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1. 发明专利

JP2005195658A Toner for developing electrostatic charge image, image forming method, image forming apparatus, and process cartridge 有权
标题翻译：用于开发静电电荷图像，图像形成方法，图像形成装置和处理盒的调色剂
公开(公告)号：JP2005195658A
公开(公告)日：2005-07-21
申请号：JP2003435506
申请日：2003-12-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOEDA JUNYA , KURODA NOBORU
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner for developing electrostatic charge images superior in cleaning over a long period of time and image quality, without cold offsets, even in an image part with a small adhesion amount by sufficiently securing the cleaning of transfer residual toner, after development, in an image forming system disadvantageous in cleaning, and to provide an image forming method using the toner and a carrier, an image forming apparatus filled with the toner, and a process cartridge for holding the toner. SOLUTION: In the toner having at least a binding resin, a coloring agent and a mold-releasing agent, of average circularity by flow-type particle image analysis of toner particles is ≥0.940 and COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在具有小的粘附量的图像部分中，通过充分确保清洁的方式来提供用于显影优异的长时间清洁和图像质量的静电荷图像的调色剂，在显影后将残留调色剂转印到不利于清洗的图像形成系统中，并提供使用调色剂和载体的图像形成方法，填充有调色剂的图像形成装置和用于保持调色剂的处理盒。解决方案：在具有至少粘合树脂，着色剂和脱模剂的调色剂中，调色剂颗粒的流动型颗粒图像分析的平均圆形度为≥0.940且<0.990; 粒径≥0.60μm和<2.00μm的颗粒在零件编号上≥10％和<50％; 粒径范围≥0.60μm，<2.00μm时的平均圆形度≤0.930。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2011221339A Method for manufacturing toner for static charge image development 审中-公开
标题翻译：制造静态电荷图像发生器的方法
公开(公告)号：JP2011221339A
公开(公告)日：2011-11-04
申请号：JP2010091324
申请日：2010-04-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOEDA JUNYA , KURODA NOBORU , KOBAYASHI MASATO , NOAKI HIROSHI , YAMAGUCHI HIDEYUKI
IPC分类号： G03G9/087 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing toner for static charge image development for making charging characteristics stable with time, and for preventing extreme chargeability deterioration especially under a high temperature/high humidity, and for preventing the generation of any cleaning failure even during endurance, and for obtaining a stable image, toner for static charge image development obtained by the pertinent method, an image formation method using the pertinent toner, an image forming apparatus on which the pertinent toner is loaded, and process cartridge which is freely attached/detached to/from the image forming apparatus holding the pertinent toner.SOLUTION: Disclosed is a method of manufacturing toner for static charge image development including a process of generating toner particles by dispersing at least binding resin and colorant in a liquid medium, and obtaining a toner cake by carrying out several filtration. This method of manufacturing the toner for static charge image development is characterized such that a cake moisture content is set to 35 to 45 wt.% in any filtration other than the final one, and the cake moisture content is set to 20 to 35 wt.% in the final filtration, and the cake and alkali solution are brought into contact with each other at least one time in any filtration other than the final one.
摘要翻译：要解决的问题：提供一种制造用于使充电特性随时间稳定的静电荷图像显影的调色剂的方法，并且为了防止特别是在高温/高湿度下的极性带电性劣化，并且为了防止产生任何即使在耐久性下也能够清洗，为获得稳定的图像，通过相关方法获得的用于静电荷图像显影的调色剂，使用相关调色剂的图像形成方法，其上装有相关调色剂的图像形成装置，以及处理盒与保持相关调色剂的图像形成装置自由地连接/分离。解决方案：公开了一种制造用于静电荷图像显影的调色剂的方法，包括通过将至少粘合树脂和着色剂分散在液体介质中而产生调色剂颗粒的方法，并通过进行多次过滤获得调色剂饼。这种制造用于静电荷图像显影的调色剂的方法的特征在于，除了最后的过滤之外，在任何过滤中将滤饼水分含量设定为35〜45重量％，并且将滤饼水分含量设定为20〜35重量％。最终过滤中的％，并且蛋糕和碱溶液在除最终过滤之外的任何过滤中至少一次彼此接触。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2008070703A Method for manufacturing electrostatic charge image developing toner 审中-公开
标题翻译：制造静电荷图像显影剂的方法
公开(公告)号：JP2008070703A
公开(公告)日：2008-03-27
申请号：JP2006250481
申请日：2006-09-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOEDA JUNYA , KURODA NOBORU , KOBAYASHI MASATO , NOAKI HIROSHI
IPC分类号： G03G9/087 , B01D25/12 , B01D33/04 , B01D39/16 , G03G9/08 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing electrostatic charge image developing toner, by which durability of a filter is improved as well as toner leakage to a filtrate side is prevented so as not to save the cost of processing waste water in the production of a polymerization toner with high picture quality and a narrow distribution, charging characteristics with lapse of time are stabilized, and in particular, no significant decrease in charging property is induced even under high temperature/high humidity conditions but stable images can be obtained; and to provide the electrostatic charge image developing toner obtained by the method.
