Production process of polymerized toner
    22.
    发明授权
    Production process of polymerized toner 有权
    聚合调色剂的生产工艺

    公开(公告)号:US07682768B2

    公开(公告)日:2010-03-23

    申请号:US11340500

    申请日:2006-01-27

    Inventor: Hisashi Kurokawa

    Abstract: A process for producing a polymerized toner, comprising the step of polymerizing a polymerizable monomer composition containing a polymerizable monomer and a colorant in the presence of a polymerization initiator in an aqueous dispersion medium to form colored polymer particles, the process comprising the steps of mixing the polymerizable monomer with the colorant to prepare a polymerizable monomer mixture having an initial viscosity of 10 to 3,000 mPa·s or 0.3 to 1 mPa·s as measured at 25° C. by a Brookfield type viscometer, and then feeding the polymerizable monomer mixture to a media type dispersing machine to finely disperse the colorant by the media type dispersing machine, thereby preparing a dispersed polymerizable monomer mixture having a viscosity after the dispersion, the ratio of increase in viscosity of which is 1.0 to 10 times or 100 to 2,000 times as high as the initial viscosity.

    Abstract translation: 一种制备聚合调色剂的方法,包括在聚合引发剂存在下在水性分散介质中聚合包含可聚合单体和着色剂的可聚合单体组合物形成着色聚合物颗粒的步骤,该方法包括以下步骤: 可聚合单体与着色剂混合以制备在Brookfield型粘度计在25℃下测定的初始粘度为10-3000mPa·s或0.3〜1mPa·s的可聚合单体混合物,然后将可聚合单体混合物 介质型分散机,通过介质型分散机精细分散着色剂,由此制备分散后具有粘度的分散可聚合单体混合物,其粘度增加比例为1.0至10倍或100至2,000倍 高为初始粘度。

    Color toner for non-magnetic mono-component system for increasing printing quality and a method for preparing the same
    23.
    发明授权
    Color toner for non-magnetic mono-component system for increasing printing quality and a method for preparing the same 失效
    用于提高印刷质量的非磁性单组分体系的彩色调色剂及其制备方法

    公开(公告)号:US07592114B2

    公开(公告)日:2009-09-22

    申请号:US11332511

    申请日:2006-01-17

    Abstract: The present invention relates to a color toner for a nonmagnetic mono-component printing system that improves the printing characteristics, and a preparation method thereof. More specifically, the present invention provides a color toner including a first coating layer and a second coating layer formed on a toner mother particle, wherein the first coating layer contains coated organic powders where two kinds of organic powders are coated with each other, and the second coating layer contains coated inorganic powders where silica and titanium dioxide are coated with each other. The color toner of the present invention has a narrow charge distribution, good image density, high transfer efficiency, excellent long-term stability, and reduced PCR contamination, thereby being good for use in high speed color printers, etc., employing a direct type or a tandem type of transfer system.

    Abstract translation: 本发明涉及一种提高印刷特性的非磁性单组分印刷系统的彩色调色剂及其制备方法。 更具体地,本发明提供了一种彩色调色剂,其包括形成在调色剂母粒上的第一涂层和第二涂层,其中第一涂层含有涂布有机粉末,其中两种有机粉末彼此涂布, 第二涂层包含涂覆的无机粉末,其中二氧化硅和二氧化钛彼此涂覆。 本发明的彩色调色剂具有电荷分布窄,图像密度高,转印效率高,长期稳定性优异,PCR污染减少,因此适用于高速彩色打印机等,采用直接型 或串联式传输系统。

    Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming method
    25.
    发明授权
    Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming method 有权
    树脂粒子及其制造方法,静电潜像显影用调色剂及其制造方法,静电潜像显影剂以及成像方法

    公开(公告)号:US07420020B2

    公开(公告)日:2008-09-02

    申请号:US11075816

    申请日:2005-03-10

    Abstract: A producing method of resin particles, which comprises at least an emulsification step of emulsifying a composition containing at least a polymerizable monomer and a polymerization step to form droplets of the composition, and a polymerization step of polymerizing the polymerizable monomer in the droplets to synthesize resin particles, wherein the composition is one selected from Composition A, Composition B, or Composition C: (Composition A): a composition containing a vinyl-based monomer, lactone, a vinyl-based monomer polymerization catalyst for polymerizing the vinyl-based monomer, and a lactone polymerization catalyst for polymerizing the lactone (Composition B): a composition containing a polyester resin, lactone, and a lactone catalyst for polymerizing the lactone (Composition C): a composition containing a vinyl-based monomer, a cyclic keteneacetal compound represented by the following general formula (1), and a radical polymerization initiator (in the general formula (1), R represents a chain or cyclic divalent aliphatic group optionally containing an ether linkage, and the aliphatic group may have a substituent.)

