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1. 发明专利

JP2014065863A Ink for inkjet recording, ink cartridge and inkjet recording device 有权
标题翻译：喷墨记录墨盒，墨盒和喷墨记录装置
公开(公告)号：JP2014065863A
公开(公告)日：2014-04-17
申请号：JP2012213855
申请日：2012-09-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOJIMA MARIKO , NAGAI KIYOFUMI
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
摘要： PROBLEM TO BE SOLVED: To provide an ink for ink jet recording capable of preventing the ink from drying at a nozzle, enhancing dryability of a recorded image and obtaining the image having less blurring and high quality.SOLUTION: The ink for ink jet recording includes water, an organic solvent, a coloring agent and polymer particles. The polymer particle has a core shell structure consisting of a core and a shell covering the core surface. The core includes a cationic polymer, and the shell includes a polymer having a lower-limit critical melting temperature of 30°C-80°C.
摘要翻译：要解决的问题：提供一种喷墨记录用墨水，其能够防止墨水在喷嘴处干燥，提高记录图像的干燥性，并获得模糊和高质量的图像。解决方案：喷墨记录用墨水包括水，有机溶剂，着色剂和聚合物颗粒。聚合物颗粒具有芯壳结构，其由芯和覆盖芯表面的壳组成。核心包括阳离子聚合物，并且壳包括具有30℃至80℃的下限临界熔融温度的聚合物。

2. 发明专利

JP2012107210A Recording ink, ink cartridge, inkjet recording method, inkjet recording apparatus, and matter recorded by ink 有权
标题翻译：记录墨水，墨盒，喷墨记录方法，喷墨记录装置和墨盒记录的事项
公开(公告)号：JP2012107210A
公开(公告)日：2012-06-07
申请号：JP2011226608
申请日：2011-10-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： GOTO HIROSHI , NAGAI KIYOFUMI , ARIGA TAMOTSU
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 a recording ink which enables the reduction of the amount of curl in a standard paper right after printing, is excellent in image quality of the standard paper and high-speed compatibility, is excellent in discharge stability, and is excellent in drying characteristics in a general-purpose printing paper; and to provide an ink cartridge, an inkjet recording method, an inkjet recording apparatus, and a matter recorded by ink.SOLUTION: The recording ink comprises at least water, a water-soluble organic solvent, a surfactant, and a colorant. The recording ink further contains, as the water-soluble organic solvent: one or more polyalcohol having equilibrium water content of 30 mass% at 23°C under humidity of 80%RH; and at least one amide compound expressed by the general formula (I) (wherein Rand Rare each methyl group; and Ris 4-6C alkyl group).
摘要翻译：要解决的问题：为了提供能够在印刷后立即减少标准纸中的卷曲量的记录油墨，标准纸的图像质量优异和高速相容性优异，排出稳定性优异并且在通用印刷纸中的干燥特性优异; 并提供墨盒，喷墨记录方法，喷墨记录装置和由墨记录的物品。解决方案：记录油墨至少包含水，水溶性有机溶剂，表面活性剂和着色剂。记录墨水还在水溶性有机溶剂中含有一种或多种在23℃，80％RH湿度条件下，平衡含水量为30质量％的多元醇; 和由通式（I）表示的至少一种酰胺化合物（其中R 1 和R SB SB =“POST”> 2 分别为甲基; 并且R 3 是4-6C烷基）。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012011567A Liquid composition, recording method, and recorded matter 有权
标题翻译：液体组合物，记录方法和记录事项
公开(公告)号：JP2012011567A
公开(公告)日：2012-01-19
申请号：JP2010147592
申请日：2010-06-29
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： GOTO HIROSHI , FUJII HIDETOSHI , NAGAI KIYOFUMI
IPC分类号： B41M5/00 , B41J2/01
CPC分类号： C09D7/1233 , B05D5/04 , B41M5/0017 , C08F26/04 , C08K5/175 , C08K5/19 , C09D7/63 , C09D11/106 , C09D11/322 , C09D11/40 , C09D11/54 , Y10T428/24901
摘要： PROBLEM TO BE SOLVED: To solve such the problem that though a large quantity of polymer fine particles are required upon the fixing of ink by the polymer fine particles, in a liquid composition including a large quantity of the polymer fine particles, viscosity is easily increased, and discharge stability and storage stability of the liquid composition are deteriorated with the increase of the viscosity.SOLUTION: When ink is stuck to a recording medium stuck with the liquid composition, a vehicle included in the ink swiftly diffuses by the action of ammonium lactate included in the liquid composition, and simultaneously, a coloring agent is flocculated. By occurrence of the diffusion of the vehicle and the flocculation of the coloring agent, the coloring agent is fixed at the shallow position at the inside of the recording medium, thus occurrence of feathering and color bleed can be prevented, and further, a recorded matter which has satisfactory fixability can be obtained.
摘要翻译：解决的问题为了解决在聚合物微粒固定油墨时需要大量聚合物细颗粒的问题，在包含大量聚合物细颗粒的液体组合物中，粘度容易增加，并且液体组合物的排出稳定性和储存稳定性随着粘度的增加而劣化。解决方案：当油墨粘附到粘附有液体组合物的记录介质时，包含在油墨中的载体通过包含在液体组合物中的乳酸铵的作用迅速扩散，同时着色剂被絮凝。通过车辆的扩散和着色剂的絮凝的发生，着色剂被固定在记录介质的内侧的浅的位置处，从而可以防止发生羽化和渗色，此外，记录物可获得令人满意的定影性。版权所有（C）2012，JPO＆INPIT

