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1. 发明专利

JP2015007209A コアシェル型粒子、及びその製造方法审中-公开
标题翻译：核心型粒子及其制造方法
公开(公告)号：JP2015007209A
公开(公告)日：2015-01-15
申请号：JP2014012946
申请日：2014-01-28
申请人：株式会社リコー , Ricoh Co Ltd
发明人： WATANABE MASAKI , TANAKA CHIAKI , NEMOTO TAICHI
IPC分类号： C08J3/12
CPC分类号： A61K9/5031 , A61K38/1875 , A61L27/025 , A61L27/047 , A61L27/12 , A61L27/18 , A61L27/56 , C08G63/78
摘要：【課題】有機溶媒が不要で、且つ、コア粒子表面の微細構造に沿ってポリマーをコーティングさせることが可能なコアシェル型粒子の製造方法の提供。【解決手段】開環重合性モノマーと、多孔質粒子と、圧縮性流体とを含有する第1の混合物中で、前記開環重合性モノマーを開環重合する重合工程と、前記重合工程により得られたポリマーと、前記多孔質粒子と、前記圧縮性流体とを含有する第2の混合物を噴射しコアシェル型粒子を造粒する造粒工程とを含むコアシェル型粒子の製造方法である。【選択図】図3
摘要翻译：要解决的问题：提供一种生产核 - 壳型颗粒的方法，其不需要有机溶剂，并且能够在核颗粒表面上沿着精细结构涂覆聚合物。解决方案：生产核壳的方法包括：在含有开环聚合性单体，多孔粒子和可压缩流体的第一混合物中进行开环聚合性单体的开环聚合的聚合工序; 以及将包含通过聚合步骤获得的聚合物的第二混合物，多孔颗粒和可压缩流体注入粒状颗粒的造粒步骤。

2. 发明专利

JP2014202932A 静電荷像現像用トナー审中-公开
标题翻译：静电电荷图像开发的优点
公开(公告)号：JP2014202932A
公开(公告)日：2014-10-27
申请号：JP2013079294
申请日：2013-04-05
申请人：株式会社リコー , Ricoh Co Ltd
发明人： SAITO TAKASHI , CHU BING , UCHINOKURA OSAMU , WATANABE MASAKI , KUBO TOMOO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
摘要：【課題】保管性が高く、離型性も良好で、部材汚染を抑制し、複数枚印刷後でも帯電低下が発生しないトナーを提供すること。【解決手段】少なくとも結着樹脂、離型剤を含み、結着樹脂にはポリエステルを用いており、最表層ワックス量が0.005-0.100wt%であり、表面ワックス量が0.01-0.19wt%であることを特徴とする乾式静電荷像現像用トナー。【選択図】図1
摘要翻译：要解决的问题：提供一种具有高储存稳定性，良好的脱模性，抑制部件污染并且即使在打印多个片材之后也能防止电荷减少的调色剂。解决方案：提供一种用于干静电荷图像显影的调色剂包括至少粘合剂树脂和脱模剂，其中粘合剂树脂使用聚酯，并且最外层上的蜡的量为0.005至0.100重量％，并且表面上的蜡的量为0.01至0.19重量％。

