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71. 发明专利

JP2014131855A Image formation method and image formation apparatus 有权
标题翻译：图像形成方法和图像形成装置
公开(公告)号：JP2014131855A
公开(公告)日：2014-07-17
申请号：JP2013000604
申请日：2013-01-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAGASHIMA HIDEFUMI , NANBA MICHIHIKO , NAGAI KIYOFUMI
IPC分类号： B41M5/00 , B41J2/01 , C09D11/00
CPC分类号： B41M7/00 , B41J2/01 , B41M5/0017 , B41M7/0018 , B41M7/0027 , B41M7/0036 , B41M7/02
摘要： PROBLEM TO BE SOLVED: To provide an image formation method and an image formation apparatus capable of forming an image excellent in fixability and a blocking resistance in gloss coat paper for commercial printing.SOLUTION: An image formation method comprises: a step of discharging an inkjet ink on a record medium M; and a step of applying a post-treatment liquid on a surface of the record medium with the inkjet ink applied. The inkjet ink includes a water-dispersible colorant, a humectant, a surfactant, a penetrant, and water. The post-treatment liquid includes a water-dispersible polyurethane and water, and in addition, a polyethylene wax and/or paraffin wax. The water-dispersible polyurethane has a median size of 0.01-0.10 μm.
摘要翻译：要解决的问题：提供一种图像形成方法和图像形成装置，其能够形成用于商业印刷的光泽涂布纸中的定影性和抗粘连性优异的图像。解决方案：图像形成方法包括：将喷墨油墨在记录介质M上; 以及施加喷墨油墨的将后处理液体施加到记录介质的表面上的步骤。喷墨油墨包括水分散性着色剂，湿润剂，表面活性剂，渗透剂和水。后处理液体包括水分散性聚氨酯和水，并且还包括聚乙烯蜡和/或石蜡。水分散性聚氨酯的中值粒径为0.01-0.10μm。

72. 发明专利

JP2014094998A Inkjet recording method 审中-公开
标题翻译：喷墨记录方法
公开(公告)号：JP2014094998A
公开(公告)日：2014-05-22
申请号：JP2012245817
申请日：2012-11-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJII ICHIRO , GOTO HIROSHI , NAGAI KIYOFUMI , FUJII HIDETOSHI , AKIYAMA KOTA
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording method capable of reducing a curl amount immediately after printing even on plain paper having different paper-making conditions or plan paper having same brand but a variation with paper-making.SOLUTION: There is provided a method of recording on recording media by using an ink for inkjet recording containing water, water-soluble organic solvent, surfactant and coloring agent, the recording media are plain paper, the water-soluble organic solvent contains at least one kind of each compound of (A) to (C). (A) Polyalcohol having equilibrium moisture amount at temperature of 23°C and humidity of 80% of 30 mass% or more. (B) An amide compound represented by the general formula (1). (C) Any compound represented by the general formulae (2) to (4) or a compound of the formula (5).
摘要翻译：要解决的问题：提供一种喷墨记录方法，即使在具有不同造纸条件的普通纸或具有相同品牌但具有造纸的变化的平面纸上，即使在打印后立即减少卷曲量。解决方案：提供一种通过使用含有水，水溶性有机溶剂，表面活性剂和着色剂的喷墨记录用油墨在记录介质上进行记录的方法，记录介质为普通纸，水溶性有机溶剂含有至少一种各自的（ A）至（C）。（A）在温度23℃，湿度80％以上30质量％以上的平衡水分量的多元醇。（B）由通式（1）表示的酰胺化合物。（C）由通式（2）〜（4）表示的化合物或式（5）的化合物。

