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1. 发明专利

JP2007127802A Manufacturing method of toner, electrostatic charge image developing toner, image forming method, process cartridge, and image forming device 审中-公开
标题翻译：调色剂的制造方法，静电充电图像显影剂，图像形成方法，工艺盒和图像形成装置
公开(公告)号：JP2007127802A
公开(公告)日：2007-05-24
申请号：JP2005319933
申请日：2005-11-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAITO HIROSHI , YAZAKI KAZUYUKI , NOAKI HIROSHI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a toner having high friction electrification properties capable of preventing filming, and excellent in cleanabilities. SOLUTION: The present invention is a method of manufacturing a toner in which a toner composition containing a toner binder comprising a degenerated polyester resin capable of reacting with an active hydrogen is dissolved or dispersed in an organic solvent, the solution or the dispersion is made to react with a cross-linking agent and/or an elongation agent, and an external additive containing silica-based inorganic fine particles with the primary particle mean diameter of 90-200 nm is added to the color particles obtained from the dispersion from which the solvent is removed. The electrostatic charge image developing toner is manufactured using a mixer of which A2/A1 is 0.94-0.97 wherein A1 is the cross-sectional area with the inner wall of the mixer being the outer periphery, and A2 is the area of a circle with the edge of the moving vane being the outer periphery. The mixing is carried out under the condition of 10×10 3 ≤S×T≤25×10 3 wherein T is the total mixing time and S is the peripheral speed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止成膜并具有优异清洁性的具有高摩擦带电特性的调色剂。解决方案：本发明是一种调色剂的制造方法，其中含有能够与活性氢反应的退化的聚酯树脂的调色剂粘合剂的调色剂组合物溶解或分散在有机溶剂中，溶液或分散体使其与交联剂和/或伸长剂反应，并将含有一次颗粒平均粒径为90-200nm的二氧化硅基无机细颗粒的外部添加剂添加到从分散体获得的着色颗粒中将溶剂除去。使用A2 / A1为0.94-0.97的混合器制造静电荷图像显影调色剂，其中A1是混合器的内壁是外周的横截面积，A2是具有移动叶片的边缘是外周边。混合在10×10 ≤S×T≤25×10 3 的条件下进行，其中T是总混合时间，S是圆周速度。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2003015346A Image forming device and toner 审中-公开
标题翻译：图像形成装置和调色剂
公开(公告)号：JP2003015346A
公开(公告)日：2003-01-17
申请号：JP2001194618
申请日：2001-06-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI HIROHARU , AOKI MITSUO , YAZAKI KAZUYUKI , SHIMODA NAOTO , MATSUDA HIROAKI , KOIKE TAKAYUKI , KASAI TADASHI , TAKAHASHI YUTAKA , ITO AKIHIRO
IPC分类号： G03G9/08 , G03G9/10 , G03G15/08 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To obtain an image forming method introducing a two-component developing method capable of obtaining a stable image even in the case of loading to a machine having a lot of thermal stress and mechanical stress on toner, also, to obtain toner for two-component developer capable of obtaining a stable image, to obtain the aforesaid effect in the image forming method equipped with a toner recycling mechanism specially introducing a powder pump system utilizing an air flow, besides, to obtain the toner for two- component developer capable of obtaining a stable image without causing an abnormal image (fixation offset image). SOLUTION: As for the image forming method using the two-component developer with wax dispersed and constituted of toner and carrier, and utilizing the air flow as a recovered toner carrying means in a recycling system for returning the recovered toner which is recovered by cleaning in an oil-less fixation type electrophotographic image forming device to a developing part, the toner whose aggregation is
摘要翻译：要解决的问题：为了获得即使在加载到对调色剂具有大量热应力和机械应力的机器的情况下也可以获得稳定图像的双组分显影方法的图像形成方法，以获得调色剂对于能够获得稳定图像的双组分显影剂，在配备有特别引入使用空气流的粉末泵系统的调色剂再循环机构的图像形成方法中获得上述效果，此外，获得用于双组分显影剂的调色剂能够获得稳定的图像而不引起异常图像（固定偏移图像）。解决方案：对于使用分散并由调色剂和载体构成的蜡的双组分显影剂的图像形成方法，并且在循环系统中利用空气流作为回收调色剂携带装置，以将通过清洗回收的回收调色剂返回将无油固定型电子照相图像形成装置用于显影部分，其聚集<= 30％的调色剂用于图像形成方法。

