Yellow toner, image forming apparatus and a method for producing a toner
    11.
    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
    12.
    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
    13.
    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
    14.
    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。

    Toner for developing electrostatic charged image
    15.
    发明授权
    Toner for developing electrostatic charged image 失效
    用于显影静电荷图像的调色剂

    公开(公告)号:US5665513A

    公开(公告)日:1997-09-09

    申请号:US705522

    申请日:1996-08-29

    IPC分类号: G03G9/097

    CPC分类号: G03G9/09783

    摘要: The present invention provides a toner, particularly color toner, for developing an electrostatic image, which comprises toner particles containing a mixture of a binder resin, a coloring agend and compounds (I) and (II).

    摘要翻译: 本发明提供用于显影静电图像的调色剂,特别是彩色调色剂,其包含含有粘合剂树脂,着色剂和化合物(I)和(II)的混合物的调色剂颗粒。

    Color toner
    17.
    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。

    Black toner with defined loss tangent
    18.
    发明授权
    Black toner with defined loss tangent 失效
    黑色墨粉具有确定的损耗角正切

    公开(公告)号:US07300733B2

    公开(公告)日:2007-11-27

    申请号:US11225169

    申请日:2005-09-14

    IPC分类号: G03G9/087

    摘要: To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 μm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 μm or more is 0.915 to 0.960; loss tangent tanδ (103 to 104 Hz) of the toner is represented by the following expression: tanδ (103 to 104 Hz)≦0.0060 where the loss tangent tanδ is represented by ε″/ε′ where ε″ denotes dielectric loss factor and ε′ denotes dielectric constant, and tanδ (103 to 104 Hz) denotes the loss tangent in a frequency range of 103 to 104 Hz; and a ratio of tanδ (105 Hz) to tanδ (5×104 Hz) is represented by the following expression: 1.05≦tanδ (105 Hz)/tanδ (5×104 Hz)≦1.40 where tanδ (105 Hz) denotes loss tangent at the frequency of 105 Hz and tanδ (5×104 Hz) denotes loss tangent at the frequency of 5×104 Hz.

    摘要翻译: 为了提供具有优异的充电性能和转印性能的黑色调色剂,以防恶劣的环境变化。 黑色调色剂包括至少含有粘合剂树脂,炭黑和脱模剂的调色剂颗粒,其中:调色剂颗粒的重均粒径为3.5-8.0μm; 调色剂的酸值和羟值的总量为30〜75mgKOH / g; 圆当量直径为2μm以上的调色剂中所含的颗粒的平均圆形度为0.915〜0.960, 调色剂的损耗正切塔兰塔(10 3至10 4 Hz)由以下表达式表示:<?in-line-formula description =“在线公式” end =“lead”?> tandelta(10 3至10 4 Hz)<= 0.0060 <?in-line-formula description =“In-line Formulas”end = “tail”?>其中损耗正切tandelta由ε“/ epsilon”表示,其中epsilon表示介电损耗因子,ε表示介电常数,tandelta(10 3〜10 > 4Hz)表示在10 3至10 4 Hz的频率范围内的损耗角正切; 并且tandelta(10Hz)与tandelta(5×10 4 Hz)的比率由以下表达式表示:<?in-line-formula description =“In- 线公式“end =”lead“?> 1.05 <= TANdelta(10Hz)/ tandelta(5×10 4 Hz)<= 1.40 < 描述=“在线公式”end =“tail”?>其中tandelta(10Hz)表示在10Hz频率下的损耗角正切和tandelta(5×10 5 4Hz)表示频率为5×10 4 Hz的损耗角正切。

    TONER
    19.
    发明申请
    TONER 有权
    托尼

    公开(公告)号:US20090047592A1

    公开(公告)日:2009-02-19

    申请号:US11841078

    申请日:2007-08-20

    IPC分类号: G03G9/087 G03G9/09 G03G9/08

    摘要: An object of the present invention is to provide a toner which: is excellent in fixing ability such as low-temperature fixability, hot offset property, and separability even in a fixing system excellent in quick start property and energy saving property; has high gloss; and is excellent in development stability and transferability irrespective of environments. The toner of the present invention includes toner particles each containing at least a binder resin and a colorant, in which, in a case where a tetrahydrofuran (THF) insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 2 hours is represented by A (mass %), a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 4 hours is represented by B (mass %), a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 8 hours is represented by C (mass %), and a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 16 hours is represented by D (mass %), A, B, C, and D satisfy the following expression: (A−B)/2>(B−C)/4>(C−D)/8 where 40

