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41. 发明专利

JP2009235233A Ink for inkjet recording, ink cartridge, image formation method and image formation entity 有权
标题翻译：喷墨记录墨盒，墨盒，图像形成方法和图像形成实体
公开(公告)号：JP2009235233A
公开(公告)日：2009-10-15
申请号：JP2008082786
申请日：2008-03-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HASEGAWA SHIN , HAKIRI MINORU , NARUSE MITSURU , FUSHIMI HIROYUKI
IPC分类号： B41J2/01 , B41J2/135 , B41J2/16 , B41M5/00 , C09D11/00 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an ink for inkjet recording superior in a discharge stability, an image evaluation, and a storage stability, and also to provide an ink cartridge using the ink, an image forming method and an image forming product.
SOLUTION: (1) The ink for the inkjet recording comprised of at least a carbonblack, a dispersing agent, a polyurethane resin and water where a volatile component of the carbon black is 8.0 to 12.0 wt.%, an acid number of the polyurethane resin is 60-100. (2) The ink for the inkjet recording described in (1), the dispersing agent described above is a naphthalene sulfonic acid sodium formalin condensate, in the condensate, the total amount of the dimer trimer and tetramer of the naphthalene sulfonic acid is 20 to 80 wt.% and a compounding ratio of the condensate is 0.01 to 2 (wt. ratio) per the carbon black 1.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供喷墨稳定性，图像评价和存储稳定性优异的喷墨记录用油墨，以及提供使用油墨的墨盒，图像形成方法和图像形成品。解决方案：（1）用于喷墨记录的油墨至少包括炭黑，分散剂，聚氨酯树脂和水，其中炭黑的挥发性组分为8.0至12.0重量％，酸值为聚氨酯树脂为60-100。（2）如上述（1）所述的喷墨记录用油墨，上述分散剂是萘磺酸钠福尔马林缩合物，在缩合物中，萘磺酸的二聚体三聚体和四聚体的总量为20〜 80重量％，并且冷凝物的配合比例为每炭黑1为0.01〜2（重量比）。版权所有（C）2010，JPO＆INPIT

42. 发明专利

JP2009203279A Inkjet ink 审中-公开
标题翻译： INKJET墨水
公开(公告)号：JP2009203279A
公开(公告)日：2009-09-10
申请号：JP2008044525
申请日：2008-02-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HAKIRI MINORU , FUSHIMI HIROYUKI , NARUSE MITSURU , HASEGAWA SHIN
IPC分类号： B41J2/01 , B41M5/00 , B82Y30/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an inkjet ink excellent in image concentration, discharge stability and storage stability, and to provide a related technique thereof.
SOLUTION: (1) The inkjet ink comprises: at least a pigment, a Gemini type dispersing agent and water; (2) the ink described in (1), wherein the Gemini type dispersing agent is a sodium salt of the condensation product of N-lauroyl-L-glutamic acid with L-lysine; (3) the ink described in (2), wherein the pigment is carbon black; (4) the ink described in (3), wherein the average primary particle diameter of the carbon black is 10 to 30 nm, and the BET specific surface area of the carbon black is 100 to 400 m
2 /g; and (5) the ink described in (3) or (4), wherein the average particle diameter (D50) of the carbon black on the measurement of the particles by a dynamic light-scattering method is 70 to 180 nm, and a particle diameter standard deviation in the particle size distribution of the carbon black is ≤1/2 of the average particle diameter.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供图像浓度，放电稳定性和储存稳定性优异的喷墨油墨，并提供其相关技术。解决方案：（1）喷墨油墨包括：至少一种颜料，双子型分散剂和水; （2）如（1）所述的油墨，其中所述双子型分散剂为N-月桂酰基-L-谷氨酸与L-赖氨酸的缩合物的钠盐，（3）（2）所述的油墨，其中，所述颜料为炭黑; （4）如（3）所述的油墨，其中，所述炭黑的平均一次粒径为10〜30nm，所述炭黑的BET比表面积为100〜400μm2， /G; 和（5）在（3）或（4）中描述的油墨，其中通过动态光散射法测量颗粒上的炭黑的平均粒径（D50）为70〜180nm，粒子碳黑的粒度分布的直径标准偏差为平均粒径的1/2。版权所有（C）2009，JPO＆INPIT

