公开(公告)号：US20070212631A1

公开(公告)日：2007-09-13

申请号：US11739983

申请日：2007-04-25

申请人： Koji Abe ,  Shinya Yachi ,  Emi Tosaka ,  Satoshi Handa ,  Kazumi Yoshizaki ,  Yasuhiro Hashimoto ,  Yushi Mikuriya

发明人： Koji Abe ,  Shinya Yachi ,  Emi Tosaka ,  Satoshi Handa ,  Kazumi Yoshizaki ,  Yasuhiro Hashimoto ,  Yushi Mikuriya

IPC分类号： G03G9/08

CPC分类号： G03G9/0821 ,  B29C65/02 ,  B29C66/73921 ,  G03G9/0806 ,  G03G9/0815 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner is provided which is excellent in low-temperature fixability and offset resistance, has a wide fixing temperature range, provides fixed images with high gloss, and can form toner images having high quality. The toner is composed of toner particles having toner base particles each containing a binder resin and a colorant. When the viscosities of each of the toner particles measured at 100° C. and 110° C. by a flow tester heat-up method are represented by η100 (Pa·s) and η110 (Pa·s), respectively, an average variation in viscosity AηT represented by the following equation (1) satisfies the relationship of 0≧AηT≧−0.064: AηT=(log(η100)−log(η100)/(110−100)  (1); and η100 is 15,000 to 40,000 Pa·s.

摘要翻译： 提供了低温定影性和抗偏移性优异的调色剂，具有宽的定影温度范围，提供高光泽的固定图像，并且可以形成具有高质量的调色剂图像。 调色剂由具有各自含有粘合剂树脂和着色剂的调色剂基础颗粒的调色剂颗粒组成。 当通过流动测试器加热方法在100℃和110℃下测量的每个调色剂颗粒的粘度由eta 100（Pa.s）和eta 110（Pa.s），由下列等式（1）表示的粘度A etaTAT的平均变化分别满足0> = A＆gt; etaT > = - 0.064：<？in-line-formula description =“In-line Formulas”end =“lead”？> A等级=（log（eta＆lt; 100＆lt; ）-log（eta 100-100）（1）;以及<？在线公式描述=“在线公式”end =“tail”？> eta _{100 为15,000至40,000 Pa.s.}

公开(公告)号：US20060204876A1

公开(公告)日：2006-09-14

申请号：US11431819

申请日：2006-05-11

申请人： Takeshi Kaburagi ,  Yushi Mikuriya ,  Keiji Komoto ,  Yasushi Katsuta ,  Kenichi Nakayama

发明人： Takeshi Kaburagi ,  Yushi Mikuriya ,  Keiji Komoto ,  Yasushi Katsuta ,  Kenichi Nakayama

IPC分类号： G03G9/087

CPC分类号： G03G9/09708 ,  G03G9/0806 ,  G03G9/0833 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/09716 ,  G03G9/09725

摘要： In a process for producing toner particles by dispersing in an aqueous medium a polymerizable monomer composition containing at least a polymerizable monomer and a colorant and carrying out polymerization by the use of a polymerization initiator, the concentration of alcohol having 4 to 6 carbon atoms in the aqueous medium is so adjusted as to be from 500 ppm to 2,000 ppm when the polymerization conversion of the polymerizable monomer composition is 30%, and to be from 2,300 ppm to 10,000 ppm when the polymerization conversion of the polymerizable monomer composition is 97%.

公开(公告)号：US20050238984A1

公开(公告)日：2005-10-27

申请号：US11102666

申请日：2005-04-11

申请人： Takeshi Kaburagi ,  Yushi Mikuriya ,  Keiji Komoto ,  Yasushi Katsuta ,  Kenichi Nakayama

发明人： Takeshi Kaburagi ,  Yushi Mikuriya ,  Keiji Komoto ,  Yasushi Katsuta ,  Kenichi Nakayama

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

CPC分类号： G03G9/09708 ,  G03G9/0806 ,  G03G9/0833 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/09716 ,  G03G9/09725

摘要： In a process for producing toner particles by dispersing in an aqueous medium a polymerizable monomer composition containing at least a polymerizable monomer and a colorant and carrying out polymerization by the use of a polymerization initiator, the concentration of alcohol having 4 to 6 carbon atoms in the aqueous medium is so adjusted as to be from 500 ppm to 2,000 ppm when the polymerization conversion of the polymerizable monomer composition is 30%, and to be from 2,300 ppm to 10,000 ppm when the polymerization conversion of the polymerizable monomer composition is 97%.

