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：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：US6040103A

公开(公告)日：2000-03-21

申请号：US921565

申请日：1997-09-02

申请人： Manabu Ohno ,  Takeshi Ohtake ,  Satoshi Matsunaga ,  Tadashi Doujo

发明人： Manabu Ohno ,  Takeshi Ohtake ,  Satoshi Matsunaga ,  Tadashi Doujo

IPC分类号： G03G9/087 ,  G03G9/097 ,  G03G13/22

CPC分类号： G03G9/08782

摘要： A toner for developing an electrostatic image is composed of toner particles each containing at least a binder resin, a colorant, and a wax. The wax satisfies conditions of:(a) showing a maximum heat-absorption peak in a region of 50-130.degree. C. on temperature increase on a DSC (differential scanning calorimeter) curve, and(b) giving a .sup.13 C-NMR (nuclear magnetic resonance) spectrum showing a total peak area S in a range of 0-50 ppm, a total peak area S1 in a range of 36-42 ppm and a total peak area S2 in a range of 10-17 ppm satisfying:1.0.ltoreq.(S1/S).times.100.ltoreq.10, 1.5.ltoreq.(S2/S).times.100.ltoreq.15, and S1

摘要翻译： 用于显影静电图像的调色剂由至少包含粘合剂树脂，着色剂和蜡的调色剂颗粒组成。 蜡满足以下条件：（a）在DSC（差示扫描量热计）曲线上升温时，在50-130℃区域显示最大吸热峰，（b）给出13 C-NMR（核 磁共振）光谱，其总峰面积S在0-50ppm的范围内，总峰面积S1在36-42ppm范围内，总峰面积S2在10-17ppm的范围内满足：1.0 < 满足上述条件的蜡具有适当分支的长链结构，并且提供了（S1 / S）×100

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）。

公开(公告)号：US5955234A

公开(公告)日：1999-09-21

申请号：US947273

申请日：1997-10-08

申请人： Satoshi Matsunaga ,  Manabu Ohno ,  Tadashi Doujo

发明人： Satoshi Matsunaga ,  Manabu Ohno ,  Tadashi Doujo

IPC分类号： C08F257/00 ,  C08F265/06 ,  G03G9/08 ,  G03G9/087

CPC分类号： C08F257/00 ,  C08F265/06 ,  G03G9/081 ,  G03G9/08711 ,  G03G9/08782 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner for developing an electrostatic image is comprised of a binder resin, a colorant and a wax. The toner has the following rheological characteristics: (a) a temperature at which the ratio of a loss elastic modulus to a storage elastic modulus (G"/G'=tan .delta.) comes to be 1.0 is present in a temperature range of from 55.degree. C. to 70.degree. C., with an elastic modulus being 1.5.times.10.sup.8 Pa or below; (b) the ratio of the storage elastic modulus at a temperature of 40.degree. C. (G'.sub.40) to the storage elastic modulus at a temperature of 50.degree. C. (G'.sub.50), G'.sub.40 /G'.sub.50, is from 1.5 to 5.0; (c) the ratio of the storage elastic modulus at a temperature of 50.degree. C. (G'.sub.50) to the storage elastic modulus at a temperature of 60.degree. C. (G'.sub.60), G'.sub.50 /G'.sub.60, is from 3 to 20; (d) the ratio of the storage elastic modulus at a temperature of 70.degree. C. (G'.sub.70) to the storage elastic modulus at a temperature of 100.degree. C. (G'.sub.100), G'.sub.70 /G'.sub.100, is from 50 to 250; and (e) the ratio of the storage elastic modulus at a temperature of 110.degree. C. (G'.sub.110) to the storage elastic modulus at a temperature of 140.degree. C. (G'.sub.140), G'.sub.110 /G'.sub.140, is from 2 to 20.

摘要翻译： 用于显影静电图像的调色剂由粘合剂树脂，着色剂和蜡组成。 调色剂具有以下流变特性：（a）在下述的温度范围内存在损耗弹性模量与储能弹性模量（G“/ G'=tanδ）的比率为1.0的温度 55℃至70℃，弹性模量为1.5×10 8 Pa或更低; （b）在温度为40℃（G'40）下的储能弹性模量与50℃温度（G'50），G'40 / G'50， 为1.5〜5.0; （c）温度为50℃（G'50）的储能弹性模量与60℃温度（G'60），G'50 / G'60， 从3到20; （d）温度为70℃（G'70）时的储能弹性模量与100℃（G'100），G'70 / G'100的储能弹性模量的比率， 从50到250; 和（e）温度为110℃（G'110）时的储能弹性模量与140℃温度下的储能弹性模量（G'140），G'110 / G'140 是从2到20。

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。