Carrier, two-component developer, and image forming method
    1.
    发明申请
    Carrier, two-component developer, and image forming method 有权
    载体,双组分显影剂和成像方法

    公开(公告)号:US20060127793A1

    公开(公告)日:2006-06-15

    申请号:US11268675

    申请日:2005-11-07

    IPC分类号: G03G9/113

    摘要: In a carrier comprising carrier particles; each carrier particle comprising a carrier core and a coat layer for coating the carrier core, the carrier core has a ferrite component containing i) a metal oxide having at least one of metallic elements Mg, Li and Ca, the total-sum content of which is 10 to 40 mole % based on the whole ferrite component, and ii) a metal oxide having at least one of metallic elements Mn, Cu, Cr and Zn, the total-sum content of which is 50 to 4,000 ppm based on the whole ferrite component. The carrier has a volume distribution based 50% particle diameter (D50) of from 15.0 to 55.0 μm and a degree of surface unevenness of from 1.05 to 1.30, and the coat layer contains particles; the particles having a number-average primary particle diameter of from 10 to 500 nm.

    摘要翻译: 在包含载体颗粒的载体中; 每个载体颗粒包括载体芯和用于涂覆载体芯的涂层,载体芯具有铁氧体组分,其含有i)具有金属元素Mg,Li和Ca中的至少一种的金属氧化物,其总和含量 相对于整个铁素体成分为10〜40摩尔%,ii)具有金属元素Mn,Cu,Cr和Zn中的至少一种的金属氧化物,其总和含量基于整体为50〜4,000ppm 铁氧体组分。 载体的体积分布基于50%粒径(D50)为15.0〜55.0μm,表面凹凸度为1.05〜1.30,涂层含有粒子; 该粒子的数均一次粒径为10〜500nm。

    Carrier, two-component developer, and image forming method
    2.
    发明授权
    Carrier, two-component developer, and image forming method 有权
    载体,双组分显影剂和成像方法

    公开(公告)号:US07452651B2

    公开(公告)日:2008-11-18

    申请号:US11268675

    申请日:2005-11-07

    IPC分类号: G03G9/00

    摘要: In a carrier comprising carrier particles; each carrier particle comprising a carrier core and a coat layer for coating the carrier core, the carrier core has a ferrite component containing i) a metal oxide having at least one of metallic elements Mg, Li and Ca, the total-sum content of which is 10 to 40 mole % based on the whole ferrite component, and ii) a metal oxide having at least one of metallic elements Mn, Cu, Cr and Zn, the total-sum content of which is 50 to 4,000 ppm based on the whole ferrite component. The carrier has a volume distribution based 50% particle diameter (D50) of from 15.0 to 55.0 μm and a degree of surface unevenness of from 1.05 to 1.30, and the coat layer contains particles; the particles having a number-average primary particle diameter of from 10 to 500 nm.

    摘要翻译: 在包含载体颗粒的载体中; 每个载体颗粒包括载体芯和用于涂覆载体芯的涂层,载体芯具有铁氧体组分,其含有i)具有金属元素Mg,Li和Ca中的至少一种的金属氧化物,其总和含量 相对于整个铁素体成分为10〜40摩尔%,ii)具有金属元素Mn,Cu,Cr和Zn中的至少一种的金属氧化物,其总和含量基于整体为50〜4,000ppm 铁氧体组分。 载体的体积分布基于50%粒径(D50)为15.0〜55.0μm,表面凹凸度为1.05〜1.30,涂层含有粒子; 该粒子的数均一次粒径为10〜500nm。

    Toner and heat-fixing method
    3.
    发明授权
    Toner and heat-fixing method 有权
    调色剂和热固定方法

    公开(公告)号:US06808852B2

    公开(公告)日:2004-10-26

    申请号:US10233417

    申请日:2002-09-04

    IPC分类号: G03G900

    摘要: A toner characterized by improved fixing performances with no or minimum oil application is formed of: (i) a binder resin, (ii) a colorant, (iii) a hydrocarbon wax, (iv) a resin composition formed by copolymerization of a styrenic monomer together with at least one of nitrogen-containing vinyl monomers, carboxyl group-containing monomers, hydroxyl group-containing monomers and (meth)acrylate ester monomers, in the presence of a hydrocarbon unit; and (v) an organometallic compound. The binder resin (i) comprises a polyester component in a proportion of at least 60 wt. % of the binder resin. The toner has a GPC molecular weight distribution including a weight-average molecular weight (Mw) of at least 4.0×104 an a ratio Mw/Mn of at least 50 between the Mw and a number-average molecular weight (Mn).

