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    Color toner
    1.
    发明授权
    Color toner 失效
    彩色墨粉

    公开(公告)号：US5346792A

    公开(公告)日：1994-09-13

    申请号：US895046

    申请日：1992-06-08

    申请人： Hiroyuki Kobayashi ,  Takaaki Kohtaki

    发明人： Hiroyuki Kobayashi ,  Takaaki Kohtaki

    IPC分类号： G03G9/087

    CPC分类号： G03G9/08755 ,  Y10S430/105

    摘要： A color toner is constituted to form a polyester binder resin and a colorant. The polyester resin is obtained from a monomer mixture including, at least: 25-35 mol. % of a dibasic aromatic acid component (a) selected from isophthalic acid, terephthalic acid and derivatives thereof; 2-4 mol. % of a tribasic aromatic acid component (b) selected from trimellitic acid and derivatives thereof; 12-18 mol. % of a dibasic acid component (c) selected from dodecenylsuccinic acid, octylsuccinic acid, and anhydrides thereof; and 45-60 mol. % of an etherified diphenol component (d) obtained by propoxidation or/and epoxidation, each percentage being based on a total of the monomers. The polyester resin is characterized by having a hydroxyl value of 10-20, a weight-average molecular weight (Mw) of 13,000-20,000, a number-average molecular weight (Mn) of 5,000-8,000, and an Mw/Mn ratio of 2-3.5.

    摘要翻译： 构成彩色调色剂以形成聚酯粘合剂树脂和着色剂。 聚酯树脂由单体混合物获得，所述单体混合物包括至少25-35mol。 ％的选自间苯二甲酸，对苯二甲酸及其衍生物的二元芳香酸成分（a）的％ 2-4摩尔 ％的选自偏苯三酸及其衍生物的三元芳族酸组分（b）的％ 12-18摩尔 ％的二元酸组分（c）选自十二碳烯基琥珀酸，辛基琥珀酸及其酸酐; 和45-60摩尔。 通过丙氧化或/和环氧化获得的醚化二酚组分（d）的百分比，每个百分比基于单体的总量。 聚酯树脂的特征在于羟值为10-20，重均分子量（Mw）为13,000-20,000，数均分子量（Mn）为5,000-8,000，Mw / Mn比为 2-3.5。

    Toner for developing electrostatic image
    3.
    发明授权
    Toner for developing electrostatic image 失效
    用于显影静电图像的调色剂

    公开(公告)号：US06623901B1

    公开(公告)日：2003-09-23

    申请号：US08992427

    申请日：1997-12-18

    申请人： Takaaki Kohtaki ,  Makoto Unno ,  Yushi Mikuriya ,  Tadashi Doujo

    发明人： Takaaki Kohtaki ,  Makoto Unno ,  Yushi Mikuriya ,  Tadashi Doujo

    IPC分类号： G03G9083

    CPC分类号： G03G9/08795 ,  G03G9/08755 ,  G03G9/09733

    摘要： A toner for developing an electrostatic image is constituted by a binder resin and a long-chain compound. The binder resin is a polyester resin or vinyl resin respectively having an acid value of preferably 25-70 mgKOH/g. The long-chain compound is a long-chain alkyl alcohol having an OH value of 10-120 mgKOH/g or a long-chain alkyl carboxylic acid having an acid value of 5-120 mgKOH/g and is contained so as to satisfy a condition of the following formula (1) or formula (2): Formula (1) acid value of binder resin +OH value of long-chain alkyl alcohol >(¼)×OH value of binder resin, or Formula (2) acid value of binder resin +acid value of long-chain alkyl carboxylic acid >(¼)×OH value of binder resin. The toner is characterized by a good balance between fixing performances and developing performances suitable for a variety of models of image forming apparatus and in wide ranges of environmental conditions.

