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    • 4. 发明授权
    • Leuco dye-containing coating compositions
    • 含有无色染料的涂料组合物
    • US07462443B2
    • 2008-12-09
    • US10655708
    • 2003-09-05
    • Randall Orson WillardRolf Dessauer
    • Randall Orson WillardRolf Dessauer
    • G03F7/00
    • G11B7/244
    • Compositions and systems for labeling substrates, such as optical disks, using leuco dye-containing coating compositions are described. The composition can comprise a color forming composition, an electromagnetic radiation absorber, and a stabilizing agent. The color forming composition can include a leuco dye, a hexaarylbiimidazole activator, and an acid-generating source. The absorber can be admixed with or in thermal contact with the color forming composition. The stabilizing agent can be configured for protecting the leuco dye upon exposure to ambient light, wherein the stabilizing agent comprises a diarylguanidine dye salt. The coating composition can be optimized for development using electromagnetic radiation having a frequency from about 760 nm and 800 nm.
    • 描述了使用含有无色素染料的涂料组合物来标记基材(例如光盘)的组合物和系统。 组合物可以包含成色组合物,电磁辐射吸收剂和稳定剂。 成色组合物可以包括无色染料,六芳基联咪唑激活剂和产酸源。 吸收剂可与成色组合物混合或与其形成热接触。 稳定剂可以被配置为在暴露于环境光下时保护无色染料,其中稳定剂包括二芳基胍染料盐。 可以使用具有约760nm和800nm频率的电磁辐射来优化涂层组合物的显影。