    摘要翻译: 特征在于没有或最少油施用的改进的定影性能的调色剂由以下物质形成:(i)粘合剂树脂,(ii)着色剂,(iii)烃蜡,(iv)通过苯乙烯单体 与烃单元存在下的含氮乙烯基单体,含羧基单体,含羟基的单体和(甲基)丙烯酸酯单体中的至少一种一起使用; 和(v)有机金属化合物。 粘合剂树脂(i)包含至少60重量%的聚酯组分。 %的粘合剂树脂。 调色剂的GPC分子量分布包括Mw和数均分子量(Mn)之间的重均分子量(Mw)至少为4.0×10 4,Mw / Mn比至少为50。

    Color toner
    9.
    发明授权
    Color toner 有权
    彩色墨粉

    公开(公告)号:US07452647B2

    公开(公告)日:2008-11-18

    申请号:US10817879

    申请日:2004-04-06

    IPC分类号: G03G9/087

    摘要: A color toner that comprises at least a binder resin, a colorant and a release agent, wherein the binder resin has at least a polyester unit and is synthesized in the presence of a tin compound as a catalyst represented by the general formula (1): (RCOO)2Sn  (1) wherein, R is an alkyl group of 5 to 15 carbon atoms. The toner is excellent in charge build-up, resistance to high temperature offset, color reproducibility and transparency.

    摘要翻译: 至少包含粘合剂树脂,着色剂和脱模剂的彩色调色剂,其中所述粘合剂树脂至少具有聚酯单元,并且在作为由通式(1)表示的催化剂的锡化合物的存在下合成: <?in-line-formula description =“In-line Formulas”end =“lead”?>(RCOO) Sn(1)<?in-line-formula description =“In-line 式“end =”tail“?>其中,R为5至15个碳原子的烷基。 该调色剂具有优异的电荷积聚性,耐高温偏移性,色彩再现性和透明度。

    TWO-COMPONENT DEVELOPER
    10.
    发明申请
    TWO-COMPONENT DEVELOPER 审中-公开
    两组分开发商

    公开(公告)号:US20130244159A1

    公开(公告)日:2013-09-19

    申请号:US13988867

    申请日:2011-11-24

    IPC分类号: G03G9/083

    摘要: Provided is a two-component developer having excellent developing performance and little change in image concentration, and achieving long-term suppression of image defects such as transfer failure and fogging.Provided is a two-component developer containing a magnetic carrier and a toner, wherein the magnetic carrier has magnetic carrier particles comprising a silicone resin B coated on the surfaces of filled core particles in which pores of porous magnetic core particles are filled with a silicone resin A, the silicone resin A is a silicone resin cured in the presence of a non-metal catalyst or without a catalyst, while the silicone resin B is a silicone resin cured in the presence of a metal catalyst having titanium or zirconium, and the toner contains a binder resin, a release agent and a colorant, and has an average circularity of 0.940 or more.

    摘要翻译: 提供了具有优异的显影性能和图像浓度变化小的双组分显影剂,并且实现了诸如转印失败和起雾的图像缺陷的长期抑制。 提供了含有磁性载体和调色剂的双组分显影剂,其中磁性载体具有磁性载体颗粒,其包含涂覆在填充芯颗粒表面上的硅树脂B,其中多孔磁性核颗粒的孔填充有硅树脂 A中,有机硅树脂A是在非金属催化剂或不含催化剂存在下固化的有机硅树脂,而有机硅树脂B是在具有钛或锆的金属催化剂存在下固化的有机硅树脂,并且调色剂 含有粘合剂树脂,脱模剂和着色剂,平均圆形度为0.940以上。