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公开(公告)号:US20100330491A1
公开(公告)日:2010-12-30
申请号:US12816598
申请日:2010-06-16
申请人: Kouji SUGAMA , Masahiko NAKAMURA , Masahiro ANNO , Shiro HIRANO , Junya ONISHI , Tatsuya FUJISAKI
发明人: Kouji SUGAMA , Masahiko NAKAMURA , Masahiro ANNO , Shiro HIRANO , Junya ONISHI , Tatsuya FUJISAKI
IPC分类号: G03G9/08
CPC分类号: G03G9/0804 , G03G9/09321 , G03G9/09342 , G03G9/09364 , G03G9/09392 , G03G9/09708
摘要: Provided is an electrostatic charge image developing toner producing neither halftone image unevenness nor density drop of solid images, even though a large number of print sheets are printed at high temperature and high humidity, and subsequently printing is further carried out at high temperature and high humidity after standing for a long time. Disclosed is an electrostatic charge image developing toner containing 3-10% by weight of at least one metal fluoride selected from the group consisting of sodium fluoride, magnesium fluoride, calcium fluoride, barium fluoride and aluminum fluoride, based on a total weight of the toner.
摘要翻译: 即使在高温高湿下印刷大量的打印纸,也可以在高温高湿下进一步进行印刷,即使不产生半色调图像不均匀也不产生实心图像的浓度下降的静电荷图像显影调色剂 后站了很久。 公开了一种静电荷图像显影调色剂,其含有3-10重量%的至少一种选自氟化钠,氟化镁,氟化钙,氟化钡和氟化铝的金属氟化物,基于调色剂的总重量 。
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公开(公告)号:US20090233205A1
公开(公告)日:2009-09-17
申请号:US12398242
申请日:2009-03-05
申请人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
发明人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
IPC分类号: G03G9/083
CPC分类号: G03G9/09708 , G03G9/10 , G03G9/107 , G03G9/1133 , G03G9/1135
摘要: Provided is a two-component developer with which degradation of development is inhibited even in the case of prolonged use, and thereby a high quality image exhibiting high resolution and sufficient image density can be formed for a long duration. Also disclosed is a two-component developer possessing a carrier and a toner, wherein the carrier in which magnetic material powder is dispersed in a binder resin containing a phenol formaldehyde resin has a shape coefficient SF-1 of 1.0-1.2, a shape coefficient SF-2 of 1.1-2.5 and a volume-based median particle diameter of 10-100 μm, and the toner possesses a colored particle and an external additive particle, wherein the external additive particle comprises a titanic acid compound and iron, and the iron content is 100-1,000 ppm, based on the titanic acid compound.
摘要翻译: 提供了即使在长时间使用的情况下也可以抑制显影劣化的双组分显影剂,从而可以长时间形成表现出高分辨率和足够的图像浓度的高质量图像。 还公开了具有载体和调色剂的双组分显影剂,其中磁性材料粉末分散在含有酚醛树脂的粘合剂树脂中的载体具有1.0-1.2的形状系数SF-1,形状系数SF -2的1.1-2.5,体积基准的中值粒径为10-100μm,并且调色剂具有着色颗粒和外部添加剂颗粒,其中外部添加剂颗粒包含钛酸化合物和铁,铁含量 为100-1,000ppm,基于钛酸化合物。
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公开(公告)号:US20090233202A1
公开(公告)日:2009-09-17
申请号:US12397989
申请日:2009-03-04
申请人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
发明人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
IPC分类号: G03G9/107
CPC分类号: G03G9/10 , G03G9/09708 , G03G9/09716 , G03G9/09725 , G03G9/107 , G03G9/1075
摘要: A two component developer comprising a toner and a carrier, wherein the toner includes: colored particles; and external additive particles comprising a complex oxide incorporating silicon atoms and at least one of titanium atoms and aluminum atoms, and a surface existing ratio of the silicon atoms (R2) in a surface of the external additive particles being larger than an average existing ratio of the silicon atoms (R1) in an entirety of the external additive particles, and carrier particles comprise magnetic material powder dispersed in a phenol-formaldehyde resin, and have an average of the shape coefficient SF-1 of 1.0 to 12 and an average of the shape coefficient SF-2 of 1.1 to 2.5, and a volume based median diameter of from 10 to 100 μm.
