Dry toner for developing electrostatic images
    1.
    发明授权
    Dry toner for developing electrostatic images 有权
    用于显影静电图像的干燥调色剂

    公开(公告)号:US06861191B2

    公开(公告)日:2005-03-01

    申请号:US10059239

    申请日:2002-01-31

    IPC分类号: G03G9/087

    CPC分类号: G03G9/08753 G03G9/08755

    摘要: A dry toner for developing electrostatic images, including a colorant and a binder resin which comprises a copolymer resin having (A) a polyol resin moiety having a main chain of polyoxyalkylene and obtained by reaction of (a) an epoxy resin, (b) a dihydric phenol, and (c) an alkylene oxide adduct of a dihydric phenol or a glycidyl ether thereof; and (B) a polyester resin moiety obtained by reacting an alkylene oxide adduct of a dihydric phenol or a glycidyl ether thereof with a polycarboxylic acid, wherein the weight ratio of the epoxy resin of the polyol resin moiety (A) to the polyester resin moiety (B) is 95:5 to 60:40, wherein the epoxy resin includes at least two kinds of bisphenol epoxy resins having different number-average molecular weights, and wherein the binder resin has an acid value of not greater than 5.

    摘要翻译: 一种用于显影静电图像的干燥调色剂,包括着色剂和粘合剂树脂,其包含共聚物树脂,其具有(A)具有聚氧化烯主链的多元醇树脂部分并通过(a)环氧树脂反应获得,(b) 二元酚,(c)二元酚或其缩水甘油醚的烯化氧加成物; 和(B)通过使二元酚或其缩水甘油醚的烯化氧加合物与多元羧酸反应得到的聚酯树脂部分,其中多元醇树脂部分(A)的环氧树脂与聚酯树脂部分的重量比 (B)为95:5〜60:40,其中环氧树脂包括至少两种具有不同数均分子量的双酚环氧树脂,其中粘合剂树脂的酸值不大于5。

    Carrier, developer including the carrier, and image forming apparatus using the developer
    2.
    发明授权
    Carrier, developer including the carrier, and image forming apparatus using the developer 有权
    包括载体的载体,显影剂和使用显影剂的图像形成装置

    公开(公告)号:US07272347B2

    公开(公告)日:2007-09-18

    申请号:US11528609

    申请日:2006-09-28

    IPC分类号: G03G15/09

    摘要: A carrier including a magnetic core material and a layer located on a surface of the magnetic core material, wherein the carrier satisfies the following relationships (1) to (3): 0.90≦(σa/σb)

    摘要翻译: 一种载体,包括磁芯材料和位于磁芯材料表面上的层,其中载体满足以下关系式(1)至(3):0.90 <=(sigmaa / sigmab)<1.00(1); 200 <=(sigmab.rhoc)<= 400(2); 10 <=(sigmab / rhoc)<= 20(3)其中sigmab表示载体在1,000 Oe下的磁化,σa表示在特定条件下与圆柱形套筒摩擦后载体的磁化,rhoc表示真实的 载体的重力,其中载体的重均粒径为约25至约65μm,并且包括重量平均粒径不大于约12μm的载体颗粒,其量不大于约0.3%,通过 重量,其中所述载体的重均粒径和数均粒径之间的比率为约1至约1.3,并且其中电阻为约1.0×10 9至约1.0 当以1000Hz的频率向载体的磁刷施加以下公式(4)表示的AC电压时,x10为11Ω·cm,形成在间隙为d的平行板电极之间 mm,使得磁刷具有sp A占有率为40%:E(V)= 250×d(4),其中d为0.40±0.05mm,E为峰值电压。

    Carrier, developer, image forming method and process cartridge
    3.
    发明申请
    Carrier, developer, image forming method and process cartridge 有权
    载体,显影剂,成像方法和处理盒

    公开(公告)号:US20060024606A1

    公开(公告)日:2006-02-02

    申请号:US11189692

    申请日:2005-07-27

    IPC分类号: G03G9/113

    摘要: A carrier containing a core material and a resin coating layer located overlying the surface of the core material. The resin coating layer contains resin and electroconductive particles having an oil absorption amount of from 10 to 300 ml/100 g. The electroconductive particle contains a base material particle and an electroconductive coating layer located overlying the surface of the base material particle. The electroconductive coating layer contains an underlayer containing tin dioxide and an upper layer containing indium oxide and tin dioxide, located overlying the underlayer.

