The use of gravure printing decorative patterns is a new technology developed in recent years. The gravure printing technology can be used to produce imitation metal corrosion (mat), refraction, wrinkles, ice flowers, coral and other decorative patterns on gold, silver cardboard and certain color cardboard for high-end packaging and decoration of large quantities of printing. In the past, all decorative designs were printed using screen printing. They have been used for printing cigarettes, wines, cosmetics, and high-grade clothing, as well as for greeting cards, calendars, and artwork. However, the variety of UV screen printing decorative inks, single performance, and the difference in printing process root, for this reason, in a package of how many kinds of decorative patterns, it is necessary to make the number of versions, multiple printing, not only trouble, It is also difficult to register and affect the quality of printing. Another disadvantage in the web is the poor consistency of the printed matter, which provides convenience for some fake counterfeiters.
The use of gravure printing decorative patterns, the resulting pattern is determined by the screen layout, size and depth, as long as on a plate made of different effects of the pattern of sand, refraction, ice, wrinkles or coral, In combination with the special properties of UV decorative gravure inks, the required patterns can be printed in one go, very easy, and the hidden images can be printed. They can be seamlessly combined to make the products more artistic and have Very good anti-counterfeiting features.
The gravure decorative pattern has many advantages, mainly as follows:
1. The resulting prints are exquisite and elegant, with excellent artistic effects and decorative effects. Although imitation metal etching (mat), refraction, wrinkles, etc. printed by silk screen method are also beautiful, they have been widely used in high-grade packaging such as tobacco and wine for many years. Applied, but its pattern is relatively single and appears to be monotonous. The gravure decorative pattern can be skillfully matched with a variety of thicknesses of matte, wrinkles of different thicknesses, various types of refraction, and ice flowers, and printed in a package, which is both gorgeous and highly artistic.
2. With excellent anti-counterfeiting performance, the author believes that security must meet the following conditions: First, it has obvious features that are easily identifiable, preferably at a glance, or it can be identified with simple tools. Second, it is difficult for others to counterfeit. It is impossible to imitate; Third, the consistency of printing is good. As long as the design is good, the gravure decorative pattern can adhere to the above three conditions. Decorative patterns are made up of dots and lines with three-dimensional geometric shapes that cannot be duplicated by scanning or electrophotography. For this reason, as long as the platemaking factory does not provide electronic files for plate making, others cannot produce the same version, and the ink formula is unique. Difficult to imitate. Can not print with silk screen, flexo and offset printing. Its pattern is very eye-catching, with the naked eye or ten times a magnifying glass can be clear, easy to identify.
3. Fast printing speed, good printing consistency, and good print quality This technology can print imitation metal etching (maturing), wrinkles, ice, refraction, coral and other patterns to gold and silver card paper at the same time. The printing quality and consistency are very good. . However, if screen printing encounters multiple patterns, it must be printed multiple times. Only one pattern can be printed at a time, and it is difficult to register. The consistency of printing is poor. Gravure printing speed is very fast, the use of sheet-fed gravure printing machine, can print more than 5,000 per hour, such as the use of the ZMA94 high-speed sheetfed gravure press recently developed by Shanghai Ziming Machinery Co., Ltd., up to 10,000 per hour . With a web-type rotary gravure press, the printing speed can reach 130M/min.
4. Energy-saving, low-consumption, environmental-friendly gravure decorative patterns are printed using UV gravure decorative inks invented by the company. The inks are environment-friendly inks, free from flammable and explosive volatile solvents, and are very safe to the human body. Does not cause allergies, it will not produce redness and papules. The curing speed of the ink is very fast. When the printing speed is 130M/min, as long as 120W/CMx2 can be cured, the consumed energy is much lower than that when the oil ink, especially the aqueous ink, is dried. The ink consumption is very low, UVA-105 type, 106 type, 201 type, 202 type, etc. can print more than 100 square meters per kilogram, while the screen of UV imitation metal etching ink can only print more than 30 square meters per kilogram.
5. The printing layer has a good protective effect. In general, the gravure resistance of a gravure ink is poor, and it is often necessary to print a protective layer or a glazing layer again to increase the wear resistance. The decorative pattern is generally printed on the final print. The UV decorative ink has good adhesion and high surface strength, and can provide excellent protection to the gravure ink without printing any other protective layer.
