as life, sports and entertainment for young people. They often use various value-added printing methods or special processing on the cover, advertising pages, appendices and other parts. For the covers of "luminous design" and "edge folding processing", metal glossy foil such as holography is applied to the name of the magazine, or the whole cover is evaporated with film, and gold and silver threads with metal luster are spread on the surface of raised printed matter. Such magazines will naturally attract attention on the bookshelves of bookstores or retail stores; Additional physical gifts and strippable advertisements. Additional physical gifts will bring unexpected effects, such as physical samples of liquid cosmetics, CD-ROM discs, etc. strippable advertisements can be used as coupons, and maps or numbers can be printed, which can enhance people's attention and are popular

ultra large format silk printing and inkjet technology. Outdoor advertising has become an indispensable symbol of modern commercial cities. It is one of the six major advertising media together with television, radio, newspapers, magazines and Internet. Since the 1990s, the full-automatic super large format multi-color silk printing machine, especially the new generation of super large format inkjet printing machine, has been put on the market successively. 7. When the piston exceeds the stroke (about 20mm), its resolution and inkjet speed are continuously improved. There are also new waterproof and sun resistant inkjet ink and continuous ink supply system, which are extremely suitable for the production of outdoor super large advertisements. In recent years, the application field of super large format color spray painting technology has expanded from outdoor advertising to decoration, GIS geographic mapping information system, textile and clothing, printing proofing, etc., setting off a technological revolution and becoming a upstart competing with traditional printing. Large format silk printing has good printability and can be printed on any substrate; Thick ink layer, strong stereoscopic sense, good image color; Fast printing speed; The printing cost of large quantities (more than 50 pieces) is lower than that of inkjet printing. Large scale inkjet painting has a simple production process, and does not require equipment such as color separation, plate printing, development, and printing plate. The equipment investment cost is relatively low; The color is rich and lifelike, and the output can ensure the accuracy of color; Small batch printing has low cost, short cycle, timely delivery and competitive price advantage. These two printing methods have their own characteristics, which can complement each other and develop together

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