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1. 发明专利

JP2013155322A Ink 审中-公开
标题翻译：墨水
公开(公告)号：JP2013155322A
公开(公告)日：2013-08-15
申请号：JP2012017647
申请日：2012-01-31
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KATO KEITA , KUDO MAKI , NAKAGAWA TOMOHIRO , GOTO AKIHIKO
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
CPC分类号： C09D11/30 , C09D11/102
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording liquid in which aggregation of a colorant is prevented even when the inkjet recording liquid is locally dried at printer head nozzles, and whose jetting stability is excellent, in an ink including the colorant and a resin emulsion, and excellent in abrasion-resistance and lustrousness.SOLUTION: An inkjet recording liquid at least includes water, a water-soluble organic solvent, a colorant, and a resin emulsion, wherein the colorant includes a resin coating type coloring agent, and the resin emulsion is an anionic polyurethane resin emulsion, and a relation between an initial particle diameter (particle diameter D50(INI)) of particles included in a liquid composition and a particle diameter (D50(60%)) of particles included in the liquid composition which has been dried to a state having 60% by weight of the initial state satisfies following formula (1): 1.00≤D50(60%)/D50(INI)
摘要翻译：要解决的问题：为了提供喷墨记录液体，即使在喷墨记录液在打印头喷嘴局部干燥并且其喷射稳定性优异的情况下也能防止着色剂的聚集，在包含着色剂和树脂乳液的油墨中，耐磨性和光泽性优异。解决方案：喷墨记录液体至少包括水，水溶性有机溶剂，着色剂和树脂乳液，其中着色剂包括树脂涂布型着色剂，树脂乳液是阴离子聚氨酯树脂乳液，并且包含在液体组合物中的颗粒的初始粒径（粒径D50（INI））与液体组合物中包含的颗粒的粒径（D50（60％））之间的关系，其中已经干燥至初始状态的60重量％满足下式（1）：1.00≤D50（60％）/ D50（INI）<1.30的状态。

2. 发明专利

JP2010214811A Waste liquid absorber of ink recovery unit, ink recovery unit, and inkjet recording apparatus 有权
标题翻译：墨水回收单元，墨水回收单元和喷墨记录装置的废液吸收器
公开(公告)号：JP2010214811A
公开(公告)日：2010-09-30
申请号：JP2009064971
申请日：2009-03-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NANBA MICHIHIKO , SAKAUCHI AKIKO , TAMAI TAKASHI , GOTO AKIHIKO , NAGAI KIYOFUMI
IPC分类号： B41J2/18 , B41J2/185 , C09K3/32
摘要： PROBLEM TO BE SOLVED: To provide a waste liquid absorbing member capable of maintaining the waste liquid absorbing member in an ink recovery unit over a long period of time, and surely carrying out the detection of full tank fueling with a waste liquid, and an inkjet recording apparatus using the same.
SOLUTION: The ink recovery unit of the inkjet recording apparatus has a waste liquid absorbing member impregnated with glycerin, and a dipeptide as a solid wetting agent.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种能够长时间地将废液吸收部件保持在墨回收部中的废液吸收部件，并且可靠地进行利用废液的全罐燃料检测的检测，以及使用该喷墨记录装置的喷墨记录装置。解决方案：喷墨记录装置的油墨回收单元具有浸渍有甘油的废液吸收构件和作为固体润湿剂的二肽。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010070620A Inkjet recording ink set and inkjet recording method 有权
标题翻译：喷墨记录墨盒和喷墨记录方法
公开(公告)号：JP2010070620A
公开(公告)日：2010-04-02
申请号：JP2008238447
申请日：2008-09-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOJIMA MARIKO , GOTO AKIHIKO
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
CPC分类号： C09D11/40 , B41M5/0011 , B41M5/0023 , C09D11/324
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording ink set which has less color difference upon performing bidirectional printing and can print in high density, in a printing method where a black image is formed by overlapping color ink droplets with black ink droplets, and to provide an inkjet recording method using the ink set.