73. 发明专利

JP2014058054A Pretreatment liquid for inkjet printing, image-forming method and inkjet recording apparatus 审中-公开
标题翻译：喷墨打印，图像形成方法和喷墨记录装置的预处理液
公开(公告)号：JP2014058054A
公开(公告)日：2014-04-03
申请号：JP2012202882
申请日：2012-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOKOHAMA YUKI , KOJIMA MARIKO , GOTO HIROSHI , NAGAI KIYOFUMI
IPC分类号： B41M5/00
摘要： PROBLEM TO BE SOLVED: To provide a pretreatment liquid for inkjet printing, which adequately reduces character blurring when a character is printed on a recording medium by using an ink for inkjet recording, and has adequate drying properties.SOLUTION: The pretreatment liquid for inkjet printing contains a water-soluble aliphatic organic acid, a water-soluble organic monoamine compound, a near infrared ray absorbent having a maximum absorption wavelength at 800-1,200 nm, a water-soluble organic solvent and water. The pretreatment liquid for inkjet printing contains 1.0 mol or more of the water-soluble organic monoamine compound with respect to 1 mol of an acid radical contained in the water-soluble aliphatic organic acid.
摘要翻译：要解决的问题：提供一种用于喷墨印刷的预处理液体，其通过使用用于喷墨记录的油墨将字符印刷在记录介质上时可以充分减少字符模糊，并且具有足够的干燥性能。解决方案：喷墨印刷用预处理液含有水溶性脂肪族有机酸，水溶性有机单胺化合物，800〜1200nm的最大吸收波长的近红外线吸收剂，水溶性有机溶剂和水。喷墨印刷用预处理液相对于水溶性脂肪族有机酸中含有的1摩尔酸基含有1.0摩尔以上的水溶性有机单胺化合物。

74. 发明专利

JP2010202845A Ink for inkjet recording, ink cartridge, inkjet recording apparatus and ink recorded matter 有权
标题翻译：喷墨记录墨盒，墨盒，喷墨记录装置和墨盒记录事项
公开(公告)号：JP2010202845A
公开(公告)日：2010-09-16
申请号：JP2009053151
申请日：2009-03-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOJIMA MARIKO , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41M5/00 , C09B48/00 , C09B67/20 , C09B69/10 , C09C3/10 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
CPC分类号： C09B68/20 , B82Y30/00 , C01P2004/64 , C01P2006/12 , C01P2006/19 , C09B67/0013 , C09B67/0066 , C09B68/26 , C09B68/443 , C09B68/463 , C09C1/565 , C09C3/10 , C09D11/324
摘要： PROBLEM TO BE SOLVED: To provide ink for inkjet recording, which does not stick to a nozzle plate though the ink for inkjet recording contains resin fine particles.
SOLUTION: The ink for inkjet recording contains water, a water-soluble organic solvent, a pigment and the resin fine particles at the least. A polymer chain containing the monomer shown by chemical formula (1) (wherein R1 is H or CH
3 ; n is the number of carbon atoms) as a constituent unit is grafted to the surface of the pigment.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供喷墨记录用的油墨，其通过喷墨记录用墨水不会粘附在喷嘴板上，其中含有树脂微粒。解决方案：用于喷墨记录的油墨至少含有水，水溶性有机溶剂，颜料和树脂微粒。含有由化学式（1）表示的单体（其中R 1为H或CH 3）的聚合物链，n为碳原子数）作为构成单元被接枝到颜料的表面。版权所有（C）2010，JPO＆INPIT

