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    • 6. 发明公开
    • Dendrimeric toner particles for liquid electrophotography
    • Dendrimere TonerteilchenfürdieFlüssig-Elektrophotographie
    • EP0726502A1
    • 1996-08-14
    • EP95309125.3
    • 1995-12-14
    • Hewlett-Packard Company
    • Russell, Dale D.Bearss, James G.
    • G03G9/135G03G9/13G03G9/08C09B69/10G03G13/10
    • C08G83/003C09B68/22C09B68/44C09B69/10C09D201/005G03G9/133G03G9/135G03G9/1355G03G13/10
    • This invention comprises a single-component dendrimeric toner particle (10, 30), and methods of making and using the toner particle (10, 30) in the liquid EP process. By using dendrimeric chemistry, a dendrimeric toner particle (10, 30) may be made that has controlled content, structure and size and that includes a colorant (11), a binder, and a charge director (34). The toner particles (10, 30) made this way will have high uniformity, so that toner dispersions containing them may be made to have good stability, print performance, and quality control. The colorant (11) of choice for the toner particle is made the core (40) of the dendrimer toner particle (10, 30). Dendrons (24, 38), which are made of generations of building or polymer units (13, 16), branch out from the core (40) and include a resin or other binder molecule, for binding the colorant (11) to the paper in the EP process. One or more of the final polymer units (20), located at the terminus of the dendrons (24, 38), comprise a coordinating or chelating agent (32) for the toner charge director (34).
    • 本发明包括单组分树枝状大分子调色剂颗粒(10,30),以及在液体EP方法中制备和使用调色剂颗粒(10,30)的方法。 通过使用树枝状大分子化学,可以制备具有受控含量,结构和尺寸并包括着色剂(11),粘合剂和电荷导向剂(34)的树枝状大分子调色剂颗粒(10,30)。 以这种方式制成的调色剂颗粒(10,30)将具有高均匀性,使得含有它们的调色剂分散体可以制成具有良好的稳定性,印刷性能和质量控制。 用于调色剂颗粒的着色剂(11)被制成树枝状聚合物调色剂颗粒(10,30)的芯(40)。 由构建或聚合物单元(13,16)的几代构成的树皮(24,38)从芯部(40)分出并且包括用于将着色剂(11)粘合到纸张上的树脂或其它粘合剂分子 在EP过程中。 位于树突(24,38)的末端的一个或多个最终聚合物单元(20)包括用于调色剂电荷导向器(34)的配位剂或螯合剂(32)。
    • 10. 发明公开
    • Toner fluid dispersions, metallic images, and thermal mass transfer thereof
    • FlüssigeTonerdispersionen,Metallbilder und deren thermischeÜbertragung。
    • EP0373776A2
    • 1990-06-20
    • EP89312102.0
    • 1989-11-22
    • MINNESOTA MINING AND MANUFACTURING COMPANY
    • Lamanna, William M. c/o Minnesota Mining andChou, Hsin-Hsin c/o Minnesota Mining andWright, Robin E. c/o Minnesota Mining and
    • G03G9/12G03G7/00
    • G03G13/10G03G9/12G03G9/122H05K3/1266H05K2203/0517
    • The present invention provides a process for thermal mass transfer of metallic images, the process comprising the steps of

      a) providing

      1) a toner fluid dispersion comprising electrostatically charged, colloidal elemental metal particles dispersed in an electrically nonconductive organic carrier liquid and an amount of a soluble surfactant effective to charge and stabilize said dispersion,
      2) a dielectric or photoconductive substrate, and
      3) a thermoplastic receptor substrate,

      b) electrophoretically depositing the charged colloidal elemental metal particles of the toner fluid in a uniform or imagewise fashion on the dielectric or photoconductive substrate using standard electrographic techniques to provide a donor substrate bearing an electrically nonconductive, colloidal, elemental metal coating thereon;
      c) transferring, by application of energy, said metal coating from said donor substrate to said thermoplastic receptor substrate, to provide a metallic image on said receptor substrate,
      d) optionally, subjecting the colloidal, elemental metal coated donor or receptor substrate to an electroless metal plating solution to provide a second elemental metal coating which is electrically conductive on said substrate.
    • 本发明提供了一种用于金属图像的热质量传递的方法,该方法包括以下步骤:a)提供1)调色剂流体分散体,其包含分散在非导电有机载体液体中的静电荷的胶体元素金属颗粒, 有效地对所述分散体进行充电和稳定的可溶性表面活性剂,2)电介质或感光基材,和3)热塑性受体底物,b)将调色剂流体的带电胶体元素金属颗粒以均匀或成像方式电泳沉积在电介质上或 光电导基底,使用标准电摄影技术提供在其上承载不导电的胶体元素金属涂层的供体基底; c)通过施加能量将所述金属涂层从所述供体基底转移到所述热塑性受体底物上,以在所述受体底物上提供金属图像,d)任选地使所述胶态元素金属涂覆的供体或受体底物经受无电解 金属电镀溶液以提供在所述衬底上导电的第二元素金属涂层。 一个