摘要翻译： 在通过在水性介质中分散含有至少可聚合单体和着色剂并且通过使用聚合引发剂进行聚合的可聚合单体组合物来生产调色剂颗粒的方法中，在所述聚合引发剂中具有4至6个碳原子的醇的浓度 当聚合性单体组合物的聚合转化率为30％时，将水性介质调节为500ppm〜2000ppm，当聚合性单体组合物的聚合转化率为97％时，将其调节为2300ppm〜10000ppm。

公开(公告)号：US07153625B2

公开(公告)日：2006-12-26

申请号：US11102666

申请日：2005-04-11

申请人： Takeshi Kaburagi ,  Yushi Mikuriya ,  Keiji Komoto ,  Yasushi Katsuta ,  Kenichi Nakayama

发明人： Takeshi Kaburagi ,  Yushi Mikuriya ,  Keiji Komoto ,  Yasushi Katsuta ,  Kenichi Nakayama

IPC分类号： G03G9/08

CPC分类号： G03G9/09708 ,  G03G9/0806 ,  G03G9/0833 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/09716 ,  G03G9/09725

摘要： In a process for producing toner particles by dispersing in an aqueous medium a polymerizable monomer composition containing at least a polymerizable monomer and a colorant and carrying out polymerization by the use of a polymerization initiator, the concentration of alcohol having 4 to 6 carbon atoms in the aqueous medium is so adjusted as to be from 500 ppm to 2,000 ppm when the polymerization conversion of the polymerizable monomer composition is 30%, and to be from 2,300 ppm to 10,000 ppm when the polymerization conversion of the polymerizable monomer composition is 97%.

摘要翻译： 在通过在水性介质中分散含有至少可聚合单体和着色剂并且通过使用聚合引发剂进行聚合的可聚合单体组合物来生产调色剂颗粒的方法中，在所述聚合引发剂中具有4至6个碳原子的醇的浓度 当聚合性单体组合物的聚合转化率为30％时，将水性介质调节为500ppm〜2000ppm，当聚合性单体组合物的聚合转化率为97％时，将其调节为2300ppm〜10000ppm。

公开(公告)号：US06316157B1

公开(公告)日：2001-11-13

申请号：US09610914

申请日：2000-07-05

申请人： Junko Yoshikawa ,  Kenji Okado ,  Masaaki Taya ,  Yushi Mikuriya ,  Kazumi Yoshizaki ,  Yasushi Katsuta ,  Kenichi Nakayama

发明人： Junko Yoshikawa ,  Kenji Okado ,  Masaaki Taya ,  Yushi Mikuriya ,  Kazumi Yoshizaki ,  Yasushi Katsuta ,  Kenichi Nakayama

IPC分类号： G03G9097

CPC分类号： G03G9/09708 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/09783

摘要： A non-metallic black toner is disclosed. The toner has toner particles containing at least a binder resin, a carbon black and an organometallic compound, and an external additive. The toner particles contain 10 to 200 ppm of at least one kind of alkali metal element and at least one kind of organometallic compound. The toner particles further contain a polyester resin. The non-metallic black toner has a weight-average particle diameter of 4 to 11 &mgr;m, the following loss tangents tan &dgr; shown by dielectric loss factor ∈″/dielectric constant ∈′ at frequencies of 5×104 Hz and 105 Hz: tan &dgr; (5×104 Hz)≦0.0125 tan &dgr; (105 Hz)≦0.0105, a Carr's flowability index of 50 or more, and a Carr's floodability index of 65 or more. Also, an image forming method is disclose using the black toner.

摘要翻译： 公开了一种非金属黑色调色剂。 调色剂具有至少含有粘合剂树脂，炭黑和有机金属化合物的调色剂颗粒和外部添加剂。 调色剂颗粒含有10-200ppm的至少一种碱金属元素和至少一种有机金属化合物。 调色剂颗粒还含有聚酯树脂。 非金属黑色调色剂的重均粒径为4〜11μm，频率为5×104Hz，105Hz时的介电损耗因子∈“/介电常数ε'表示的以下损耗正切tanδ：卡尔的流动性 指数为50以上，卡尔的防洪指数为65以上。 此外，使用黑色调色剂公开了图像形成方法。

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：US5773183A

公开(公告)日：1998-06-30

申请号：US749640

申请日：1996-11-15

申请人： Tadashi Doujo ,  Yuichi Mizoo ,  Takaaki Kotaki ,  Yushi Mikuriya

发明人： Tadashi Doujo ,  Yuichi Mizoo ,  Takaaki Kotaki ,  Yushi Mikuriya

IPC分类号： G03G9/083 ,  G03G9/087 ,  G03G9/09

CPC分类号： G03G9/091 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/0833 ,  G03G9/08782

摘要： A toner for developing an electrostatic image has a binder resin, a colorant and a charge control agent. The binder resin has a polyester resin having an acid value of from 15 to 40 and a hydroxyl value of 45 or less. The toner has, in its molecular weight distribution as measured by gel permeation chromatography, tetrahydrofuran-soluble matter having a weight average molecular weight Mw of 100,000 or more, having a ratio of weight average molecular weight Mw to number average molecular weight Mn, Mw/Mn, of not less than 35, containing from 70% to 94% of a low-molecular weight region component having a molecular weight of less than 150,000, containing from 1% to 10% of a medium-molecular weight region component having a molecular weight of from 150,000 to 500,000, and containing from 5% to 25% of a high-molecular weight region component having a molecular weight of more than 500,000. The high-molecular weight region component is more than the medium-molecular weight region component.

