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    • 2. 发明专利
    • Inkjet recording method, inkjet recording device, and ink recorded matter
    • 喷墨记录方法,喷墨记录装置和墨记录物
    • JP2013256108A
    • 2013-12-26
    • JP2013098081
    • 2013-05-08
    • Ricoh Co Ltd株式会社リコー
    • MASUDA KIMINORIKOJIMA MARIKOMAEKAWA TSUTOMUSAKAUCHI AKIKOTAMAI TAKASHI
    • B41M5/00B41J2/01B41M5/50B41M5/52C09D11/00
    • C09D11/38B41J2/2107C09D11/322C09D11/40
    • PROBLEM TO BE SOLVED: To provide an inkjet recording method which can satisfy both of lowness of static surface tension and highness of dynamic surface tension in ink, can satisfy both of superior permeability and ejection stability of ink, and can provide a high quality image suppressed in bleeding with respect to a medium for a concealment postcard.SOLUTION: An inkjet recording method includes a jetting process in which an stimulus is applied to an inkjet recording ink and the inkjet recording ink is jetted to record an image on a recording medium, wherein the inkjet recording ink includes water, a water-soluble organic solvent, a colorant and a surfactant, and has a surface life time when measured by a predetermined maximum bubble pressure method and a predetermined static surface tension, the recording medium is a medium for a concealment postcard, which has a support medium and a recording layer that is disposed on at least one side surface of the support medium and contains a predetermined amount of cationic resin and which is stuck to each other via an adhesive allowing surfaces of the recording layers after recording information on the surfaces of the recording layers to be peeled from each other, and the surface of the recording layer has a predetermined 10-sec Cobb size degree.
    • 要解决的问题:为了提供能够满足静态表面张力的低度和油墨中动态表面张力的高度的喷墨记录方法,可以同时满足油墨的优异的渗透性和喷射稳定性,并且可以提供高质量的图像抑制 相对于隐形明信片的介质渗出。解决方案:喷墨记录方法包括喷射过程,其中刺激被施加到喷墨记录油墨,喷墨记录油墨被喷射以在记录介质上记录图像,其中 喷墨记录油墨包括水,水溶性有机溶剂,着色剂和表面活性剂,并且在通过预定的最大气泡压力法和预定的静态表面张力测量时具有表面寿命的时间,记录介质是用于 隐形明信片,其具有支撑介质和设置在支撑介质的至少一个侧表面上的记录层,并且包含预 确定量的阳离子树脂,并通过粘合剂彼此粘合,允许在记录层表面上记录信息之后记录层的表面彼此剥离,并且记录层的表面具有预定的10- 秒Cobb尺寸度。
    • 4. 发明专利
    • インクジェット記録方法、インクジェット記録装置、記録物
    • 喷墨记录方法,喷墨记录装置和记录材料
    • JP2014195986A
    • 2014-10-16
    • JP2013227475
    • 2013-10-31
    • 株式会社リコーRicoh Co Ltd
    • MASUDA KIMINORIKOJIMA MARIKOSAKAUCHI AKIKOTAMAI TAKASHIKODA TOMOHIKOKITAOKA NAOKO
    • B41J2/045B41J2/01B41J2/055B41M5/00
    • B41J2/04581B41J2/04588B41J2/04595C09D11/322
    • 【課題】水性インクの動的表面張力と静的表面張力の差が大きくても安定して吐出させることができ、かつ、良好な画像を得ることができるインクジェット記録方法を提供する。【解決手段】ノズル、圧力室、圧力発生手段を有する記録ヘッドと、駆動信号発生手段とを有するインクジェット記録装置を使用し、次の(1)及び(2)の要件を満たす。(1)25℃において、最大泡圧法による表面寿命が15msの時の動的表面張力が静的表面張力よりも10mN/m以上高く、同じく表面寿命が1500msの時の動的表面張力が静的表面張力よりも5mN/m以上高い水性インクを用いる。(2)駆動信号が、1印字周期内に引き込みパルスを有し、該引き込みパルスにより、ノズルにおける水性インクのメニスカスを、2段階でノズル内に引き込む。【選択図】図6