    摘要翻译： 用于显影静电图像的调色剂由粘合剂树脂和长链化合物构成。 粘合剂树脂是分别具有优选25-70mgKOH / g的酸值的聚酯树脂或乙烯基树脂。 长链化合物是OH值为10〜120mgKOH / g的长链烷基醇或酸值为5-120mgKOH / g的长链烷基羧酸，其含有以满足 下式（1）或式（2）的条件：式（1）粘合剂树脂的酸值+长链烷基醇的OH值>（¼）粘合剂树脂的xOH值，或式（2）粘合剂的酸值 树脂+长链烷基羧酸的酸值>（¼）xOH值的粘合剂树脂。 调色剂的特征在于适用于多种型号的图像形成装置的定影性能和显影性能之间的良好平衡以及广泛的环境条件。

    Toner and full-color image forming method
    4.
    发明授权
    Toner and full-color image forming method 有权
    调色剂和全彩图像形成方法

    公开(公告)号：US06586147B2

    公开(公告)日：2003-07-01

    申请号：US09900039

    申请日：2001-07-09

    申请人： Wakashi Iida ,  Takaaki Kohtaki ,  Nobuyoshi Sugawara ,  Takayuki Itakura ,  Yojiro Hotta

    发明人： Wakashi Iida ,  Takaaki Kohtaki ,  Nobuyoshi Sugawara ,  Takayuki Itakura ,  Yojiro Hotta

    IPC分类号： G03G9087

    CPC分类号： G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

    摘要： A toner, particularly a color toner suitable for full-color image formation through a substantially oil-less heat-pressure fixing device, is formed from at least a binder resin, a colorant and a wax. The toner has viscoelasticity including: a storage modulus at 80° C. (G′80) in a range of 1×106-1×1010 dN/m2, storage moduli at temperatures of 120-180° C. (G′120-180) in a range of 5×103-1×106 dN/m2, and loss tangents (tan &dgr;=G″/G′ as a ratio between G″ (loss modulus) and G′ (storage molecules)) including a loss tangent at 180° C. (tan &dgr;180) and a minimum of loss tangents over a temperature range of 120-180 ° C. (tan &dgr;min) satisfying 1≦tan &dgr;180/tan &dgr;min. The toner further exhibits a thermal behavior providing a heat-absorption curve according to differential scanning calorimetry (DSC) showing a maximum heat-absorption peak temperature in a range of 50-110° C. in a temperature range of 30-200° C.

    摘要翻译： 至少粘合剂树脂，着色剂和蜡形成调色剂，特别是适用于通过基本无油的热压定影装置进行全色图像形成的彩色调色剂。 调色剂具有粘弹性，包括：在80℃（G'80）的范围为1×10 6 -1×10 11 dN / m 2的储能模量，在120-180℃的温度下的储存模量（G'120-180） 范围为5×10 3 -1×10 6 dN / m 2，损耗角正切（tanδ= G“/ G'为G'（损耗模量）与G'（保存分子）之间的比率），包括180℃的损耗角正切 （tanδ180）和在120-180℃的温度范围内的最小损耗角正切（tan deltamin）满足1 <=tanδ180 / tan deltamin。 调色剂进一步表现出根据差示扫描量热法（DSC）提供热吸收曲线的热性能，其显示在30-200℃的温度范围内的最大吸热峰温度在50-110℃的范围内。

    Toner for developing electrostatic image, image forming apparatus and process cartridge
    6.
    发明授权
    Toner for developing electrostatic image, image forming apparatus and process cartridge 失效
    用于静电图像显影的调色剂，成像设备和处理盒