SOLUTION: This inkjet recording ink set includes a black ink and at least one color ink, wherein the black ink and the color ink respectively contain a color material, water, a water-soluble organic solvent, and a surfactant. The black ink contains, as the coloring material, carbon black which has a hydrophilic group on its surface and can be dispersed in water without using a dispersant, and only the color ink contains, as the surfactant, a fluorine surfactant of a specific chemical structure.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在执行双向打印时具有较少色差并且可以高密度打印的喷墨记录油墨组，在其中通过与彩色墨滴与黑色墨滴重叠形成黑色图像的打印方法中并且提供使用该油墨组的喷墨记录方法。解决方案：该喷墨记录油墨组包括黑色油墨和至少一种彩色油墨，其中黑色油墨和彩色油墨分别含有着色材料，水，水溶性有机溶剂和表面活性剂。黑色墨水作为着色材料含有其表面具有亲水性基团的炭黑，并且可以分散在水中而不使用分散剂，并且只有彩色油墨含有特定化学结构的氟表面活性剂作为表面活性剂。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009028990A Filling liquid, cartridge for filling liquid, image recording method, and image recorder 审中-公开
标题翻译：填充液体，填充液体盒，图像记录方法和图像记录仪
公开(公告)号：JP2009028990A
公开(公告)日：2009-02-12
申请号：JP2007194601
申请日：2007-07-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAKAUCHI AKIKO , INOUE TOMOHIRO , GOTO AKIHIKO
IPC分类号： B41J2/175 , B41J2/01 , B41M5/00
摘要： PROBLEM TO BE SOLVED: To provide a filling liquid that is free from discharge failure in use even in a severe transport and storage environment by reducing a quantity of evaporation of a filling liquid that is in an equilibrium state, as much as possible, and to provide a cartridge for filling liquid, image recording method, and an image recorder.
SOLUTION: The filling liquid contains at least a humectant and fills the ink passage of the image recorder. The quantity of evaporation of the filling liquid that is in an equilibrium state in an environment with a temperature of 20°C and 60% humidity RH is 30% or less.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在严格的运输和储存环境中，通过尽可能地减少处于平衡状态的填充液体的蒸发量来提供即使在使用中也没有排放故障的填充液体并且提供用于填充液体的盒，图像记录方法和图像记录器。
解决方案：填充液体至少含有湿润剂并填充图像记录器的墨水通道。在温度为20℃，湿度为60％的环境下，处于平衡状态的填充液的蒸发量为30％以下。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008069332A Ink for inkjet recording, ink set for inkjet recording, ink medium set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus 有权
标题翻译：用于喷墨记录的墨水，用于喷墨记录的墨盒，用于喷墨记录的墨盒，墨盒，喷墨记录方法和喷墨记录装置
公开(公告)号：JP2008069332A
公开(公告)日：2008-03-27
申请号：JP2006251880
申请日：2006-09-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NANBA MICHIHIKO , GOTO AKIHIKO , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41J2/175 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide ink for inkjet recording, which has good medium carrying ability and image reliability such as beading and cockling, and is excellent in density, gloss, image reliability, clogging reliability and storage stability, and to provide an inkjet recording method and so on. SOLUTION: This ink for inkjet recording, suitable for ink-jet recording on a recording medium which has a monolayered or multi-layered barrier layer on at least one side of a support containing cellulose pulp as a main component and in which the barrier layer contains an inorganic pigment, except alumina hydrate, having a refractive index of ≥1.5 in an amount of ≥30 wt.% and the pigment having a refractive index of COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有良好介质携带能力和图像可靠性的诸如珠光和起皱的喷墨记录用油墨，并且具有优异的密度，光泽度，图像可靠性，堵塞可靠性和储存稳定性，并且提供喷墨记录方法等。解决方案：用于喷墨记录的墨水，适用于在包含纤维素纸浆作为主要成分的载体的至少一侧上具有单层或多层阻挡层的记录介质上进行喷墨记录，其中阻挡层含有氧化铝水合物，折射率≥1.5，≥30重量％的量的无机颜料，折射率<1.5的颜料的含量为≤10重量％，其特征在于包含水，水溶性有机溶剂和着色剂，并且在作为固体保湿剂的油墨中含有二肽，表面张力为20〜35nN / m，粘度≥5mPa·s。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2008069327A Ink for inkjet recording, ink set for inkjet recording, ink medium set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus 有权
标题翻译：用于喷墨记录的墨水，用于喷墨记录的墨盒，用于喷墨记录的墨盒，墨盒，喷墨记录方法和喷墨记录装置
公开(公告)号：JP2008069327A
公开(公告)日：2008-03-27
申请号：JP2006251771