Printed wrinkles by screen method, first with low-pressure mercury lamp irradiation, the UV light energy is very low, only absorbed by the surface layer ink, induced surface micro-polymerization, and then used for UV curing medium pressure mercury lamp (often called High pressure mercury lamp irradiation, due to the surface layer has been triggered, its polymerization rate is much higher than the inner layer, polymerizing the inner layer of oligomers and live diluent to polymerize, so that the surface volume and the bottom layer of the polymerization are seriously different. Wrinkles. The wrinkles generated by screen printing are randomly generated. The thickness of the ink layer, the intensity of the low-pressure mercury light, the power density of the medium-pressure mercury lamp, the speed of the conveyor belt, the temperature, the surface properties of the substrate, and the like all affect the appearance and thickness of the wrinkles. depth. Observed with a tenfold magnifying glass, it can be found that with the same ink, each wrinkle is not the same in the same batch of printed matter. For this reason, silk screen printing wrinkles have no security. With gravure printing wrinkles, each wrinkle is the same, it is like a security thread on the renminbi, with 10 times the magnifying glass can be at a glance.
As we all know, the ice flower pattern is crystal clear and beautiful. It has extremely high decoration value. In the past, ice silk was printed using a silk screen method and cured with UV. The ice silk screen printing method, just when the ink is printed on the gold and silver card paper, only a flat thick layer, UV ice ink ink curing speed is very slow, put it under UV light curing, due to surface layer and The curing speed of the bottom layer is different, causing uneven shrinkage and slowly producing crystal lines. This is what we call daily as ice flower. The process requires that the crystal pattern must be shrunk slowly in order to make the ice stripe clear and beautiful. If the ice pattern is too fast, it will not even produce ice, which will determine the cost and high energy consumption of the screen printing ice. . Another problem with silk screen printing is that its pass rate is very low, as long as the thickness of the printing, the surface properties of the substrate, the power of the UV lamp, the transmission speed, the curing temperature, etc., are slightly changed, and the resulting ice is completely absent. In the same way, often on a print, a part of the ice is good, but the other half is waste. For this reason, it has so far only stayed in proofing or small batch trial production and cannot be used for large-scale packaging. The gravure method is used to print ice patterns, which can be printed at high speed and in large quantities. The consistency of printing is excellent and can be used for large-scale packaging. Since the ice pattern is composed of many ice crystals, each ice crystal has a different appearance. There are many shrink lines in the ice crystals, which are like security lines. As long as they are observed with a tenfold magnifier, they are not only beautiful, but also have High security effect. In addition, two monkeys printed with numb sands cannot be copied at all if they do not get the text of the plate.
In addition, the ink used is a special formulation of a new invention, which increases the security effect. This technology avoids a new approach for the application of gravure printing, and can be widely used in packaging, greeting cards, and calendars for high-grade cigarettes, wine, cosmetics, tonics, clothing, etc. that require large-volume printing.
The use of gravure printing decorative patterns, the resulting pattern is determined by the screen layout, size and depth, as long as on a plate made of different effects of the pattern of sand, refraction, ice, wrinkles or coral, In combination with the special properties of UV decorative gravure inks, the required patterns can be printed in one go, very easy, and the hidden images can be printed. They can be seamlessly combined to make the products more artistic and have Very good anti-counterfeiting features.
The gravure decorative pattern has many advantages, mainly as follows:
1. The resulting prints are exquisite and elegant, with excellent artistic effects and decorative effects. Although imitation metal etching (mat), refraction, wrinkles, etc. printed by silk screen method are also beautiful, they have been widely used in high-grade packaging such as tobacco and wine for many years. Applied, but its pattern is relatively single and appears to be monotonous. The gravure decorative pattern can be skillfully matched with a variety of thicknesses of matte, wrinkles of different thicknesses, various types of refraction, and ice flowers, and printed in a package, which is both gorgeous and highly artistic.
2. With excellent anti-counterfeiting performance, the author believes that security must meet the following conditions: First, it has obvious features that are easily identifiable, preferably at a glance, or it can be identified with simple tools. Second, it is difficult for others to counterfeit. It is impossible to imitate; Third, the consistency of printing is good. As long as the design is good, the gravure decorative pattern can adhere to the above three conditions. Decorative patterns are made up of dots and lines with three-dimensional geometric shapes that cannot be duplicated by scanning or electrophotography. For this reason, as long as the platemaking factory does not provide electronic files for plate making, others cannot produce the same version, and the ink formula is unique. Difficult to imitate. Can not print with silk screen, flexo and offset printing. Its pattern is very eye-catching, with the naked eye or ten times a magnifying glass can be clear, easy to identify.