3. 发明专利

JP2008076873A Method for manufacturing electrophotographic toner, and electrophotographic toner 有权
标题翻译：制造电子照相色彩仪的方法和电子显微镜
公开(公告)号：JP2008076873A
公开(公告)日：2008-04-03
申请号：JP2006257644
申请日：2006-09-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAZAKI KAZUYUKI
IPC分类号： G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an electrophotographic toner in which coarse particles hardly exist and capable of forming an image of high image quality in an image forming apparatus of an electrophotographic system and to provide an electrophotographic toner.
SOLUTION: In the method for manufacturing the electrophotographic toner by a wet process manufacturing process including a step of forming the colored resin particulates by putting the particles into an emulsified state or suspended state in an aqueous medium, and a sieving step for removing the coarse particles in the formed colored resin particulates, there are upper and lower two steps of screens in the sieving step, and when the mesh of the screen of the upper step is defined as W
1 and the mesh of the screen of the lower step as W
2 , the formula [1.2≤W1/W2≤1.7] is satisfied; in addition, the network of the screen of the lower step is plain-woven; more preferably, the mesh of the screen of the lower step is ≤35 μm, porosity is ≥35% and the mesh of the screen of the upper step is ≥30 um.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造电子照相调色剂的方法，其中粗略颗粒几乎不存在并且能够在电子照相系统的图像形成装置中形成高图像质量的图像并提供电子照相调色剂。解决方案：在通过湿式制造方法制造电子照相调色剂的方法中，包括通过将颗粒置于乳液状态或悬浮状态下形成着色树脂颗粒的步骤，并将其除去形成的着色树脂颗粒中的粗颗粒，筛分步骤中存在上下两个筛网步骤，并且当将上层筛网的网格定义为W 1 时，筛网作为W 2 的下阶段的画面，公式[1.2≤W1/W2≤1.7]被满足; 此外，下台的屏幕网络是平纹的; 更优选的是，下阶段的筛网为≤35μm，孔隙率为≥35％，上层筛网为≥30μm。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2003005427A Image forming method and toner 审中-公开
标题翻译：图像形成方法和调色剂
公开(公告)号：JP2003005427A
公开(公告)日：2003-01-08
申请号：JP2001190720
申请日：2001-06-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI HIROHARU , AOKI MITSUO , SHIMODA NAOTO , KOIKE TAKAYUKI , MATSUDA HIROAKI , YAZAKI KAZUYUKI , KASAI TADASHI , TAKAHASHI YUTAKA , ITO AKIHIRO
IPC分类号： G03G9/08 , G03G9/10 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming method adopting a two-component developing method capable of obtaining a stable image even in the case of loading the image forming method to a machine having a lot of thermal stress and mechanical stress an developer, and to provide two-component developing toner used for the image forming method. SOLUTION: As for the image forming method using the two-component developer with wax dispersed and constituted of the toner and carrier, and using a screw coil as a recovered toner carrying means in a recycling system for returning the recovered toner which is recovered by cleaning in the electrophotographic image forming device employing oil-less fixation to a developing part, the toner having the aggregation of
摘要翻译：要解决的问题：提供一种采用双组分显影方法的图像形成方法，即使在将图像形成方法加载到具有大量热应力和机械应力的机器的显影剂的情况下也能够获得稳定的图像，以及以提供用于图像形成方法的双组分显影调色剂。解决方案：对于使用分散并由调色剂和载体构成的蜡的双组分显影剂的图像形成方法，并且在循环系统中使用螺旋线圈作为回收调色剂携带装置，用于使通过清洁回收的回收调色剂返回在对显影部使用无油固定的电子照相图像形成装置中，将具有<= 30％的聚集性的调色剂用于图像形成方法。

