Toner, developer and image forming apparatus
    44.
    发明授权
    Toner, developer and image forming apparatus 有权
    调色剂,显影剂和成像装置

    公开(公告)号:US09523931B2

    公开(公告)日:2016-12-20

    申请号:US14168172

    申请日:2014-01-30

    摘要: To provide a toner, which contains silica particles containing first silica particles, and second silica particles, wherein the toner is a toner produced by depositing the silica particles on surfaces of base particles, the first silica particles have an average primary particle diameter of 75 nm to 250 nm, the second silica particles have an average primary particle diameter of 10 nm to 50 nm, a mass ratio of the first silica particles to the base particles is 0.010 to 0.040, a mass ratio of the second silica particles to the base particles is 0.005 to 0.030, a liberation ratio of the silica particles from the toner by a ultrasonic vibration method is 5% by mass to 20% by mass, and an amount of particles having primary particle diameters of 30 nm or smaller in the silica particles librated from the toner by the ultrasonic vibration method is 20% by number or less.

    摘要翻译: 为了提供含有含有第一二氧化硅颗粒的二氧化硅颗粒的调色剂和第二二氧化硅颗粒,其中调色剂是通过将二氧化硅颗粒沉积在基础颗粒的表面上而制备的调色剂,第一二氧化硅颗粒的平均一次粒径为75nm 至250nm,第二二氧化硅粒子的平均一次粒径为10nm〜50nm,第一二氧化硅粒子与基础粒子的质量比为0.010〜0.040,第二二氧化硅粒子与基础粒子的质量比 为0.005〜0.030,通过超声波振动法从调色剂得到的二氧化硅粒子的释放率为5质量%〜20质量%,二氧化硅粒子中的初级粒径为30nm以下的粒子的量分解 从调色剂通过超声波振动法是20%以下。

    Image forming method, toner and image forming apparatus
    48.
    发明授权
    Image forming method, toner and image forming apparatus 有权
    图像形成方法,调色剂和图像形成装置

    公开(公告)号:US08748071B2

    公开(公告)日:2014-06-10

    申请号:US12273870

    申请日:2008-11-19

    IPC分类号: G03G9/00 G03G15/08

    摘要: To provide an image forming method including conveying a toner by means of a toner supply device that supplies the toner from inside a toner housing container into a developer housing section of a developing device with the use of a screw pump, and forming an image on a recording medium by developing a latent image on a latent image bearing member to form a toner image with the use of a developer and by transferring the toner image to the recording medium by means of a transfer device, wherein the toner is formed by adding small particle size silica to toner base particles, and wherein when A represents the average degree of circularity of the toner, and B, expressed as percent by mass, represents the amount of the small particle size silica relative to the mass of the toner base particles, the expression −18A+17.92≦B≦−34A+33.96 is satisfied.

    摘要翻译: 提供一种图像形成方法,包括通过使用螺杆泵将调色剂从调色剂容纳容器内部供应到显影装置的显影剂容纳部分中的调色剂供应装置输送调色剂,并且在 记录介质,通过在潜像承载部件上显影潜像以利用显影剂形成调色剂图像,并通过转印装置将调色剂图像转印到记录介质上,其中调色剂通过加入小颗粒形成 尺寸二氧化硅与调色剂基础颗粒,并且其中当A表示调色剂的平均循环度时,以质量百分比表示的B表示相对于调色剂基础颗粒的质量的小粒径二氧化硅的量, 表达-18A + 17.92≦̸ B≦̸ -34A + 33.96。