申请日：2006-09-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NANBA MICHIHIKO , MATSUYAMA AKIHIKO , MOROHOSHI NAOYA , OSHIMA SUSUMU , KOYANO MASAYUKI , GOTO AKIHIKO , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41J2/175 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide ink for inkjet recording, which comprises a selective combination of a specific inkjet recording medium with specified pigment ink for inkjet and gives printed articles excellent in density, gloss and image reliability and near to commercially printed articles at low costs and in good print qualities. SOLUTION: This ink for inkjet recording, suitable for inkjet recording on a recording medium which has a monolayered or multi-layered barrier layer on at least one side of a support containing pulp as a main component and in which the barrier layer contains an inorganic pigment (P2), except alumina hydrate, having a refractive index of ≥1.5 in an amount of ≥30 wt.% and the pigment (P2) having a refractive index of COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供用于喷墨记录的油墨，其包括特定喷墨记录介质与用于喷墨的特定颜料油墨的选择性组合，并且提供密度，光泽和图像可靠性以及商业印刷品附近优异的印刷品成本低，打印质量好。解决方案：用于喷墨记录的墨水，适用于在包含纸浆作为主要成分的载体的至少一侧上具有单层或多层阻挡层的记录介质上进行喷墨记录，并且阻挡层含有除氧化铝水合物外，折射率≥1.5的量为≥30重量％的无机颜料（P2）和<10重量％的折射率<1.5的颜料（P2）的含量为≤10重量％其特征在于，在25℃下具有20〜35mN / m的表面张力的水，水溶性有机溶剂，水分散性树脂（A）和着色剂（B）的颜料（P1），粘度 ≥5mPa·s，并含有一种或多种氟表面活性剂作为表面活性剂。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2006282986A Recording ink, and ink cartridge, ink-recorded article, inkjet recording device and inkjet recording method 有权
标题翻译：记录墨水和墨盒，墨盒记录装置，喷墨记录装置和喷墨记录方法
公开(公告)号：JP2006282986A
公开(公告)日：2006-10-19
申请号：JP2005269773
申请日：2005-09-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOJIMA MARIKO , INOUE TOMOHIRO , GOTO AKIHIKO , NANBA MICHIHIKO , HABASHI HISAFUMI , SAKAUCHI AKIKO , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41J2/175 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide a recording ink which has excellent discharge stability and storage stability, rapidly penetrates into a recording medium, to form a coating, is free from the generation of staining in high-speed printing and double-sided printing, excels in marker resistance and enables high quality image recording with less bleeding, and the like. SOLUTION: The recording ink essentially comprises water, a colorant, resin fine particles and a penetrant, wherein the penetrant is a 7-11C diol compound and the resin particle is composed of a silicone-modified acrylic resin containing no hydrolyzable silyl group. An embodiment where the volume average particle diameter of the resin particles is 10-300 nm and an embodiment where the amount of silicon (Si) derived from the silicone-modified acrylic resin in the recording ink is 50-400 ppm are preferable. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有优异的放电稳定性和储存稳定性的记录油墨，快速渗透到记录介质中以形成涂层，在高速印刷和双面印刷中不产生染色印刷，耐标记性优异，能够以较少的出血等进行高质量的图像记录。解决方案：记录油墨基本上包括水，着色剂，树脂细颗粒和渗透剂，其中渗透剂是7-11C二醇化合物，树脂颗粒由不含可水解甲硅烷基的硅氧烷改性丙烯酸树脂组成。其中树脂颗粒的体积平均粒径为10-300nm的实施方案，以及记录油墨中衍生自硅氧烷改性丙烯酸树脂的硅（Si）的量为50-400ppm的实施方案。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005170035A Maintenance and recovery unit and maintenance and recovery method using ink which rapidly increases viscosity (viscosity increase ratio (mpa s/%) exceeding 50) during moisture evaporation 30-45% and inkjet recording apparatus 审中-公开
标题翻译：维护和恢复单元和维护和恢复方法使用墨水快速增加粘度（粘度增加比（MPA S /％）超过50）水分蒸发30-45％和喷墨记录装置
公开(公告)号：JP2005170035A
公开(公告)日：2005-06-30
申请号：JP2004272179
申请日：2004-09-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KANEKO TETSUYA , KUSUNOKI MASAMUNE , NANBA MICHIHIKO , GOTO AKIHIKO , SATO KENJI , NAGAI KIYOFUMI
IPC分类号： B41J2/165 , B41J2/01 , B41J2/17 , B41J2/18 , B41J2/185 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording apparatus capable of outputting a high-speed high-quality image on plain paper and having long-lasting reliability, and also a maintenance and recovery unit and a maintenance and recovery method. SOLUTION: In the maintenance and recovery unit for the inkjet recording apparatus which records by ejecting ink from nozzles of an inkjet head, the ink contains at least a colorant dispersed in water, wetting agents and a penetration improver. The ink is further composed so that the viscosity increase rate (mPa s/%) accompanying moisture evaporation is not more than 1.0 wherein the moisture evaporation rate does not exceed 30% based on the total weight of the ink, and the viscosity increase rate exceeds 50 during the moisture evaporation rate of 30-45%. The feature of the maintenance and recovery unit includes heads having a plurality of covering means which cover the heads and a suction force generating means communicating at least to one covering means and having at least one covering means not communicating to the suction force generating means. