INVESTIGATION OF THE EFFECTS OF REPETITIVE WASHINGS APPLIED TO FILMS PRODUCED BY LAMINATION TECHNIQUE IN TERMS OF THE GLOSS, LAMINATION STRENGTH, AND OPTICAL DENSITY PROPERTIES

Elif YILMAZ¹ , Sevda Altas ² , NILDENIZ ADMAN³

Metalized yarns are produced by cutting the films in different thicknesses, metalized with aluminum on one or both sides, in a rectangular form in the desired dimensions and wrapping them on bobbins under a certain tension. Textile products made of these yarns are exposed to repetitive washings like most textile products; metal surfaces of metalized yarns are abraded over time, their bright appearance decreases or disappears. It is undesirable because it affects the lifetime of the final product. In the study, laminated films were produced by the lamination technique using different raw materials to produce metalized yarns with the improved fastness and mechanical properties. Laminated films were subjected to repetitive washings at different temperatures, and the effects of washings on the surface appearance of the films, lamination strength, and optical density properties were examined. As a result of the study, it was determined that repetitive washings reduce the lamination strength, the gloss property is affected by raw material type, the sample type, washing temperature, and the number of washing cycles affect the optical density.

Keywords
Lamination Technique , Metalized Yarn, Lamination Strength, Optical Density, Gloss,