75. 发明专利

JP2010163533A Ink for inkjet recording, ink cartridge, recording method, and recorded matter 有权
标题翻译：墨水记录墨盒，墨盒，记录方法和记录事项
公开(公告)号：JP2010163533A
公开(公告)日：2010-07-29
申请号：JP2009006594
申请日：2009-01-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MATSUYAMA AKIHIKO , FUJII ICHIRO , YOKOHAMA YUKI , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/30 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide ink for inkjet recording having high ejection reliability, significantly minimizing color bleeding, and having excellent color development even on plain paper.
SOLUTION: The ink for inkjet recording includes a colorant, surfactants A, B, and C, a water-soluble organic solvent, and water; wherein an example of the surfactant A is a fluorine-based compound of formula (1), the surfactant B is a polyether-based compound, and the surfactant C is a polyether-modified silicone compound. In the formula, R
1 is hydrogen, alkyl, or acyl; Rf is -CF
3 or -CF
2 CF
3 ; and m, n, and p are natural numbers.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有高喷射可靠性的喷墨记录用墨水，显着地最小化颜色渗色，并且即使在普通纸上也具有优异的显色性。解决方案：用于喷墨记录的油墨包括着色剂，表面活性剂A，B和C，水溶性有机溶剂和水; 其中表面活性剂A的实例是式（1）的氟基化合物，表面活性剂B是聚醚类化合物，表面活性剂C是聚醚改性的硅氧烷化合物。在该式中，R 1是氢，烷基或酰基; Rf是-CF 3 SB 3或-CF 3 SB 3; 而m，n和p是自然数。版权所有（C）2010，JPO＆INPIT

76. 发明专利

JP2009233936A Inkjet recording medium 审中-公开
标题翻译：喷墨记录介质
公开(公告)号：JP2009233936A
公开(公告)日：2009-10-15
申请号：JP2008080694
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： ONO ATSUSHI , 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 ink recording medium which enables a printed material to obtain a texture of offset printing coating paper and to have a high water resistant ink receiving layer and a good quality without spur traces as well. SOLUTION: The inkjet recording medium has, on one side or both sides of the base paper thereof, the base paper consisting mainly of wood pulp, an ink receiving layer mainly comprised of kaolin and acetoacetyl polyvinyl alcohol, wherein the ratio of the acetoacetyl polyvinyl alcohol to the total 100 parts by mass of all the inorganic dye contained in the ink receiving layer occupies 5 to 10 prts. by mass. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种油墨记录介质，其能够使印刷材料获得胶版印刷涂布纸的纹理，并且具有高耐水性油墨接收层和良好的质量，而没有杂散痕迹。解决方案：喷墨记录介质在其原纸的一侧或两侧上具有主要由木浆组成的原纸，主要由高岭土和乙酰乙酰基聚乙烯醇组成的油墨接收层，其中，乙酰乙酰基聚乙烯醇相对于油墨接受层中含有的全部无机染料总共为100质量份，为5〜10个。的质量。版权所有（C）2010，JPO＆INPIT

77. 发明专利

JP2009166387A Image formation method and image formation recorded matter 审中-公开
标题翻译：图像形成方法和图像形成记录事项
公开(公告)号：JP2009166387A
公开(公告)日：2009-07-30
申请号：JP2008008023
申请日：2008-01-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： GOTO HIROSHI , HABASHI HISAFUMI , NAGAI KIYOFUMI
IPC分类号： B41M5/00 , B41J2/01
CPC分类号： B41M5/0017 , B41J2/2107 , B41J11/0015 , B41M5/0011 , B41M5/0035 , C09D11/005 , C09D11/322 , C09D11/54
摘要： PROBLEM TO BE SOLVED: To provide an image formation method which enables image formation on a regular paper surface not having a coating layer by a preparatory treatment and ink-jet recording ink, and which is thereby excellent in ink image quality (image concentration, chroma saturation, collar bleed, character bleeding, and white dots) and excellent in smear fixing in an image section, and to provide an image formation recorded matter. SOLUTION: The image formation method includes: the application process which applies a preparatory treatment liquid at least containing a cation high-molecular weight compound, a surfactant (A), and water on a regular paper surface not having coating layer; and the image formation process which discharges an ink-jet recording ink at least containing a coloring agent dispersed in water, a water soluble organic solvent, a surfactant (B), a penetrating agent, and water as a principal component as a liquid droplet following an image signal, makes the inkjet recording ink adhere to recording material which has been applied by the preparatory treatment liquid, and forms image, wherein the preparatory treatment liquid contains a water soluble organic acid and has 20 to 30 mN/m of static surface tension. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过预处理和喷墨记录油墨在不具有涂层的普通纸张表面上形成图像的图像形成方法，从而油墨图像质量优异（图像浓度，色度饱和度，衣领渗血，字符渗色和白点），以及在图像部分中的涂片固定性优异，并提供图像形成记录物质。图像形成方法包括：在不具有涂层的普通纸表面上施加至少含有阳离子高分子化合物，表面活性剂（A）和水的预备处理液的涂布方法; 以及图像形成处理，其将至少含有分散在水中的着色剂，水溶性有机溶剂，表面活性剂（B），渗透剂和水作为主要成分的喷墨记录油墨排出，作为液滴跟随图像信号使得喷墨记录油墨粘附到由预处理液体施加的记录材料上，并形成图像，其中预处理液含有水溶性有机酸，并具有20至30mN / m的静态表面张力。版权所有（C）2009，JPO＆INPIT

