Carrier for electrophotography, two component-type developer and image
forming method
    12.
    发明授权
    Carrier for electrophotography, two component-type developer and image forming method 失效
    电子照相用载体,双组分型显影剂和成像方法

    公开(公告)号:US5795693A

    公开(公告)日:1998-08-18

    申请号:US908624

    申请日:1997-08-08

    摘要: A carrier for electrophotography is constituted by magnetic carrier core particles and a resin coating layer coating the magnetic carrier core particles. The carrier core particles contain a magnetic ferrite component represented by the following formula (I): (Fe.sub.2 O.sub.3).sub.x (A).sub.y (B).sub.z (I), wherein A denotes a member selected from the group consisting of MgO, AgO and mixtures thereof; B denotes a member selected from the group consisting of Li.sub.2 O, MnO, CaO, SrO, Al.sub.2 O.sub.3, SiO.sub.2 and mixtures thereof; and x, y and z are numbers representing weight ratios and satisfying the relation of: 0.2.ltoreq.x.ltoreq.0.95, 0.005.ltoreq.y.ltoreq.0.3, 0

    摘要翻译: 用于电子照相的载体由磁性载体芯颗粒和涂覆磁性载体芯颗粒的树脂涂层构成。 载体芯颗粒包含由下式(I)表示的磁性铁氧体组分:( Fe 2 O 3)x(A)y(B)z(I),其中A表示选自MgO,AgO和混合物 的; B表示选自Li2O,MnO,CaO,SrO,Al2O3,SiO2及其混合物的成员; 并且x,y和z是表示重量比的数字,并且满足以下关系:0.2≤x≤0.95,0.003≤y≤0.3,0≤z≤0.795,x + y + z

    Carrier, two-component developer, and image forming method
    13.
    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。

    Yellow toner, image forming apparatus and a method for producing a toner
    14.
    发明申请
    Yellow toner, image forming apparatus and a method for producing a toner 审中-公开
    黄色调色剂,成像设备和调色剂的制造方法

    公开(公告)号:US20050106488A1

    公开(公告)日:2005-05-19

    申请号:US10980252

    申请日:2004-11-04

    摘要: The present invention provides a yellow toner which is excellent in transparency of an image formed on an OHP sheet, excellent in color reproducibility even when a light-pressure fixing unit is employed, excellent in coloring power and charge property, and is reduced in occurrence of filming. The present invention also provides a yellow toner having excellent durability and capable of contributing to the simplification or miniaturization of the constitution of an image forming apparatus. The yellow toner of the invention comprises a binder resin and a colorant, the binder resin contains at least a polyester unit, and the toner in the powder state has a lightness L* satisfying the relationship of L*>87 and has a chromaticity b* satisfying the relationship of 106

    摘要翻译: 本发明提供一种在OHP片上形成的图像的透明度优异的黄色调色剂,即使使用光压固定单元,着色力和充电性也优异,颜色再现性优异,发色性降低 拍摄 本发明还提供了一种黄色调色剂,其具有优异的耐久性并且能够有助于简化或小型化图像形成装置的结构。 本发明的黄色调色剂包含粘合剂树脂和着色剂,所述粘合剂树脂至少含有聚酯单元,粉末状态的调色剂具有满足L *> 87的关系的亮度L *,并具有色度b * 满足106

    Yellow toner, image forming apparatus and a method for producing a toner
    15.
    发明授权
    Yellow toner, image forming apparatus and a method for producing a toner 有权
    黄色调色剂,成像设备和调色剂的制造方法

    公开(公告)号:US07455947B2

    公开(公告)日:2008-11-25

    申请号:US11753081

    申请日:2007-05-24

    IPC分类号: G03G9/08

    摘要: The present invention provides a yellow toner which is excellent in transparency of an image formed on an OHP sheet, excellent in color reproducibility even when a light-pressure fixing unit is employed, excellent in coloring power and charge property, and is reduced in occurrence of filming. The present invention also provides a yellow toner having excellent durability and capable of contributing to the simplification or miniaturization of the constitution of an image forming apparatus.The yellow toner of the invention comprises a binder resin and a colorant, the binder resin contains at least a polyester unit, and the toner in the powder state has a lightness L* satisfying the relationship of L*>87 and has a chromaticity b* satisfying the relationship of 106

    摘要翻译: 本发明提供一种在OHP片上形成的图像的透明度优异的黄色调色剂,即使使用光压固定单元,着色力和充电性也优异,颜色再现性优异,发色性降低 拍摄 本发明还提供了一种黄色调色剂,其具有优异的耐久性并且能够有助于简化或小型化图像形成装置的结构。 本发明的黄色调色剂包含粘合剂树脂和着色剂,所述粘合剂树脂至少含有聚酯单元,粉末状态的调色剂具有满足L *> 87的关系的亮度L *,并具有色度b * 满足106

    Carrier, two-component developer, and image forming method
    16.
    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。

    YELLOW TONER, IMAGE FORMING APPARATUS AND A METHOD FOR PRODUCING A TONER
    17.
    发明申请
    YELLOW TONER, IMAGE FORMING APPARATUS AND A METHOD FOR PRODUCING A TONER 有权
    黄色调色剂,图像形成装置和生产调色剂的方法

    公开(公告)号:US20070224531A1

    公开(公告)日:2007-09-27

    申请号:US11753081

    申请日:2007-05-24

    IPC分类号: G03C8/02

    摘要: The present invention provides a yellow toner which is excellent in transparency of an image formed on an OHP sheet, excellent in color reproducibility even when a light-pressure fixing unit is employed, excellent in coloring power and charge property, and is reduced in occurrence of filming. The present invention also provides a yellow toner having excellent durability and capable of contributing to the simplification or miniaturization of the constitution of an image forming apparatus. The yellow toner of the invention comprises a binder resin and a colorant, the binder resin contains at least a polyester unit, and the toner in the powder state has a lightness L* satisfying the relationship of L*>87 and has a chromaticity b* satisfying the relationship of 106

    摘要翻译: 本发明提供一种在OHP片上形成的图像的透明度优异的黄色调色剂,即使使用光压固定单元,着色力和充电性也优异,颜色再现性优异,发色性降低 拍摄 本发明还提供了一种黄色调色剂,其具有优异的耐久性并且能够有助于简化或小型化图像形成装置的结构。 本发明的黄色调色剂包含粘合剂树脂和着色剂,所述粘合剂树脂至少含有聚酯单元,粉末状态的调色剂具有满足L *> 87的关系的亮度L *,并具有色度b * 满足106

    Toner and heat-fixing method
    18.
    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
    20.
    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。