4. 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

5. 发明专利

JP2010022928A Antifoamer and inkjet ink using the same 有权
标题翻译：防雾剂和喷墨墨水使用它
公开(公告)号：JP2010022928A
公开(公告)日：2010-02-04
申请号：JP2008186817
申请日：2008-07-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI , NANBA MICHIHIKO , SAKAUCHI AKIKO , NAGAI KIYOFUMI
IPC分类号： B01D19/04 , B41J2/01 , B41M5/00 , C09D11/00 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an antifoamer having an excellent antifoaming effect on foam formation of an aqueous solution having a low surface tension, and inkjet ink having a low foaming property, containing the antifoamer.
SOLUTION: The antifoamer comprises a fluorine compound shown in formula (1) below and a fluorochemical surfactant. In formula (1), n each independently represents an integer of 1-4, R represents hydrogen or 1-6C alkyl group, and Rf each independently represents in a 1-4C straight or branched fluoroalkyl group in which 50% or more of hydrogen atoms is replaced with F.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的消泡效果的消泡剂，其具有低表面张力的水溶液的泡沫形成，以及含有消泡剂的起泡性低的喷墨油墨。消泡剂包含下述式（1）所示的氟化合物和含氟表面活性剂。在式（1）中，n各自独立地表示1-4的整数，R表示氢或1-6C的烷基，Rf各自独立地表示1-4C的直链或支链的氟代烷基，其中50％或更多的氢原子被替换为F.版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009233925A Inkjet recording medium and inkjet recording method 有权
标题翻译：喷墨记录介质和喷墨记录方法
公开(公告)号：JP2009233925A
公开(公告)日：2009-10-15
申请号：JP2008080395
申请日：2008-03-26
申请人： Nippon Paper Industries Co Ltd , Ricoh Co Ltd , 日本製紙株式会社 , 株式会社リコー
发明人： WATANABE TAICHI , SAWA YUJI , TAKIGAWA KEI , MOROHOSHI NAOYA , NAGAI KIYOFUMI
IPC分类号： B41M5/00 , B41J2/01 , B41M5/50 , B41M5/52
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording medium which can give a feeling of a coated paper for offset printing at a low cost and also, successful printing quality with excellent ink absorbency, fretting resistance of the printing part and low incidence of a spur mark. SOLUTION: This inkjet recording medium has an ink receptive layer made up of a binder containing an acrylonitrile-butadiene-based copolymer with a butadiene content of not less than 50 mass%, formed on one side or both sides of a base paper composed mainly of wood pulp. In addition, the content ratio of the acrylonitrile-butadiene-based copolymer for 100 pts.mass of the inorganic pigment is not less than one pt.mass to not more than 8 pts.mass. Further, not less than 60 mass% of the inorganic pigment is kaolin which makes particles, with an average particle diameter measuring not less than 0.15 μm to less than 0.50 μm, and not more than 2.0 μm by precipitation process, occupy not less than 95% in terms of a squaring value by volume standard. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种喷墨记录介质，其可以以低成本给出用于胶版印刷的涂布纸的感觉，并且还具有优异的油墨吸收性，印刷部件的耐磨性和低发射率的成功的印刷质量的标记。解决方案：该喷墨记录介质具有由含有丁二烯含量不低于50质量％的丙烯腈 - 丁二烯类共聚物的粘合剂构成的吸墨层，形成在原纸的一面或两面主要由木浆组成。此外，无机颜料100重量份的丙烯腈 - 丁二烯系共聚物的含有比例不小于1重量％〜8重量份。此外，不小于60质量％的无机颜料是通过沉淀法使平均粒径在0.15μm以上且小于等于0.50μm且不大于2.0μm的颗粒的高岭土，不小于95 按体积标准的平方值计算。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009233924A Inkjet recording medium and inkjet recording method 有权
标题翻译：喷墨记录介质和喷墨记录方法
公开(公告)号：JP2009233924A
公开(公告)日：2009-10-15
申请号：JP2008080394
申请日：2008-03-26
申请人： Nippon Paper Industries Co Ltd , Ricoh Co Ltd , 日本製紙株式会社 , 株式会社リコー
发明人： WATANABE TAICHI , SAWA YUJI , TAKIGAWA KEI , MOROHOSHI NAOYA , NAGAI KIYOFUMI
