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    • 42. 发明授权
    • Inkjet recording method and recorded article
    • 喷墨记录方法和记录文章
    • US08342678B2
    • 2013-01-01
    • US12701621
    • 2010-02-08
    • Hiroshi KawakamiNaoki KusunokiHideki Kaimoto
    • Hiroshi KawakamiNaoki KusunokiHideki Kaimoto
    • B41J2/01
    • B41M5/52B41J11/0005B41J29/393B41M5/5218B41M5/5245
    • An image is recorded by ejecting two or more ink compositions on a porous layer that contains inorganic microparticles and a water-soluble resin and has a porosity [%] of 50% or more with a maximum total ejection amount (mL/m2) set at less than 90% of an absorption capacity (mL/m2) of diethylene glycol in the porous layer. The porosity=(absorption capacity of diethylene glycol (mL/m2))/(thickness of porous layer (μm))×100. The maximum total ejection amount=(maximum ejection amount of one dot (mL/m2))×(total amount of ink (%)). An inkjet recording method capable of inhibiting color change from occurring to cause color irregularities when papers are stacked on an image portion within a relatively short time after recording in high-speed processing or processing of a large number of sheets, and capable of stably obtaining images recorded with desired color tone.
    • 通过在包含无机微粒和水溶性树脂的多孔层上喷射两种或更多种油墨组合物并且具有50%以上的孔隙率[%],最大总喷射量(mL / m 2)设定在 在多孔层中小于90%的二甘醇的吸收能力(mL / m 2)。 孔隙率=(二甘醇的吸收容量(mL / m 2))/(多孔层的厚度(μm))×100。 最大总喷射量=(一个点的最大喷射量(mL / m 2))×(油墨总量(%))。 能够在记录高速处理或处理大量纸张之后的相对短的时间内将纸堆积在图像部分上时能够抑制发生颜色变化的颜色变化的喷墨记录方法,并且能够稳定地获得图像 用所需的色调录制。
    • 43. 发明授权
    • Method for inkjet recording
    • 喷墨记录方法
    • US08226226B2
    • 2012-07-24
    • US12490324
    • 2009-06-24
    • Hiroshi KawakamiKazuo Sanada
    • Hiroshi KawakamiKazuo Sanada
    • B41J2/01
    • B41M5/52B41J11/002B41M5/506B41M5/5218B41M5/5245B41M5/5281B41M7/0072B41M7/0081B41M7/009B41M2205/38
    • A method for inkjet recording capable of providing an image in which occurrence of color hue difference (color change) is suppressed irrespective of a manner of treatment, which method includes recording an image by jetting an ink by an inkjet method on an inkjet recording medium including a substrate and an ink receiving layer including inorganic fine particles and a water-soluble metal compound provided on the substrate, and drying at least the image recorded on the inkjet recording medium, wherein the inkjet recording medium includes a substrate, a first ink receiving layer including inorganic fine particles and a nitrogen-containing organic cationic polymer, and a second ink receiving layer including inorganic fine particles and a water-soluble metal compound on the substrate in this order from the substrate side, wherein the first ink receiving layer contains the nitrogen-containing organic cationic polymer by a higher content and the water-soluble metal compound by a lower content than those in the second ink receiving layer.
    • 一种用于喷墨记录的方法,其能够提供与处理方式无关地抑制色调差异(颜色变化)的发生的图像,该方法包括通过喷墨方式在喷墨记录介质上喷射油墨来记录图像,所述喷墨记录介质包括 基板和油墨接收层,其包括设置在基板上的无机细颗粒和水溶性金属化合物,并且至少干燥记录在喷墨记录介质上的图像,其中喷墨记录介质包括基板,第一墨接收层 包括无机细颗粒和含氮有机阳离子聚合物,以及包含无机细颗粒和水溶性金属化合物的第二油墨接收层,从基材一侧依次在基材上,其中第一油墨接收层含有氮 含有有机阳离子聚合物和较低含量的水溶性金属化合物 比第二油墨接收层中的那些。
    • 49. 发明授权
    • Recording medium, method for manufacturing same, and inkjet recording method
    • 记录介质,其制造方法和喷墨记录方法
    • US08034423B2
    • 2011-10-11
    • US12270378
    • 2008-11-13
    • Hiroshi KawakamiRyoichi Nakano
    • Hiroshi KawakamiRyoichi Nakano
    • B41M5/40
    • B41M5/502B41M5/0017B41M7/009
    • A recording medium in which a base paper, a first layer including a binder, and a second layer including kaolin and at least one pigment selected from calcined kaolin, delaminated kaolin, and amorphous silica are laminated in that order. A total content of at least one pigment selected from the group of pigments is 10% or more of the total amount of pigments in the second layer. A Cobb water absorption degree within a contact time of 120 sec in a water absorption test at a surface of the first layer of the base paper provided with the first layer is than 2.0 g/m2 or less, and a water absorption amount within a contact time of 0.5 sec determined by a Bristow test at a surface of the second layer is from 2 mL/m2 to 8 mL/m2.
    • 依次层叠基材,包含粘合剂的第一层和包含高岭土和选自煅烧高岭土,分层高岭土和无定形二氧化硅中的至少一种颜料的第二层的记录介质。 选自颜料组中的至少一种颜料的总含量为第二层中颜料总量的10%以上。 在设置有第一层的原纸的第一层的表面的吸水试验中,在120秒的接触时间内的Cobb吸水度为2.0g / m 2以下,并且在接触部内的吸水量 在第二层的表面通过Bristow测试确定的0.5秒的时间为2mL / m 2至8mL / m 2。