公开(公告)号：US20040185364A1

公开(公告)日：2004-09-23

申请号：US10815790

申请日：2004-04-02

申请人： Kao Corporation

发明人： Yutaka Kanamaru ,  Hidenori Tachi ,  Shinji Moriyama ,  Yoshihiro Fukushima

IPC分类号： G03G009/087

CPC分类号： G03G9/08702 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08797

摘要： A toner for development of electrostatic latent images, comprising a resin binder comprising a resin having a softening point of from 120null to 170null C., a glass transition point of from 58null to 75null C., and a percentage of chloroform-insoluble component of from 5 to 50% by weight; and a resin having a softening point of 90null C. or more and less than 120null C., a glass transition point of from 58null to 75null C., and a percentage of chloroform-insoluble component of less than 5% by weight; and at least one low-melting point wax having a melting point of from 60null to 90null C. The toner for development of electrostatic latent images has low lowest fixing temperature and is excellent in the offset resistance, the blocking resistance and the durability.

摘要翻译： 一种用于显影静电潜像的调色剂，包括树脂粘合剂，其包含软化点为120-170℃的树脂，玻璃化转变温度为58℃至75℃，以及氯仿 - 不溶组分为5至50重量％; 和软化点为90℃以上且低于120℃，玻璃化转变温度为58℃〜75℃，不溶于氯仿的成分的比例小于5％的树脂，由 重量; 和至少一种熔点为60℃至90℃的低熔点蜡。用于显影静电潜像的调色剂具有最低的定影温度，并且抗偏移性，耐粘连性和耐久性优异。

公开(公告)号：US20040197691A1

公开(公告)日：2004-10-07

申请号：US10815650

申请日：2004-04-02

申请人： KAO CORPORATION

发明人： Shinji Moriyama ,  Yoshihiro Fukushima ,  Hidenori Tachi

IPC分类号： G03G009/09

CPC分类号： G03G9/0904 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0902

摘要： A toner for electrostatic image development, containing a resin binder; and a colorant containing a charcoal powder, wherein the charcoal powder has a volume-based median particle size (D50) of 5.6 nullm or less, and a coefficient of variation of 80% or less; a two-component developer containing the toner and a carrier; and a process for development of a two-component developer, including the step of applying the two-component developer to a developing device for two-component development. The toner can be suitably used for, for instance, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

摘要翻译： 一种静电显影用调色剂，含有树脂粘合剂; 和含有炭粉的着色剂，其中所述炭粉具有5.6μm或更小的基于体积的中值粒径（D50），并且变异系数为80％以下; 含有调色剂和载体的双组分显影剂; 以及用于开发双组分显影剂的方法，包括将双组分显影剂应用于用于双组分显影的显影装置的步骤。 调色剂可以适合用于例如在电子照相术，静电记录方法，静电印刷方法等中形成的潜像的显影。

公开(公告)号：US20040116621A1

公开(公告)日：2004-06-17

申请号：US10686618

申请日：2003-10-17

申请人： Kao Corporation

发明人： Eiji Morimoto ,  Hidenori Tachi ,  Katsutoshi Aoki

IPC分类号： C08G063/91

CPC分类号： G03G9/08755 ,  C08G63/20 ,  C08G63/916 ,  G03G9/08795 ,  G03G9/08797

摘要： A resin composition having a softening point of from 80null to 165null C., obtained by reacting a poly C2-4 alkylene terephthalate having a melting point of 200null C. or more with a low-molecular weight polyester having a number-average molecular weight of from 400 to 2500; a resin binder for a toner comprising the above resin composition; a toner comprising the above resin binder; a process for preparing a resin composition having a softening point of from 80null to 165null C., comprising the step of reacting a poly C2-4 alkylene terephthalate having a melting point of 200null C. or more with a low-molecular weight polyester having a number-average molecular weight of from 400 to 2500. The resin composition can be suitably used as a resin binder for a toner used for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing, and the like

摘要翻译： 通过使熔点为200℃以上的聚C2-4亚烷基对苯二甲酸酯与具有数均分子量的低分子量聚酯反应而得到的软化点为80〜165℃的树脂组合物 分子量为400〜2500; 包含上述树脂组合物的调色剂用树脂粘合剂; 包含上述树脂粘合剂的调色剂; 一种制备软化点为80〜165℃的树脂组合物的方法，包括使熔点为200℃以上的聚C2-4亚烷基对苯二甲酸酯与低分子量 数均分子量为400〜2500的聚酯。树脂组合物可以适合用作用于显影电子照相，静电记录方法，静电印刷等形成的静电潜像的调色剂的树脂粘合剂

公开(公告)号：US20040072090A1

公开(公告)日：2004-04-15

申请号：US10679491

申请日：2003-10-07

申请人： Kao Corporation

发明人： Hidenori Tachi ,  Shinji Moriyama ,  Yoshihiro Fukushima

IPC分类号： G03G009/09

CPC分类号： G03G9/09708 ,  G03G9/0819 ,  G03G9/08782 ,  G03G9/0902

摘要： A toner comprising a resin binder and a colorant comprising a composite oxide of two or more metals, wherein the composite oxide has a BET specific surface area of 0.5 to 7 m2/g and a saturation magnetization of from 1 to 40 Am2/kg; and a two-component developer comprising the above toner and a carrier having a saturation magnetization of from 40 to 100 Am2/kg. The toner can be used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

摘要翻译： 一种包含树脂粘合剂和包含两种或更多种金属的复合氧化物的着色剂的调色剂，其中复合氧化物的BET比表面积为0.5-7m 2 / g，饱和磁化强度为1至40Am， 2> / kg; 和包含上述调色剂和饱和磁化强度为40至100Am 2 / kg的载体的双组分显影剂。 调色剂可用于显影在电子照相术，静电记录方法，静电印刷方法等中形成的潜像。