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    Toner having negative triboelectric chargeability and image forming method
    2.
    发明授权
    Toner having negative triboelectric chargeability and image forming method 有权
    具有负摩擦带电性和图像形成方法的调色剂

    公开(公告)号：US06232027B1

    公开(公告)日：2001-05-15

    申请号：US09318776

    申请日：1999-05-26

    申请人： Satoshi Matsunaga ,  Toshiaki Nakahara ,  Yuichi Mizoh ,  Hirohide Tanikawa ,  Minekazu Endo ,  Tadashi Doujo ,  Nene Shibayama

    发明人： Satoshi Matsunaga ,  Toshiaki Nakahara ,  Yuichi Mizoh ,  Hirohide Tanikawa ,  Minekazu Endo ,  Tadashi Doujo ,  Nene Shibayama

    IPC分类号： G03G9087

    CPC分类号： G03G9/09783 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/09741 ,  G03G9/0975

    摘要： A toner having a negative triboelectric chargeability is constituted by at least a binder resin, a colorant and an organic metal compound. The toner is characterized by: (a) the organic metal compound is an organic zirconium compound comprising a coordination or/and a bonding of zirconium and an aromatic compound as a ligand or/and an acid source selected from the group consisting of aromatic diols, aromatic hydroxycarboxylic acids, aromatic monocarboxylic acids, and aromatic polycarboxylic acids, (b) the binder resin is a resin selected from the group consisting of (i) a polyester resin and (ii) a hybrid resin component comprising a polyester unit and a vinyl polymer unit, (c) the binder resin has an acid value of 2-50 mgKOH/g, and (d) the toner contains a TFT (tetrahydrofuran)-soluble content providing a GPC (gel permeation chromatography) chromatogram exhibiting a main peak in a molecular weight range of 3,000-20,000 and including 3-25% of a component having molecular weights of at least 5×105.

    摘要翻译： 具有负摩擦带电性的调色剂至少由粘合剂树脂，着色剂和有机金属化合物构成。 调色剂的特征在于：（a）有机金属化合物是一种有机锆化合物，其包含锆和作为配体的芳族化合物的配位或/和键合，和/或选自芳族二醇， （b）粘合剂树脂是选自（i）聚酯树脂和（ii）包含聚酯单元和乙烯基聚合物的杂化树脂组分的树脂中的一种树脂 单元，（c）粘合剂树脂的酸值为2-50mgKOH / g，（d）调色剂含有提供GPC（凝胶渗透色谱）色谱的TFT（四氢呋喃） - 可溶性含量， 分子量范围为3,000-20,000，并且包括3-25％的分子量至少为5×10 5的成分。

    Toner and image forming method
    3.
    发明授权
    Toner and image forming method 有权
    调色剂和成像方法

    公开(公告)号：US5976752A

    公开(公告)日：1999-11-02

    申请号：US135167

    申请日：1998-08-18

    申请人： Satoshi Matsunaga ,  Koichi Tomiyama ,  Yuichi Mizoh ,  Keita Nozawa ,  Minekazu Endo ,  Tadashi Doujo ,  Yoshihiro Ogawa ,  Nene Shibayama

    发明人： Satoshi Matsunaga ,  Koichi Tomiyama ,  Yuichi Mizoh ,  Keita Nozawa ,  Minekazu Endo ,  Tadashi Doujo ,  Yoshihiro Ogawa ,  Nene Shibayama

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

    CPC分类号： G03G9/08755 ,  G03G9/087 ,  G03G9/08702 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/08797

    摘要： An electrophotographic toner is composed of at least a binder resin, a colorant, and a wax. The binder resin (a) comprises a polyester resin, a vinyl resin and a hybrid resin component comprising a polyester unit and a vinyl polymer unit, (b) has a THF (tetrahydrofuran)-soluble content (W1) of 50-85 wt. % and a THF-insoluble content (W2) of 5-50 wt. %, an ethyl acetate-soluble content (W3) of 40-98 wt. % and an ethyl acetate-insoluble content (W4) of 2-60 wt. %, a chloroform-soluble content (W5) of 55-90 wt. % and a chloroform-insoluble content (W6) of 10-45 wt. %, respectively after 10 hours of Soxhlet extraction with respective solvents, giving a ratio W4/S6 of 1.1-4.0, and contains a THF-soluble content providing a GPC (gel permeation chromatography) chromatogram exhibiting a main peak in a molecular weight range of 4000-9000, including 35.0-65.0% (A1) of a component haing molecular weights in a range of 500 to below 1.times.10.sup.4, 25.0-45.0% (A2) of a component having molecular weights in a range of 1.times.10.sup.4 to below 1.times.10.sup.5 and 10.0-30.0% (A3) of a component having molecular weights of at least 1.times.10.sup.5 giving a ratio A1/A2 of 1.05-2.00. The binder resin shows good dispersibility of wax and colorant.