    Abstract translation: 一种树脂颗粒的制造方法,其至少包括乳化含有至少可聚合单体的组合物和聚合步骤以形成组合物的液滴的乳化步骤,以及使可聚合单体在液滴中聚合以合成树脂的聚合步骤 颗粒,其中所述组合物是选自组合物A,组合物B或组合物C的组合物:(组合物A):包含乙烯基类单体,内酯,用于使乙烯基类单体聚合的乙烯基类单体聚合催化剂的组合物, 和内酯聚合用内酯聚合催化剂(组合物B):含有聚酯树脂,内酯和内酯的内酯催化剂的组合物(组合物C):含有乙烯基类单体的组合物,代表的环状烯酮缩醛化合物 通过下述通式(1)和自由基聚合引发剂(在通式(1)中,R re 呈现任选含有醚键的链或环状二价脂族基,脂族基可以具有取代基)

    Toner, method for producing the same, and image-forming method using the same
    26.
    发明授权
    Toner, method for producing the same, and image-forming method using the same 有权
    调色剂,其制造方法和使用该调色剂的成像方法

    公开(公告)号:US07396625B2

    公开(公告)日:2008-07-08

    申请号:US11520642

    申请日:2006-09-14

    Abstract: To provide a method for producing a toner in which at least monomers are polymerized in at least one of a supercritical fluid and a subcritical fluid to thereby produce toner particles, wherein at least one of the supercritical fluid and the subcritical fluid contains a fluorine-containing surfactant, and a polymer resulted from polymerization of the monomers is insoluble in at least one of the supercritical fluid and the subcritical fluid, and provide a toner produced by the method for producing the toner.

    Abstract translation: 提供一种制造调色剂的方法,其中至少单体在至少一种超临界流体和亚临界流体中聚合,从而产生调色剂颗粒,其中至少一种超临界流体和亚临界流体含有含氟的 表面活性剂和由单体聚合产生的聚合物不溶于超临界流体和亚临界流体中的至少一种,并提供通过生产调色剂的方法产生的调色剂。

    Black toner
    28.
    发明申请
    Black toner 失效
    黑色墨粉

    公开(公告)号:US20040058264A1

    公开(公告)日:2004-03-25

    申请号:US10629751

    申请日:2003-07-30

    Abstract: To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 nullm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 nullm or more is 0.915 to 0.960; loss tangent tan null(103 to 104 Hz) of the toner is represented by the following expression: tan null(103 to 104 Hz)null0.0060 where the loss tangent tan null is represented by nullnull/nullnull where nullnull denotes dielectric loss factor and nullnull denotes dielectric constant, and tan null(103 to 104 Hz) denotes the loss tangent in a frequency range of 103 to 104 Hz; and a ratio of tan null(105 Hz) to tan null(5 X 104 Hz) is represented by the following expression: 1.05 nulltan null(105 Hz)/tan null(5null104 Hz)null1.40 where tan null(105 Hz) denotes loss tangent at the frequency of 105 Hz and tan null(5null104 Hz) denotes loss tangent at the frequency of 5null104 Hz.

    Abstract translation: 为了提供具有优异的充电性能和转印性能的黑色调色剂,以防恶劣的环境变化。 黑色调色剂包括至少含有粘合剂树脂,炭黑和脱模剂的调色剂颗粒,其中:调色剂颗粒的重均粒径为3.5-8.0μm; 调色剂的酸值和羟值的总量为30〜75mgKOH / g; 圆当量直径为2μm以上的调色剂中所含的颗粒的平均圆形度为0.915〜0.960, 调色剂的损耗角正切tanδ(10 3至10 4 Hz)由以下表达式表示:tanδ(10 3至10 4 Hz)<= 0.0060其中损耗角正切tanδ为 由ε“/ epsilon”表示,其中ε“表示介电损耗因子,ε”表示介电常数,tanδ(10 <3至10> 4Hz)表示在10 3的频率范围内的损耗角正切值 至10 4 Hz; 并且tanδ(10.5Hz)与tanδ(5×10-4Hz)的比率由以下表达式表示:1.05 <= TAN DELTA(10Hz)/tanδ(5×10 5 Hz) 4> Hz)<= 1.40其中tanδ(10,5Hz)表示在10Hz的频率下的损耗角正切,tanδ(5×10 -4 Hz)表示频率为5×10 4的损耗角正切, 赫兹。

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