Color changes during the production of laminated flexographic prints
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Absztrakt
Lamination causes observable changes in the visual appearance of prints. As a
common surface finishing procedure, lamination produces a product with improved physical
properties, but the resulting optical changes often challenge accurate color reproduction. The
prediction of the color appearance of the final product is made difficult because the laminated
product has a complex multi-layer optical system that can not be described by the combination
of the effects of the individual layers. In this study, we examined the shifts of colorimetric
properties caused by the lamination of flexographic prints. In our experiment, 31 color centers
were measured before the lamination and after the process. We also investigated the accuracy
of a practical simulation method that uses water in place of the adhesive. Lamination causes observable changes in the visual appearance of prints. As a
common surface finishing procedure, lamination produces a product with improved physical
properties, but the resulting optical changes often challenge accurate color reproduction. The
prediction of the color appearance of the final product is made difficult because the laminated
product has a complex multi-layer optical system that can not be described by the combination
of the effects of the individual layers. In this study, we examined the shifts of colorimetric
properties caused by the lamination of flexographic prints. In our experiment, 31 color centers
were measured before the lamination and after the process. We also investigated the accuracy
of a practical simulation method that uses water in place of the adhesive.