Developing system for forming a full-color image
    4.
    发明授权
    Developing system for forming a full-color image 失效
    用于形成全彩图像的开发系统

    公开(公告)号:US06459874B2

    公开(公告)日:2002-10-01

    申请号:US09778951

    申请日:2001-02-08

    IPC分类号: G03G1501

    CPC分类号: G03G13/013 G03G2215/0177

    摘要: A developing system is provided for forming a full-color image, which includes (i) a first developing device which is equipped with a developer-supporting member having a mean crest distance (Sm) of 20-200 &mgr;m on its surface and satisfying the following relation: 0.5-30, (ii) a second developing device which is equipped with a developer-supporting member having a mean crest distance (Sm) of 20-200 &mgr;m on its surface and satisfying the following relation: d4, Ra=0.5-3.0, wherein tan &dgr; (50° C.) of the black toner is not more than 1.0, and a first ratio of tan &dgr; and a first ratio tan 6 represented by (tan 8 (150° C.) of the first color toner (tan 8 (150° C.) of the black toner satisfies the following relation: I the first ratio of tan 8s 1.35.

    摘要翻译: 提供了一种用于形成全色图像的显影系统,其包括(i)第一显影装置,其具有在其表面上具有20-200μm的平均峰距(Sm)的显影剂支撑构件,并且满足 以下关系:(ii)第二显影装置,其具有在其表面上具有20-200μm的平均峰距(Sm)的显影剂支撑构件,并且满足以下关系:其中tanδ(50℃) 的黑色调色剂不大于1.0,并且第一颜色调色剂(tanδ(150℃))的tanδ(150℃)(tanδ(150℃))表示的tanδ和第一比率tan 6的第一比率 黑色调色剂满足以下关系:

    Toner and image forming method
    6.
    发明授权
    Toner and image forming method 失效
    调色剂和成像方法

    公开(公告)号:US07018761B2

    公开(公告)日:2006-03-28

    申请号:US10665590

    申请日:2003-09-18

    IPC分类号: G03G9/08

    摘要: A toner used for an image forming method comprises steps of: limiting an amount of toner on a surface of a toner carrier by allowing a toner layer limiting member to be pressed to the surface of the toner carrier; and developing an electrostatic latent image formed on an electrostatic latent image carrier using the toner carried and transferred by the toner carrier, based on a non-magnetic single component development system, wherein the toner comprises toner particles having a volume average particle diameter of 3 to 9 μm, an arithmetic mean value of shape factor of 1.1 to 1.5, a coefficient of variation of shape factor of 16% or less, a ratio of rounded toner particle of 50% by number or more and a coefficient of variation of number particle diameter distribution of 26% or less, and a conveyance index of 2.0 to 10.0.

    摘要翻译: 用于图像形成方法的调色剂包括以下步骤:通过使调色剂层限制构件被压到调色剂载体的表面上来限制调色剂载体的表面上的调色剂的量; 以及基于非磁性单组分显影系统,使用由调色剂载体承载和转印的调色剂在静电潜像载体上形成静电潜像,其中调色剂包含体积平均粒径为3至 9μm,形状因子的算术平均值为1.1〜1.5,形状因子的变异系数为16%以下,圆形调色剂颗粒的比例为50数量级以上,数量粒径的变化系数 分布为26%以下,输送指数为2.0〜10.0。

    Nonmagnetic monocomponent negatively chargeable color developer

    公开(公告)号:US5905011A

    公开(公告)日:1999-05-18

    申请号:US38904

    申请日:1998-03-12

    摘要: A nonmagnetic monocomponent negatively chargeable color developer which has excellent light transmittancy for overhead projection transparencies, excellent transfer characteristics, charging characteristics, and durability is provided. The nonmagnetic monocomponent negatively chargeable color developer contains color toner particles that contain a chromatic color colorant, binder resin, and charge control agent, and an exterior additive added to the exterior of said toner particles. The binder resin is a linear polyester resin having a softening point of about 100.degree. to about 120.degree. C., the sum of the acid value and the hydroxyl value is about 20 to about 40 KOH mg/g, and the weight-average molecular weight/number-average molecular weight ratio is less than about 10. The charge controller is a boron compound having the general structural formula (A) below: ##STR1## wherein R.sub.1 and R.sub.8 is a substituted or nonsubstituted aryl groups; R.sub.2 and R.sub.4 is a member selected from the group consisting of hydrogen, alkyl group, substituted or nonsubstituted aryl group; X represents a cation, and n is an integer of either 1 or 2. The exterior additive is a hydrophobic silica and hydrophobic titanium dioxide in a hydrophobic silica. The hydrophobic titanium dioxide weight ratio is about 1:1 to about 1:3 by weight. The total specific surface area S of said exterior additive microparticles is about 100 to about 300 (m.sup.2 /g.multidot.wt %), and is determined by equation (1):S=(Ss.multidot.Vs)+(St.multidot.Vt) (1)wherein Ss is the specific surface area (m.sup.2 /g) of the hydrophobic silica; Vs is the additive amount (weight percent) of hydrophobic silica relative to the toner particle; St is the specific surface area (m.sup.2 /g) of the titanium dioxide; and Vt is the additive amount (weight percent) of titanium dioxide relative to the toner particle. The total amount of added exterior additive microparticles is about 0.8 to about 2.5 percent-by-weight relative to the toner particles.

    Toner set and full-color image-forming method suitable for use of the toner set
    9.
    发明授权
    Toner set and full-color image-forming method suitable for use of the toner set 有权
    适用于调色剂组的调色剂和全色成像方法

    公开(公告)号:US06387580B2

    公开(公告)日:2002-05-14

    申请号:US09855538

    申请日:2001-05-16

    IPC分类号: G03G1301

    摘要: The present invention provides a toner-set comprising yellow toner, magenta toner, cyan toner and black toner, in which the black toner comprises black toner particles comprising at least a binder resin and a black pigment and having a standard deviation of degree of roundness of not more than 0.045; the yellow toner comprises yellow toner particles comprising at least a binder resin and a yellow pigment and having a standard deviation of degree of roundness of not more than 0.045 and an average degree of roundness larger than that of the black toner particles, the magenta toner comprises magenta toner particles comprising at least a binder resin and a magenta pigment and having a standard deviation of degree of roundness of not more than 0.045 and an average degree of roundness larger than that of the black toner particles, and the cyan toner comprises cyan toner particles comprising at least a binder resin and a cyan pigment and having a standard deviation of degree of roundness of not more than 0.045 and an average degree of roundness larger than that of the black toner particles. The present invention also provides a method for forming full-color images suitable for use of the toner set.

    摘要翻译: 本发明提供一种包含黄色调色剂,品红色调色剂,青色调色剂和黑色调色剂的调色剂组合物,其中黑色调色剂包括至少包含粘合剂树脂和黑色颜料的黑色调色剂颗粒,并且具有不是圆度的标准偏差 大于0.045;黄色调色剂包含至少包含粘合剂树脂和黄色颜料的黄色调色剂颗粒,其圆度的标准偏差不大于0.045,平均圆度大于黑色调色剂颗粒, 品红色调色剂包括至少包含粘合剂树脂和品红色颜料的品红色调色剂颗粒,其圆度的标准偏差不大于0.045,平均圆度大于黑色调色剂颗粒,而青色调色剂包括 包含至少粘合剂树脂和青色颜料并且具有不为圆度的标准偏差的青色调色剂颗粒 矿石比0.045大,平均圆度大于黑色调色剂颗粒的平均度。本发明还提供一种形成适合于使用调色剂组的全色图像的方法。