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。

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。

公开(公告)号：US5483327A

公开(公告)日：1996-01-09

申请号：US398791

申请日：1995-03-06

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 ,  G03G15/06

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

摘要： An image forming apparatus and a process cartridge includes a toner for developing an electrostatic image that 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 includes 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： 图像形成装置和处理盒包括用于显影由至少粘合剂树脂和电荷控制剂构成的静电图像的调色剂。 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：其中X1和X2独立地表示氢原子，低级烷基，低级烷氧基，硝基或卤原子; 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。

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。

公开(公告)号：US06365314B1

公开(公告)日：2002-04-02

申请号：US09457138

申请日：1999-12-09

申请人： Koichi Tomiyama ,  Takaaki Kohtaki ,  Manabu Ohno ,  Makoto Unno ,  Yushi Mikuriya ,  Nobuyuki Okubo ,  Tadashi Doujo ,  Shunji Suzuki

发明人： Koichi Tomiyama ,  Takaaki Kohtaki ,  Manabu Ohno ,  Makoto Unno ,  Yushi Mikuriya ,  Nobuyuki Okubo ,  Tadashi Doujo ,  Shunji Suzuki

IPC分类号： G03G9097

CPC分类号： G03G9/0819 ,  G03G9/0975 ,  G03G9/09783 ,  G03G15/08

摘要： A toner for developing electrostatic images. having a uniform composition and uniform performances over varying sizes of toner particles is constituted by (a) a binder resin, (b) a long-chain alkyl compound and (c) a specific azo-type iron complex. The long-chain alkyl compound is represented by the following formula (1), (2) or (3): CH3&Parenopenst;CH2&Parenclosest;xCH2OH  (1),  CH3&Parenopenst;CH2&Parenclosest;yCH2COOH (3), wherein x and y independently denote an average value in the range of 35-150.

摘要翻译： 用于静电图像显影的调色剂。 具有均匀的组成和不同尺寸的调色剂颗粒的均匀性能由（a）粘合剂树脂，（b）长链烷基化合物和（c）特定的偶氮型铁络合物构成。 长链烷基化合物由下式（1），（2）或（3）表示：其中x和y独立地表示在35-150范围内的平均值。

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。

公开(公告)号：US6090515A

公开(公告)日：2000-07-18

申请号：US862353

申请日：1997-05-23

申请人： Koichi Tomiyama ,  Takaaki Kohtaki ,  Manabu Ohno ,  Makoto Unno ,  Yushi Mikuriya ,  Nobuyuki Okubo ,  Tadashi Doujo ,  Shunji Suzuki

发明人： Koichi Tomiyama ,  Takaaki Kohtaki ,  Manabu Ohno ,  Makoto Unno ,  Yushi Mikuriya ,  Nobuyuki Okubo ,  Tadashi Doujo ,  Shunji Suzuki

IPC分类号： G03G9/097

CPC分类号： G03G9/0819 ,  G03G15/08 ,  G03G9/0975 ,  G03G9/09783

摘要： A toner for developing electrostatic images includes a binder resin, a specific long-chain alkyl compound and a specific azo iron complex. The long-chain alkyl compound contains a terminal --OH or --COOH group and from about 35 to 150 (--CH.sub.2 --) groups. The azo iron complex has a cation including 75-98 mol. % of ammonium ion and another ion which is hydrogen, sodium, potassium or mixtures thereof.

摘要翻译： 用于显影静电图像的调色剂包括粘合剂树脂，特定的长链烷基化合物和特定的偶氮铁络合物。 长链烷基化合物包含末端-OH或-COOH基团和约35至150（-CH 2 - ）基团。 偶氮铁络合物具有75-98摩尔的阳离子。 ％的铵离子和另一种离子是氢，钠，钾或其混合物。