    公开(公告)号：US5439770A

    公开(公告)日：1995-08-08

    申请号：US228269

    申请日：1994-04-15

    申请人： Masaaki Taya ,  Takaaki Kohtaki ,  Makoto Unno ,  Tadashi Doujo

    发明人： Masaaki Taya ,  Takaaki Kohtaki ,  Makoto Unno ,  Tadashi Doujo

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/097

    CPC分类号： G03G9/08755 ,  G03G9/0819 ,  G03G9/091

    摘要： A toner for developing an electrostatic image is constituted by at least a binder resin and a charge control agent. The binder resin has an acid value of 5-50. The charge control agent comprises an iron complex represented by the following formula: ##STR1## wherein X.sub.1 and X.sub.2 independently denote hydrogen atom, lower alkyl group, lower alkoxy group, nitro group or halogen atom; m and m' denote an integer of 1-3; R.sub.1 and R.sub.3 independently denote hydrogen atom, C.sub.1-18 alkyl or alkenyl, sufonamide, mesyl, sulfonic acid group, carboxy ester group, hydroxy, C.sub.1-18 alkoxy, acetylamino, benzoylamino or halogen atom; n and n' denote an integer of 1-3; R.sub.2 and R.sub.4 denote hydrogen atom or nitro group; and A.sup.+ denotes hydrogen ion, sodium ion, potassium ion or ammonium ion. The toner has a weight-average particle size (D.sub.4) of 4-9 .mu.m and including toner particles having a particle size of 5 .mu.m or smaller at 3-90% by number, toner particles having a particle size of 6.35-10.08 .mu.m at 1-80% by number and toner particles having a particle size of 12.7 .mu.m or larger at a percentage by volume of at most 2.0%, wherein the toner particles having a particle size of 5.0 .mu.m or smaller are contained at N % by number and at V % by volume satisfying a relationship:N/V=-0.05N+k,wherein k is a positive number in the range of 3.0-7.5.

    摘要翻译： 用于显影静电图像的调色剂由至少粘合剂树脂和电荷控制剂构成。 粘合剂树脂的酸值为5-50。 电荷控制剂包括由下式表示的铁络合物：氢原子，低级烷基，低级烷氧基，硝基或卤素原子; m和m'表示1-3的整数; R1和R3独立地表示氢原子，C1-18烷基或烯基，磺酰胺，甲磺酰基，磺酸基，羧基酯基，羟基，C1-18烷氧基，乙酰氨基，苯甲酰氨基或卤素原子; n和n'表示1-3的整数; R2和R4表示氢原子或硝基; A +表示氢离子，钠离子，钾离子或铵离子。 调色剂的重均粒径（D4）为4-9μm，包括粒径为5μm以下的调色剂颗粒为3-90％，调色剂颗粒的粒径为6.35-10.08 以数量为1-80％的粒径和粒径为12.7μm或更大的调色剂颗粒，其体积百分比至多为2.0％，其中粒径为5.0μm或更小的调色剂颗粒包含在 N％数，体积V％满足关系：N / V = -0.05N + k，其中k为3.0-7.5范围内的正数。

    Toner for developing electrostatic image, and image fixing method
    7.
    发明授权
    Toner for developing electrostatic image, and image fixing method 失效
    用于显影静电图像的调色剂和图像定影方法

    公开(公告)号：US5250382A

    公开(公告)日：1993-10-05

    申请号：US813677

    申请日：1991-12-26

    申请人： Minoru Shimojo ,  Takaaki Kohtaki ,  Tsuyoshi Takiguchi

    发明人： Minoru Shimojo ,  Takaaki Kohtaki ,  Tsuyoshi Takiguchi

    IPC分类号： G03G9/087

    CPC分类号： G03G9/087 ,  G03G9/08795 ,  G03G9/08797

    摘要： A toner for developing an electrostatic image has toner particles containing i) a binder resin comprising a resin composition with a domain-matrix structure and ii) a colorant.The resin composition with a domain-matrix a structure is comprised of a resin P1 that forms domain particles and a resin P2 that forms a matrix. The resin P1 has a glass transition temperature Tg1 of from 0.degree. C. to 60.degree. C., and the resin P2 has a glass transition temperature Tg2 of from 40.degree. C. to 90.degree. C. The glass transition temperature Tg2 of the resin P2 is at least 5.degree. C. higher than the glass transition temperature Tg1 of the resin P1, and the domain particles having an average particle diameter of not larger than 5 .mu.m.

    Toner for developing electrostatic image
    8.
    发明授权
    Toner for developing electrostatic image 失效
    用于显影静电图像的调色剂

    公开(公告)号：US06783910B2

    公开(公告)日：2004-08-31

    申请号：US10316948

    申请日：2002-12-12

    申请人： Takaaki Kohtaki ,  Makoto Unno ,  Yushi Mikuriya ,  Tadashi Doujo

    发明人： Takaaki Kohtaki ,  Makoto Unno ,  Yushi Mikuriya ,  Tadashi Doujo

    IPC分类号： G03G9087

    CPC分类号： G03G9/08795 ,  G03G9/08755 ,  G03G9/09733

    摘要： A toner for electrostatic imaging has a vinyl resin binder with an acid value of 2.5-70 mgKOH/g and (i) a long-chain alcohol with an OH value of 10-120 mg/KOH/g or (ii) a long-chain alkyl carboxylic acid with an acid value of 5-120 mg/KOH/g, wherein the acid value of the resin binder+either (i) OH value of the alcohol or (ii) acid value of the acid>(¼)×OH value of the binder.

