利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

22 条记录 (耗时 0.027 秒)

    Toner for developing electrostatic image
    1.
    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 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：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
    5.
    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：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。

    Toner for developing electrostatic image containing specified double oxide particles
    6.
    发明授权
    Toner for developing electrostatic image containing specified double oxide particles 失效
    用于显影含有特定双氧化物颗粒的静电图像的调色剂

    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。

    Toner for developing electrostatic image, image forming apparatus and process cartridge
    7.
    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
    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：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。

    Toner for developing electrostatic image, forming apparatus and process cartridge
    9.
    发明授权
    Toner for developing electrostatic 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：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。

    Toner and full-color image forming method
    10.
    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。