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21.发明授权Toner for developing electrostatic charged images and developer for developing electrostatic charged images, and image forming method using the same 有权用于显影静电荷图像的调色剂和用于显影静电荷图像的显影剂，以及使用其的图像形成方法公开(公告)号：US07214459B2
公开(公告)日：2007-05-08
申请号：US10935134
申请日：2004-09-08
申请人： Akihiro Iizuka , Atsuhiko Eguchi , Masahiro Okita , Yasuhiro Oya
发明人： Akihiro Iizuka , Atsuhiko Eguchi , Masahiro Okita , Yasuhiro Oya
IPC分类号： G03G9/00
CPC分类号： G03G9/09733 , G03G9/0827 , G03G9/097
摘要： The invention provides a toner for developing electrostatic charged images comprising toner mother particles containing a binder resin and a colorant, and an external additive, wherein: the average of shape factors SF1 of the toner mother particles represented by the following Formula (1) is 140 or less; the external additive contains higher alcohol particles having a volume-average particle diameter of 1 to 12 μm; and the content of the higher alcohol particles having a diameter equal to or less than the volume-average particle diameter of the toner mother particles is in a range of 0.15 to 2.5 parts by weight with respect to 100 parts by weight of the toner mother particles. In addition, the invention provides a developer for developing electrostatic charged images comprising the toner. Further, the invention provides an image forming method using the toner.
摘要翻译： 本发明提供一种用于显影静电荷图像的调色剂，其包含含有粘合剂树脂和着色剂的调色剂母粒子和外部添加剂，其中：由下式（1）表示的调色剂母粒子的形状因子SF 1的平均值为 140以下; 外部添加剂含有体积平均粒径为1〜12μm的高级醇粒子; 相对于100重量份的调色剂母粒子，直径等于或小于调色剂母粒的体积平均粒径的高级醇粒子的含量在0.15〜2.5重量份的范围内 。 此外，本发明提供了一种显影剂，用于显影包含调色剂的静电荷图像。 此外，本发明提供了一种使用调色剂的成像方法。
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公开(公告)号：US06379857B1
公开(公告)日：2002-04-30
申请号：US09707932
申请日：2000-11-08
申请人： Tetsuya Taguchi , Akihiro Iizuka , Koutarou Yoshihara , Susumu Yoshino , Haruhide Ishida , Rieko Kataoka
发明人： Tetsuya Taguchi , Akihiro Iizuka , Koutarou Yoshihara , Susumu Yoshino , Haruhide Ishida , Rieko Kataoka
IPC分类号： G03G1314
CPC分类号： G03G9/0823 , G03G13/013 , G03G2215/0609
摘要： Provided is a method for image formation capable of stably outputting high-quality images with no image density unevenness for a long period of time, in which the images formed are free from image defects of edge deletions and other deletions therein and which ensures good and uniform developability everywhere in the latent image region to be developed with preventing the latent image support used from being degraded. The method includes a step of forming a latent image on a latent image support, a step of developing the latent image on the latent image support with a two-component developer on a developer support disposed to face the latent image support, and a step of transferring the thus-developed toner image onto a transfer medium, wherein the developer support is a cylindrical sleeve having a diameter of at most 20 mm or the latent image support is a cylindrical sleeve having a diameter of at most 40 mm, and the resistance of the two-component developer is at least 1013&OHgr; in an electric field of 2 V/&mgr;m.
