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    Color-blind melt flow index properties for toners
    1.
    发明授权
    Color-blind melt flow index properties for toners 有权
    调色剂的色盲熔体流动指数特性

    公开(公告)号：US06406822B1

    公开(公告)日：2002-06-18

    申请号：US09671997

    申请日：2000-09-29

    申请人： Scott M. Silence ,  Joo T. Chung ,  James M. Proper ,  Edward J. Gutman ,  James G. Stenzel ,  Kip L. Jugle ,  Yelena Shapiro ,  James A. Winters ,  Maria M. Barden ,  John S. Walters

    发明人： Scott M. Silence ,  Joo T. Chung ,  James M. Proper ,  Edward J. Gutman ,  James G. Stenzel ,  Kip L. Jugle ,  Yelena Shapiro ,  James A. Winters ,  Maria M. Barden ,  John S. Walters

    IPC分类号： G03G908

    CPC分类号： G03G9/0821 ,  G03G9/08797 ,  G03G9/097 ,  G03G9/09708 ,  G03G9/09783

    摘要： At least three differently colored toners, designed for use together in forming a color image in an image developing device, have substantially the same melt flow index value. By substantially matching the melt flow index values of at least three toners of a set of toners, it has been found that the resultant color image has an overall excellent image quality, i.e., an excellent overall gloss level without any gloss banding. The toners may be made to have substantially the same melt flow index value in a carefully controlled process that includes forming a single toner by feeding at least one binder and at least one colorant into a mixing device to form a mixture, upon exit of the mixture from the mixing device, measuring a rheology property of the mixture with at least one monitoring device, and comparing the measured rheology property to a target property range that the measured rheology property must be within in order for the single toner to achieve the desired melt flow index value, wherein if the measuring indicates that the rheology property is outside of the target property range, feed amounts of the at least one binder or of the at least one colorant into the mixing device are adjusted, grinding the mixture, optionally together with a portion of one or more external additives to be added to the mixture, classifying the ground mixture, mixing the classified mixture with one or more external surface additives to obtain the single toner having the desired melt flow index value, and repeating the steps for each additional differently colored toner.

    摘要翻译： 设计用于在图像显影装置中形成彩色图像一起使用的至少三种不同颜色的调色剂具有基本上相同的熔体流动指数值。 通过基本上匹配一组调色剂的至少三种调色剂的熔体流动指数值，已经发现所得到的彩色图像具有总体优异的图像质量，即没有任何光泽条纹的优异的整体光泽度。 调色剂可以在仔细控制的方法中具有基本上相同的熔体流动指数值，包括通过在混合物出口时将至少一种粘合剂和至少一种着色剂进料到混合装置中形成混合物来形成单一调色剂 从混合装置测量混合物与至少一个监测装置的流变性质，并将所测量的流变性能与所测量的流变性能必须在其中的目标性能范围进行比较，以使单个调色剂达到所需的熔体流动 指数值，其中如果测量表明流变性能在目标特性范围之外，则调节至少一种粘合剂或至少一种着色剂进入混合装置的进料量，任选地与 一部分添加到混合物中的外部添加剂，将研磨的混合物分级，将分级的混合物与一个或多个外表面 添加剂以获得具有所需熔体流动指数值的单一调色剂，并且对于每种附加的不同颜色的调色剂重复步骤。

    Process for making an improved toner with increased surface additive adhesion and optimized cohesion between particles and toner made using the improved process
    9.
    发明授权
    Process for making an improved toner with increased surface additive adhesion and optimized cohesion between particles and toner made using the improved process 有权
    制备具有增加的表面添加剂粘附性的改进的调色剂的方法和使用改进方法制备的颗粒和调色剂之间的优化内聚力

    公开(公告)号：US06599673B2

    公开(公告)日：2003-07-29

    申请号：US10321967

    申请日：2002-12-17

    申请人： Samir Kumar ,  Juan A. Morales-Tirado ,  D. Paul Casalmir ,  Scott M. Silence ,  Ying S. Molisani ,  James M. Proper ,  Paul L. Jacobs ,  Geraldine Baer

    发明人： Samir Kumar ,  Juan A. Morales-Tirado ,  D. Paul Casalmir ,  Scott M. Silence ,  Ying S. Molisani ,  James M. Proper ,  Paul L. Jacobs ,  Geraldine Baer

    IPC分类号： G03G910

    CPC分类号： G03G9/10 ,  G03G9/0808

    摘要： The present invention relates to a toner and process for making the improved toner. The improved toner comprises a toner resin comprising: at least one colorant; (b) at least one toner resin mixed with the colorant and formed into combined colorant and resin particles having an average size less than 15 microns; and (c) surface additive particles wherein the surface additives are adhered to the colorant and toner resin by an impaction process in a quantity greater than three (3) percent of the combined weight of resin and colorant in the toner. The invention also relates to an improved process for making toners, comprising: (a) forming toner particles averaging 4 to 10 microns in size and comprised of at least one toner resin and at least one colorant; and (b) blending sufficient surface additive particles and the toner particles in a high intensity blender for less than 10 minutes such that the weight of surface additives that become attached to toner particles is greater than three (3) percent of the weight of the classified particles

    摘要翻译： 本发明涉及调色剂和制备改进的调色剂的方法。 改进的调色剂包括调色剂树脂，其包括：至少一种着色剂; （b）与着色剂混合的至少一种调色剂树脂，并形成组合的着色剂和平均尺寸小于15微米的树脂颗粒; 和（c）表面添加剂颗粒，其中表面添加剂通过冲击过程粘附到着色剂和调色剂树脂上，其量大于调色剂中树脂和着色剂的组合重量的三（3）％。 本发明还涉及一种用于制备调色剂的改进方法，包括：（a）形成平均尺寸为4至10微米的调色剂颗粒，并由至少一种调色剂树脂和至少一种着色剂组成; 和（b）将足够的表面添加剂颗粒和调色剂颗粒在高强度混合器中混合少于10分钟，使得附着于调色剂颗粒的表面添加剂的重量大于分类的重量的三（3）％ 粒子