78. 发明专利

JP2009084548A Ink for recording, ink cartridge, ink-jet recording method, ink-jet recording apparatus and ink recorded matter 有权
标题翻译：记录墨盒，墨盒，墨盒记录方法，墨盒记录装置和墨盒记录物
公开(公告)号：JP2009084548A
公开(公告)日：2009-04-23
申请号：JP2008084187
申请日：2008-03-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAGASHIMA HIDEFUMI , NAGAI KIYOFUMI
IPC分类号： B41J2/01 , B41M5/00 , B82Y30/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide ink for recording which is excellent in image quality and high-speed printing correspondence to plain paper, which has good storage stability and good ejection stability and which hardly produces strike through and cockling. SOLUTION: The ink for recording contains at least water, a water-soluble organic solvent, a surfactant and a colorant. The colorant contains an aqueous dispersing element of a water-insoluble vinyl polymer particle containing carbon black and a volume mean particle diameter of the colorant is 40 to 100 nm. Viscosity (A) of the ink for recording when subjected to drying treatment for 5 minutes on a plate heated at 40°C and then to shearing at 100/s shear speed and viscosity (B) of the ink for recording when subjected to shearing at 100/s shear speed without drying treatment satisfy formula: A/B≤3 and a ratio (C/D) of viscosity (C) of the ink for recording when mass thereof becomes 70% of initial mass by drying to viscosity (D) thereof when mass thereof becomes 60% of initial mass by drying is 1/4 or more. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的图像质量和与普通纸的高速打印对应的记录用油墨，其具有良好的储存稳定性和良好的喷射稳定性，并且几乎不产生冲击和起皱。解决方案：用于记录的油墨至少含有水，水溶性有机溶剂，表面活性剂和着色剂。着色剂含有含有炭黑的水不溶性乙烯基聚合物颗粒的水分散体，着色剂的体积平均粒径为40〜100nm。在加热至40℃的板上进行5分钟干燥处理后的记录用油墨的粘度（A），然后在剪切速度为100 / s的剪切速度下进行剪切，并进行剪切的粘度（B） 100 / s剪切速度无干燥处理满足公式：A /B≤3，当其通过干燥至粘度（D）时其初始质量为70％时的记录用油墨的粘度（C）比（C / D）当其通过干燥成为初始质量的60％时为1/4以上。版权所有（C）2009，JPO＆INPIT

