Abstract
The quality of ink-jet printing depends to a large extent on the technical characteristics of the selected equipment and the surface properties of the printed substrates. It is known that for digital printing it is necessary to use expensive paper with a special coating that determines the degree of gloss of the surface. Therefore, ordinary offset papers before ink-jet printing are covered with primers that ensure good fixation of pigment ink or dye on paper, a wide field of color coverage, characteristic gloss, which generally contribute to high quality of imprints. As you can see, the type of the substrate and the state of its surface has a very great influence on the quality of the imprints. Result of the research, it has been confirmed that not only expensive paper of a special purpose can be used for a drop ink-jet digital printing. High-quality color imprints can also be obtained on ordinary offset and coated paper, coated before printing with special primers based on interpolymeric complexes of polyvinyl alcohol, which will provide sufficient optical density, contrast of images, and expand the possibilities of digital ink-jet printing.
Highlights
Today, digital printing duly took its niche in the market of printing and packaging products
The quality of ink-jet printing depends to a large extent on the technical characteristics of the selected equipment and the surface properties of the printed substrates
It is known that for digital printing it is necessary to use expensive paper with a special coating that determines the degree of gloss of the surface
Summary
Digital printing duly took its niche in the market of printing and packaging products. The type of ink, its properties and the interaction with the substrate will depend on the thickness of the ink layer, which determines the quality of the image, especially in the color printing. The specificity of digital printing and the number of quality related issues are driving the control over a large number of print options Among these parameters one can distinguish the following groups that determine the quality of the imprints: 1) the quality of the imprints performed by different types of inks, 2) the quality parameters of the printed line, 3) the quality of multicolored images overlaying, 4) the quality of the introduction in the two-sided printing, 5) the same imprints quality in circulation boundaries [8]. The influence of surface properties of offset paper on the quality of digital droplet-jet printing was investigated in [9]. The aim of the research was to study the effects of developed primers applied to ordinary offset and coated paper on the imprint quality of digital droplet inkjet printing
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