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Lightfastness Properties of Different Digital Printers and Papers Steven D. Rice and Paul D. Fleming III, Center for Ink and Printability Research. Department of Paper Engineering, Chemical
 

Summary: Lightfastness Properties of Different Digital Printers and Papers
Steven D. Rice and Paul D. Fleming III, Center for Ink and Printability Research. Department of Paper Engineering, Chemical
Engineering and Imaging, Western Michigan University; Kalamazoo Michigan
Abstract
The objective of these experiments is to determine the
lightfastness properties of various inks and most common digital
printing methods. Lightfastness is the degree to which a dye or ink
resists fading due to light exposure. Each ink has a different
degree of resistance to fading by light. Because light is energy, the
energy that is absorbed by pigmented compounds degrades the
compounds or nearby molecules. The experiments described in this
document involve printed samples subjected to equal amounts of
sunlight exposure using accelerated methods. Statistical analysis
comparing before and after data include average color change in
terms of E and overall gamut volume is compared. From these
calculations, resistance to lightfastness can be accurately
quantified.
Introduction
Although the digital age is here and some paper-based
communications are declining, there are still many situations

  

Source: Abubakr, Said - Department of Paper Engineering, Chemical Engineering, and Imaging, Western Michigan University

 

Collections: Engineering