公开(公告)号：US06013402A

公开(公告)日：2000-01-11

申请号：US215325

申请日：1998-12-18

申请人： Makoto Kanbayashi ,  Masaaki Taya ,  Wakashi Iida ,  Tetsuya Ida

发明人： Makoto Kanbayashi ,  Masaaki Taya ,  Wakashi Iida ,  Tetsuya Ida

IPC分类号： G03G9/08 ,  G03G9/097 ,  G03G13/16 ,  G03G9/09

CPC分类号： G03G9/09716 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/09708

摘要： A color toner has (i) color toner particles containing at least a binder resin and a colorant and (ii) an external additive. The color toner has a weight-average particle diameter of 5 to 8 .mu.m and a number-average particle diameter of 4.5 to 7.5 .mu.m, and contains 5 to 40% by number of particles having a particle diameter of 4 .mu.m or less in the number distribution of the color toner and 7% by volume or less of particles having a particle diameter of 10.08 .mu.m or more in the volume distribution of the color toner. The inorganic powder selected from the group consisting of a strontium titanate powder, a cerium oxide powder and a calcium titanate powder, and a hydrophobic fine alumina powder are externally added to the color toner particles as the external additives, the inorganic powder has a longitudinal average particle diameter of 0.2 to 2 .mu.m, and the hydrophobic fine alumina powder has a longitudinal average particle diameter of 0.005 to 0.1 .mu.m. The binder resin is a polyester resin crosslinked by a crosslinking agent. The color toner particles contain 0 to 20 mg/lg of a chloroform insoluble matter. The color toner has a storage modulus (G'.sub.130) of 2.times.10.sup.3 to 2.times.10.sup.4 [dyn/cm.sup.2 ] at a temperature of 130.degree. C. and a storage modulus (G'.sub.170) of 5.times.10.sup.3 to 5.times.10.sup.4 [dyn/cm.sup.2 ] at a temperature of 170.degree. C., and a value of G'.sub.170 /G'.sub.130 is in the range of 0.25 to 10.

摘要翻译： 彩色调色剂具有（i）着色至少含有粘合剂树脂和着色剂的调色剂颗粒和（ii）外部添加剂。 彩色调色剂的重均粒径为5〜8μm，数均粒径为4.5〜7.5μm，并且含有5〜40个数量的粒径为4μm以下的粒子 在彩色调色剂的体积分布中，彩色调色剂的数量分布和7体积％以下的粒径为10.08μm以上的粒子。 从作为外部添加剂的彩色调色剂颗粒外部添加选自钛酸锶粉末，氧化铈粉末和钛酸钙粉末和疏水性微细氧化铝粉末的无机粉末，无机粉末具有纵向平均值 粒径为0.2〜2μm，疏水性细氧化铝粉末的纵向平均粒径为0.005〜0.1μm。 粘合剂树脂是通过交联剂交联的聚酯树脂。 彩色调色剂颗粒含有0至20mg / l氯仿不溶物质。 彩色调色剂在130℃的温度下具有2x103至2×104 [dyn / cm 2]的储能模量（G'130），在温度下的储能模量（G'170）为5×10 3至5×10 4 [dyn / cm 2] 为170℃，G'170 / G'130的值在0.25〜10的范围内。

公开(公告)号：US5750298A

公开(公告)日：1998-05-12

申请号：US815921

申请日：1997-03-13

申请人： Makoto Kanbayashi ,  Ryoichi Fujita

发明人： Makoto Kanbayashi ,  Ryoichi Fujita

IPC分类号： G03G9/087 ,  G03G9/09

CPC分类号： G03G9/0922 ,  G03G9/08755

摘要： A yellow toner for developing an electrostatic image contains yellow color toner particles having at least a binder resin and a yellow colorant, and an external additive. The binder resin has a polyester resin having an acid value of from 2 mg KOH/g to 25 mg KOH/g and a glass transition temperature of from 52.degree. C. to 65.degree. C. The yellow colorant is a compound represented by the following Formula (I): ##STR1## The external additive is composed of a fine titanium oxide powder or fine aluminum oxide powder subjected to hydrophobic treatment. The powder has an average primary particle diameter of from 0.01 .mu.m to 2 .mu.m. The yellow toner has a weight average particle diameter of from 3.0 .mu.m to 15.0 .mu.m.