SOLUTION: The method for manufacturing the electrostatic charge image developing toner, including a step of solid-liquid separation through a synthetic resin filter, is characterized in that: an air flow rate of the filter and the toner particle diameter satisfy T/Dv 10 >1, wherein T represents the air flow amount (cc/cm
2 min) and Dv represents a volume average particle diameter (μm) of the toner particles, Dv/Dn represents a ratio of the volume average particle diameter (Dv) to number average particle diameter (Dn).
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种制造静电荷图像显影调色剂的方法，其中过滤器的耐久性得到改善，并且防止调色剂泄漏到滤液侧，从而不会节省处理废水的成本在生产具有高图像质量和窄分布的聚合调色剂的情况下，充电特性随时间流逝而稳定，特别是即使在高温/高湿度条件下也不诱导充电性能的显着降低，但稳定的图像可以获得; 并提供通过该方法获得的静电荷图像显影调色剂。解决方案：用于制造静电荷图像显影调色剂的方法，包括通过合成树脂过滤器进行固液分离的步骤，其特征在于：过滤器的空气流速和调色剂颗粒直径满足T / Dv <10和T /（Dv / Dn） 10 > 1，其中T表示空气流量（cc / cm 2 SP），Dv表示体积平均粒子调色剂颗粒的直径（μm），Dv / Dn表示体积平均粒径（Dv）与数均粒径（Dn）的比率。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2006106706A Method for manufacturing toner for electrostatic image development, toner for electrostatic image development obtained by the same, and image forming method, apparatus and process cartridge using the toner 有权
标题翻译：用于制造用于静电图像发展的调色剂的方法，由其获得的静电图像发展的调色剂，以及使用该调色剂的图像形成方法，装置和过程盒
公开(公告)号：JP2006106706A
公开(公告)日：2006-04-20
申请号：JP2005248601
申请日：2005-08-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOEDA JUNYA , KURODA NOBORU , KOBAYASHI MASATO , NOAKI HIROSHI , YAMAGUCHI HIDEYUKI
IPC分类号： G03G9/087 , G03G9/08 , G03G9/097 , G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing toner for electrostatic image development having stable charging characteristics over time, free of marked charging property deterioration particularly even at high temperature and high humidity, free of faulty cleaning even in long-term repetitive use and giving stable images, the toner for electrostatic image development obtained by the method, an image forming method using the toner, an image forming apparatus loaded with the toner, and a process cartridge allowed to be mounted on and dismounted from the image forming apparatus holding the toner. SOLUTION: In the method for manufacturing the toner for electrostatic image development in which a toner cake is obtained from toner particles dispersed in a liquid medium and containing at least a binder resin and a colorant by carrying out filtration two or more times, a water content of a cake after filtration except the final filtration is adjusted to 35-45 wt.% and a water content of a cake after the final filtration is adjusted to 20-35 wt.%. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决问题：为了提供一种随着时间的推移具有稳定的充电特性的静电图像显影用调色剂的方法，即使在高温高湿下也没有显着的充电特性劣化，即使长期没有故障清洁重复使用并给出稳定的图像，通过该方法获得的用于静电图像显影的调色剂，使用调色剂的图像形成方法，装载有调色剂的图像形成装置和允许安装在图像形成装置上的处理盒保持调色剂的装置。解决方案：在静电图像显影用调色剂的制造方法中，通过进行两次以上的过滤，其中调色剂饼从分散在液体介质中的调色剂颗粒获得并至少含有粘合剂树脂和着色剂，过滤后的滤饼的水含量除了最终过滤之外，调节至35-45重量％，最终过滤后的滤饼的水含量调节至20-35重量％。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006084979A Method for producing electrostatic charge image developing toner 审中-公开
标题翻译：用于生产静电荷图像显影剂的方法
公开(公告)号：JP2006084979A
公开(公告)日：2006-03-30
申请号：JP2004271595
申请日：2004-09-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIYAGAWA MASASHI , KURODA NOBORU , NAITO HIROSHI , MATSUI KAZUYUKI , KADOTA TAKAHIRO , KOEDA JUNYA
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To produce electrostatic charge image developing toner, having superior image quality (fine wire reproducibility), cleaning properties or the like, free of odors, and having a uniform grain size in a narrow distribution, with high productivity.