    摘要翻译: 包含芯材的载体和位于芯材表面上的树脂涂层。 树脂被覆层含有吸油量为10〜300ml / 100g的树脂和导电性粒子。 导电颗粒包含基材颗粒和覆盖在基材颗粒表面上的导电涂层。 导电涂层包含含有二氧化锡和含有氧化铟和二氧化锡的上层的底层,位于覆盖在底层上方。

    Carrier, developer, image forming apparatus and process cartridge
    6.
    发明授权
    Carrier, developer, image forming apparatus and process cartridge 有权
    载体,显影剂,成像装置和处理盒

    公开(公告)号:US07172846B2

    公开(公告)日:2007-02-06

    申请号:US10844442

    申请日:2004-05-13

    IPC分类号: G03G9/00

    摘要: A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

    摘要翻译: 一种载体,其包括在其表面上具有层的锰铁氧体磁芯材料,使得0.1≤K≤30,其中K =(S / M)×100,S和M表示标准偏差,M 2 /(M 1 + M 2),M分别为0.05〜0.45,M 1和M 2分别表示载体颗粒中的铁和锰的含量。 载体的磁化范围为1,000Oe时的45至75emu / g,质量平均粒径D 4为25至65μm,粒径不大于12μm的载体颗粒的量为 不大于0.3重量%,D 4 / D 1为1至1.3的比例,其中D 1是载体的数均粒径。

    Carrier, developer, image forming apparatus and process cartridge
    7.
    发明申请
    Carrier, developer, image forming apparatus and process cartridge 审中-公开
    载体,显影剂,成像装置和处理盒

    公开(公告)号:US20060291911A1

    公开(公告)日:2006-12-28

    申请号:US11514222

    申请日:2006-09-01

    IPC分类号: G03G15/09

    摘要: A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

    摘要翻译: 一种载体,其包括在其表面上具有层的锰铁氧体磁芯材料,使得0.1≤K≤30,其中K =(S / M)×100,S和M表示标准偏差,M 2 /(M 1 + M 2),M分别为0.05〜0.45,M 1和M 2分别表示载体颗粒中的铁和锰的含量。 载体的磁化范围为1,000Oe时的45至75emu / g,质量平均粒径D 4为25至65μm,粒径不大于12μm的载体颗粒的量为 不大于0.3重量%,D 4 / D 1为1至1.3的比例,其中D 1是载体的数均粒径。

    Carrier, developer, image forming apparatus and process cartridge
    8.
    发明申请
    Carrier, developer, image forming apparatus and process cartridge 有权
    载体,显影剂,成像装置和处理盒

    公开(公告)号:US20050003292A1

    公开(公告)日:2005-01-06

    申请号:US10844442

    申请日:2004-05-13

    摘要: A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

    摘要翻译: 其中K =(S / M)×100,S和M表示标准偏差,平均值为M2 /(M1 + M2 ),M分别为0.05〜0.45,M1和M2分别表示载体颗粒中铁和锰的含量。 载体的磁化强度范围为1,000Oe时为45〜75emu / g,质量平均粒径D4为25〜65μm,粒径不大于12μm的载体颗粒不包括 大于0.3重量%,D4 / D1的范围为1至1.3的比率,其中D1是载体的数均粒径。

    Multi-color toner set and method of forming multi-color images, using the multi-color toner set
    9.
    发明授权
    Multi-color toner set and method of forming multi-color images, using the multi-color toner set 有权
    多色调色剂组合和多色成像方法,采用多色调色剂

    公开(公告)号:US06180298B2

    公开(公告)日:2001-01-30

    申请号:US09292840

    申请日:1999-04-16

    IPC分类号: G03G9097

    摘要: A multi-color toner set includes a plurality of color toners with different colors, each color toner including toner particles, each toner particle including a binder resin, a pigment and a releasing agent, at least part of the releasing agent being present in the form of domains in the binder resin, with a difference between a maximum content and a minimum content of the releasing agent in the form of domains in the binder resin in each of the color toners being in a range of 20% or less. Multi-color images can be formed, using this multi-color toner set.

    摘要翻译: 多色调色剂组包括具有不同颜色的多种彩色调色剂,每种彩色调色剂包括调色剂颗粒,每种调色剂颗粒包括粘合剂树脂,颜料和脱模剂,至少部分脱模剂以形式存在 粘合剂树脂中的粘结剂树脂中的结构域的最大含量和最小含量之间的差异在20%以下的范围内。 可以使用这种多色调色剂组合形成多色图像。