Method for forming an electrophotographic image
    22.
    发明申请
    Method for forming an electrophotographic image 有权
    电子照相图像形成方法

    公开(公告)号:US20050208398A1

    公开(公告)日:2005-09-22

    申请号:US11042510

    申请日:2005-01-26

    摘要: An electrophotographic image forming method is disclosed, which includes the steps of developing an electrostatic image on a electrophotographic photoreceptor by a developer, transferring a toner image formed by the development, and fixing the toner image on a recording medium. It is disclosed that a toner has a volume particle diameter (Dv50) of about 4.4 to about 5.8 μm and displays two or more endothermic peaks measured by DSC being within the rang of from about 50 to about 73° C. and the endothermic heat amount thereof is from 12.6 to 24.5 J/mg and a transferring member and/or a fixing member constituted by a belt containing a polyimide resin are employed in the method.

    摘要翻译: 公开了一种电子照相图像形成方法,其包括以下步骤:通过显影剂在电子照相感光体上显影静电图像,转印通过显影形成的调色剂图像,并将调色剂图像定影在记录介质上。 公开了一种调色剂的体积粒径(Dv50)为约4.4至约5.8μm,并且显示通过DSC测量的两个或更多个吸热峰在约50至约73℃的范围内,吸热量 为12.6〜24.5J / mg,在该方法中使用由含有聚酰亚胺树脂的带构成的转印体和/或固定部件。

    Image forming method and electrostatic image developing toner
    23.
    发明授权
    Image forming method and electrostatic image developing toner 有权
    图像形成方法和静电图像显影调色剂

    公开(公告)号:US06689522B2

    公开(公告)日:2004-02-10

    申请号:US10126255

    申请日:2002-04-19

    IPC分类号: G03G1301

    摘要: An image forming method, comprising steps of: forming a latent image on a photoreceptor having an electrically conductive support having thereon a charge generating layer and a charge transporting layer; developing the latent image with a developer containing a toner to form a toner image on the photoreceptor; and transferring the toner image onto an image receiving member, wherein the ratio of 50% volume particle diameter to 50% number particle diameter of the toner is within the range of 1.0 to 1.15, the ratio of the cumulative 75% volume particle diameter from the largest particle diameter to the cumulative 75% number particle diameter from the largest particle diameter of the toner is 1.0 to 1.20 and the number of toner particles having a particle diameter of not larger than 0.7×Dp50 is at most 10% of the number of all the toner particles in the toner.

    摘要翻译: 一种图像形成方法,包括以下步骤:在其上具有电荷产生层和电荷输送层的导电载体的感光体上形成潜像; 用含有调色剂的显影剂显影潜像以在感光体上形成调色剂图像; 并将调色剂图像转印到图像接收部件上,其中调色剂的50体积粒径与50%数量的粒径之比在1.0至1.15的范围内,累积的75%体积粒径与 最大粒径与调色剂的最大粒径的累积75%数量的粒径为1.0〜1.20,粒径不大于0.7×Dp50的调色剂颗粒数量为全部数量的10%以下 调色剂中的调色剂颗粒。

    Toner for electrostatic image development and production process thereof
    25.
    发明授权
    Toner for electrostatic image development and production process thereof 有权
    静电图像显影用调色剂及其制造方法

    公开(公告)号:US08722295B2

    公开(公告)日:2014-05-13

    申请号:US13612038

    申请日:2012-09-12

    IPC分类号: G03G9/087 G03G9/08

    摘要: Disclosed are a low-environmental load toner for electrostatic image development and a production process of the toner.The toner for electrostatic image development includes toner particles containing a resin. The resin contains a vinyl polymer having a structural unit represented by the following general formula (1): [in the general formula (1), R1 is a hydrogen atom, —CH2OH, —CH2OR2, or —CH2O(C═O)R3, and R2 and R3 are each an alkyl group having 1 to 8 carbon atoms].

