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51. 发明公开

EP1926785A1 INK FOR RECORDING, AND INK CARTRIDGE, INK RECORDED MATTER, INKJET RECORDING APPARATUS AND INKJET RECORDING METHOD USING THE SAME 有权
标题翻译：记录油墨，并用它MACH墨盒，记录，喷墨记录装置，和喷墨记录方法
公开(公告)号：EP1926785A1
公开(公告)日：2008-06-04
申请号：EP06796839.6
申请日：2006-08-22
申请人： Ricoh Company, Ltd.
发明人： HABASHI, Hisashi , NAMBA, Michihiko , KOJIMA, Mariko , GOTOH, Akihiko , ARUGA, Tamotsu , NAGAI, Kiyofumi
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
CPC分类号： C09D11/322 , C09D11/30 , Y10T428/24802 , Y10T428/24901 , Y10T428/31504
摘要： There is provided an ink for recording, which contains: a coloring agent; a water-dispersible resin; a wetting agent; a surfactant; and water, wherein a total solid content of the coloring agent and the water-dispersible resin is 10% by mass to 30% with respect to a total mass of the ink, a ratio B/C is 0.1 to 1.6 where B is a solid content of the coloring agent in the ink, and C is a solid content of the water-dispersible resin in the ink, a viscosity of the ink is 5 mPa·s to 20 mPa·s at 25°C, and a surface tension of the ink is 35 mN/m or less.

52. 发明公开

EP1794245A1 RECORDING INK, INK CARTRIDGE, INK RECORD, INKJET RECORDING APPARATUS, AND INKJET RECORDING METHOD 有权
标题翻译：记录墨水，墨水盒，墨水记录，喷墨记录装置和喷墨记录方法
公开(公告)号：EP1794245A1
公开(公告)日：2007-06-13
申请号：EP05785838.3
申请日：2005-09-16
申请人： Ricoh Company, Ltd.
发明人： KOJIMA, Mariko , INOUE, Tomohiro , GOTOH, Akihiko , NAMBA, Michihiko , HABASHI, Hisashi , BANNAI, Akiko , NAGAI, Kiyofumi
IPC分类号： C09D11/00 , B41J2/01 , B41J2/175 , B41M5/00
CPC分类号： C09D11/30 , Y10T428/24802
摘要： The object of the invention to provide a recording ink with excellent discharge stability and storage stability, which rapidly penetrates into a recording medium and forms a coating, and which will never generate smearing upon high-speed printing or double-sided printing, and which excels in marker resistance, and which enables high quality image recording with less bleeding, and the ink cartridge, the ink record, the inkjet recording apparatus, and the inkjet recording method using the recording ink. The recording ink containing at least water, a colorant, a resin fine-particle, a water-soluble organic solvent and a penetrant, in which the penetrant is a diol compound whose carbon number is 7 to 11 and the resin fine-particle is a silicone modified acrylic resin not containing a hydrolyzable silyl group.
摘要翻译：本发明的目的是提供一种具有优异的排出稳定性和储存稳定性的记录油墨，它能迅速渗透到记录介质中并形成涂层，并且在高速打印或双面打印时不会产生拖尾现象，并且能够以较少的渗色实现高质量的图像记录，以及使用该记录油墨的墨盒，油墨记录，喷墨记录装置和喷墨记录方法。至少含有水，着色剂，树脂微粒，水溶性有机溶剂和渗透剂的记录油墨，其中渗透剂是碳数为7至11的二醇化合物，并且树脂细颗粒为不含可水解甲硅烷基的硅酮改性丙烯酸树脂。

53. 发明公开

EP1664215A1 RECORDING INK FOR INK-JET RECORDING APPARATUS, AND, INK CARTRIDGE, INK-JET RECORDING APPARATUS, INK-JET RECORDING PROCESS,AND RECORDED MATTER 有权
标题翻译：喷墨用油墨记录装置和墨盒，喷墨记录装置，喷墨记录方法和记录
公开(公告)号：EP1664215A1
公开(公告)日：2006-06-07
申请号：EP04773442.1
申请日：2004-09-21
申请人： Ricoh Company, Ltd.
发明人： NAGAI, Kiyofumi , KOJIMA, Mariko , GOTOH, Akihiko , BANNAI, Akiko
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
CPC分类号： C09D11/30 , C09D11/40
摘要： Disclosed is a recording ink for ink-jet recording which contains a colorant, water, a humectant, a surfactant, and a wetting agent, wherein the recoding ink is applied to ink-jet recording apparatuses capable of recording on a second recording side of a recording medium following recording on a first recording side of the recording medium, and the infiltrating period of the recording ink into the first recording side of the recording medium is 5 seconds or less. Also, an ink cartridge, an ink-jet recording apparatus, an ink-jet recording process, and a recorded matter are disclosed that utilize the recording ink respectively.