SOLUTION: For producing the toner, a prescribed emulsification/dispersion liquid containing resin and a coloring agent is prepared. The emulsification/dispersion liquid is treated in a solvent removal stage. In this case, the emulsification/dispersion liquid 40 is stored in a solvent removal tank 1, the inside of the tank 1 is held under a reduced pressure condition, and further, by making an inert gas bubble into the emulsification/dispersion liquid 40, an organic solvent in the emulsification/dispersion liquid is vaporized and is exhausted to the outside of the tank 1. In the solvent removal stage, it is preferable that bubbles generated at the time of vaporizing the organic solvent be broken by a suitable bubble breaking means provided in the tank 1. Prescribed posttreatment is applied to the emulsification/dispersion liquid, after the removal of the organic solvent so as to obtain toner base particles.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了生产具有优异的图像质量（细线重现性），清洁性能等，无异味，并且在窄分布中具有均匀晶粒尺寸的静电荷成像显影调色剂，具有高生产率。
解决方案：制备调色剂时，制备规定的含有树脂和着色剂的乳化/分散液。乳化/分散液在溶剂除去阶段进行处理。在这种情况下，将乳化分散液40储存在除溶剂罐1中，将罐1的内部保持在减压条件下，进一步通过向乳化分散液40中形成惰性气泡，乳化分散液中的有机溶剂被蒸发并排出到罐1的外部。在溶剂除去阶段，优选地，通过合适的气泡破坏装置破坏在汽化有机溶剂时产生的气泡设置在罐1中。在去除有机溶剂之后，将规定的后处理施加到乳化分散液，以获得调色剂基础颗粒。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2004198553A Method for manufacturing toner for electrostatic charge image development 有权
公开(公告)号：JP2004198553A
公开(公告)日：2004-07-15
申请号：JP2002364417
申请日：2002-12-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOEDA JUNYA , UEHARA KENICHI , KOZU OSAMU , NOAKI HIROSHI
IPC分类号： G03G9/08 , B01F7/16 , B01F15/06 , G03G9/087 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing toner for electrostatic charge image development by which an electrification controlling agent can be fixed in a uniform state at a relatively low temperature without dropping to the toner mother particles containing a release agent having low melting point, and the toner has stable electrification property and excellent characteristics for a long time without causing filming contamination on a photoreceptor, a developing roller or the like and carrier spent. SOLUTION: The toner for electrostatic charge image development is manufactured by using a flow agitation type mixing apparatus and by agitating and mixing toner mother particles comprising at least a binder resin, a coloring agent and a release agent with an electrification controlling agent so as to fix the electrification controlling agent on the surfaces of the toner mother particles. The flow agitation type mixing apparatus is equipped with a rotator having at least a stirrer vane and has a spheric treatment tank having at least a cooling jacket and provided with a hollow cylindrical insertion pipe vertically penetrating from the upper part of the treatment tank into the tank. COPYRIGHT: (C)2004,JPO&NCIPI

7. 发明专利

JP2004077593A Method for manufacturing electrophotographic toner 有权
公开(公告)号：JP2004077593A
公开(公告)日：2004-03-11
申请号：JP2002234643
申请日：2002-08-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOEDA JUNYA , UEHARA KENICHI , YOSHIKAWA HIROYUKI , KOZU OSAMU
IPC分类号： B01F3/06 , B01F7/00 , B01F7/16 , B01F7/26 , B01F15/00 , B01F15/06 , G03G9/08 , G03G9/087 , G03G9/097
CPC分类号： G03G9/081 , B01F7/00241 , B01F7/00383 , B01F7/163 , B01F15/00824 , B01F15/065 , B01F15/068 , B01F2003/066 , B01F2215/0409 , B01F2215/0481 , G03G9/0808