摘要翻译: 包含调色剂和载体的双组分显影剂,其中所述调色剂包括:着色颗粒; 以及外部添加剂颗粒,其包含并入硅原子和钛原子和铝原子中的至少一个的复合氧化物,并且外部添加剂颗粒的表面中硅原子(R2)的表面存在比例大于 整个外部添加剂颗粒中的硅原子(R1),载体颗粒包括分散在酚醛树脂中的磁性材料粉末,并且其形状系数SF-1的平均值为1.0至12,平均值为 形状系数SF-2为1.1〜2.5,体积基准中值粒径为10〜100μm。
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公开(公告)号:US20090239171A1
公开(公告)日:2009-09-24
申请号:US12406259
申请日:2009-03-18
申请人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
发明人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
IPC分类号: G03G9/087
CPC分类号: G03G9/0819 , G03G9/0821 , G03G9/0827 , G03G9/08755 , G03G9/0902 , G03G9/09708 , G03G9/09716 , G03G9/09725
摘要: It is to provide a toner which can form an image of high image quality exhibiting high resolution wherein a final visible image exhibits high image density and high thin-line reproducibility even in long-term use. In a toner incorporating at least a colored particle containing a binder resin composed of a polyester resin and a colorant, and external additive particles, the toner has a degree of average circularity of 0.950-0.990, a volume based median diameter of 4.5-8.0 μm, a volume based particle diameter dispersibility (CVVOL value) of 15-25; a metal selected from titanium, germanium, and aluminum is incorporated at a ratio of 10-1500 ppm; the above external additive particles is composed of a composite oxide incorporating a silicon atom and at least either of a titanium atom and an aluminum atom; and the existence ratio of silicon atoms in the surface thereof is higher than the existence ratio of silicon atoms in the entire part thereof.
摘要翻译: 本发明提供一种可以形成高分辨率的高质量图像的调色剂,其中即使在长期使用中,最终的可见图像表现出高图像密度和高的细线再现性。 在至少包含含有由聚酯树脂和着色剂构成的粘合剂树脂的着色颗粒和外部添加剂颗粒的调色剂中,调色剂的平均圆形度为0.950-0.990,体积基准中值直径为4.5-8.0μm ,基于体积的粒径分散性(CVVOL值)为15-25; 选自钛,锗和铝的金属以10-1500ppm的比例掺入; 上述外部添加剂颗粒由包含硅原子和钛原子和铝原子中的至少一个的复合氧化物组成; 并且其表面中的硅原子的存在比率高于其整个部分中硅原子的存在比。
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公开(公告)号:US20090208862A1
公开(公告)日:2009-08-20
申请号:US12372109
申请日:2009-02-17
申请人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
发明人: Masahiro ANNO , Masahiko NAKAMURA , Tsuyoshi UCHIDA , Kenichi ONAKA , Junya ONISHI , Naoya TONEGAWA
CPC分类号: G03G9/09725 , G03G9/09708 , G03G15/0865 , G03G15/0868 , G03G15/0879 , G03G2215/0607
摘要: Provided is a method for forming an image containing the steps of: (a) forming an electrostatic latent image on an electrostatic latent image carrier; and (b) developing the electrostatic latent image by a two component developer comprising a toner and a carrier, wherein the two component developer is continually replenished in the developing step. (b); and the toner includes: colored particles.; and external additive particles comprising a complex oxide incorporating silicon atoms and at least one of titanium atoms and aluminum atoms, and a surface existing ratio of the silicon atoms (R2) in a surface of the external additive particles being larger than an average existing ratio of the silicon atoms (R1) in an entirety of the external additive particles.
