Étude et optimisation de l'imprimabilité de films PVC produits par calandrage et enduction

Abstract : Printing quality idea is hard to control. In industry, eye is often used to judge the quality of a printed polymer film. In order to get a new level in terms of printing quality and get “point by point” or “all-over” quality, it is necessary to find a way to quantify printing quality. Some elements are important concerning the quantification of the printing quality: an optical microscopic image, a value of the average intensity and a value on the homogeneity of the color. We can define, for a calendered and a coated substrate, the main parameters acting on the printing quality. Printing speed and pressure of the rubber roll are the two main process parameters to act, viscosity and surface tension of the ink are the two main ink properties to act, while the calendered substrate is more sensitive to the variation of the parameters than the coated one.
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Romain Magnier. Étude et optimisation de l'imprimabilité de films PVC produits par calandrage et enduction. Science des matériaux [cond-mat.mtrl-sci]. Ecole Nationale Supérieure des Mines de Paris, 2015. Français. ⟨NNT : 2015ENMP0005⟩. ⟨tel-01145894⟩

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