    • 要解决的问题:提供即使在水性墨水的动态表面张力和静态表面张力之间存在较大差异也能够稳定地喷射水性墨水的喷墨记录方法,并且还可以获得良好的图像。解决方案:喷墨记录 方法使用的喷墨记录装置包括:设置有喷嘴,压力室和压力产生装置的记录头; 和驱动信号发生装置。 该方法满足以下要求(1)和(2):(1)当在25℃下测量的表面寿命为a时,使用动态表面张力大于10mN / m或更高于静态表面张力的水性油墨 最大发泡压力法为15 ms,动态表面张力比最大发泡压力法测得的表面寿命为1500 ms时静态表面张力大5 mN / m以上,(2)驱动信号有拉丝脉冲 在一个打印周期中,喷嘴中的水性墨水的弯液面通过拉伸脉冲以两个阶段被吸入喷嘴。
    • 7. 发明专利
    • Inkjet recording apparatus
    • 喷墨记录装置
    • JP2012096369A
    • 2012-05-24
    • JP2010243310
    • 2010-10-29
    • Ricoh Co Ltd株式会社リコー
    • FUJII ICHIRONANBA MICHIHIKOTAMAI TAKASHISAKAUCHI AKIKOGOTO AKIHIKONAGAI KIYOFUMI
    • B41J2/18B41J2/185
    • PROBLEM TO BE SOLVED: To provide an inkjet recording apparatus, which is capable of maintaining the absorption performance of a waste liquid absorption member in an ink recovery unit for a long term, even under various environmental conditions, and capable of efficiently receiving the waste liquid, without depositing the waste liquid in high volume, in an ink recovery unit.SOLUTION: The inkjet recording apparatus has: a recording head for ejecting ink on a recording medium to form an image; and an ink recovery unit 1 for maintenance of the recording head, which does not contribute to image formation and for destination of ink discharge. In the apparatus, the ink contains at least water, a colorant and a water-soluble organic solvent. In the ink recovery unit, a water-soluble organic solvent is contained which has water absorbability higher than that of the water-soluble organic solvent in the ink.
    • 解决的问题:提供一种喷墨记录装置,即使在各种环境条件下,即使在各种环境条件下也能够将墨水回收装置中的废液吸收部件的吸收性能保持在一起,并且能够有效地接收 废液,而不是大量地沉积废液,在油墨回收单元中。 解决方案:喷墨记录装置具有:用于在记录介质上喷射墨以形成图像的记录头; 以及用于维护记录头的墨水回收单元1,其对图像形成和墨水排出的目的地无贡献。 在该装置中,油墨至少含有水,着色剂和水溶性有机溶剂。 在油墨回收单元中,含有水溶性有机溶剂,其吸水性高于油墨中的水溶性有机溶剂的吸水性。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Ink jet pretreatment liquid and ink jet recording device
    • 喷墨喷嘴预处理液体和喷墨记录装置
    • JP2011251436A
    • 2011-12-15
    • JP2010125538
    • 2010-06-01
    • Ricoh Co Ltd株式会社リコー
    • TAMAI TAKASHINANBA MICHIHIKOFUJII HIDETOSHIGOTO AKIHIKO
    • B41M5/00B41J2/01
    • PROBLEM TO BE SOLVED: To improve permeability and apparent drying characteristics beyond expectation when a specific fluorochemical surfactant is selected and added to a pretreatment liquid, to improve wettability with respect to a roller, to suppress the generation of air bubbles, to newly find that the pretreatment liquid is applied uniformly and color unevenness and density unevenness are suppressed, and to make accomplishment based on the finding so as to apply the pretreatment liquid uniformly and to suppress color unevenness and density unevenness.SOLUTION: This ink jet pretreatment liquid includes at least water, a water-soluble organic solvent, a water-soluble coagulant and the fluorochemical surfactant. In the ink jet pretreatment liquid, the pretreatment liquid includes the fluorochemical surfactant having a structural formula (I) (where Rf indicates CF, CFCF, (CF)F or (CF)F and X and Y are integer numbers satisfying X=1-4, Y=1-4 and x+Y=4 or 5).