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrophotographic toner in which electrostatic charge controlling agent particles are uniformly fixed near the surfaces of toner matrix particles containing a releasing agent which is a low-melting point substance, in which separation of the electrostatic charge controlling agent particles, fusion of the low-melting point material and agglomeration of toner particles are prevented and which is uniform in the amount of electric charges and does not cause deterioration of a developer. SOLUTION: In the method for manufacturing an electrophotographic toner in which toner matrix particles consisting essentially of a binder resin, a colorant and a releasing agent and an electrostatic charge controlling agent are mixed by stirring by rotating a rotator having stirring blades in a fluidized stirring type mixing apparatus fitted with at least the rotator to fix the electrostatic charge controlling agent on the surfaces of the toner matrix particles, the rotator is rotated at 65-120 m/s peripheral speed within the temperature range of Tg-10>T>Tg-35 (T is the temperature (°C) of the internal atmosphere of the apparatus during mixing by stirring and Tg is the glass transition temperature (°C) of the powdery resin). COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2011123215A Method of manufacturing toner 有权
标题翻译：制造墨粉的方法
公开(公告)号：JP2011123215A
公开(公告)日：2011-06-23
申请号：JP2009279821
申请日：2009-12-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE JUNICHI , UEHARA KENICHI , KOEDA JUNYA , MISAWA TASUKE , TADA KEISUKE , HIRATA MIYUKI
IPC分类号： G03G9/087
CPC分类号： G03G9/0804 , G03G9/0821 , G03G9/08755
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing toner having excellent chargeability and capable of suppressing decrease in the chargeability even when the toner or base particles are exposed to a high-temperature and high-humidity atmosphere.
SOLUTION: The method of manufacturing toner includes steps of: preparing a first liquid by dissolving or dispersing a toner material containing a binder resin and/or a precursor of the binder resin in an organic solvent; preparing a second liquid by dispersing the first liquid in an aqueous medium containing a dispersant; producing particles by removing the organic solvent from the second liquid; washing the particles; preparing a third liquid by dispersing the washed particles in an aqueous medium and heating the second aqueous medium while or after dispersing the washed particles therein; and producing base particles by adding a charge controlling agent to the third liquid. The ratio of the BET specific surface area of the base particles after stored in an environment at 40°C and 70%RH for two weeks to the BET specific surface area of particles included in the third liquid is 0.60 or more and 1.00 or less.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造具有优异的带电性的调色剂的方法，并且即使当调色剂或基底颗粒暴露于高温高湿气氛时也能够抑制带电性的降低。解决方案：制造调色剂的方法包括以下步骤：通过将含有粘合剂树脂和/或粘合剂树脂的前体的调色剂材料溶解或分散在有机溶剂中来制备第一液体; 通过将第一液体分散在含有分散剂的水性介质中来制备第二液体; 通过从第二液体中除去有机溶剂来生产颗粒; 洗涤颗粒; 通过将洗涤的颗粒分散在水性介质中并在将洗涤的颗粒分散在其中之后加热第二水性介质来制备第三液体; 并通过向第三液体中加入电荷控制剂来生产基础颗粒。在40℃，70％RH的环境下保存2周后的基础粒子的BET比表面积与包含在第3液体中的粒子的BET比表面积的比例为0.60以上且1.00以下。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2007155924A Method and apparatus for manufacturing toner 审中-公开
标题翻译：制造调色剂的方法和装置
公开(公告)号：JP2007155924A
公开(公告)日：2007-06-21
申请号：JP2005348400
申请日：2005-12-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UEHARA KENICHI , YOSHIKAWA HIROYUKI , KOEDA JUNYA
IPC分类号： G03G9/087 , G03G9/08 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a toner for electrophotography in which charge control agent particles are uniformly fixed near the surfaces of toner base particles containing a low-melting release agent so that they are not released, and to provide a method for manufacturing a toner in which a low-melting material is not further fused on the surfaces of the toner base particles containing the low-melting release agent and the toner particles are therefore protected from being flocculated with each other.
