Toner and image forming apparatus
    82.
    发明授权
    Toner and image forming apparatus 有权
    调色剂和成像设备

    公开(公告)号:US08795938B2

    公开(公告)日:2014-08-05

    申请号:US13743528

    申请日:2013-01-17

    IPC分类号: G03G9/08 G03G15/08 G03G9/097

    摘要: To provide a toner, which contains: toner base particles each containing a binder resin and a colorant; and an external additive containing inorganic particles and fatty acid metal salt particles, wherein the inorganic particles contain at least hydrophobic silica particles, wherein a liberation ratio Ya of the hydrophobic silica particles from the toner is 1% by mass to 20% by mass, and wherein a libration ratio Yb of the fatty acid metal salt particles from the toner is 30% by mass to 90% by mass.

    摘要翻译: 提供一种调色剂,其包含:各自含有粘合剂树脂和着色剂的调色剂基础颗粒; 以及含有无机粒子和脂肪酸金属盐粒子的外部添加剂,其中无机粒子至少含有疏水性二氧化硅粒子,其中来自调色剂的疏水性二氧化硅粒子的释放率Ya为1质量%〜20质量%,以及 其中来自调色剂的脂肪酸金属盐颗粒的析出比Yb为30质量%至90质量%。

    Toner, developer, image forming method and image forming apparatus
    84.
    发明授权
    Toner, developer, image forming method and image forming apparatus 有权
    调色剂,显影剂,成像方法和图像形成装置

    公开(公告)号:US08741521B2

    公开(公告)日:2014-06-03

    申请号:US13232518

    申请日:2011-09-14

    IPC分类号: G03G9/087

    摘要: A toner containing toner particles, each toner particle containing: a releasing agent; a colorant; and a binder resin containing at least a crystalline polyester resin and a non-crystalline polyester resin, wherein in the case where a volume average particle diameter of the toner is defined as Dv, the toner contains a group of the toner particles having 4/5 Dv, and a group of the toner particles having 6/5 Dv, and wherein an endothermic value A of the crystalline polyester resin at a first temperature increase in DSC of the toner, an endothermic value B of the crystalline polyester resin at a first temperature increase in DSC of the group of the toner particle having 4/5 Dv, and an endothermic value C of the crystalline polyester resin at a first temperature increase in DSC of the group of the toner particles having 6/5 Dv satisfy the relation represented by the following formulas: 50

    摘要翻译: 含有调色剂颗粒的调色剂颗粒,每个调色剂颗粒含有:脱模剂; 着色剂 以及至少含有结晶性聚酯树脂和非结晶性聚酯树脂的粘合剂树脂,其中在调色剂的体积平均粒径定义为Dv的情况下,调色剂含有一组调色剂颗粒,其具有4/5 Dv和一组具有6/5 Dv的调色剂颗粒,并且其中在调色剂的DSC中第一温度升高时结晶性聚酯树脂的吸热值A,在第一温度下的结晶性聚酯树脂的吸热值B 具有4/5 Dv的调色剂颗粒组的DSC的增加和结晶性聚酯树脂的吸热值C在具有6/5 Dv的调色剂颗粒组的DSC的第一升高温度下满足由 下列公式为:50 <(B / A)×100 <90,110 <(C / A)×100 <150。

    Toner and developer
    89.
    发明授权
    Toner and developer 有权
    墨粉和开发商

    公开(公告)号:US08431304B2

    公开(公告)日:2013-04-30

    申请号:US13210773

    申请日:2011-08-16

    IPC分类号: G03G9/00

    摘要: A toner containing: a non-crystalline polyester resin; a crystalline polyester resin; a releasing agent; a graft-modified polymer; and a colorant, wherein the graft-modified polymer is a polymer having a glass transition temperature of higher than 40° C. but lower than 80° C., and obtained by grafting an acrylic resin onto at least one of a hydrocarbon wax and a crystalline polyester resin, and wherein a SP value of the non-crystalline polyester resin is defined as SP1, a SP value of the crystalline polyester resin is defined as SP2, a SP value of the releasing agent is defined as SP3, and a SP value of the graft-modified polymer is defined as SP4, and SP1, SP2, SP3 and SP4 satisfy relations represented by Formulas (1) to (3): SP1 > SP4 > SP2 >SP3Formula (1), 0.1

    摘要翻译: 含有:非结晶性聚酯树脂的调色剂; 结晶聚酯树脂; 脱模剂; 接枝改性聚合物; 和着色剂,其中所述接枝改性聚合物是玻璃化转变温度高于40℃但低于80℃的聚合物,并且通过将丙烯酸树脂接枝到烃蜡和 结晶性聚酯树脂,其中非结晶性聚酯树脂的SP值定义为SP1,将结晶性聚酯树脂的SP值定义为SP2,将脱模剂的SP值定义为SP3,将SP值 接枝改性聚合物的定义为SP4,SP1,SP2,SP3和SP4满足式(1)〜(3)所示的关系:SP1> SP4> SP2> SP3式(1),0.1