3. 发明专利

JP2014174444A Image forming apparatus, toner set, image forming method, and process cartridge 审中-公开
标题翻译：图像形成装置，墨粉盒，图像形成方法和处理盒
公开(公告)号：JP2014174444A
公开(公告)日：2014-09-22
申请号：JP2013049047
申请日：2013-03-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UCHINOKURA OSAMU , CHU BING , WATANABE MASAKI , SAITO TAKASHI , YOSHIDA RYUTA
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus configured to prevent reduction in color characteristics uniformity and toner gloss non-uniformity to be caused during fixation.SOLUTION: An image forming apparatus includes: color image forming means for forming a color image with chromatic toner; transparent image forming means for forming a transparent image on the color image by use of transparent toner; and fixing means. The transparent toner and the chromatic toner each contain a mold release agent and a binder resin. The binder resin contains a non-crystalline resin. When a height of a maximum rising peak point in an infrared absorption spectrum of the mold release agent, which is obtained by an infrared spectroscopy (KBr full-transmission method) by means of a fourier transform infrared spectral analyzer, is W, a height of the maximum rising peak point in an infrared absorption spectrum of the non-crystalline resin is R, a ratio W/R for the chromatic toner is Cfc and that for the transparent toner is Ccl, the following expressions are satisfied:(1) 0.05≤Ccl-Cfc≤0.65 and (2) 0.10≤Ccl≤0.80.
摘要翻译：要解决的问题：提供一种图像形成装置，其被配置为防止在固定期间引起的颜色特性均匀性和调色剂光泽不均匀性的降低。图像形成装置包括：彩色图像形成装置，用于形成具有彩色图像的彩色图像调色剂; 透明图像形成装置，用于通过使用透明调色剂在彩色图像上形成透明图像; 和固定装置。透明调色剂和彩色调色剂各自含有脱模剂和粘合剂树脂。粘合剂树脂含有非结晶性树脂。当通过红外光谱法（KBr全传输法）通过傅立叶变换红外光谱分析仪获得的脱模剂的红外吸收光谱中的最大上升峰值的高度为W时，其高度为非结晶性树脂的红外吸收光谱中的最大上升峰值为R，彩色调色剂的比例W / R为Cfc，透明调色剂的比例为Ccl，满足以下表达式：（1）0.05≤ Ccl-Cfc≤0.65和（2）0.10≤Ccl≤0.80。

4. 发明专利

JP2014167597A Manufacturing method of toner, toner, developer, and manufacturing method of particle 审中-公开
标题翻译：调色剂，调色剂，开发商和制造方法的制造方法
公开(公告)号：JP2014167597A
公开(公告)日：2014-09-11
申请号：JP2013092671
申请日：2013-04-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OSAKA KEIKO , TANAKA CHIAKI , WATANABE MASAKI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a toner having excellent chargeability and fixability.SOLUTION: A manufacturing method of a toner containing a binder resin including a pressure plastic material, and a mold release agent includes: a mixing step of continuously supplying and merging the pressure plastic material and the mold release agent to continuously form a mixture of those, and continuously supplying the resulting mixture to the subsequent step (melting step); the melting step of bringing a first compressive fluid into contact with the mixture to melt the mixture; and a granulating step of injecting a molten body obtained in the melting step to granulate the molten body.
摘要翻译：要解决的问题：提供具有优异的带电性和定影性的调色剂的制造方法。解决方案：含有包含压力塑料材料的粘合剂树脂的调色剂的制造方法和脱模剂包括：混合步骤，并且将压力塑料材料和脱模剂合并以连续地形成这些混合物，并将所得混合物连续供给到随后的步骤（熔融步骤）中; 使第一压缩流体与混合物接触以熔化混合物的熔融步骤; 以及注射在熔融步骤中获得的熔融体以造粒熔融体的造粒步骤。

5. 发明专利

JP2014157223A Transparent toner, developer for image formation, and process cartridge 审中-公开
标题翻译：透明墨粉，图像形成开发商和工艺盒
公开(公告)号：JP2014157223A
公开(公告)日：2014-08-28
申请号：JP2013027660
申请日：2013-02-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TAKASHI , CHU BING , WATANABE MASAKI , YOSHIDA RYUTA , UCHINOKURA OSAMU
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a transparent toner having excellent releasability, low-temperature fixability, and heat-resistant storage stability.SOLUTION: A transparent toner is formed of a base resin and a mold release agent; and at least one type of the base resin is a polyester resin, and the mold release agent contains an ester bond. The transparent toner has a coloring degree of less than 0.5, and a mold release agent-containing surface solvent extraction component in an amount of 12 mg/g or more and less than 19 mg/g.
摘要翻译：要解决的问题：提供具有优异的脱模性，低温定影性和耐热储存稳定性的透明调色剂。解决方案：透明调色剂由基础树脂和脱模剂形成; 并且至少一种类型的基础树脂是聚酯树脂，并且脱模剂含有酯键。透明调色剂的着色度小于0.5，含脱模剂的表面溶剂萃取组分的量为12mg / g以上且小于19mg / g。