摘要翻译： 本发明提供一种图像形成方法，其能够稳定地输出长时间没有图像浓度不均匀的高质量图像，其中所形成的图像没有边缘缺失的图像缺陷和其他缺失，并且确保良好和均匀 在潜像图像区域中随处可见的显影性能可以防止所使用的潜像支持物降解。 该方法包括在潜像载体上形成潜像的步骤，用设置在与潜像载体相对的显影剂载体上的双组分显影剂将潜影载体上的潜像显影的步骤，以及步骤 将如此显影的调色剂图像转印到转印介质上，其中显影剂载体是直径至多为20mm的圆柱形套筒，或潜像载体为直径至多为40mm的圆柱形套筒， 双组分显影剂在2V / m 2的电场中为至少1013OMEGA。
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公开(公告)号：US6096466A
公开(公告)日：2000-08-01
申请号：US244127
申请日：1999-02-04
CPC分类号： G03G13/09 , G03G9/10 , G03G9/107 , G03G9/1139 , G03G2215/0177
摘要： A developer for replenishment for use in a developing system in which a latent image on a latent image holding member is developed with a developing unit containing a two-component developer comprising a toner and a carrier while replenishing the developer with a developer for replenishment, the developer for replenishment comprising a carrier and from 1 to 30 parts by weight of a toner per 1 part by weight of the carrier, and the developer for replenishment having an electrical resistance substantially equal to that of the carrier previously contained in the developing unit, but giving a larger charge quantity to the toner than the carrier previously contained in the developing unit does. Also disclosed is a developing method using the developer for replenishment.
摘要翻译： 一种用于补充显影剂的显影剂，其中潜像保持部件上的潜像用显影单元显影，所述显影单元含有包含调色剂和载体的双组分显影剂，同时用用于补充的显影剂补充显影剂， 用于补充的显影剂，其包含载体和每1重量份载体1至30重量份的调色剂，并且用于补充的显影剂具有基本上等于显影单元中预先包含的载体的电阻，但是 相对于先前容纳在显影单元中的载体，赋予调色剂更大的电荷量。 还公开了一种使用显影剂进行补充的开发方法。
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公开(公告)号：US5693444A
公开(公告)日：1997-12-02
申请号：US762875
申请日：1996-12-12
CPC分类号： G03G9/0819 , G03G9/097 , G03G9/107
摘要： An electrostatic-image developer which comprises a toner and a carrier comprising core particles coated with a coating resin, wherein the toner comprises toner particles having a volume-average particle diameter of from 3 to 9 .mu.m and having a specific particle diameter distribution, at least 20% of the total surface area of the toner particles is covered with (a) an external additive having an average particle diameter of from 20 nm to 100 nm, and at least 40% of the total surface area of the toner particles is covered with (b) an external additive having an average particle diameter of from 7 nm to 20 nm, and wherein the core particles of the carrier are magnetic particles formed from a composition comprising 100 parts by weight of a ferrite component represented by the following formula (3): (M.sub.y O).sub.100-x (Fe.sub.2 O.sub.3).sub.x (3) (wherein M is a metal atom selected from the group consisting of Li, Mg, Ca and Mn; x is from 45 to 95 mol %; and y is 1 or 2) and from 0.01 to 10 parts by weight of an oxide of at least one element selected from the group consisting of Groups IA, IIA, IIIA, IVA, VA, IIIB, IVB, and VB of the periodic table by granulating the composition and sintering the granules, and the magnetic particles have a silicon content of from 500 to 5,000 ppm. An image forming process using the developer is also disclosed.