IPC分类号： B41M5/00 , B41J2/01 , B41M5/50 , B41M5/52
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording medium which can give a feeling of matte-toned coated paper for offset printing at low cost and also, successful printing quality, with superior ink absorbency and fretting resistance. SOLUTION: This inkjet recording medium has an ink receptive layer consisting of a binder containing an acrylonitrile-butadiene-based copolymer with a butadiene content of not less than 50 mass%, and an inorganic pigment, formed on one side or both sides of a base paper composed mainly of wood pulp. In addition, the content ratio of the acrylonitrile-butadiene-based copolymer for 100 pts.mass of the inorganic pigment, is not less than 1 pts.mass to not more than 8 pts.mass, and it is kaolin that accounts for not less than 60 mass% of the inorganic pigment, and contains a particle, measuring not less than 0.4 μm to less than 4.2 μm by the laser diffraction process, which is equivalent to not less than 64% in terms of a squaring value by a volume standard. The inkjet recording medium is not calendered after coating. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种喷墨记录介质，其能够以低成本给出无光泽涂布纸的胶印，并且还具有成功的印刷质量，具有优异的吸墨性和耐磨性。解决方案：该喷墨记录介质具有由含有丁二烯含量不小于50质量％的丙烯腈 - 丁二烯类共聚物的粘合剂和在一侧或两侧形成的无机颜料组成的吸墨层主要由木浆组成的原纸。此外，无机颜料100重量份的丙烯腈 - 丁二烯类共聚物的含有比例不低于1质量份至8份以下，高岭土不低于不到60质量％的无机颜料，并且包含通过激光衍射法测量不小于0.4μm至小于4.2μm的颗粒，其等于不小于64％的平方值乘以体积标准。喷墨记录介质在涂布后不被压光。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009220529A Ink-jet recording method, and recording medium and water base ink for the method 有权
标题翻译：油墨记录方法，记录介质和水基油墨方法
公开(公告)号：JP2009220529A
公开(公告)日：2009-10-01
申请号：JP2008070309
申请日：2008-03-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OSHIMA SUSUMU , NAGAI KIYOFUMI
IPC分类号： B41M5/00 , B41J2/01 , B41M5/50 , B41M5/52 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
CPC分类号： B41J2/1642 , B41J2/1606 , B41J2/162 , B41J2/1623 , B41J2/1634 , B41J2/1646 , B41M5/0023 , B41M5/502 , B41M5/508 , B41M5/52 , B41M5/5218 , B41M5/5227 , B41M5/5236 , B41M5/5245 , B41M5/5254 , C09D11/322
摘要： PROBLEM TO BE SOLVED: To provide an ink-jet recording method which is inexpensive and good in printing grade, can print a print having a texture close to a commercial print simply at a high speed, and can materialize a high image gloss even on a mat-tone medium. SOLUTION: In the ink-jet recording method, at least one coating layer which contains pigment and an adhesive and has a content of a cationic additive contained in a material forming the coating layer of 0.1% or below is applied on at least one side of a support containing cellulosic pulp as a main component, and a recording medium having a 60° gloss specified in JIS-ZS-8741 of the surface of a surface layer of 13 or below and an average center line roughness Ra when a cut-off value is 0.8 μm of 0.2-2.5 μm and a water base ink which contains at least a particulate coloring material, a resin emulsion, water, and a wetting agent and has a solid content of at least 3 wt.% are used for printing. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供便宜且印刷等级好的喷墨记录方法，可以简单地高速地印刷具有接近商业印刷的纹理的印刷品，并且可以实现高图像光泽度甚至在一个哑铃媒体上。解决方案：在喷墨记录方法中，至少涂覆含有颜料和粘合剂并且至少包含形成涂层的材料中所含阳离子添加剂含量为0.1％以下的涂层含有纤维素浆料作为主要成分的载体的一面，以及表面层的表面的表面的JIS-ZS-8741中规定的具有60°光泽度的记录介质为13以下，切割时的平均中心线粗糙度Ra -off值为0.2-2.5μm的0.8μm，并且至少含有颗粒着色材料，树脂乳液，水和润湿剂并且具有至少3重量％的固体含量的水基油墨用于打印。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009166353A Inkjet device and preliminary ejection method 审中-公开