43. 发明专利

JP2009149815A Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recording device and ink recorded material 有权
标题翻译：喷墨记录墨盒，墨盒，喷墨记录方法，喷墨记录装置和墨盒记录材料
公开(公告)号：JP2009149815A
公开(公告)日：2009-07-09
申请号：JP2007330647
申请日：2007-12-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HAKIRI MINORU , NARUSE MITSURU , FUSHIMI HIROYUKI , HASEGAWA SHIN
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/328 , C09D11/38
CPC分类号： C09D11/324
摘要： PROBLEM TO BE SOLVED: To provide ink for inkjet recording giving a high image density, having excellent storage stability, improving the problem of clogging in an inkjet head, and showing excellent storage stability of a pigment dispersion liquid, and to provide an ink cartridge, an inkjet recording method, an inkjet recording device and an ink recorded material.
SOLUTION: The ink for inkjet recording comprises: a pigment dispersion liquid (A) containing at least carbon black, a dispersant, and water; and a self-dispersion type pigment dispersion liquid (B) containing carbon black having surface functional groups. The mass ratio (A
c :B
c ) of the carbon black amount (A
c ) in the pigment dispersion liquid (A) to the carbon black amount (B
c ) having surface functional groups in the self-dispersion type pigment dispersion liquid (B) ranges from 98:2 to 50:50.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供高图像浓度的喷墨记录用油墨，具有优异的储存稳定性，改善了喷墨头中堵塞的问题，并且显示出优异的颜料分散液的储存稳定性，并提供了一种墨盒，喷墨记录方法，喷墨记录装置和墨水记录材料。解决方案：用于喷墨记录的油墨包括：至少含有炭黑，分散剂和水的颜料分散液（A）和含有具有表面官能团的碳黑的自分散型颜料分散液（B）。颜料分散液（A）中的炭黑量（A c ）的质量比（A c ：B c ）在自分散型颜料分散液（B）中具有表面官能团的碳黑量（B c ）为98:2〜50:50。版权所有（C）2009，JPO＆INPIT

44. 发明专利

JP2008222981A Method for producing aqueous pigment dispersion and aqueous pigment ink, recording apparatus using the ink and recorded product 审中-公开
标题翻译：生产水性色素分散剂和水性颜料墨水的方法，使用墨水和记录产品的记录装置
公开(公告)号：JP2008222981A
公开(公告)日：2008-09-25
申请号：JP2007067654
申请日：2007-03-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HASEGAWA SHIN , HATADA SHIGEO , TANIGUCHI KEIJI , OSADA NOBUTAKA , HAKIRI MINORU , HOSOKI YASUYUKI , NATORI YUJI
IPC分类号： C09D17/00 , B41J2/01 , B41M5/00 , C09B67/20 , C09B67/46 , C09D11/00 , C09D11/52
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an aqueous pigment dispersion which combines good productivity and good storage characteristics (specifically, no change in characteristics during storage at a high temperature), which is the problem involved in conventional beads of a small diameter.
SOLUTION: A method for producing an aqueous pigment dispersion comprises the main dispersion step of dispersing an aqueous liquid mixed with a pigment composition comprising a pigment, a dispersant and water with the use of zirconia beads having a diameter of not less than 0.01 mm to not more than 0.5 mm.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种结合良好的生产率和良好的储存特性（具体地说，在高温下储存时的特性变化）的水性颜料分散体的制造方法，这是常规珠粒的问题一个小直径。水溶性颜料分散体的制造方法，其特征在于，使用直径不小于0.01的氧化锆珠粒分散含有颜料，分散剂，水的颜料组合物的水性液体的主分散工序 mm至不大于0.5mm。版权所有（C）2008，JPO＆INPIT

45. 发明专利

JP2006077057A Pigment dispersion, method for producing the same, ink for inkjet recording, ink cartridge, inkjet recording apparatus, image-forming method and image formation product 审中-公开
标题翻译：颜料分散体，其制造方法，用于喷墨记录的墨水，墨盒，喷墨记录装置，图像形成方法和图像形成产物
公开(公告)号：JP2006077057A
公开(公告)日：2006-03-23
申请号：JP2004260185
申请日：2004-09-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HOSOKI YASUYUKI , TANIGUCHI KEIJI , HAKIRI MINORU , HASEGAWA SHIN
IPC分类号： C09D17/00 , B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide a pigment dispersion which is suitably usable for aqueous pigment-based ink capable of carrying out always stable discharge in the case of variation of driving conditions and long-term use as ink for inkjet recording, and ink for inkjet recording using the pigment dispersion.
SOLUTION: The pigment dispersion is prepared by dispersing a mixture containing a pigment and the pigment dispersion having fluidity at normal temperature. The ink for inkjet recording is prepared by adding at least one kind of additive selected from water, a water-soluble organic solvent, a surfactant and an antiseptic agent to the pigment dispersion.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种颜料分散体，其可适用于在驱动条件变化和作为喷墨记录用墨水的长期使用的情况下能够执行总是稳定的放电的水性颜料基油墨，以及用于使用颜料分散体进行喷墨记录的油墨。解决方案：通过在常温下分散含有颜料和具有流动性的颜料分散体的混合物来制备颜料分散体。通过向颜料分散体中添加选自水，水溶性有机溶剂，表面活性剂和防腐剂中的至少一种添加剂来制备喷墨记录用油墨。版权所有（C）2006，JPO＆NCIPI