摘要翻译： 用于显影静电图像的黄色调色剂包含至少具有粘合剂树脂和黄色着色剂的黄色调色剂颗粒和外部添加剂。 粘合剂树脂具有酸值为2mg KOH / g至25mgKOH / g，玻璃化转变温度为52℃至65℃的聚酯树脂。黄色着色剂为下列化合物： 式（I）：（I）外用添加剂由经过疏水处理的氧化钛粉末或氧化铝微粉末构成。 该粉末的平均一次粒径为0.01μm〜2μm。 黄色调色剂的重均粒径为3.0〜15.0μm。

公开(公告)号：US5635326A

公开(公告)日：1997-06-03

申请号：US385918

申请日：1995-02-09

申请人： Makoto Kanbayashi ,  Tsuyoshi Takiguchi ,  Wakashi Iida

发明人： Makoto Kanbayashi ,  Tsuyoshi Takiguchi ,  Wakashi Iida

IPC分类号： C01G23/07 ,  C09C1/36 ,  G03G9/097

CPC分类号： B82Y30/00 ,  C01G23/07 ,  C09C1/3669 ,  C09C1/3692 ,  G03G9/09716 ,  C01P2004/64 ,  Y10T428/2995

摘要： A toner for developing an electrostatic image, which comprises a colorant-containing particulate resin and a treated fine powdery material prepared by treating fine powdery titanium oxide with a silane-type organic compound, where the fine powdery titanium oxide is mainly composed of a TiO.sub.2 component and a Ti(OR).sub.m (OH).sub.n component wherein R is a hydrocarbon group, m and n are respectively an integer of from 0 to 4, and m+n is 4.

摘要翻译： 一种用于显影静电图像的调色剂，其包含含着色剂的颗粒树脂和通过用硅烷型有机化合物处理细粉状二氧化钛制备的经处理的细粉末材料，其中细粉状氧化钛主要由TiO 2组分 和其中R为烃基的Ti（OR）m（OH）n成分，m和n分别为0〜4的整数，m + n为4。

公开(公告)号：US5578407A

公开(公告)日：1996-11-26

申请号：US330542

申请日：1994-10-28

申请人： Takashige Kasuya ,  Tatsuya Nakamura ,  Makoto Kanbayashi ,  Tatsuhiko Chiba ,  Kazuyuki Miyano ,  Koji Inaba

发明人： Takashige Kasuya ,  Tatsuya Nakamura ,  Makoto Kanbayashi ,  Tatsuhiko Chiba ,  Kazuyuki Miyano ,  Koji Inaba

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G15/01 ,  G03G15/08

CPC分类号： G03G9/0806 ,  G03G9/0812 ,  G03G9/0906 ,  G03G9/08733

摘要： A color toner for developing an electrostatic image has color toner particles containing a binder resin and a colorant.The color toner particles have been obtained by mixing a mixture containing at least a polymerizable monomer, the colorant and a polymerization initiator to prepare a polymerizable monomer composition, dispersing the polymerizable monomer composition in an aqueous medium to carry out granulation, and polymerizing polymerizable monomers in the aqueous medium.The colorant comprises fine organic pigment particles or fine organic dye particles having an acetic acid adsorption heat in n-heptane of from 0.1 mJ/m.sup.2 to 80 mJ/m.sup.2.

摘要翻译： 用于显影静电图像的彩色调色剂具有含有粘合剂树脂和着色剂的彩色调色剂颗粒。 彩色调色剂颗粒是通过混合至少含有可聚合单体，着色剂和聚合引发剂的混合物制备可聚合单体组合物，将可聚合单体组合物分散在水性介质中进行造粒，并将可聚合单体聚合 水介质。 着色剂包括在正庚烷中具有0.1mJ / m 2至80mJ / m 2的乙酸吸附热的精细有机颜料颗粒或精细有机染料颗粒。

公开(公告)号：US5529873A

公开(公告)日：1996-06-25

申请号：US229222

申请日：1994-04-18

申请人： Tatsuhiko Chiba ,  Takashige Kasuya ,  Tatsuya Nakamura ,  Makoto Kanbayashi ,  Kazuyuki Miyano ,  Koji Inaba

发明人： Tatsuhiko Chiba ,  Takashige Kasuya ,  Tatsuya Nakamura ,  Makoto Kanbayashi ,  Kazuyuki Miyano ,  Koji Inaba

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/00

CPC分类号： G03G9/0806 ,  G03G9/0821 ,  G03G9/08706 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08782

摘要： A toner for developing electrostatic images which comprises a toner particle produced by polymerizing a polymerizable monomer composition,wherein the toner particle contains 0.1-9.0% by weight of a modified polyester resin having one or more monomer units selected from a group consisting of styrene type monomer, acrylic monomer, and methacrylic monomer 16-50% by weight of a wax having a melting point of 50.degree.-95.degree. C., and 0.01-5.0% by weight of a charge controlling agent;the resin component of the toner particle has a weight average molecular weight of 5,000-45,000;and the toner particle has water absorption of 300-5,000 ppm.