    摘要翻译： 用于静电成像的调色剂具有酸值为2.5-70mgKOH / g的乙烯基树脂粘合剂和（i）OH值为10-120mg / KOH / g的长链醇，或（ii） 链烷酸羧酸，酸值为5-120mg / KOH / g，其中树脂粘合剂的酸值+（i）醇的OH值或（ii）酸的酸值>（¼）xOH 粘合剂的价值。

    Toner for developing electrostatic image
    9.
    发明授权
    Toner for developing electrostatic image 失效
    用于显影静电图像的调色剂

    公开(公告)号：US5578408A

    公开(公告)日：1996-11-26

    申请号：US365735

    申请日：1994-12-29

    申请人： Takaaki Kohtaki ,  Masaaki Taya ,  Makoto Unno ,  Tadashi Doujo

    发明人： Takaaki Kohtaki ,  Masaaki Taya ,  Makoto Unno ,  Tadashi Doujo

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/083

    CPC分类号： G03G9/08782 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08791 ,  G03G9/09733 ,  G03G9/09775

    摘要： A toner for developing an electrostatic image is constituted by a binder resin and a colorant. The toner is characterized by a percentage change .sub.G' of at most 50% as calculated by the following formula (1):.gamma..sub.G' =(1-G'.sub.50% /G'.sub.1%).times.100 (1),wherein .gamma..sub.G' denotes a percentage change of storage modulus, G'.sub.50% denotes a storage modulus at 50% strain at 150.degree. C., and G'.sub.1% denotes a storage modulus at 1% strain at 150.degree. C.; a percentage change .gamma..sub.G" of at most 50% as calculated by the following formula (2):.gamma..sub.G" =(1-G".sub.50% /G".sub.1%).times.100 (2),wherein .gamma..sub.G" denotes a percentage change of loss modulus, G".sub.50% denotes a loss modulus at 50% strain, and G".sub.1% denotes a loss modulus at 1% strain; and a storage modulus G' of 3.times.10.sup.3 -7.times.10.sup.4 dyn/cm.sup.2 in a range of 1-50% strain at 150.degree. C. The toner is characterized by applicability to a wide variety of image forming apparatus, especially those having remarkably different fixing speeds.

    摘要翻译： 用于显影静电图像的调色剂由粘合剂树脂和着色剂构成。 调色剂的特征在于通过下式（1）计算的百分比变化G'为至多50％：γG'=（1-G'50％/ G'1％）×100（1），其中γG 表示储能模量的百分比变化，G'50％表示在150℃下50％应变下的储能模量，G'1％表示在150℃下1％应变下的储能模量。 通过下式（2）计算的百分比变化伽玛G“为50％以下：γG”=（1-G''50％/ G'1％）×100（2），其中γG “表示损耗模量的百分比变化，G''50％表示50％应变下的损耗模量，G'1％表示1％应变下的损耗模量; 以及在150℃下1-50％应变范围内的3×103-3×104dyn / cm2的储能模量G'。调色剂的特征在于适用于各种各样的图像形成装置，特别是具有非常不同定影速度的图像形成装置。

    Black toner with defined loss tangent
    10.
    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

    申请人： Nobuyoshi Sugahara ,  Takaaki Kohtaki ,  Yasuhiro Ichikawa ,  Tetsuya Ida ,  Kazuhiko Hayami ,  Nozomu Komatsu

    发明人： Nobuyoshi Sugahara ,  Takaaki Kohtaki ,  Yasuhiro Ichikawa ,  Tetsuya Ida ,  Kazuhiko Hayami ,  Nozomu Komatsu

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/08755 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0823 ,  G03G9/0827 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08713 ,  G03G9/08715 ,  G03G9/08717 ,  G03G9/0872 ,  G03G9/08722 ,  G03G9/08724 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08731 ,  G03G9/08733 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904 ,  G03G9/09783

    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。