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够在普通纸上输出高速高质量图像并具有持久可靠性的喷墨记录装置，以及维护和恢复单元以及维护和恢复方法。解决方案：在通过从喷墨头的喷嘴喷射墨水记录的喷墨记录装置的维护和恢复单元中，油墨至少含有分散在水中的着色剂，润湿剂和渗透改进剂。油墨进一步组成，使得伴随水分蒸发的粘度增加率（mPa s /％）不大于1.0，其中水分蒸发速率基于油墨的总重量不超过30％，并且粘度增加率超过 50时水分蒸发率在30-45％之间。维护和恢复单元的特征包括具有覆盖头部的多个覆盖装置的头部和至少与一个覆盖装置连通并且具有至少一个不与吸力产生装置连通的覆盖装置的抽吸力产生装置。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005089713A Ink applicable to both-side ink-jet recording, recording method, and recording apparatus 有权
标题翻译：油墨适用于双面油墨记录，记录方法和记录装置
公开(公告)号：JP2005089713A
公开(公告)日：2005-04-07
申请号：JP2003329166
申请日：2003-09-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAGAI KIYOFUMI , KOJIMA MARIKO , GOTO AKIHIKO , KONISHI AKIKO
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an ink and a recording apparatus that make a both-side printing performable at a high speed and that hardly generate a picture quality deterioration even when the both-side printing is performed at a high speed.
SOLUTION: The ink applicable to a both-side ink-jet recording is an ink that is to be used for the ink-jet recording apparatus in which the printing of the second face of a medium to be printed is performed after the printing of the first face of the medium, comprises at least a coloring agent, and water and a water-soluble organic solvent for dispersing or dissolving the coloring agent, and that contains at least a surfactant and/or a permeative organic solvent to promote the permeation of the ink into the medium to be printed. The time in which the ink is absorbed to the recording surface after the printing of the first face is 5 s or shorter. The recording ink is characterised in that the coloring agent comprises at least a water-insoluble pigment and coloring fine particles.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：为了提供即使在高速进行双面打印的情况下也能够高速地进行双面打印的墨水和记录装置，并且难以产生图像质量劣化。解决方案：适用于双面喷墨记录的油墨是用于喷墨记录装置的油墨，其中在要印刷的介质的第二面的打印在培养基的第一面的印刷，至少包含着色剂，以及用于分散或溶解着色剂的水和水溶性有机溶剂，并且至少含有表面活性剂和/或渗透性有机溶剂以促进油墨渗入待印刷的介质中。在第一面的印刷之后墨水被吸收到记录表面的时间为5秒以下。记录油墨的特征在于，着色剂至少包含水不溶性颜料和着色细颗粒。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2003335987A Ink for ink jet recording, ink set, ink cartridge, recording apparatus and recording method 有权
标题翻译：喷墨记录墨盒，墨盒，墨盒，记录装置和记录方法
公开(公告)号：JP2003335987A
公开(公告)日：2003-11-28
申请号：JP2002145855
申请日：2002-05-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NANBA MICHIHIKO , GOTO AKIHIKO , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41J2/135 , B41J2/16 , B41M5/00 , C09D11/00 , C09D11/326 , C09D11/38 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To provide an ink set for ink jet recording giving good color tone when printed on a plain paper. SOLUTION: The ink set for ink jet recording is composed of a black ink and a color ink. The color ink is an aqueous dispersion of fine polymer particles containing a colorant. Pigments are used as the colorants for the color ink and the black ink. A specific moistening agent, an 8-11C polyol or glycol ether, a water-soluble organic solvent and water are included in the ink in combination with a specific surfactant and a fluorine-based surfactant having a specific structure to improve the color developing property, especially remarkably improve the chroma of magenta color, remarkably improve the chroma of secondary colors comprising green, blue and red, especially green color and improve the color-developing property of a pigment-based ink. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供用于喷墨记录的油墨组，当在普通纸上打印时提供良好的色调。
解决方案：用于喷墨记录的油墨组由黑色油墨和彩色油墨组成。彩色油墨是含有着色剂的聚合物微粒的水性分散体。颜料用作彩色墨水和黑色墨水的着色剂。特定的润湿剂，8-11C多元醇或二醇醚，水溶性有机溶剂和水与特定表面活性剂和具有特定结构的氟基表面活性剂组合包括以改善显色性能，特别是显着地提高品红色的色度，显着地提高了包含绿，蓝，红，特别是绿色的二次色的色度，提高了颜料类油墨的显色性。版权所有（C）2004，JPO

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