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Volume: 15 | Article ID: art00061_1
Image Stability of TA Paper
  DOI :  10.2352/ISSN.2169-4451.1999.15.1.art00061_1  Published OnlineJanuary 1999

The image stability of TA (Thermo Autochrome) paper under dark storage conditions and display conditions was evaluated. “TA” direct thermal full color recording paper has three color forming layers: an outermost yellow color forming layer, a magenta color forming layer and an innermost cyan color forming layer. The yellow and the magenta color images were formed by an azo dye, and the cyan color image was formed by a leuco dye within the microcapsule in each color forming layer.The dark stability at room temperature was predicted by an accelerated thermal test based on the Arrhenius law. The light stability under normal display conditions was evaluated by an accelerated light test which utilize a xenon arc lamp. The dark stability of the latest TA paper was improved by introducing a new leuco dye precursor, and the light stability was also improved by introducing an ultraviolet absorber precursor layer and a low oxygen permeability layer. The improvement of the image stability is evaluated in this paper.

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Eiichi Sakai, Junichi Yoneda, Akira Igarashi, "Image Stability of TA Paperin Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP15),  1999,  pp 235 - 238,

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