6. 发明专利

JP2014153661A Toner set 有权
标题翻译： TONER SET
公开(公告)号：JP2014153661A
公开(公告)日：2014-08-25
申请号：JP2013025499
申请日：2013-02-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE NAOHIRO , OGAWA SATORU , WATANABE MASAKI , YOSHIDA RYUTA
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide a toner set having excellent low-temperature fixability and heat-resistant storage stability, and capable of forming solid images with good granularity.SOLUTION: A toner set according to an embodiment of the present invention includes a clear toner and a colored toner. The clear toner includes a binder resin and a mold release agent, and the colored toner includes a binder resin, a pigment, and a mold release agent. When a volume average particle diameter of the clear toner is A[μm], and a volume average particle diameter of the colored toner is B[μm], the formula 4.8≤A≤8.41.0
摘要翻译：要解决的问题：提供具有优异的低温定影性和耐热储存稳定性并且能够形成具有良好粒度的固体图像的调色剂组。解决方案：根据本发明实施方案的调色剂组包括透明调色剂和彩色调色剂。透明调色剂包括粘合剂树脂和脱模剂，着色调色剂包括粘合剂树脂，颜料和脱模剂。当透明调色剂的体积平均粒径为A [μm]，着色调色剂的体积平均粒径为B [μm]时，满足公式4.8≤A≤8.41.0

7. 发明专利

JP2014074833A Developer carrier, developing device, process cartridge, and image forming apparatus 审中-公开
标题翻译：开发商运营商，开发设备，流程盒和图像形成设备
公开(公告)号：JP2014074833A
公开(公告)日：2014-04-24
申请号：JP2012222949
申请日：2012-10-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TERASAKA TAKUMI , HIRAKAWA TOSHIKAZU , WATANABE MASAKI , TERAJIMA MIEKO , ABE HIROYA , SHIMIZU YASUTAKA , MORO YUKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developer carrier capable of suppressing, when used in a developing device, the occurrence of failure caused by a regulating member intermittently coming into contact with convex parts, a developing device including the developer carrier, a process cartridge, and an image forming apparatus.SOLUTION: A developing roller 42 is a developer carrier that has concave parts 42b and convex parts 42a formed on the surface as a concave-convex shape, and carries toner that is developer on the surface to make surface movement so as to convey the developer. The plurality of concave parts 42b forming the concave-convex shape are formed independently, and the convex parts 42a forming the concave-convex shape are formed continuously so as to surround the single concave part 42b.
摘要翻译：要解决的问题：提供一种显影剂载体，其能够在显影装置中使用间歇地与凸部接触时由限制构件引起的故障的发生，包括显影剂载体，处理盒，和图像形成装置。显影辊42是显影剂载体，其具有在表面上形成为凹凸形状的凹部42b和凸部42a，并且携带作为表面的显影剂的调色剂以使表面运动如此传达开发商。形成凹凸形状的多个凹部42b独立地形成，形成凹凸形状的凸部42a以包围单个凹部42b的方式连续地形成。

8. 发明专利

JP2014056052A Developer carrier, developing device, process cartridge, and image forming apparatus 审中-公开
标题翻译：开发商运营商，开发设备，流程盒和图像形成设备
公开(公告)号：JP2014056052A
公开(公告)日：2014-03-27
申请号：JP2012199814
申请日：2012-09-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TERAJIMA MIEKO , WATANABE MASAKI , ABE HIROYA , TERASAKA TAKUMI , SHIMIZU YASUTAKA , MORO YUKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developer carrier capable of achieving improvement of chargeability of developer and excellent durability when used in a developing device, a developing device including the developer carrier, a process cartridge, and an image forming apparatus.SOLUTION: A developing roller 42 that is a developer carrier includes concave parts 42b and convex parts 42a as a concave-convex shape on the surface, and carries and moves a toner that is a developer on the surface to convey the developer, and has concave-part inner grooves 430 that are concave-part inner groove parts each formed in each of the concave parts 42b that forms the concave-convex shape.
摘要翻译：要解决的问题：提供一种显影剂载体，其能够在显影装置中使用时实现显影剂的带电性和优异的耐久性，显影装置包括显影剂载体，处理盒和成像装置。解决方案：显影作为显影剂载体的辊42包括在表面上作为凹凸形状的凹部42b和凸部42a，并且携带和移动表面上的显影剂的调色剂以输送显影剂，并且具有凹部内凹槽 430是形成在形成凹凸形状的每个凹部42b中的凹部内槽部。