    摘要翻译: 公开了用于静电图像显影的低环境负荷调色剂和调色剂的制备方法。 用于静电图像显影的调色剂包括含有树脂的调色剂颗粒。 该树脂含有具有下述通式(1)表示的结构单元的乙烯基聚合物:[通式(1)中,R 1为氢原子,-CH 2 OH,-CH 2 OR 2或-CH 2 O(C = O)R 3 ,R2和R3各自为碳原子数为1〜8的烷基]。

    Both-sided image forming method
    28.
    发明授权
    Both-sided image forming method 有权
    双面成像方法

    公开(公告)号:US07914964B2

    公开(公告)日:2011-03-29

    申请号:US11780812

    申请日:2007-07-20

    IPC分类号: G03G5/00

    CPC分类号: G03G15/235 G03G2215/0607

    摘要: An image forming method of forming images on both sides of a recording sheet; comprising the steps of: fixing a first toner image on a first surface a recording sheet; and fixing a second toner image on a second surface of the recording sheet; wherein in two-component developer includes toner particles each containing a binder resin having a glass transition temperature Tg° C. and a colorant and carrier particles in each on which magnetic powder is dispersed in a binder resin including a phenol formaldehyde obtained by a polymerization process, and the first toner image is fixed with first heat in such a way that the surface temperature of the first surface of the recording sheet is a temperature in a range of Tg° C. or more and lower than 100° C.

    摘要翻译: 一种在记录纸的两面上形成图像的图像形成方法; 包括以下步骤:将第一调色剂图像固定在记录片材的第一表面上; 以及将第二调色剂图像固定在所述记录片材的第二表面上; 其中在双组分显影剂中包括各自含有玻璃化转变温度Tg℃的粘合剂树脂的调色剂颗粒和各自的磁性粉末分散在包含通过聚合方法获得的酚醛树脂的粘合剂树脂中的着色剂和载体颗粒 并且第一调色剂图像以第一热量固定,使得记录片材的第一表面的表面温度为Tg℃以上且低于100℃的温度。

    Toner production method and toner production apparatus
    29.
    发明授权
    Toner production method and toner production apparatus 失效
    调色剂生产方法和调色剂生产设备

    公开(公告)号:US07452654B2

    公开(公告)日:2008-11-18

    申请号:US11233701

    申请日:2005-09-23

    IPC分类号: G03G9/08

    摘要: A toner production method includes the step of: controlling a shape of toner particles in a shape controlling region to control the shape of toner particles in a water based medium, wherein the shape controlling region has a toner channel for the toner particles and a temperature controller capable of controlling at least two zones.

    摘要翻译: 调色剂生产方法包括以下步骤:控制形状控制区域中的调色剂颗粒的形状以控制水基介质中的调色剂颗粒的形状,其中形状控制区域具有用于调色剂颗粒的调色剂通道和温度控制器 能够控制至少两个区域。

    TWO COMPONENT DEVELOPER
    30.
    发明申请
    TWO COMPONENT DEVELOPER 审中-公开
    两个组件开发商

    公开(公告)号:US20080233507A1

    公开(公告)日:2008-09-25

    申请号:US12013158

    申请日:2008-01-11

    IPC分类号: G03G9/087

    摘要: A two component developer used in an electrophotographic method composed of a toner containing at least a resin and a colorant, and a carrier, is disclosed. The resin is composed of a polyester resin and a styrene-acryl resin, in which the polyester resin is prepared via condensation-polymerization of a polyvalent carboxylic acid and a polyol in a state where a styrene monomer and an acrylate monomer exist in an aqueous medium containing an acidic compound, followed by formation of the styrene-acryl resin via radical polymerization of the styrene monomer and the acrylate monomer; and the carrier comprises magnetic material powder dispersed in a binder resin, and has a volume based median diameter of 10 μm-100 μm, a shape factor SF-1 of 1.0-1.2, and a shape factor SF-2 of 1.1-2.5.

    摘要翻译: 公开了一种用于由至少包含树脂和着色剂的调色剂和载体组成的电子照相方法中使用的双组分显影剂。 该树脂由聚酯树脂和苯乙烯 - 丙烯酸树脂组成,其中聚酯树脂是通过多价羧酸和多元醇在水性介质中存在苯乙烯单体和丙烯酸酯单体的状态下进行缩聚制得的 含有酸性化合物,然后通过苯乙烯单体和丙烯酸酯单体的自由基聚合形成苯乙烯 - 丙烯酸树脂; 载体包含分散在粘合剂树脂中的磁性材料粉末,体积基准中值粒径为10〜100μm,形状因子SF-1为1.0〜1.2,形状因子SF-2为1.1〜2.5。