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    • 8. 发明授权
    • Toner compositions
    • 调色剂组合物
    • US08092963B2
    • 2012-01-10
    • US12689522
    • 2010-01-19
    • Daryl W. VanbesienKaren Ann MoffatYi Xin GongEdul N. DalalJing WangRichard P. N. VereginJordan H. WosnickCuong VongValerie M. Farrugia
    • Daryl W. VanbesienKaren Ann MoffatYi Xin GongEdul N. DalalJing WangRichard P. N. VereginJordan H. WosnickCuong VongValerie M. Farrugia
    • G03G9/09
    • G03G9/0906G03G9/0804G03G9/08755G03G9/08782G03G9/091G03G9/0926
    • The present disclosure provides processes for producing images of excellent color fidelity when incorporating a magenta toner with a lower colorant loading in addition to a first magenta toner. In embodiments, the magenta pigmented particles may be magenta emulsion aggregation toners. In accordance with the present disclosure, a pair of magenta toners are matched in color, wherein the color of a first magenta toner printed at a predetermined halftone area coverage on a substrate substantially matches the color of the solid (100%) printed patch of the second magenta toner, which is lighter than the first magenta toner, thus avoiding a visible hue shift on the print that would otherwise be objectionable. In embodiments, the light magenta toner is color matched by adding a hue-adjusting colorant or combination of colorants which absorb wavelengths of light between 400 and 500 nanometers, and optionally adding a shade-adjusting colorant or combination of colorants which absorb wavelengths of light between 600 and 700 nanometers.
    • 本公开提供除了第一品红色调色剂之外,当掺入具有较低着色剂负载的品红色调色剂时,还提供了用于产生具有优异色彩保真度的图像的方法。 在实施方案中,品红色着色颗粒可以是洋红色乳液聚集调色剂。 根据本公开,一对品红色调色剂的颜色相匹配,其中印刷在基板上的预定半色调区域覆盖的第一品红色调色剂的颜色基本上与固体(100%)印刷贴片的颜色匹配 第二品红色调色剂比第一品红色调色剂轻,从而避免了印刷品上可见的色调偏移,否则会令人反感。 在实施方案中,通过添加色调调节着色剂或吸收400至500纳米之间的光的波长的着色剂的组合,并且可选地添加调色剂或着色剂的组合,所述着色剂吸收波长的光 600和700纳米。
    • 10. 发明授权
    • Toner containing fluorescent nanoparticles
    • 含有荧光纳米颗粒的调色剂
    • US08541154B2
    • 2013-09-24
    • US12245820
    • 2008-10-06
    • Gabriel IftimeDaryl W. VanbesienMaria M. BirauJordan H. WosnickPeter M. Kazmaier
    • Gabriel IftimeDaryl W. VanbesienMaria M. BirauJordan H. WosnickPeter M. Kazmaier
    • G03G9/09G03G9/093
    • G03G9/0804G03G9/08755G03G9/0926G03G9/093
    • A method for making toners to include at least one nanoscale fluorescent pigment particle composition and/or a fluorescent organic nanoparticle composition. The particles are incorporated into emulsion of toner and used in making toner via emulsion aggregation. Such toners may have a core and/or a shell and the clay composites may be included within the core, the shell or both. The fluorescent organic nanoparticle composition includes a polymeric matrix obtained by modified EA latex process and/or emulsion polymerization and one or more fluorescent dyes and the nanoscale fluorescent pigment particle composition includes pigment molecules with at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer, and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
    • 一种制备调色剂以包含至少一种纳米级荧光颜料颗粒组合物和/或荧光有机纳米颗粒组合物的方法。 将颗粒结合到调色剂的乳液中并用于通过乳液聚集制备调色剂。 这种调色剂可以具有芯和/或壳,并且粘土复合物可以包含在芯,壳或两者中。 荧光有机纳米颗粒组合物包括通过改性EA胶乳法和/或乳液聚合获得的聚合物基质和一种或多种荧光染料,并且纳米级荧光颜料颗粒组合物包括具有至少一个官能部分的颜料分子和包含 至少一个官能团,颜料的官能部分与稳定剂的官能团非共价结合,并且相关稳定剂的存在限制了颗粒生长和聚集的程度,以提供纳米尺寸的颜料颗粒。