46. 发明专利

JP2006057032A Pigment dispersion liquid for ink-jet recording and ink-jet recording ink produced by using the same 审中-公开
标题翻译：用于喷墨记录和喷墨记录墨的颜料分散液
公开(公告)号：JP2006057032A
公开(公告)日：2006-03-02
申请号：JP2004241817
申请日：2004-08-23
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HAKIRI MINORU , TANIGUCHI KEIJI , HOSOKI YASUYUKI , HASEGAWA SHIN
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 pigment dispersion liquid for ink-jet recording having high image density and excellent ejection stability and liquid stability and provide a technique relating to a pigment-based ink-jet recording ink produced by using the dispersion liquid. SOLUTION: The pigment dispersion liquid for ink-jet recording at least contains carbon black, a dispersing agent and water. The carbon black has an average particle diameter (D50) of 50-120 nm and a PVC blackness of 10-30. The dispersing agent preferably contains at least one kind of compound expressed by general formula (1) (n is an integer of 20-300; R is a 1-20C alkyl, allyl or an aralkyl; and m is an integer of 0-7). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有高图像浓度和优异的喷射稳定性和液体稳定性的用于喷墨记录的颜料分散液，并且提供了一种与使用该分散体制备的颜料基喷墨记录油墨有关的技术液体。解决方案：用于喷墨记录的颜料分散液至少含有炭黑，分散剂和水。炭黑的平均粒径（D50）为50〜120nm，PVC黑色为10〜30。分散剂优选含有至少一种由通式（1）表示的化合物（n为20-300的整数; R为1-20C烷基，烯丙基或芳烷基; m为0-7的整数））。版权所有（C）2006，JPO＆NCIPI

47. 发明专利

JP2006022200A Pigment dispersion and ink-jet ink using the same, ink cartridge, image-formed article, and method for forming image 审中-公开
标题翻译：使用它们的颜料分散和墨水喷墨墨盒，墨盒，成像文章和形成图像的方法
公开(公告)号：JP2006022200A
公开(公告)日：2006-01-26
申请号：JP2004201393
申请日：2004-07-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TANIGUCHI KEIJI , HAKIRI MINORU , HOSOKI YASUYUKI , HASEGAWA SHIN
IPC分类号： C09D17/00 , B41J2/01 , B41M5/00 , C09B67/20 , C09B67/46 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide a pigment dispersion containing Pigment Violet 19 which can be efficiently prepared in a short time, is excellent in properties such as light resistance, color definition, liquid stability and pigment particle size-stability, and particularly can suitably be used for ink-jet ink, and to provide an ink-jet ink using the same, an ink cartridge, an image-formed article and a method for forming the image. SOLUTION: The pigment dispersion contains at least water, Pigment Violet 19, and a nonionic surfactant. The ink-jet ink is prepared by mixing the pigment dispersion with at least one additive selected from the group consisting of a water-soluble organic solvent, a surfactant, a preservative and a fungicide. The ink cartridge contains the ink. The image-formed article has a receptor in which images are formed. The method for forming an image comprises using the ink to form an image in a receptor. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决方案：为了提供能够在短时间内有效制备的颜料紫19的颜料分散体，其耐光性，颜色定义，液体稳定性和颜料粒径稳定性等特性优异，特别优选可适当地用于喷墨油墨，并提供使用该喷墨油墨的喷墨油墨，墨盒，图像形成品和用于形成图像的方法。解决方案：颜料分散体至少含有水，颜料紫19和非离子表面活性剂。通过将颜料分散体与选自水溶性有机溶剂，表面活性剂，防腐剂和杀真菌剂中的至少一种添加剂混合来制备喷墨油墨。墨盒包含墨水。图像形成品具有其中形成图像的受体。形成图像的方法包括使用墨水在受体中形成图像。版权所有（C）2006，JPO＆NCIPI

