Effects of Nitrogen Dioxide on the Various Digital Print Technologies: Photographs and Documents
Abstract:The purpose of this study was to survey the most common types of digital print materials to determine their resistance to fade or yellowing by nitrogen dioxide (NO2), a pollutant commonly found in indoor environments to different degrees. For this experiment, various types of inkjet, dye sublimation, and electrophotographic prints (including digital press) were exposed to 5 ppm NO2 for four weeks. The sensitivities of the digital prints were then compared to those of traditionally printed materials (black-and-white electrophotographic, color photographic, and offset lithographic). Inkjet dye inks and the color dyes in traditional photographic prints were the most prone to fade by NO2. Traditional photographic, digital press, and offset lithographic papers were the most prone to yellowing by NO2. Black colorants were fairly robust indicating that most text-only documents should be very resistant to NO2 induced fade, though the papers may still yellow. Additionally, some inkjet dyes bled slightly to severely, depending on the printer and paper combination, causing the prints to appear discolored and blurred. This could result in loss of detail in images or a reduction in the readability of text in documents. This effect has not been reported with ozone exposures.
Document Type: Research Article
Publication date: January 1, 2011
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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