Influences on spreading of Inkjet inks on coated cardboards

Abstract

Well-known models to explain the interaction between liquids and surfaces include parameters as fluid viscosity, surface tension and density. About the surface, the properties as porosity and roughness, and surface energy are relevant. Regarding Inkjet printing this interaction can be influenced also by ink injection parameters. Several studies were published in the last years using these models to analyze different substrates for Inkjet as plain and Inkjet papers. The experiments here focused on this interaction but between Inkjet inks and coated cardboards. The main findings are related to an opposite ink spreading speed of pigment and dye inks with increasing of ink surface tension and viscosity. It was also demonstrated a high correlation between spreading speed and total surface energy of the cardboards.