In recent years, digital technology has become a hot topic in the printing industry, and computer companies like Hewlett-Packard are also participating in the printing market with their energetic inkjet web presses. Today, printing and publishing companies around the world have gradually formed three camps: early adopters of digital technology, supporters of offset printing technology, and creators of the combination of digital and offset printing technology. So, with the passage of time, what new markets or hot technologies in the printing industry that deserve attention are emerging? Let's take stock one by one.
Nano printing technology
The nano-printing technology invented by the father of digital printing, Banny Landa, has been placed on the hope of filling the gap between offset printing and digital printing since its birth. The way it works is this: first inject the Landa nano ink into the print head, which is an aqueous ink containing nano-scale pigment particles. When printing, the ink is first transferred to a heated blanket, and then transferred to the substrate. The compatible substrates include standard coated paper or non-coated paper without special treatment, plastic packaging film or label. Paper etc.
The biggest advantage of nano-printing technology is its ultra-small ink particles. After reaching the nanometer size, the characteristics of many materials will change. The performance of nano inks in this regard is very good. Due to its hard texture, this ink is extremely resistant to abrasion and scratches. Nano ink can absorb more light, so it can provide a wider CMYK color gamut. In addition, the tiny pigment particles can make the ink film more uniform and the image clearer.
Once the nano ink is transferred to the heated blanket, the moisture contained in it will evaporate and leave an ultra-thin ink film. So people don't have to wait for the ink film to dry-which is common in offset and digital printing processes-and can go directly to the next production step. In addition, nano printing also allows users to print more colors in the printing area without oversaturation. Nano ink can print up to 8 colors with a resolution between 600dpi and 1200dpi. The speed on sheet and web printers can reach 13,000 pages / hour and 200 meters / minute respectively.
White ink technology
Printing white text or patterns on a dark background has never been a simple matter. Fortunately, there is the "white ink" technology. This is a product developed by Hewlett-Packard for its Indigo digital printing machine. Its opacity is mainly determined by the number of ink drops ejected from it. The more white ink droplets the printer uses, the more opaque the text or patterns it prints. Although its price is more expensive, it can bring better visual effects to users.
In the digital printing process, the device can control the printing effect by adjusting the number of drops of ink ejection in the process of one paper feed. In the offset printing process, in order to obtain the same printing effect, the user must print the same substrate at least 5 times. Although the appearance of "white ink" technology provides a cheaper solution for white hot stamping, silk printing or thermal transfer printing of plastics, it is still slightly inferior to manual processing in terms of texture and feel. In short, the biggest feature of this technology is that it can print different visual effects by controlling the number of ink drops ejected by the printer, especially on various color substrates.
For designers, the "white ink" technology brings unlimited possibilities. It can make printing labels and packaging on transparent materials a reality. For production executives, it is now possible to abandon the previous practice of printing with dark ink on white paper, and then leaving the text or image area to be rendered blank. Nonetheless, printing text or image elements with white ink still faces many challenges, such as registration problems. Whether it is on digital presses or offset presses, no satisfactory solution has been found.
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