48. 发明专利

JP2014198810A インクジェット記録用インク有权
标题翻译：喷墨记录
公开(公告)号：JP2014198810A
公开(公告)日：2014-10-23
申请号：JP2013143535
申请日：2013-07-09
申请人：株式会社リコー , Ricoh Co Ltd
发明人： KOIIZUKA YUSUKE , NAGAI KAZUKIYO , NARUSE MITSURU , NONOGAKI MASAYASU , HAKIRI MINORU , MATSUYAMA AKIHIKO , KATO KEITA
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
CPC分类号： C09D11/30 , C09D11/326 , Y10T428/24901
摘要：【課題】高画像濃度が得られ、顔料の分散安定性に優れ、保存安定性に優れたインクジェット記録液の提供。【解決手段】少なくとも水、水溶性溶剤、顔料、及びホスホン酸基の塩を含む共重合体を有するインクジェット記録用インクにおいて、前記ホスホン酸基の塩を含む共重合体が(式1)で表される構造単位と、スチレン等の芳香族ビニルモノマー又は炭素数7ー22のαーオレフィンを少なくとも有することを特徴とするインクジェット記録用インク。(式1)中のM+は、半数以上または全てが、アルカリ金属の陽イオンまたは有機アンモニウムイオンであり、残りはプロトンを表す。【選択図】なし
摘要翻译：要解决的问题：提供一种喷墨记录用液体，其具有高图像密度，并且显示出优异的颜料分散稳定性和储存稳定性。溶液：提供一种喷墨记录用油墨，其至少包含水，可溶性溶剂，颜料和包含膦酸基的盐的共聚物。包含膦酸基的盐的共聚物至少包括：由式（1）表示的结构单元; 和芳族乙烯基单体如苯乙烯或具有7-22个碳原子的α-烯烃。在式（1）中，不少于一半或全部的M表示碱金属或有机铵离子的阳离子，而其余表示质子。

49. 发明专利

JP2014118518A Inkjet ink 有权
标题翻译： INKJET墨水
公开(公告)号：JP2014118518A
公开(公告)日：2014-06-30
申请号：JP2012276081
申请日：2012-12-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KATO KEITA , NARUSE MITSURU , NONOGAKI MASAYASU , HAKIRI MINORU
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
摘要： PROBLEM TO BE SOLVED: To provide an inkjet ink excellent in image density on plain paper.SOLUTION: The inkjet ink according to one embodiment of the present invention contains water, a water-soluble organic solvent, a pigment, and polymer particles. The polymer particles contain a copolymer having a constituent unit derived from a compound represented by general formula (1), a constituent unit derived from a compound represented by general formula (2), and a constituent unit derived from a compound represented by general formula (3).
摘要翻译：要解决的问题：提供在普通纸上图像浓度优异的喷墨油墨。解决方案：根据本发明一个实施方案的喷墨油墨含有水，水溶性有机溶剂，颜料和聚合物颗粒。聚合物粒子含有具有来源于通式（1）表示的化合物的结构单元，由通式（2）表示的化合物衍生的构成单元的共聚物和由通式（2）表示的化合物 3）。

50. 发明专利

JP2014058611A Ink for inkjet recording, ink cartridge, inkjet recording device, inkjet recording method, and ink recorded material 有权
标题翻译：喷墨记录墨盒，墨盒，喷墨记录装置，喷墨记录方法和墨盒记录材料
公开(公告)号：JP2014058611A
公开(公告)日：2014-04-03
申请号：JP2012203647
申请日：2012-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NARUSE MITSURU , NONOGAKI MASAYASU , HAKIRI MINORU , KATO KEITA
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00 , C08F220/34
摘要： PROBLEM TO BE SOLVED: To provide an ink for inkjet recording, and an ink cartridge, a recording device, a recording method and an ink recorded material using the ink, which show good storage stability of the ink, give a high image density on a plain paper, show good discharge stability of the ink, and prevent ink adhesion in a periphery of a nozzle.SOLUTION: The ink comprises water, a wetting agent, a colorant and polymer fine particles. The polymer fine particles comprise a copolymer of: an alkyl (meth)acrylate having 1 to 4 carbon atoms or styrene; N,N dialkylaminoethyl (meth)acrylate; and a polyethylene oxide (meth)acrylate or a monomer expressed by formula 3. In the formula, l represents an integer of 1 to 300.
摘要翻译：要解决的问题：为了提供用于喷墨记录的墨水，以及使用油墨的墨盒，记录装置，记录方法和使用墨水的墨水记录材料，其表现出良好的墨水储存稳定性，在普通纸表现出良好的油墨排出稳定性，并防止油墨在喷嘴的周围粘附。溶液：油墨包括水，润湿剂，着色剂和聚合物细颗粒。聚合物微粒包括：具有1至4个碳原子的（甲基）丙烯酸烷基酯或苯乙烯的共聚物; （甲基）丙烯酸N，N-二烷基氨基乙酯; 和聚氧乙烯（甲基）丙烯酸酯或由式3表示的单体。在该式中，l表示1〜300的整数。

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