3. Fast printing speed, good printing consistency, and good print quality This technology can print imitation metal etching (maturing), wrinkles, ice, refraction, coral and other patterns to gold and silver card paper at the same time. The printing quality and consistency are very good. . However, if screen printing encounters multiple patterns, it must be printed multiple times. Only one pattern can be printed at a time, and it is difficult to register. The consistency of printing is poor. Gravure printing speed is very fast, the use of sheet-fed gravure printing machine, can print more than 5,000 per hour, such as the use of the ZMA94 high-speed sheetfed gravure press recently developed by Shanghai Ziming Machinery Co., Ltd., up to 10,000 per hour . With a web-type rotary gravure press, the printing speed can reach 130M/min.
4. Energy-saving, low-consumption, environmental-friendly gravure decorative patterns are printed using UV gravure decorative inks invented by the company. The inks are environment-friendly inks, free from flammable and explosive volatile solvents, and are very safe to the human body. Does not cause allergies, it will not produce redness and papules. The curing speed of the ink is very fast. When the printing speed is 130M/min, as long as 120W/CMx2 can be cured, the consumed energy is much lower than that when the oil ink, especially the aqueous ink, is dried. The ink consumption is very low, UVA-105 type, 106 type, 201 type, 202 type, etc. can print more than 100 square meters per kilogram, while the screen of UV imitation metal etching ink can only print more than 30 square meters per kilogram.
5. The printing layer has a good protective effect. In general, the gravure resistance of a gravure ink is poor, and it is often necessary to print a protective layer or a glazing layer again to increase the wear resistance. The decorative pattern is generally printed on the final print. The UV decorative ink has good adhesion and high surface strength, and can provide excellent protection to the gravure ink without printing any other protective layer.
Printed wrinkles by screen method, first with low-pressure mercury lamp irradiation, the UV light energy is very low, only absorbed by the surface layer ink, induced surface micro-polymerization, and then used for UV curing medium pressure mercury lamp (often called High pressure mercury lamp irradiation, due to the surface layer has been triggered, its polymerization rate is much higher than the inner layer, polymerizing the inner layer of oligomers and live diluent to polymerize, so that the surface volume and the bottom layer of the polymerization are seriously different. Wrinkles. The wrinkles generated by screen printing are randomly generated. The thickness of the ink layer, the intensity of the low-pressure mercury light, the power density of the medium-pressure mercury lamp, the speed of the conveyor belt, the temperature, the surface properties of the substrate, and the like all affect the appearance and thickness of the wrinkles. depth. Observed with a tenfold magnifying glass, it can be found that with the same ink, each wrinkle is not the same in the same batch of printed matter. For this reason, silk screen printing wrinkles have no security. With gravure printing wrinkles, each wrinkle is the same, it is like a security thread on the renminbi, with 10 times the magnifying glass can be at a glance.
As we all know, the ice flower pattern is crystal clear and beautiful. It has extremely high decoration value. In the past, ice silk was printed using a silk screen method and cured with UV. The ice silk screen printing method, just when the ink is printed on the gold and silver card paper, only a flat thick layer, UV ice ink ink curing speed is very slow, put it under UV light curing, due to surface layer and The curing speed of the bottom layer is different, causing uneven shrinkage and slowly producing crystal lines. This is what we call daily as ice flower. The process requires that the crystal pattern must be shrunk slowly in order to make the ice stripe clear and beautiful. If the ice pattern is too fast, it will not even produce ice, which will determine the cost and high energy consumption of the screen printing ice. . Another problem with silk screen printing is that its pass rate is very low, as long as the thickness of the printing, the surface properties of the substrate, the power of the UV lamp, the transmission speed, the curing temperature, etc., are slightly changed, and the resulting ice is completely absent. In the same way, often on a print, a part of the ice is good, but the other half is waste. For this reason, it has so far only stayed in proofing or small batch trial production and cannot be used for large-scale packaging. The gravure method is used to print ice patterns, which can be printed at high speed and in large quantities. The consistency of printing is excellent and can be used for large-scale packaging. Since the ice pattern is composed of many ice crystals, each ice crystal has a different appearance. There are many shrink lines in the ice crystals, which are like security lines. As long as they are observed with a tenfold magnifier, they are not only beautiful, but also have High security effect. In addition, two monkeys printed with numb sands cannot be copied at all if they do not get the text of the plate.
In addition, the ink used is a special formulation of a new invention, which increases the security effect. This technology avoids a new approach for the application of gravure printing, and can be widely used in packaging, greeting cards, and calendars for high-grade cigarettes, wine, cosmetics, tonics, clothing, etc. that require large-volume printing.
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