摘要翻译： 一种用于静电图像显影的调色剂，其包含通过使可聚合单体组合物聚合而制备的调色剂颗粒，其中所述调色剂颗粒含有0.1-9.0重量％的具有一个或多个单体单元的改性聚酯树脂，所述单体单元选自苯乙烯型单体 丙烯酸类单体和甲基丙烯酸单体，16-50重量％的熔点为-50℃-95℃的蜡和0.01-5.0重量％的电荷控制剂; 调色剂颗粒的树脂组分的重均分子量为5,000-45,000; 并且调色剂颗粒具有300-5,000ppm的吸水率。

公开(公告)号：US5529865A

公开(公告)日：1996-06-25

申请号：US254757

申请日：1994-06-06

申请人： Makoto Kanbayashi ,  Tsuyoshi Takiguchi ,  Wakashi Iida

发明人： Makoto Kanbayashi ,  Tsuyoshi Takiguchi ,  Wakashi Iida

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/097 ,  G03G13/01 ,  G03G15/00 ,  G03G15/01 ,  G03G15/20

CPC分类号： G03G9/09716 ,  G03G13/01 ,  G03G9/0819 ,  G03G9/0918

摘要： An image forming method includes the steps of:(1) forming a first unfixed image of color toner on one side of a transfer material, wherein the color toner has a weight average particle size of 3 to 7 .mu.m and includes color toner particles having a particle size of 4 .mu.m or less in a range of 10 to 70 by number, color toner particles having a particle size of 5.04 .mu.m or less in a range of 40% by number or more, color toner particles having a particle size of 8 .mu.m or more in a range of 2 to 20% by volume, and color toner particles having a particle size of 10.08 .mu.m or more in a range of 6% by volume or less; (2) heating and melting the color toner of the first unfixed image by heating, pressing and fixing means which includes a rotation body for fixing having an elastic layer to fix the first unfixed image to the one side of the transfer material; (3) forming a second unfixed image of color toner on the other side of the transfer material, wherein the color toner has a weight average particle size of 3 to 7 .mu.m and includes color toner particles having a particle size of 4 .mu.m or less in a range of 10 to 70% by number, color toner particles having a particle size of 5.04 .mu.m or less in a range of 40% by number or more, color toner particles having a particle size of 8 .mu.m or more in a range of 2 to 20% by volume, and color toner particles having a particle size of 10.08 .mu.m or more in a range of 6% by volume or less; and (4) heating and melting a color toner of the second fixed image by the heating, pressing and fixing means to fix the second unfixed image to the other side of the transfer material, whereby color images are formed on both sides of the transfer material.

摘要翻译： 图像形成方法包括以下步骤：（1）在转印材料的一侧上形成彩色调色剂的第一未定影图像，其中，所述彩色调色剂具有3至7μm的重均粒径，并且包括具有 在数量范围为10〜70范围内的4μm以下的粒径，40个数以上的粒径为5.04μm以下的彩色调色剂颗粒，具有粒径 在2〜20体积％的范围内为8μm以上的颜色调色剂颗粒和6体积％以下的粒径为10.08μm以上的彩色调色剂颗粒; （2）通过加热和加压固定装置对第一未定影图像的彩色调色剂进行加热和熔融，其包括：具有弹性层的固定用旋转体，将第一未定影图像固定在转印材料的一侧; （3）在转印材料的另一侧上形成彩色调色剂的第二未定影图像，其中，彩色调色剂具有3至7μm的重均粒径，并且包括粒径为4μm的彩色调色剂颗粒或 少于10〜70个数量的范围，在40个数量以上的范围内具有5.04μm以下的粒径的彩色调色剂颗粒，具有8μm以上的粒径的彩色调色剂颗粒 2〜20体积％的范围和6体积％以下的粒径为10.08μm以上的彩色调色剂颗粒; 和（4）通过加热，按压和固定装置加热和熔化第二固定图像的彩色调色剂，以将第二未定影图像固定到转印材料的另一侧，从而在转印材料的两侧形成彩色图像 。