9. 发明专利

JP2013195766A Electrophotographic toner, full-color image forming method, and full-color image forming apparatus 审中-公开
标题翻译：全彩色图像成像方法，全彩色图像形成装置
公开(公告)号：JP2013195766A
公开(公告)日：2013-09-30
申请号：JP2012063496
申请日：2012-03-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMADA HIROSHI , YAMASHITA YUJI , WATANABE MASAKI
IPC分类号： G03G9/08 , G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of an electrophotographic toner that improves transfer efficiency, eliminates image defects during respective transfer operations to output images having good reproducibility for a long period, and improves a fixing capability; the toner and a full-color image forming method; and a full-color image forming apparatus.SOLUTION: An electrophotographic toner is formed of toner particles comprising a core particle, and a shell formed on the surface of the particle. The core includes a first resin; and the shell includes at least a layer including a second resin, and a layer including a third resin having an acid value of 80 to 300 mgKOH/g and the Tg of 40 to 100°C.
摘要翻译：要解决的问题：为了提供提高转印效率的电子照相调色剂的制造方法，消除了各个转印操作期间的图像缺陷以输出长时间具有良好重现性的图像，并提高了定影能力; 调色剂和全色图像形成方法; 和全色图像形成装置。解决方案：电子照相调色剂由包含芯颗粒的调色剂颗粒和形成在颗粒表面上的壳形成。芯包括第一树脂; 壳体至少含有包含第二树脂的层，以及含有酸值为80〜300mgKOH / g，Tg为40〜100℃的第三树脂的层。

10. 发明专利

JP2013190647A Toner, two-component developer, and image forming apparatus 审中-公开
标题翻译：调色剂，双组分显影剂和图像形成装置
公开(公告)号：JP2013190647A
公开(公告)日：2013-09-26
申请号：JP2012057366
申请日：2012-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOJIMA TOMOYUKI , NAGATOMO NOBUYASU , SATO SACHIKO , UCHINOKURA OSAMU , AWAMURA JUNICHI , OGAWA SATORU , HONDA TAKAHIRO , ITO DAISUKE , KUSAHARA TERUKI , WATANABE MASAKI , INOUE DAISUKE
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
CPC分类号： G03G9/0825 , G03G9/097 , G03G9/09708
摘要： PROBLEM TO BE SOLVED: To provide a toner that satisfies all of low-temperature fixability, heat-resistance storability, transferability, and a filming property even in a long period of use; developer using the toner; and an image forming apparatus.SOLUTION: A toner of the present invention contains toner base particles containing at least a binder resin and colorant, and at least an external additive. The external additive contains at least adhered particles; the adhered particles are non-spherical secondary particles formed by primary particles adhering to each other; and the particle size distribution index of the adhered particles is represented by the following formula (1), wherein, Dbrepresents the particle diameter of the adhered particles at a point when an accumulated value is 50 number%, when the particle diameter (nm) of the adhered particles is an abscissa, and the accumulated value (number%) of the adhered particles is an ordinate, and the accumulated distribution of the adhered particles is drawn from the small-particle side; and Dbrepresents the particle diameter of the adhered particles at a point when the accumulated value is 10 number%.
摘要翻译：要解决的问题：即使在长时间使用中也可提供满足低温定影性，耐热性保存性，转印性和成膜性全部的调色剂; 显影剂使用墨粉; 和图像形成装置。解决方案：本发明的调色剂含有至少含有粘合剂树脂和着色剂的调色剂基础颗粒和至少一种外部添加剂。外部添加剂至少含有粘附的颗粒; 粘附的颗粒是由一次颗粒彼此附着形成的非球形二次颗粒; 粘附粒子的粒径分布指数由下式（1）表示，其中，当累积值为50数量％时，Db表示粘附粒子的粒径，当粒径（nm）为附着粒子为横坐标，附着粒子的累计值（％）为纵坐标，附着粒子的累积分布从小粒子侧抽出; 并且Db表示在累积值为10数量％的点处的附着粒子的粒径。

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