摘要翻译： 用于显影静电图像的调色剂具有粘合剂树脂，着色剂和电荷控制剂。 粘合剂树脂具有酸值为15〜40，羟值为45以下的聚酯树脂。 调色剂在通过凝胶渗透色谱法测定的分子量分布中，具有重均分子量Mw为100,000以上的四氢呋喃可溶性物质，重均分子量Mw与数均分子量Mn的比，Mw / Mn不低于35，含有70％至94％的分子量小于150,000的低分子量成分，含有1％至10％的具有分子量 重量为15万至500,000，并含有5％至25％的分子量大于500,000的高分子量成分。 高分子量区域成分大于中等分子量区域成分。

公开(公告)号：US07132207B2

公开(公告)日：2006-11-07

申请号：US11303678

申请日：2005-12-16

申请人： Katsuyuki Nonaka ,  Yushi Mikuriya ,  Shinya Yachi ,  Shuntaro Watanabe

发明人： Katsuyuki Nonaka ,  Yushi Mikuriya ,  Shinya Yachi ,  Shuntaro Watanabe

IPC分类号： G03G15/01

CPC分类号： G03G13/013

摘要： In a toner kit having i) a non-magnetic black toner having at least carbon black and ii) color toners, the black toner has a weight-average particle diameter represented by D4b and a one-point method BET specific surface area represented by Sb, and the color toners, other than the-black toner, each have a weight-average particle diameter represented by D4c and a one-point method BET specific surface area represented by Sc, where the black toner and color toners satisfy the following relations (1) and (2): 0.60≦D4.c/D4b≦0.96,:  Relation (1) 0.750≦Sc/Sb≦1.000;:  Relation (2) and each have an average circularity of from 0.950 to 1.000 and a circularity standard deviation of less than 0.040 as measured with a flow type particle image analyzer.

摘要翻译： 在具有i）至少具有炭黑的非磁性黑色调色剂和ii）彩色调色剂的调色剂试剂盒中，黑色调色剂具有由D 4 b表示的重均粒径和表示的一点法BET比表面积 除了黑色调色剂之外的颜色调色剂各自具有由D4c表示的重均粒径和由Sc表示的单点法BET比表面积，其中黑色调色剂和彩色调色剂满足以下 关系（1）和（2）：<？in-line-formula description =“In-line Formulas”end =“lead”？> 0.60 <= D4.c / D4b <= 0.96，关系（1） in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line formula”end =“lead”？> 0.750 <= Sc / Sb <= 1.000 ;:关系（2）<？in-line-formula description =“在线公式”end =“tail”？>，平均圆形度为0.950〜1.000，圆形标准偏差小于0.040 用流式粒子图像分析仪测量 。

公开(公告)号：US07014969B2

公开(公告)日：2006-03-21

申请号：US10676463

申请日：2003-10-02

申请人： Shinya Yachi ,  Yushi Mikuriya ,  Katsuyuki Nonaka ,  Shuntaro Watanabe

发明人： Shinya Yachi ,  Yushi Mikuriya ,  Katsuyuki Nonaka ,  Shuntaro Watanabe

IPC分类号： G03G9/08

CPC分类号： C09C1/3081 ,  C01P2004/51 ,  C01P2004/62 ,  C01P2006/12 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： The present invention provides a silica fine particle capable of preventing a charging member or an image bearing member from being contaminated with toner when the toner contains the particle and also capable of providing the toner with a stable developing property. The silica fine particle of the present invention has been hydrophobic treated. Furthermore, the particle has a peak in a range of 0.04 μm to 1 μm and a peak in the range of 1 μm to 100 μm in a volume-basis particle diameter distribution. The particle has a frequency ratio of 10 to 80% for the particles with a particle diameter of 0.04 μm to 1 μm to a total of all the peaks, and the particles has the frequency ratio of less than 16% for the particles with a particle diameters of 20 μm to 2000 μm to the total of all the peaks.

摘要翻译： 本发明提供了一种二氧化硅微粒，其能够防止充电部件或图像承载部件在调色剂含有颗粒时被调色剂污染，并且还能够使调色剂具有稳定的显影性能。 本发明的二氧化硅微粒已进行了疏水处理。 此外，在体积基准粒径分布中，该颗粒的峰值在0.04mum至1um的范围内，峰值在1μm至100μm的范围内。 相对于所有峰的总和，粒子的粒径为0.04〜1μm的粒子的频率比为10〜80％，粒子的粒子的频率比小于16％ 直径为20毫米至2000毫米，相当于所有峰的总数。

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。