Abstract
This study characterizes the use of transparent low-density polyethylene laminate films for the purpose of recording digital information in the form of linear and color two-dimensional matrix codes that are distinguishable in polarized light. Color characteristics of multilayer laminated materials made from polyethylene and heat treatment methods for changing their coloring are examined. The contribution of the number of multilayer film interfaces to the lightness and color of the laminate is shown. Melt-extruded industrial polyethylene film heat treatment methods by convection, conduction, and radiation, to control their optical characteristics and color in polarized light, are studied.
© 2018 Optical Society of America
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