Trends in coating technology for value-added printing

[ppzhan Abstract] For a long time, as a process after printing, a special coating was applied, and this process was widely used. More and more products have been introduced, and these products have been well protected in the development and production process. Whether you are facing a thermal coating, a silver coating, an odor coating, a flash coating or an iodine coating, you will always find the right product. In addition, this product offers different styles of coating for high quality prints. At Drupa, products and trends in the coatings sector have been further developed and promoted.

For thermal coatings, the product becomes transparent or colored as the temperature of the hot ink changes, and is even used to create an interesting visual design. Because this product can react with sunlight, ordinary light sources, and even human body temperature, producing surprising changes in color effects, it is often applied to hidden patterns or variable colors on book covers. (So ​​it is often applied to the anti-counterfeiting mark on the book cover) For silver coating, it can be used as a substitute for the bronzing process. The glittering particles of different colors and sizes of the coating in the coating can be arbitrarily mixed. For matte coatings, it contains real quartz sand and iodide, which can produce a sparkle effect. Aroma coatings are also popular, with a scented capsule on the surface that produces aroma through a scented capsule that rubs against the surface.

Make the color beautiful and the embossed coating and the structural coating can produce a good tactile effect, as long as a thin layer is applied to the paper to produce a very special effect. Structural coatings also produce a three-dimensional structure. The reason why the structural coating forms this effect compared to the embossed coating is that the internal special components form a three-dimensional surface before solidification. There are also colored coatings after the end of printing. At first these colored coatings were used for decoration, as this would make the colors more beautiful. Gold and red coatings are common, and these colorful coatings are used on the covers of a large number of books we see in bookstores.

The visual impact of the three-dimensional effect Werner Achilles GmbH is a coating specialist from Germany who introduced a new coating at this drupa show. The use of such a printed print will produce a three-dimensional effect, which deeply attracts customers. The reason is that the light is blocked by the special dot structure or linear structure of the coating to produce this amazing effect. Toston Drews, general manager of the company, said: "The use of this coated print not only firmly attracts customers' eyes, but also has certain safety functions."

Optimizing the combination Recently, people are trying more and more completion combinations. For example, some people use a bright coating on matte materials. In addition to providing a better visual effect, the coating also protects the print and prevents the print from being scratched. Toston Drews said: "This special matte coating has been designed with scratch resistance in mind."

Leading in the competition In order to increase the price and grade of printed matter, a wide variety of coatings are being used more and more. Whether it is bright or matte, whether it is transparent or colored. Therefore, compared to previous years, in Drupa, we not only see a variety of different products, but also see the real "value-added printing" products compared with ordinary prints. Some companies have begun to apply their applications and have taken a solid step in the future.

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