5. 发明专利

JP2007140264A Method for manufacturing electrophotographic toner, the electrophotographic toner, electrophotographic developer, image forming method, and image forming apparatus 有权
标题翻译：制造电子照相色彩仪的方法，电子显微镜，电子显微镜，图像形成方法和图像形成装置
公开(公告)号：JP2007140264A
公开(公告)日：2007-06-07
申请号：JP2005335749
申请日：2005-11-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAZAKI KAZUYUKI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing toner, with which the particle size can be controlled, without having to change the dispersion state of a release agent or a colorant inside the toner or the desired particle size distribution. SOLUTION: In this method for manufacturing toner, a solution and/or dispersion liquid, prepared by dissolving or dispersing at least a resin, a colorant and a release agent in an organic solvent or an organic dispersant and a water-based medium containing solid fine particle dispersant hardly soluble with water, are supplied continuously to an emulsifying machine to emulsify and disperse, and the organic solvent or the organic dispersant are removed, before and/or after the aggregating of particles up to the toner size, and the particles are removed. In the method, the dispersant is added and mixed, in a pipe during the feeding of the water-based medium. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以控制粒径的调色剂的制造方法，而不必改变调色剂内的脱模剂或着色剂的分散状态或所需的粒度分布。解决方案：在这种制造调色剂的方法中，通过将至少一种树脂，着色剂和脱模剂溶解或分散在有机溶剂或有机分散剂和水性介质中制备的溶液和/或分散液将难溶于水的固体微粒分散剂连续供给到乳化机进行乳化分散，除去在颗粒聚集直到调色剂尺寸之前和/或之后的有机溶剂或有机分散剂，颗粒被去除。在该方法中，在水性介质的供给期间，将分散剂添加并混合在管道中。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006091066A Method for manufacturing toner and image forming method 有权
标题翻译：制造调色剂和图像形成方法的方法
公开(公告)号：JP2006091066A
公开(公告)日：2006-04-06
申请号：JP2004272944
申请日：2004-09-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAZAKI KAZUYUKI , KURODA NOBORU
IPC分类号： G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a toner for electrostatic image development by which a pigment dispersing effect is increased to increase a coloring degree and which is economical, efficient and environmentally friendly. SOLUTION: In the method for manufacturing the toner in which constituents of the toner are dissolved or dispersed in an organic solvent and emulsion-dispersed in an aqueous medium, and before or after aggregation to toner size, the organic solvent is removed and particles are taken out of the aqueous medium, ultrafine particles generated in a wet classification step after the aggregation operation, and ultrafine powder generated in a dry classification step are melt-kneaded with a binder resin and a pigment and reused as a masterbatch. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于制造静电图像显影用调色剂的方法，通过该方法，颜料分散效果增加以增加着色度，并且是经济，有效和环境友好的。解决方案：在调色剂的制造方法中，调色剂的成分溶解或分散在有机溶剂中并乳液分散在水性介质中，并且在聚集到调色剂尺寸之前和之后，除去有机溶剂，将颗粒从水介质中取出，在聚集操作之后在湿分级步骤中产生的超细颗粒和在干分级步骤中产生的超细粉末用粘合剂树脂和颜料熔融捏合并重新用作母料。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2003015356A Electrostatic charge image developing toner and image forming method 审中-公开
标题翻译：静电充电图像开发墨粉和图像形成方法
公开(公告)号：JP2003015356A
公开(公告)日：2003-01-17
申请号：JP2001199474
申请日：2001-06-29
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KURAMOTO SHINICHI , AOKI MITSUO , YAZAKI KAZUYUKI , MASUDA MINORU , KAJIWARA TAMOTSU , SHU HIYO
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an electrostatic charge image developing toner which avoids residual image phenomenon caused in adoption of a cleanerless image forming method free of residual toner discarding work and useful to prevent environmental pollution while retaining low temperature fixability and can attain cost reduction and to provide an image forming method using the toner.
SOLUTION: In the electrostatic charge image developing toner comprising colored particles consisting essentially of a resin and a colorant and additive particles which are finer than the colored particles, a peak (Mp) in the molecular weight distribution of the THF-solution component of the toner is ≤7,000 and the content of a component whose molecular weight is ≤539 is ≤3.0 wt.%. In the image forming method having at least a latent image forming step in which a latent image is formed on the surface of a latent image holder, a developing step in which the latent image is converted to a visible image with a toner and a transfer step for transferring the toner image onto a support, wherein the toner remaining on the surface of the latent image holder after transfer is recovered in a developing device concurrently with the conversion of a latent image to a visible image in the developing step, the above electrostatic charge image developing toner is used.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种静电荷图像显影调色剂，其避免了采用无残留调色剂丢弃工作的无清洁器成像方法引起的残留图像现象，并且在保持低温定影性的同时可用于防止环境污染并且可以降低成本，以提供使用该调色剂的图像形成方法。解决方案：在包含基本上由树脂和着色剂组成的着色颗粒和比着色颗粒细的添加剂颗粒的静电荷图像显影调色剂中，调色剂的THF溶液组分的分子量分布中的峰（Mp） <= 7,000，分子量<= 539的组分的含量<3.0重量％。在具有至少潜像形成步骤的图像形成方法中，其中在潜像保持器的表面上形成潜像，使用调色剂将潜像转换成可见图像的显影步骤和转印步骤用于将调色剂图像转印到支持体上，其中转印后残留在潜像保持器表面上的调色剂在显影步骤中与潜像转换成可见图像同时在显影装置中回收，上述静电电荷使用图像显影调色剂。

