Gojko Vladić

15 – Screen Printing

Screen printing is a stencil-based process; it consists of closed nonimage areas and open-image areas. It is based on the principle of squeezing the ink through open areas of the mesh onto the printing substrate. Of all printing techniques, screen printing has the widest range of applications. Paper, textile, polymers, glass, or any other solid material can be printed using screen printing. Different characteristics of these materials demand different ink types to be used, but the principle remains the same. In this chapter, the fundamentals of screen printing, stencil/plate making, printing process, and a short overview of screen printing industry are presented.

Influence of printing speed on production of embossing tools using FDM 3d printing technology

Embossing is a print finishing process which enables creating of raised or recessed images (e.g. logos or characters) on substrate surface using pressure and temperature. Embossing results in a raised or recessed surface, with the design higher or lower than the surrounding substrate area. In this process, usually two metal dies are used: one with raised image and another, counterdie with matching reverse image (Kipphan, 2001).

Color appearance of textile materials applied to various geometrical shapes

The color of textile products is mainly controlled during the material production process, e.g. dyeing or printing, using color management protocols. Little attention has been given to researching the color appearance of the textile material applied to final products, where textile material is applied to a shape. The results are reported of research into the color appearance of textile materials of varying material characteristics, color, and geometrical shape to which they are applied. The main focus was on determining color differences between real textile material color and the perceived one. Materials were characterized by their composition, fabric structure, fiber type, thread count, surface characteristics, and glossiness. Samples of red, blue, orange, violet, and green color were chosen as the most frequently used colors in real application. Textile materials were applied on three differently shaped objects (flat surface, cube, and cylinder). The object color was determined by objective instrumental measurements as well as subjective judgment. A specially constructed light chamber was used to ensure constant experimental conditions. Data were subjected to statistical analysis in order to determine differences of each CIE Lch color coordinate. Results indicate significant effects of objects shape on color appearance.