    摘要翻译： 电子照相调色剂由至少粘合剂树脂，着色剂和蜡组成。 粘合剂树脂（a）包括聚酯树脂，乙烯基树脂和包含聚酯单元和乙烯基聚合物单元的混合树脂组分，（b）具有50-85重量％的THF（四氢呋喃） - 可溶成分（W1） ％和THF不溶物含量（W2）为5-50wt。 ％，40-98重量％的乙酸乙酯可溶物含量（W3） ％，乙酸乙酯不溶物含量（W4）为2-60wt。 ％，55-90重量％的氯仿可溶物含量（W5） ％，氯仿不溶物含量（W6）为10-45wt。 ％，分别用各自的溶剂提取索氏提取10小时后，得到比例W4 / S6为1.1-4.0，并含有THF可溶性成分，提供在分子量范围内显示主峰的GPC（凝胶渗透色谱）色谱图 4000-9000，包括分子量在500至低于1×10 4范围内的分子量为35.0-65.0％（A1），分子量为1×104至低于1×10 5的组分的25.0-45.0％（A2）和10.0 -30.0％（A3）的分子量为至少1×10 5的组分，其A1 / A2比为1.05-2.00。 粘合剂树脂表现出良好的蜡和着色剂的分散性。

    Toner for developing electrostatic image containing specified double oxide particles
    4.
    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 method and process-cartridge
    5.
    发明授权
    Toner for developing electrostatic image, image forming method and process-cartridge 失效
    用于显影静电图像，成像方法和处理盒的调色剂

    公开(公告)号：US5695902A

    公开(公告)日：1997-12-09

    申请号：US749635

    申请日：1996-11-15

    申请人： Yushi Mikuriya ,  Yuichi Mizoh ,  Tadashi Doujo

    发明人： Yushi Mikuriya ,  Yuichi Mizoh ,  Tadashi Doujo

    IPC分类号： G03G9/097 ,  G03G13/22

    CPC分类号： G03G9/09716 ,  G03G9/09708

    摘要： A toner for developing an electrostatic image is formed as a mixture of toner particles containing at least a binder resin and a colorant, and inorganic fine powder. The inorganic fine powder includes: (A) inorganic fine powder (A) treated at least with silicone oil, and (B) inorganic fine powder (B) comprising a composite metal oxide including at least Si as a constituent element and having a weight-average particle size of 0.3-5 .mu.m. Because of the inclusion of the two types of inorganic fine powders (A) and (B), the toner is stably provided with a high flowability and a high triboelectric charge under various environmental conditions including low-humidity to high-humidity conditions. The toner is suitably used in an image forming system including a contact-charging means, a contact-transfer means and a film (or surf)-fixing system.

    摘要翻译： 作为静电图像显影用调色剂形成为至少含有粘合剂树脂和着色剂的调色剂颗粒和无机细粉末的混合物。 无机细粉末包括：（A）至少用硅油处理的无机细粉末（A）和（B）无机细粉末（B），其包含至少包含Si作为构成元素的复合金属氧化物， 平均粒径0.3-5μm。 由于包含两种类型的无机细粉（A）和（B），调色剂在包括低湿度至高湿条件的各种环境条件下稳定地具有高流动性和高摩擦电荷。 调色剂适用于包括接触充电装置，接触转移装置和膜（或冲洗） - 混合系统的图像形成系统。

    Toner for developing electrostatic image
    6.
    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 images
    7.
    发明授权
    Toner for developing electrostatic images 失效
    用于显影静电图像的调色剂

    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。

    Toner for developing electrostatic image, image forming apparatus and process cartridge
    9.
    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
    10.
    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。