SOLUTION: The method for manufacturing a toner includes fixing a charge control agent on the surfaces of toner base particles by agitation mixing by rotating a rotatory body in a flow agitation type mixing apparatus equipped with the rotatory body having agitating blades to manufacture the objective toner for electrophotography, wherein the agitating blades are impellers radially arranged on the rotatory body and the ratio between the total vertical projected area S1 of the agitating blades and a central vertical cross-section area S2 in the flow agitation type mixing apparatus satisfy the formula: 0.21≥S1/S2≥0.03.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相用调色剂的制造方法，其中电荷控制剂颗粒均匀地固定在包含低熔点脱模剂的调色剂基础颗粒的表面附近，使得它们不被释放，并且提供一种制造调色剂的方法，其中在含有低熔点脱模剂的调色剂基础颗粒的表面上不再熔融低熔点材料，因此保护调色剂颗粒不被彼此絮凝。解决方案：调色剂的制造方法包括：通过搅拌混合将电荷控制剂固定在调色剂基础颗粒的表面上，该旋转体在配备有具有搅拌叶片的旋转体的流动搅拌型混合装置中旋转，用于电子照相的目标调色剂，其中搅拌叶片是径向布置在旋转体上的叶轮，并且搅拌叶片的总垂直投影面积S1与流动搅拌型混合装置中的中心垂直横截面积S2之间的比率满足式：0.21≥S1/S2≥0.03。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2007140074A Method for manufacturing toner for developing electrostatic charge image, and toner for developing electrostatic charge image 有权
标题翻译：用于制造用于开发静电电荷图像的调色剂的方法和用于开发静电电荷图像的调色剂
公开(公告)号：JP2007140074A
公开(公告)日：2007-06-07
申请号：JP2005333293
申请日：2005-11-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOBAYASHI MASATO , KURODA NOBORU , KOEDA JUNYA , KADOTA TAKAHIRO
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrophotographic toner having a small particle size and a little fine powder content, and to provide a toner that consequently can accurately develop a latent image and reproduce a full-color image of high picture quality. SOLUTION: The method for manufacturing toner is carried out by dispersing at least a binder resin and a colorant in a liquid medium to produce toner particles in a first dispersion liquid, separating the toner particles from the liquid by filtering to obtain a first cake, again dispersing the first cake in an water-based medium to obtain a second dispersion liquid, separating the particles from the second dispersion liquid by filtering to obtain a second cake, and the drying the cake, wherein the number% D n1 of toner particles in a size of 4 μm or smaller in the first dispersion liquid, and the number% D n2 of toner particles in a size of 4 μm or smaller of second cake before drying satisfy the relation of D n2 /D n1 COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造具有小粒径和微细粉末含量的电子照相调色剂的方法，并提供调色剂，从而可以精确地显影潜像并再现全色图像高画质。解决方案：调色剂的制造方法是将至少粘合剂树脂和着色剂分散在液体介质中，以在第一分散液中产生调色剂颗粒，通过过滤从调色剂颗粒与液体分离，从而获得第一将第一饼再次分散在水性介质中以得到第二分散液，通过过滤分离第二分散液中的颗粒，得到第二滤饼，干燥滤饼，其中％D 在第一分散液中具有4μm或更小尺寸的调色剂颗粒的n1 和第二饼的尺寸为4μm或更小的调色剂颗粒的数目％D n2 干燥满足D n2 / D n1 <1.0的关系。版权所有（C）2007，JPO＆INPIT

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