Humidity Effects on Light Fastness Testing
In a group of typical inkjet media/ink combinations some exhibited a strong influence on the humidity cycling conditions whereas others showed little effect. As different colorants have a different sensitivity to humidity their relative ranking change when the test parameters change. This changes the colour balance of faded prints and affects the display life predictions drastically. The first fading colour, as well as the colour shift in image degradation are shown to be a function of the sample humidity during the light exposure.
On the basis of light fastness measurements in humidity cycled system over several years the statistical variation for display life of a typical inkjet print has been determined which gives an indication about the experimental errors of a cycled system. A proposal for a dual humidity level test is made.
Document Type: Research Article
Publication date: 01 January 2005
For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.
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