79. 发明专利

JP2009040858A Ink set, and ink media set, inkjet recording method and inkjet recording apparatus 有权
标题翻译：墨盒，墨盒，喷墨记录方法和喷墨记录装置
公开(公告)号：JP2009040858A
公开(公告)日：2009-02-26
申请号：JP2007206485
申请日：2007-08-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARIGA TAMOTSU , NAGAI KIYOFUMI , GOTO HIROSHI , MATSUYAMA AKIHIKO , KOYANO MASAYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an ink set in which the equilibrium concerning moisture is completely coincident in the whole humidity range, interruption of ink jetting from a nozzle due to the clogging thereof etc., and the curved jetting of ink are prevented, and which has high reliability and hardly causes clogging, an ink media set, an inkjet recording method and an inkjet recording apparatus. SOLUTION: The ink set is formed by combining at least two kinds of ink containing at least a coloring agent, a wetting agent and a resin, wherein each ink in the ink set contains at least one different kind of the wetting agent and the ratio of the difference between the maximum quantity of the whole wetting agent and the minimum quantity of the whole wetting agent to the maximum quantity and the ratio of the difference between the maximum content of the moisture remaining in the equilibrium under a temperature of 23°C and humidity of 50% RH and the minimum content of the moisture to the maximum content are each equal to or below 5%. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在整个湿度范围内与湿气的平衡完全一致的墨水组，由于其堵塞等引起的喷嘴喷墨的中断和墨水的弯曲喷射，油墨介质组，喷墨记录方法和喷墨记录装置，其可靠性高，难以堵塞。解决方案：通过组合至少两种至少含有着色剂，润湿剂和树脂的油墨形成油墨组，其中油墨组中的每种油墨含有至少一种不同种类的润湿剂和整个润湿剂的最大量与全部润湿剂的最小量之间的差异与最大量的比值以及在23℃的温度下在平衡中剩余的水分的最大含量之间的比率 C和50％RH的湿度，并且最大含量的最低含水量等于或低于5％。版权所有（C）2009，JPO＆INPIT

80. 发明专利

JP2008260926A Ink set, ink cartridge, inkjet recording method, inkjet recording apparatus 有权
标题翻译：墨盒，墨盒，喷墨记录方法，喷墨记录装置
公开(公告)号：JP2008260926A
公开(公告)日：2008-10-30
申请号：JP2008070934
申请日：2008-03-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOYANO MASAYUKI , GOTO HIROSHI , ARIGA TAMOTSU , NAGAI KIYOFUMI , TOKUNO TOSHIRO
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/326 , C09D11/328 , C09D11/38 , C09D11/40
CPC分类号： B41J2/14129 , B41J2/14274 , B41J2/14314 , B41J2002/14379 , B41M5/0023 , C09D11/32 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To provide an ink set used for an ink jet recording method for forming an image by superposing at least two aqueous inks having different hues to form a color image, which gives a brilliant color image having good resolution without exudation at the boundary between two colors of the color image printed by high speed printing even onto a plain paper having extremely bad ink absorbency or a coating medium having no aqueous ink receptive layer, and a method, an ink cartridge and an apparatus for performing inkjet recording using the ink set. SOLUTION: An ink set used for an ink jet recording method for forming an image by superposing at least two aqueous inks A, B having different hues to form a color image is characterized in that the one ink A of the two inks A, B contains a water-dispersive colorant A1 having no surfactant-type dispersant and an anion compound A2, and the other ink B contains a water-dispersive colorant B1 having a surfactant-type dispersant. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于通过重叠具有不同色调的至少两种水性油墨来形成图像的喷墨记录方法的油墨组，以形成彩色图像，其给出了具有良好分辨率的辉煌彩色图像而没有在通过高速印刷印刷的彩色图像的两种颜色之间的边界处渗透到具有非常差的吸墨性的普通纸或不具有含水墨接受层的涂布介质上的渗色，以及用于执行喷墨的方法，墨盒和装置使用墨水记录。解决方案：用于通过叠加至少两种具有不同色调的水性油墨A，B以形成彩色图像来形成图像的喷墨记录方法的油墨组的特征在于，两种油墨A的一种油墨A B含有不含表面活性剂型分散剂和阴离子化合物A2的水分散性着色剂A1，另一种墨水B含有具有表面活性剂型分散剂的水分散性着色剂B1。版权所有（C）2009，JPO＆INPIT

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