公开(公告)号：US5660963A

公开(公告)日：1997-08-26

申请号：US563290

申请日：1995-11-28

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

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

IPC分类号： G03G9/087 ,  G03G9/097

CPC分类号： G03G9/08782 ,  G03G9/08755 ,  G03G9/09733

摘要： A toner for developing an electrostatic image is constituted by a resin composition and a colorant. The resin composition includes a high-softening point polyester resin (I) having a softening point of 120.degree.-180.degree. C. a low-softening point polyester resin (II) having a softening point of 80.degree.-120.degree. C., and a long-chain alkyl compound selected from the group consisting of-a long-chain alkyl alcohol principally comprising long-chain alkyl alcohol components having long-chain alkyl groups of 23 to 252 carbon atoms and a long-chain alkyl carboxylic acid principally comprising long-chain alkyl carboxylic acid components having long-chain alkyl groups of 22 to 251 carbon atoms. The resin composition preferably includes a tetrahydrofuran (THF)-soluble content providing a gel permeation chromatogram showing a weight-average molecular weight (Mw) of at least 10.sup.5, a ratio of Mw to number-average molecular weight (Mn) of at least 35 and an areal percentage of at least 5% of a region of molecular weight of at least 2.times.10.sup.5.

摘要翻译： 用于显影静电图像的调色剂由树脂组合物和着色剂构成。 树脂组合物包括软化点为120-180℃的高软化点聚酯树脂（I），软化点为80-120℃的低软化点聚酯树脂（II），以及 选自长链烷基醇的长链烷基化合物，其主要包含长链烷基醇组分，其长链烷基为23至252个碳原子，长链烷基羧酸主要包含长链烷基醇 链烷基羧酸组分，其具有22至251个碳原子的长链烷基。 树脂组合物优选包括提供凝胶渗透色谱的四氢呋喃（THF）可溶成分，其显示重均分子量（Mw）至少为105，Mw与数均分子量（Mn）的比例至少为35 并且分子量至少为5×10 5的区域的至少5％的面积百分比。

公开(公告)号：US5858597A

公开(公告)日：1999-01-12

申请号：US697877

申请日：1996-08-30

申请人： Yuichi Mizoh ,  Takaaki Kohtaki ,  Yushi Mikuriya ,  Tadashi Doujo

发明人： Yuichi Mizoh ,  Takaaki Kohtaki ,  Yushi Mikuriya ,  Tadashi Doujo

IPC分类号： G03G9/093 ,  G03G9/097

CPC分类号： G03G9/09385 ,  G03G9/09708

摘要： A toner for developing an electrostatic image is constituted by toner particles containing at least a binder resin and a colorant, and particles containing at least one double oxide. The double oxide includes a double oxide (A) represented by the following formula (1):M.sub.a Si.sub.b O.sub.c (1),wherein M denotes a metallic element selected from the group consisting of Sr, Mg, Zn, Co, Mn and Ce; a is an integer of 1-9; b is an integer of 1-9; and c is an integer of 3-9. The above particles including a double oxide (A) are effective in improving flowability and triboelectric chargeability of the toner and providing a resultant image with excellent image qualities.

摘要翻译： 用于显影静电图像的调色剂由至少含有粘合剂树脂和着色剂的调色剂颗粒以及含有至少一种双氧化物的颗粒构成。 双氧化物包括由下式（1）表示的双氧化物（A）：MaSibOc（1），其中M表示选自Sr，Mg，Zn，Co，Mn和Ce的金属元素; a是1-9的整数; b是1-9的整数; 且c为3-9的整数。 包括双氧化物（A）的上述颗粒在改善调色剂的流动性和摩擦带电性方面是有效的，并提供具有优异图像质量的所得图像。

公开(公告)号：US6017669A

公开(公告)日：2000-01-25

申请号：US715433

申请日：1996-09-18

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

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

IPC分类号： G03G9/087

CPC分类号： G03G9/08706 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： The toner for developing an electrostatic image has toner particles containing at least binder resin and colorant. The resin components of a range of 2,000 to 100,000 in molecular weight, prepared by preparatory liquid chromatograph from the binder resin, exhibit an M/S ratio of 200 or greater and are 50% to 90% in abundance. The M and S stand for a weight average molecular weight (M) measured by means of light scattering method and an inertia radius (S) measured by means of light scattering method, respectively.

摘要翻译： 用于显影静电图像的调色剂具有至少包含粘合剂树脂和着色剂的调色剂颗粒。 通过由粘合剂树脂制备的液相色谱法制备的分子量为2,000至100,000的树脂组分的M / S比为200或更大并且丰度为50％至90％。 M和S分别表示通过光散射法测量的重均分子量（M）和通过光散射法测量的惯性半径（S）。