标题翻译：喷墨装置和初步喷射方法
公开(公告)号：JP2009166353A
公开(公告)日：2009-07-30
申请号：JP2008006916
申请日：2008-01-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HABASHI HISAFUMI , NAGAI KIYOFUMI
IPC分类号： B41J2/18 , B41J2/185
摘要： PROBLEM TO BE SOLVED: To provide an inkjet device and a preliminary ejection method by which visibility of dots due to preliminary ejection can be lowered.
SOLUTION: The inkjet device 101 includes a head unit 110 which ejects an ink to paper 114, and a roller 136 which performs preprocessing of the paper 114 with colorless or light color processing solution 135 before the ink is ejected to the paper 114. The head unit 110 can preliminarily eject the ink to the paper 114. The roller 136 can perform preprocessing of an area of the paper 114 to which the ink is preliminarily ejected with the processing solution 135 before the ink is preliminarily ejected.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够降低由于预喷射引起的点的可视性的喷墨装置和预喷射方法。解决方案：喷墨设备101包括将墨水喷射到纸张114的头单元110以及在将墨水喷射到纸张114之前执行无色或浅色处理溶液135对纸114进行预处理的滚筒136 头单元110可以预先将墨水喷射到纸张114.在预先喷射墨水之前，滚筒136可以对处理溶液135预先喷射墨水的纸张114的区域进行预处理。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009019198A Inkjet recording ink, ink media set, ink cartridge, inkjet recorder and inkjet recording method 有权
标题翻译：喷墨记录墨盒，墨盒，墨盒，喷墨记录器和喷墨记录方法
公开(公告)号：JP2009019198A
公开(公告)日：2009-01-29
申请号：JP2008152506
申请日：2008-06-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： GOTO HIROSHI , NAGAI KIYOFUMI , ARIGA TAMOTSU , KOYANO MASAYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
CPC分类号： C09C1/565 , B41M5/0023 , C01P2006/22 , C09C1/56 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To provide ink superior in coping with an image quality and high speed printing to plain paper, and superior in preserving stability and delivery stability, the ink friendly to a maintaining device of an ink delivery device, an ink cartridge, a recording method using the ink, a recorder and an ink-recorded product. SOLUTION: This inkjet recording ink is mainly composed of at least a coloring agent dispersing in water, a water-soluble organic solvent (a wetting agent), a surface active agent, a penetrating agent, a water-dispersing resin and water. The inkjet recording ink is characterized in that when storing the ink for 24 hours under an environmental condition of the temperature 50°C and humidity of 12%, the solvent evaporation ratio in the ink is 50 wt.% or more, and ink residue viscosity is 20,000 mPa s or more, and moisture is absorbed by storing an ink residue for 6 hours in an environment of humidity of 95% at 23°C, and thereby, a moisture quantity in the ink residue becomes 30 to 40 wt.%, and viscosity indicated in that case is less than 500 mPa s. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供优异的应对图像质量和高速印刷到普通纸的油墨，并且具有优异的保存稳定性和输送稳定性的油墨，对油墨输送装置的维持装置友好的油墨，油墨墨盒，使用墨水的记录方法，记录器和墨水记录产品。解决方案：该喷墨记录油墨主要由至少分散在水中的着色剂，水溶性有机溶剂（润湿剂），表面活性剂，渗透剂，水分散性树脂和水组成。喷墨记录油墨的特征在于，当在温度50℃，湿度12％的环境条件下储存油墨24小时时，油墨中的溶剂蒸发率为50重量％以上，油墨残留粘度为20,000mPa·s以上，通过在23℃的湿度为95％的环境中储存油墨残留物6小时来吸收水分，因此油墨残余物中的水分量为30〜40重量％在这种情况下所示的粘度小于500mPa·s。版权所有（C）2009，JPO＆INPIT

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