54. 发明公开

EP1639050A1 INKJET RECORDING INK, RECORDING PROCESS AND RECORDING APPARATUS 有权
标题翻译：喷墨墨，记录方法和记录装置
公开(公告)号：EP1639050A1
公开(公告)日：2006-03-29
申请号：EP04746965.5
申请日：2004-06-29
申请人： Ricoh Company, Ltd.
发明人： BANNAI, Akiko , NAGAI, Kiyofumi , GOTOH, Akihiko , KOJIMA, Mariko , NAMBA, Michihiko , INOUE, Tomohiro
IPC分类号： C09D11/00 , B41J2/01 , B41M5/00
CPC分类号： C09D11/32 , B41J2/14274 , B41J2/1612 , B41J2/1623 , B41J2/1626 , B41J2/1632 , C09D11/40
摘要： A recording ink comprising a colorant dispersible in water, a humectant, a surfactant, and a wetting agent, wherein the rate of viscosity increase associated with evaporation of moisture in the recording ink is 5.0 mPaos/% or less while the evaporated moisture content is less than 30 % by weight based on the whole weight of the recording ink, the rate of viscosity increase associated with evaporation of moisture exceeds 50 mPaos/% while the evaporated moisture content is 30 to 45 % by weight, and the average particle size of the colorant in the recording ink is less than five times the average particle size of the colorant in the initial recording ink, and is 0.8 ƒÊm or less, at the stage of the recording ink when the rate of viscosity increase amounts to 50 mPaos/%, wherein the rate of viscosity increase associated with evaporation of moisture (mPaos/%) is defined as the increment of viscosity (mPaos) versus the increment of evaporated moisture content (%).

55. 发明公开

EP1524116A1 INK-JET RECORDING APPARATUS AND INK-JET RECORDING METHOD 有权
标题翻译： TINTENSTRAHLAUFZEICHNUNGSGERÄTUND TINTENSTRAHLAUFZEICHNUNGSVERFAHREN
公开(公告)号：EP1524116A1
公开(公告)日：2005-04-20
申请号：EP03792622.7
申请日：2003-06-24
申请人： Ricoh Company, Ltd.
发明人： MOROHOSHI, Naoya , GOTOH, Akihiko
IPC分类号： B41J2/01 , B41M5/00
CPC分类号： B41M5/0023 , B41J2/2107 , C09D11/32 , C09D11/324 , C09D11/40
摘要： An ink-jet recording apparatus and method for recording a high-definition image with high image rigidity and with proper printing density on any one of various types of recording medium. The ink-jet recording apparatus has recording controlling unit that changes the type of inks to eject it, by using an ink set. The ink set includes a black ink containing a self-dispersion pigment and color inks composed of at least cyan, magenta, and yellow inks and containing polymer emulsion. The polymer emulsion is such that a water-insoluble or water-unlikely-soluble colorant is dispersed in a polymer particle dispersion. The type of inks is changed, considering the properties of the black ink and the color inks. In the method, the inks used are changed in accordance with the type of the recording medium and the printing mode.
摘要翻译：一种喷墨记录装置和方法，用于在各种类型的记录介质中的任何一种上记录具有高图像刚度和适当打印密度的高分辨率图像。喷墨记录装置具有通过使用墨水组来改变要喷射的墨水的类型的记录控制单元。油墨组包括含有自分散颜料的黑色油墨和由至少青色，品红色和黄色油墨组成并含有聚合物乳液的彩色油墨。聚合物乳液使得水不溶性或水不易溶解的着色剂分散在聚合物颗粒分散体中。考虑到黑色油墨和彩色油墨的性质，改变了油墨的类型。在该方法中，使用的油墨根据记录介质的类型和打印模式而改变。

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