摘要翻译: 提供一种形成图像的方法,包括以下步骤:(a)在静电潜像载体上形成静电潜像; 和(b)通过包含调色剂和载体的双组分显影剂显影静电潜像,其中在显影步骤中不断补充双组分显影剂。 (b); 并且调色剂包括:有色颗粒。 以及外部添加剂颗粒,其包含并入硅原子和钛原子和铝原子中的至少一个的复合氧化物,并且外部添加剂颗粒的表面中的硅原子(R2)的表面存在比例大于 整个外部添加剂颗粒中的硅原子(R1)。
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公开(公告)号:US20070297822A1
公开(公告)日:2007-12-27
申请号:US11765183
申请日:2007-06-19
申请人: Eiichi YOSHIDA , Masahiko NAKAMURA , Masahiro ANNO , Kaori SOEDA , Tomoko MINE , Kenichi ONAKA
发明人: Eiichi YOSHIDA , Masahiko NAKAMURA , Masahiro ANNO , Kaori SOEDA , Tomoko MINE , Kenichi ONAKA
IPC分类号: G03G13/10
CPC分类号: G03G9/0819 , G03G9/0821 , G03G9/0827 , G03G9/10 , G03G9/1133
摘要: Disclosed is an image forming method comprising developing a latent electrostatic image formed on the surface of a latent electrostatic image bearing body by a developer borne and conveyed by a developer bearing body which is brought into contact with a developer layer control member to control an amount of the developer on the surface of the developer bearing body through a nonmagnetic single-component development system, wherein an acid value (SAV) of the surface of the developer and a total acid value (TAV) of the developer meet the following requirements: 1
摘要翻译: 公开了一种图像形成方法,包括通过由与显影剂层控制构件接触的显影剂承载体承载并输送的显影剂显影形成在静电潜像承载体的表面上的静电潜像, 通过非磁性单组分显影系统在显影剂承载体的表面上的显影剂,其中显影剂表面的酸值(SAV)和显影剂的总酸值(TAV)满足以下要求: in-line-formula description =“In-line Formulas”end =“lead”?> 1
,显影剂的质量平均粒径(d50,mum)与表面粗糙度(Ra,mum)的比值,d50 / Ra在0.5〜3.0的范围内,平均值 显影剂承载体的突出峰之间的间隔(Sm)在20至200μm的范围内。 -
公开(公告)号:US20070298338A1
公开(公告)日:2007-12-27
申请号:US11746304
申请日:2007-05-09
申请人: Masahiko NAKAMURA , Masahiro ANNO , Kaori SOEDA , Tomoko MINE , Kenichi ONAKA , Eiichi YOSHIDA
发明人: Masahiko NAKAMURA , Masahiro ANNO , Kaori SOEDA , Tomoko MINE , Kenichi ONAKA , Eiichi YOSHIDA
IPC分类号: G03G13/04
CPC分类号: G03G9/08722 , G03G9/0804 , G03G9/08711 , G03G9/08724 , G03G9/0874 , G03G9/08791 , G03G9/08795 , G03G9/08797 , G03G2215/0617 , G03G2215/0619
摘要: An electrophotographic image forming method is disclosed. In the method electrostatic latent image is developed by a non-magnetic single-component developing system, in which a non-magnetic single-component developer is conveyed by a developer carrying member, the developer carrying member is contacted with a developer layer regulation member for regulating an amount of the developer at the surface of the developer carrying member, and a binder resin of the developer comprises a vinyl polymer having an acid value of from about 5 to about 30 and a ratio of hydroxyl group value/acid values from about 0.3 to about 0.8.