    摘要翻译: 本发明的目的是提供即使在快速起动性和节能性优异的定影系统中也具有低温定影性,热偏移性和分离性等定影性优异的调色剂; 具有高光泽度 并且不论环境如何,都具有良好的显影稳定性和转印性。 本发明的调色剂包括各自至少含有粘合剂树脂和着色剂的调色剂颗粒,其中当将调色剂中的调色剂中的粘合剂树脂的四氢呋喃(THF)不溶物质进行索格利特萃取时, 2小时的THF表示为A(质量%),当调色剂用THF进行索格利特萃取4小时时,调色剂中粘合剂树脂的THF不溶物质为B(质量%),THF不溶物 当调色剂用THF进行索格利特萃取8小时时,调色剂中的粘合剂树脂的调色剂以C(质量%)表示,调色剂中的粘合剂树脂的THF不溶性物质在调色剂中进行索格利特萃取时, THF为16小时由D(质量%)表示,A,B,C和D满足下列表达式:(AB)/ 2>(BC)/ 4>(CD)/ 8其中40

    Black toner with defined loss tangent
    20.
    发明授权
    Black toner with defined loss tangent 失效
    黑色墨粉具有确定的损耗角正切

    公开(公告)号:US07022449B2

    公开(公告)日:2006-04-04

    申请号:US10629751

    申请日:2003-07-30

    IPC分类号: G03G9/08 G03G9/087

    摘要: To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder resin, carbon black and a releasing agent, wherein: the toner particles have a weight-average particle diameter of 3.5 to 8.0 μm; total amount of acid value and hydroxyl value of the toner is 30 to 75 mgKOH/g; average circularity of particles contained in the toner having circle-equivalent diameter of 2 μm or more is 0.915 to 0.960; loss tangent tan δ (103 to 104 Hz) of the toner is represented by the following expression: tan δ(103 to 104 Hz)≦0.0060 where the loss tangent tan δ is represented by ∈″/∈′ where ∈″ denotes dielectric loss factor and ∈′ denotes dielectric constant, and tan δ (103 to 104 Hz) denotes the loss tangent in a frequency range of 103 to 104 Hz; and a ratio of tan δ (105 Hz) to tan δ (5×104 Hz) is represented by the following expression: 1.05≦tan δ(105 Hz)/tan δ(5×104 Hz)≦1.40 where tan δ (105 Hz) denotes loss tangent at the frequency of 105 Hz and tan δ (5×104 Hz) denotes loss tangent at the frequency of 5×104 Hz.

    摘要翻译: 为了提供具有优异的充电性能和转印性能的黑色调色剂,以防恶劣的环境变化。 黑色调色剂包括至少含有粘合剂树脂,炭黑和脱模剂的调色剂颗粒,其中:调色剂颗粒的重均粒径为3.5-8.0μm; 调色剂的酸值和羟值的总量为30〜75mgKOH / g; 圆当量直径为2μm以上的调色剂中所含的颗粒的平均圆形度为0.915〜0.960, 调色剂的损耗角正切tanδ(10 3至10 4 Hz)由以下表达式表示:<?in-line-formula description =“In-Line Formulas “end =”lead“?>tanδ(10 <3> <10> 4Hz)<= 0.0060 <?in-line-formula description =”In-line Formulas“ end =“tail”?>其中损耗正切tanδ由∈“/∈”表示,其中∈“表示介电损耗因子,∈'表示介电常数,tanδ(10 <3> 至10 4Hz)表示在10 3至10 4Hz的频率范围内的损耗角正切; 并且tanδ(10Hz)与tanδ(5×10 4 Hz)的比率由以下表达式表示:<?in-line-formula description =“ 在线公式“end =”lead“?> 1.05 <= TAN delta(10Hz)/tanδ(5×10 4 Hz)<= 1.40 < -line-formula description =“In-line Formulas”end =“tail”?>其中,tanδ(10Hz)表示频率为10 5的损耗角正切, Hz和tanδ(5×10 4 Hz)表示频率为5×10 4 Hz的损耗角正切。