    • 要解决的问题:为了提高特定的含氟表面活性剂,特别是含氟表面活性剂被选择并添加到预处理液中时,提高渗透性和表观干燥特性,提高相对于辊的润湿性,抑制气泡的产生, 发现预处理液体均匀地施加,并且抑制了颜色不均匀性和浓度不均匀性,并且基于该发现来实现,以均匀地施加预处理液体并抑制颜色不均匀性和浓度不均匀性。 解决方案:该喷墨预处理液体至少包括水,水溶性有机溶剂,水溶性凝结剂和含氟表面活性剂。 在喷墨预处理液中,预处理液含有具有结构式(I)的氟化物表面活性剂(其中,Rf表示CF 3 ,CF 2 CF 3 ,(CF 2 3 F或 (CF 2 4 F,X和Y为满足X = 1-4,Y = 1-4的整数, x + Y = 4或5)。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Method for producing inkjet ink
    • 生产喷墨墨水的方法
    • JP2010215801A
    • 2010-09-30
    • JP2009064838
    • 2009-03-17
    • Ricoh Co Ltd株式会社リコー
    • TAMAI TAKASHINANBA MICHIHIKOSAKAUCHI AKIKOGOTO AKIHIKO
    • B41J2/01B41J2/19B41M5/00C09D11/00C09D11/322C09D11/326C09D11/328C09D11/38
    • PROBLEM TO BE SOLVED: To provide a method for producing an inkjet ink containing a silicone-based anti-foaming agent of an expected amount for exhibiting a defoaming effect.
      SOLUTION: This method for producing the inkjet ink containing at least coloring matter, water, an organic solvent and a silicone-based defoaming agent is characterized by producing a pre-ink by mixing and agitating the ink components at least containing the whole of the organic solvent in the ink composition except for the silicone-based defoaming agent, and then adding the silicone-based de-foaming agent, or mixing and agitating residual ink components not mixed in the pre-ink and the silicone-based defoaming agent to the pre-ink, and then filtering.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种含有预期用量的具有消泡效果的硅氧烷类消泡剂的喷墨油墨的制造方法。 解决方案:用于生产至少含有色素,水,有机溶剂和硅氧烷基消泡剂的喷墨油墨的方法的特征在于通过混合和搅拌至少含有整体的油墨组分来生产预油墨 除了硅氧烷类消泡剂之外的油墨组合物中的有机溶剂,然后加入硅氧烷类消泡剂,或混合搅拌未混合在预墨水中的残留油墨组分和硅氧烷基消泡剂 到预墨水,然后过滤。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Cleaning filling liquid, cartridge containing the cleaning filling liquid, and cleaning, filling, and storing method for inkjet recording device using the cleaning filling liquid
    • 清洁填充液体,包含清洁填充液体的清洁器,以及使用清洁填充液体进行喷墨记录装置的清洁,填充和存储方法
    • JP2013158918A
    • 2013-08-19
    • JP2012019920
    • 2012-02-01
    • Ricoh Co Ltd株式会社リコー
    • TAMAI TAKASHIINOUE TOMOHIROGOTO HIROSHINANBA MICHIHIKOGOTO AKIHIKONAGAI KIYOFUMI
    • B41J2/165
    • C11D7/3263B08B9/0321B41J2/17559B41J2/20B41J29/17C09D9/00C11D3/32Y10T137/0318
    • PROBLEM TO BE SOLVED: To provide a cleaning filling liquid that has: the function as a cleaning liquid capable of sufficiently cleaning a liquid flow path; and the function as a filling liquid preventing cleaning residues of ink used for print inspection from aggregating, and causing neither corrosion into a liquid flow path member nor problems in ink filling.SOLUTION: (1) There are provided an inkjet recording device and a cleaning filling liquid for a liquid flow path of ink cartridge used for the device, and the cleaning filling liquid contains: at least water; and 10.0 to 45.0 mass% of whole amount of the cleaning filling liquid of N,N-dimethyl-β-methoxypropionamide. (2) Further, there is provided the cleaning filling liquid (1) containing polyether modified silicone oil. (3) Furthermore, there is provided a cleaning, filling, and storing method for the inkjet recording device, filled with the cleaning filling liquid and storing the cleaning filling liquid after cleaning the liquid flow path by dipping with the cleaning filling liquid.
    • 要解决的问题:提供一种清洗填充液,其具有:能够充分清洁液体流路的清洗液的功能; 并且作为防止清洗用于印刷检查的墨水的残留物的填充液体的功能,并且不会对液体流道部件造成腐蚀,也不会造成墨水填充问题。(1)提供喷墨记录装置和清洁 填充用于装置的墨盒的液体流路的液体,并且清洁填充液体至少包含水; 和10.0〜45.0质量%的N,N-二甲基-α-甲氧基丙酰胺的清洗填充液的全部量。 (2)此外,提供含有聚醚改性硅油的清洗填充液(1)。 (3)此外,提供一种用于清洁填充液体的喷墨记录装置的清洁,填充和储存方法,并且通过与清洗填充液浸渍来清洁液体流动路径后将清洁填充液储存起来。