摘要翻译: 公开了电子照相图像形成方法。 在该方法中,静电潜像由非磁性单组分显影系统显影,其中非磁性单组分显影剂由显影剂承载构件输送,显影剂承载构件与显影剂调节构件接触 调节显影剂承载构件表面上的显影剂的量,显影剂的粘合剂树脂包含酸值为约5至约30的乙烯基聚合物和羟基值/酸值的比例为约0.3 至约0.8。
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公开(公告)号:US20120315577A1
公开(公告)日:2012-12-13
申请号:US13488994
申请日:2012-06-05
申请人: Miyuki MORIGUCHI , Masahiro ANNO , Naoki YOSHIE , Chiaki YAMADA , Keiko MOMOTANI , Kenji HAYASHI , Yuya KUBO
发明人: Miyuki MORIGUCHI , Masahiro ANNO , Naoki YOSHIE , Chiaki YAMADA , Keiko MOMOTANI , Kenji HAYASHI , Yuya KUBO
IPC分类号: G03G9/13
CPC分类号: G03G9/132 , G03G9/08755
摘要: A liquid developer includes toner particles, an insulating liquid, and a dispersant, and is characterized in that the toner particles includes a resin and a pigment dispersed in the resin, the resin includes a polyester resin, the dispersant includes a basic polymeric dispersant, and a solid obtained by drying the liquid developer has a melting point of at least 55° C.
摘要翻译: 液体显影剂包括调色剂颗粒,绝缘液体和分散剂,其特征在于调色剂颗粒包括分散在树脂中的树脂和颜料,树脂包括聚酯树脂,分散剂包括碱性聚合物分散剂和 通过干燥液体显影剂获得的固体具有至少55℃的熔点
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9.
公开(公告)号:US20090004591A1
公开(公告)日:2009-01-01
申请号:US12043446
申请日:2008-03-06
IPC分类号: G03G9/087
CPC分类号: G03G9/0804 , G03G9/0819 , G03G9/08711 , G03G9/08795 , G03G9/08797
摘要: Disclosed is a toner for developing electrostatic image containing toner particles prepared with a method containing a step of: coagulating resin particle A, resin particle B and a colorant, wherein resin particle A and resin particle B respectively have volume average particle diameters Da and Db which are different in value from each other; and Da and Db satisfy the following relationship: 0.05≦Db/Da≦0.7.
摘要翻译: 公开了一种用于显影静电图像的调色剂,其含有通过包括以下步骤制备的调色剂颗粒的方法:使树脂颗粒A,树脂颗粒B和着色剂凝结,其中树脂颗粒A和树脂颗粒B分别具有体积平均粒径Da和Db, 价值不同; 且Da和Db满足以下关系:0.05 <= Db / Da <= 0.7。
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公开(公告)号:US20130115552A1
公开(公告)日:2013-05-09
申请号:US13666780
申请日:2012-11-01
申请人: Naoki YOSHIE , Kenji HAYASHI , Chiaki YAMADA , Keiko MOMOTANI , Masahiro ANNO , Yuya KUBO , Miyuki HOTTA
发明人: Naoki YOSHIE , Kenji HAYASHI , Chiaki YAMADA , Keiko MOMOTANI , Masahiro ANNO , Yuya KUBO , Miyuki HOTTA
CPC分类号: G03G9/1355 , G03G9/122 , G03G9/132 , G03G9/135
摘要: A liquid developer used for wet-type image forming apparatuses includes toner particles and an insulating liquid, the toner particles include a resin, a pigment, and a pigment dispersant, the pigment includes a pigment having an acid group, and the pigment dispersant is a basic polymer dispersant including units derived from ε-caprolactone.
摘要翻译: 用于湿式图像形成装置的液体显影剂包括调色剂颗粒和绝缘液体,调色剂颗粒包括树脂,颜料和颜料分散剂,该颜料包括具有酸基的颜料,颜料分散剂为 碱性聚合物分散剂包括衍生自ε-己内酯的单元。
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