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    • 1. 发明授权
    • Toner for developing electrostatic images
    • 用于显影静电图像的调色剂
    • US6004715A
    • 1999-12-21
    • US670067
    • 1996-06-25
    • Masanori SuzukiHachiroh TosakaMituo AokiHiroyuki FushimiAkihiro Kotsugai
    • Masanori SuzukiHachiroh TosakaMituo AokiHiroyuki FushimiAkihiro Kotsugai
    • G03G9/08G03G9/097
    • G03G9/0827G03G9/0821G03G9/09733
    • A toner for developing an electrostatic latent image, which includes ground toner particles having physical properties meeting with at least one of the following conditions (a) and (b):(a) the toner particles have an average surface roughness of at least 0.89, the average suface roughness being an average of SF1 of respective toner particles, where SF1 is defined as follows:SF1=Le/Lp wherein Le and Lp represent the length of the minimum envelope line and the peripheral length of each toner particle, respectively;(b) the toner particles have an average shape index SF3 of at least 0.63, the average shape index being a product of the average of SF1 and an average of SF2, where SF1 is as defined above and SF2 is defined as follows:SF2=4S/(P.sup.2 .times..pi.) wherein S and P represent the area and the maximum diameter of each toner particle, respectively.
    • 一种用于显影静电潜像的调色剂,其包括具有与以下条件(a)和(b)中的至少一个相符合的物理性质的研磨调色剂颗粒:(a)调色剂颗粒的平均表面粗糙度至少为0.89, 平均表面粗糙度是各调色剂颗粒的SF1的平均值,其中SF1定义如下:SF1 = Le / Lp其中Le和Lp分别代表每个调色剂颗粒的最小包络线的长度和周长; (b)调色剂颗粒的平均形状指数SF3至少为0.63,平均形状指数是SF1的平均值与SF2的平均值的乘积,其中SF1如上所定义,SF2定义如下:SF2 = 4S /(P2x pi)其中S和P分别代表每个调色剂颗粒的面积和最大直径。
    • 3. 发明申请
    • Toner, developer, container containing toner, process cartridge, image forming apparatus and process
    • 调色剂,显影剂,含有调色剂的容器,处理盒,成像设备和工艺
    • US20050014081A1
    • 2005-01-20
    • US10863248
    • 2004-06-09
    • Hachiroh TosakaTomiaki ItoYuji Natori
    • Hachiroh TosakaTomiaki ItoYuji Natori
    • G03G9/08G03G9/087G03G9/09G03G9/097
    • G03G9/097G03G9/0819G03G9/0821G03G9/0823G03G9/0902G03G9/09708
    • The toner according to the present invention may be produced from a toner raw composition which comprises a foaming agent, a binder resin and a colorant, wherein the colorant comprises a black metal compound, the foaming agent has a volume-average particle diameter of 2 μm to 50 μm, the toner raw composition turns into a porous mixture while the foaming agent expands at melting and kneading the toner raw composition, and the toner obtained through milling and classifying the porous mixture has a specific density of 1.0 g/cm3 to 1.3 g/cm3, wherein the specific density is determined as follows: 1 gram of toner is pressed at 400 kgf/cm2 for five minutes in a discal cavity having a diameter of 20 mm, then the discal toner is removed; the discal toner volume (V) is calculated from the diameter and height, measured at 10 minutes after releasing the pressure on the discal toner, and the discal toner mass (W) is measured; then the specific density is determined from the following formula: Specific Density (ρT)=W/V.
    • 根据本发明的调色剂可以由包含发泡剂,粘合剂树脂和着色剂的调色剂原料组合物制备,其中着色剂包括黑色金属化合物,发泡剂的体积平均粒径为2μm 调色剂生成组合物变成多孔混合物,同时发泡剂在调色剂原料组合物的熔融和捏合过程中膨胀,通过研磨和分级多孔混合物得到的调色剂的比密度为1.0g / cm 3 至1.3g / cm 3,其中比浓度如下测定:将1克调色剂在400kgf / cm 2下在直径为20mm的圆盘腔中压制5分钟,然后将该圆盘式调色剂 被删除 从释放脱模调色剂上的压力后10分钟测量的直径和高度计算出圆盘调色剂体积(V),并测量圆盘调色剂质量(W); 然后根据下式确定比密度:比密度(rhoT)= W / V。
    • 6. 发明授权
    • Toner, developer, container containing toner, process, cartridge, image forming apparatus and process
    • 调色剂,显影剂,含有调色剂的容器,工艺,盒,成像设备和工艺
    • US07250240B2
    • 2007-07-31
    • US10863248
    • 2004-06-09
    • Hachiroh TosakaTomiaki ItoYuji Natori
    • Hachiroh TosakaTomiaki ItoYuji Natori
    • G03G9/00
    • G03G9/097G03G9/0819G03G9/0821G03G9/0823G03G9/0902G03G9/09708
    • The toner according to the present invention may be produced from a toner raw composition which comprises a foaming agent, a binder resin and a colorant, wherein the colorant comprises a black metal compound, the foaming agent has a volume-average particle diameter of 2 μm to 50 μm, the toner raw composition turns into a porous mixture while the foaming agent expands at melting and kneading the toner raw composition, and the toner obtained through milling and classifying the porous mixture has a specific density of 1.0 g/cm3 to 1.3 g/cm3, wherein the specific density is determined as follows: 1 gram of toner is pressed at 400 kgf/cm2 for five minutes in a discal cavity having a diameter of 20 mm, then the discal toner is removed; the discal toner volume (V) is calculated from the diameter and height, measured at 10 minutes after releasing the pressure on the discal toner, and the discal toner mass (W) is measured; then the specific density is determined from the following formula: Specific Density (ρT)=W/V.
    • 根据本发明的调色剂可以由包含发泡剂,粘合剂树脂和着色剂的调色剂原料组合物制备,其中着色剂包括黑色金属化合物,发泡剂的体积平均粒径为2μm 调色剂原料组合物变成多孔混合物,同时发泡剂在调色剂原料组合物的熔融和捏合过程中膨胀,通过研磨和分级多孔混合物得到的调色剂的比密度为1.0g / 3至1.3g / cm 3,其中比浓度如下测定:将1克调色剂以400kgf / cm 2压制5分钟 在具有20mm直径的圆盘腔中,然后去除圆盘调色剂; 从释放脱模调色剂上的压力后10分钟测量的直径和高度计算出圆盘调色剂体积(V),并测量圆盘调色剂质量(W); 然后根据下式确定比密度:比密度(W / V)= W / V。