摘要翻译： 一种静电图像显影剂，其包含调色剂和载体，所述载体包含涂覆有涂层树脂的芯颗粒，其中所述调色剂包含体积平均粒径为3至9μm并具有特定粒径分布的调色剂颗粒， 调色剂颗粒的总表面积的至少20％用（a）平均粒径为20nm至100nm的外部添加剂覆盖，并且调色剂颗粒的总表面积的至少40％被覆盖 （b）平均粒径为7nm〜20nm的外部添加剂，其中载体的核心颗粒是由包含100重量份由下式表示的铁氧体组分的组合物形成的磁性颗粒（ 3）:( MyO）100-x（Fe 2 O 3）x（3）（其中M为选自Li，Mg，Ca和Mn的金属原子; x为45〜95摩尔％，y为1 或2）和0.01至10重量份的氧化物 e的至少一种选自元素周期表的IA，IIA，IIIA，IVA，VA，IIIB，IVB和VB族的元素，通过将组合物制粒并烧结颗粒，并且磁性颗粒具有硅含量 为500〜5000ppm。 还公开了使用显影剂的成像方法。
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25.发明申请Toner for developing electrostatic charged images and developer for developing electrostatic charged images, and image forming method using the same 有权用于显影静电荷图像的调色剂和用于显影静电荷图像的显影剂，以及使用其的图像形成方法公开(公告)号：US20050164109A1
公开(公告)日：2005-07-28
申请号：US10935134
申请日：2004-09-08
申请人： Akihiro Iizuka , Atsuhiko Eguchi , Masahiro Okita , Yasuhiro Oya
发明人： Akihiro Iizuka , Atsuhiko Eguchi , Masahiro Okita , Yasuhiro Oya
CPC分类号： G03G9/09733 , G03G9/0827 , G03G9/097
摘要： The invention provides a toner for developing electrostatic charged images comprising toner mother particles containing a binder resin and a colorant, and an external additive, wherein: the average of shape factors SF1 of the toner mother particles represented by the following Formula (1) is 140 or less; the external additive contains higher alcohol particles having a volume-average particle diameter of 1 to 12 μm; and the content of the higher alcohol particles having a diameter equal to or less than the volume-average particle diameter of the toner mother particles is in a range of 0.15 to 2.5 parts by weight with respect to 100 parts by weight of the toner mother particles. In addition, the invention provides a developer for developing electrostatic charged images comprising the toner. Further, the invention provides an image forming method using the toner.
摘要翻译： 本发明提供一种用于显影静电荷图像的调色剂，其包含含有粘合剂树脂和着色剂的调色剂母粒子和外部添加剂，其中：由下式（1）表示的调色剂母粒子的形状因子SF1的平均值为140 或更少; 外部添加剂含有体积平均粒径为1〜12μm的高级醇粒子; 相对于100重量份的调色剂母粒子，直径等于或小于调色剂母粒的体积平均粒径的高级醇粒子的含量在0.15〜2.5重量份的范围内 。 此外，本发明提供了一种显影剂，用于显影包含调色剂的静电荷图像。 此外，本发明提供了一种使用调色剂的成像方法。
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公开(公告)号：US6101358A
公开(公告)日：2000-08-08
申请号：US418826
申请日：1999-10-15
摘要： Provided is an image-forming method including a step of forming a layer of a developer on a surface of a developer support member disposed facing a latent image support member, a developing step of developing an electrostatic latent image on the latent image support member using the layer of the developer formed to obtain a toner image, a transferring step of transferring the toner image onto a transfer material and a fixing step of fixing the transferred toner image, wherein the developer support member has therein a development magnetic pole in which a magnetic force of a main pole is 100 mT or more, said developer having a toner and a carrier which has a volume average particle diameter of 50 .mu.m or less, and image formation method is conducted at a process speed of 200 mm/sec or more.In the image-forming method of the invention, high-quality images free from blurring in a half-tone portion adjacent to a solid image can be formed in a high-speed image-forming process using the two-component developer of a small particle diameter without migration of the carrier into the latent image.
摘要翻译： 提供了一种图像形成方法，包括在面向潜像支撑部件设置的显影剂支撑部件的表面上形成显影剂层的步骤，使用该显影步骤使潜像支撑部件上的静电潜像显影 形成以获得调色剂图像的显影剂层，将调色剂图像转印到转印材料上的转印步骤和固定转印的调色剂图像的定影步骤，其中显影剂支撑构件中具有显影磁极，其中磁力 所述显影剂具有体积平均粒径为50μm以下的调色剂和载体，以200mm / sec以上的处理速度进行图像形成方法。 在本发明的图像形成方法中，可以在使用小粒子的双组分显影剂的高速图像形成处理中形成没有与实心图像相邻的半色调部分中的模糊的高质量图像 直径，而不会使载体迁移到潜像中。
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