8. 发明专利

JP2003015341A Image forming method and toner 审中-公开
标题翻译：图像形成方法和调色剂
公开(公告)号：JP2003015341A
公开(公告)日：2003-01-17
申请号：JP2001195091
申请日：2001-06-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKAHASHI YUTAKA , KASAI TADASHI , KOIKE TAKAYUKI , YAZAKI KAZUYUKI , MATSUDA HIROAKI , SHIMODA NAOTO , AOKI MITSUO , SUZUKI HIROHARU , ITO AKIHIRO
IPC分类号： G03G9/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming method and toner for two-component developer having such a condition of toner that is resistant to thermal stress and mechanical stress on the toner, and capable of obtaining a stable image, even in the case of adopting them to a machine having a lot of thermal stress and mechanical stress on developer. SOLUTION: As for the oil-less fixation type electrophotographic image forming device using two-component developer, and provided with a recycling device for returning the toner recovered from the cleaning means to a developing part, the system speed is controlled to be 240 to 760 mm/sec. In the developing part, a developer stirring time for one copied sheet per one original is >=4 seconds, the developer stirring time for one copied sheet per one original is 2 to 8 times as long as the developer stirring time per one sheet in a continuous copying operation, the toner having the volumetric average particle size of 5 to 10 μm and also, wherein the toner
摘要翻译：要解决的问题：为了提供一种用于具有这样的调色剂状态的双组分显影剂的图像形成方法和调色剂，其耐热应力和机械应力对调色剂，并且能够获得稳定的图像，即使在将它们应用于显影剂上具有大量热应力和机械应力的机器。解决方案：对于使用双组分显影剂的无油固定型电子照相成像装置，并且设置有用于将从清洁装置回收的调色剂返回到显影部分的回收装置，系统速度被控制为240至760 毫米/秒。在显影部中，每个原稿的一张复印纸的显影剂搅拌时间为> = 4秒，每个原稿的一张复印纸的显影剂搅拌时间为每片原纸的每一张显影剂搅拌时间的2〜8倍作为连续复印操作，使用体积平均粒径为5〜10μm的调色剂以及调色剂<=5μm为60〜80数量％的调色剂。

