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Volume: 52 | Article ID: art00009
Role of Paper Coating Pigments and Additives in Darkfastness of Ink Jet Prints
  DOI :  10.2352/J.ImagingSci.Technol.(2008)52:1(010507)  Published OnlineJanuary 2008

The article discusses changes that occur when paper samples printed with an office ink jet printer HP 5550 are exposed to elevated temperature and relative humidity without the presence of light for a prolonged time period according to accelerated artificial aging standard EN ISO 5630-3. The effects of paper coating pigment type (pyrogenic silica, precipitated and ground calcium carbonate) and the amounts of binder and dye fixative on print quality and darkfastness are examined. Results show that both color chroma and print density of prints made with the dye-based inks–cyan, magenta and yellow–on calcium carbonate coatings are higher compared to coatings where silica is used. The opposite is true for the black pigment-based ink where silica clearly outperforms calcium carbonate coating pigments. Accelerated artificial aging deteriorates color vividness much more severely with ground CaCo3 than with precipitated CaCo3 coatings, while prints on silica coatings exhibit the highest darkfastness.

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Ales Hladnik, Marjeta Cernic, Vili Bukosek, "Role of Paper Coating Pigments and Additives in Darkfastness of Ink Jet Printsin Journal of Imaging Science and Technology,  2008,  pp 10507-1 - 10507-7,

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