Multi-color electrophotographic image formation method
    1.
    发明授权
    Multi-color electrophotographic image formation method 失效
    多色电子照相成像方法

    公开(公告)号:US5344732A

    公开(公告)日:1994-09-06

    申请号:US56826

    申请日:1993-06-30

    CPC分类号: G03G9/0821 G03G13/01

    摘要: A multi-color electrophotographic image formation method of a digital type for forming multi-color images is disclosed, in which latent electrostatic images corresponding to yellow, magenta, cyan and black images separated from an original image are developed with a yellow developer, a magenta developer, a cyan developer and a black developer, respectively to form visible yellow, magenta, cyan and black images, and the visible yellow, magenta, cyan and black images are fixed to an image receiving member, with the reflection image density (ID.sub.ref) and the transmission image density (ID.sub.tr) of the fixed black images formed by the black developer being in the relationship of ID.sub.ref .gtoreq.1.8.times.ID.sub.tr when the deposition of the black developer is in the range of 1.0 mg/cm.sup.2 or less.

    摘要翻译: 公开了一种用于形成多色图像的数字类型的多色电子照相图像形成方法,其中与原始图像分离的对应于黄色,品红色,青色和黑色图像的静电潜像用黄色显影剂,品红色 显影剂,青色显影剂和黑色显影剂,以形成可见的黄色,品红色,青色和黑色图像,并且将可见的黄色,品红色,青色和黑色图像固定到图像接收部件上,其中反射图像密度(IDref) 并且当黑色显影剂的沉积处于1.0mg / cm 2以下时,由黑色显影剂形成的固定黑色图像的透射图像浓度(IDtr)为IDref> / = 1.8xIDtr的关系。

    Triboelectric charge application member for toner comprising copolymer
of fluoro-olefin monomer and unsaturated silicon monomer
    4.
    发明授权
    Triboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomer 失效
    用于包含氟烯烃单体和不饱和硅单体的共聚物的调色剂的摩擦电荷施加构件

    公开(公告)号:US4945022A

    公开(公告)日:1990-07-31

    申请号:US323359

    申请日:1989-03-14

    IPC分类号: G03G9/113 G03G15/08

    摘要: A triboelectric charge application member for imparting or applying electrostatic charge to a toner through the triboelectric charging thereof for developing electrostatic images with the charge toner to visible toner images. The triboelectric charge application member includes an overcoat layer comprising as the main component a polymer which comprises a fluoro-olefin compound and an unsaturated silicon compound as the monomer units of the polymer. The triboelectric charge application member may be carrier particles having the above overcoat layer and a toner transportation member having the overcoat layer, depending upon its application.

    摘要翻译: 一种摩擦电荷施加构件,用于通过其摩擦带电赋予调色剂静电电荷,用于将带有充电调色剂的静电图像显影成可见的调色剂图像。 摩擦带电施加构件包括外涂层,其包含作为主要组分的聚合物,其包含氟代烯烃化合物和不饱和硅化合物作为聚合物的单体单元。 根据其应用,摩擦电荷施加构件可以是具有上述外涂层的载体颗粒和具有外涂层的调色剂输送构件。

    Silicone resin coated carrier particles for use in a two-component
dry-type developer
    6.
    发明授权
    Silicone resin coated carrier particles for use in a two-component dry-type developer 失效
    用于双组分干式显影剂的硅树脂涂层载体颗粒

    公开(公告)号:US4584254A

    公开(公告)日:1986-04-22

    申请号:US716143

    申请日:1985-03-26

    IPC分类号: G03G9/10 G03G9/113

    摘要: Carrier particles for use in a two-component dry-type developer for developing latent electrostatic images are disclosed, which core particle comprises a core particle and a silicone resin layer coated on the core particles, and the silicone resin layer contains an organic tin compound, which serves as a catalyst for hardening the silicone resin layer in the course of the formation of the silicone resin layer on the core particle under application of heat thereto, with a concentration gradient in the direction of the thickness of the silicone resin layer towards the outer surface of the carrier particles.

    摘要翻译: 公开了用于显影静电图像的双组分干式显影剂中的载体颗粒,该核心颗粒包含芯颗粒和涂覆在芯颗粒上的硅树脂层,并且硅树脂层含有有机锡化合物, 其用作在加热时在芯颗粒上形成有机硅树脂层的过程中使硅树脂层硬化的催化剂,其中硅树脂层的厚度方向的浓度梯度朝向外部 载体颗粒的表面。

    Dry type toner for electrophotography
    7.
    发明授权
    Dry type toner for electrophotography 失效
    用于电子照相的干式调色剂

    公开(公告)号:US5061588A

    公开(公告)日:1991-10-29

    申请号:US338599

    申请日:1989-04-14

    IPC分类号: G03G9/087

    CPC分类号: G03G9/08753 Y10S430/105

    摘要: A dry type toner for electrophotography is disclosed which comprises as the main components (a) a coloring agent; and (b) a polyol resin serving as a binder agent in an effective amount, the polyol resin being prepared by subjecting a bisphenol-type epoxy resin containing epoxy groups, which may contain secondary hydroxyl groups, to reaction steps (1), (2) and (3), or steps (2) and (3), in any sequential combination, until substantially no epoxy groups remain in the polyol resin, wherein the reaction step (1) comprises a step of causing the epoxy groups in the bisphenol-type epoxy resin to react with a primary amine; the reaction step (2) comprising a step of causing the epoxy groups to react with a compound containing one active hydrogen capable of reacting with the epoxy groups; and the reaction step (3) comprising a step of esterifying at least part of the secondary hydroxyl groups or hydroxyl groups produced in the bisphenol-type epoxy resin by reaction step (1) and/or reaction step (2) by use of an esterifying agent.

    摘要翻译: 公开了用于电子照相的干式调色剂,其包含作为主要组分(a)着色剂; 和(b)作为有效量的粘合剂的多元醇树脂,所述多元醇树脂通过将含有可以含有仲羟基的环氧基的双酚型环氧树脂进行反应步骤(1),(2) )和(3)或步骤(2)和(3),以任何顺序的组合,直到基本上没有环氧基保留在多元醇树脂中,其中反应步骤(1)包括使双酚 型环氧树脂与伯胺反应; 反应步骤(2)包括使环氧基与含有能够与环氧基反应的一个活性氢的化合物反应的步骤; 反应步骤(3)包括通过反应步骤(1)和/或反应步骤(2)通过使用酯化反应步骤(1)和/或反应步骤(2)酯化在双酚型环氧树脂中产生的至少一部分仲羟基或羟基的步骤 代理商