9. 发明专利

JP2003005433A Image forming method and toner 审中-公开
标题翻译：图像形成方法和调色剂
公开(公告)号：JP2003005433A
公开(公告)日：2003-01-08
申请号：JP2001194284
申请日：2001-06-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI HIROHARU , AOKI MITSUO , YAZAKI KAZUYUKI , SHIMODA NAOTO , MATSUDA HIROAKI , KOIKE TAKAYUKI , TAKAHASHI YUTAKA , KASAI TADASHI , ITO AKIHIRO
IPC分类号： G03G9/08 , G03G9/10 , G03G15/08 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming method adopting a two-component developing method capable of obtaining a stable image even in the case of loading the image forming system to a machine having a lot of thermal stress and mechanical stress on developer, and to provide two-component developing toner for the image forming method. SOLUTION: As for the image forming method using two-component developer with wax dispersed and constituted of the toner and carrier, and utilizing an air flow as the recovered toner carrying means in a recycling system for returning the recovered toner after cleaning in the electrophotographic image forming device using oil-less fixation, the toner having the looseness apparent density of >=0.3 (unit g/cc) is used for the image forming method.
摘要翻译：要解决的问题：提供一种采用双组分显影方法的图像形成方法，即使在将图像形成系统加载到显影剂上具有大量热应力和机械应力的机器的情况下也能获得稳定的图像，以及以提供用于图像形成方法的双组分显影调色剂。解决方案：对于使用分散并由调色剂和载体构成的蜡的双组分显影剂的图像形成方法，并且在循环系统中利用空气流作为回收调色剂携带装置，用于在电子照相图像中清洁之后使回收的调色剂返回使用无油固定的成型装置，使用具有> = 0.3（单位g / cc）的松散表观密度的调色剂用于图像形成方法。

10. 发明专利

JP2003005428A Two-component developer and image forming method 审中-公开
标题翻译：双组分开发和图像形成方法
公开(公告)号：JP2003005428A
公开(公告)日：2003-01-08
申请号：JP2001191194
申请日：2001-06-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAZAKI KAZUYUKI , SHIMODA NAOTO , MATSUDA HIROAKI , KOIKE TAKAYUKI , SUZUKI HIROHARU , KASAI TADASHI , TAKAHASHI YUTAKA , AOKI MITSUO , ITO AKIHIRO
IPC分类号： G03G9/08 , G03G9/113 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide toner for two-component developer resistant to thermal stress and mechanical stress on the toner, and capable of obtaining a stable image, and to provide an image forming method. SOLUTION: As for the electrophotographic image forming method adopting oil-less fixation, an image is developed by using two-component developer with wax dispersed and containing the toner satisfying at least one of the following conditions (1) to (4) and carrier, and developing is performed under a developing condition where the sucking amount of the developing roller for the image forming device is >=30% of the whole developer. (1) the frictional coefficient is 0.18 to 0.30, (2) the looseness apparent density is >=0.30 g/cm , (3) the volumetric average particle diameter is 5 to 10 μm, the toner having the diameter of
摘要翻译：要解决的问题：提供一种耐受热应力和机械应力的双组分显影剂调色剂，并且能够获得稳定的图像，并提供图像形成方法。解决方案：对于采用无油定影的电子照相成像方法，通过使用分散有蜡的双组分显影剂并含有满足以下条件（1）至（4）中的至少一个的调色剂和载体的显影剂，并且在显影条件下进行显影，其中用于图像形成装置的显影辊的吸入量为整个显影剂的> = 30％。（1）摩擦系数为0.18〜0.30，（2）松动表观密度> 0.30g / cm 3，（3）体积平均粒径为5〜10μm， =5μm为60〜80个％，（4）凝集<30％。

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