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    • 11. 发明专利
    • Ink, method for inkjet recording, ink cartridge, recording unit, and inkjet recording apparatus
    • 油墨,喷墨记录方法,墨盒,记录单元和喷墨记录装置
    • JP2010180317A
    • 2010-08-19
    • JP2009024618
    • 2009-02-05
    • Canon Incキヤノン株式会社
    • SHIMIZU YUHEIUDAGAWA MASAKOOKAZAKI SHUICHIHAKAMATA SHINICHITAKAI HIDEYUKIKAKIKAWA KOJI
    • B41J2/01B41M5/00C09D11/00C09D11/322
    • PROBLEM TO BE SOLVED: To provide ink maintaining storage stability of the ink at high level, giving an image excellent in glossiness when formed on glossy paper, and giving a color reproduction range of red color region broader than ever before; a method for inkjet recording constantly producing an image having color reproduction of red color region corresponding to that of silver halide photography and excellent in glossiness; an ink cartridge; a recording unit; and an inkjet recording apparatus. SOLUTION: This ink includes at least a pigment. The pigment is a solid solution of C. I. Pigment Red 202 and C. I. Pigment Red 122. The primary particle diameter D (nm) and 50% accumulated value D 50 (nm) of particle diameter distribution of the pigment satisfy the relation: D×0.95≤D 50 ≤125, and 90% accumulated value of particle diameter distribution D 90 (nm) and the D 50 (nm) satisfy the relation: 1.5≤D 90 /D 50 ≤2.1. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供油墨保持高水平的储存稳定性,在光面纸上形成光泽度优异的图像,并且给出比以前更宽的红色区域的颜色再现范围; 喷墨记录方法不断地产生具有与卤化银摄影对应的红色区域的色彩再现的图像,并且具有优异的光泽度; 墨盒 记录单元; 和喷墨记录装置。 解决方案:该油墨至少包含颜料。 颜料是CI颜料红202和CI颜料红122的固溶体。颜料的粒径分布的一次粒径D(nm)和50%累积值D 50(nm)满足 关系式:D×0.95≤D 50 ≤125,90%的粒径分布D 90(nm)的累积值和D 50 (nm)满足关系:1.5≤D 90 / D 50 ≤2.1。 版权所有(C)2010,JPO&INPIT
    • 15. 发明专利
    • Ink set and inkjet recording method
    • 墨盒和喷墨记录方法
    • JP2012051981A
    • 2012-03-15
    • JP2010194046
    • 2010-08-31
    • Canon Incキヤノン株式会社
    • OKAZAKI SHUICHINAKAGAWA KOHEI
    • B41J2/01B41M5/00C09D11/00C09D11/322C09D11/324C09D11/326C09D11/38
    • PROBLEM TO BE SOLVED: To provide an ink set, etc., which can achieve both the gloss uniformity and gas resistance of an image at a high level.SOLUTION: The ink set includes at least an ink that contains a pigment, resin A, and resin B, and a clear ink that contains resin C but not a color material, wherein the content of the pigment is 0.9 mass% or less, the resin A contributes to a pigment dispersion and is a resin of the acid value of 120-220 mgKOH/g, the content of the resin A is 0.1 time or more and 1.0 time or less of the content of the pigment, the resin B does not contribute to the pigment dispersion and is a water-soluble resin of the acid value of 120-220 mgKOH/g, the content of the resin B is 1.0 time or more and 15.0 times or less of the content of the pigment, and the resin C is resin fine particles of the acid value of 120 mgKOH/g or more and 220 mgKOH/g.
    • 要解决的问题:提供能够以高水平实现图像的光泽均匀性和气体阻力的油​​墨组等。 解决方案:油墨组至少包含含有颜料,树脂A和树脂B的油墨,以及含有树脂C而不是着色材料的透明油墨,其中颜料的含量为0.9质量%或 较少,树脂A有助于颜料分散体,并且是酸值为120-220mgKOH / g的树脂,树脂A的含量为颜料含量的0.1倍以上且1.0倍以下, 树脂B对颜料分散体无贡献,是酸值为120-220mgKOH / g的水溶性树脂,树脂B的含量为颜料含量的1.0倍以上且15.0倍以下 树脂C为酸值为120mgKOH / g以上且220mgKOH / g的树脂微粒。 版权所有(C)2012,JPO&INPIT
    • 20. 发明专利
    • Ink set and inkjet recording method
    • 墨盒和喷墨记录方法
    • JP2011256298A
    • 2011-12-22
    • JP2010132696
    • 2010-06-10
    • Canon Incキヤノン株式会社
    • TAKAYAMA HIDEKIIWATA SATORUOKAZAKI SHUICHIKAKIKAWA KOJI
    • B41J2/01B41M5/00C09B57/00C09B67/20C09D11/00C09D11/322C09D11/328C09D11/40
    • PROBLEM TO BE SOLVED: To provide an ink set and an inkjet recording method, excellent in light fastness of an image formed by an yellow ink and also capable of especially improving the ozone resistance of a multiple-colored image formed by at least using the yellow ink and a cyan ink.SOLUTION: This ink set includes a combination of the yellow ink and cyan ink each containing pigments as coloring matter, wherein the yellow ink is provided by containing two first and second different kinds of pigments, the first pigment is selected from the pigments expressed by general formula (I) [wherein, Rto Rare each independently H, a halogen atom, methyl or methoxy; and also at least one of Rto Ris any of a halogen atom. methyl or methoxy], and the second pigment is at least one of C. I. pigment yellow 74 and C. I. pigment yellow 129.
    • 要解决的问题:提供一种油墨组和喷墨记录方法,其由黄色油墨形成的图像的耐光性优异,并且还能够特别地提高至少形成的多色图像的耐臭氧性 使用黄色墨水和青色墨水。 解决方案:该油墨组包括黄色油墨和青色油墨的组合,每种颜料均含有颜料作为着色剂,其中黄色油墨通过含有两种第一种和第二种不同种类的颜料而提供,第一种颜料选自颜料 由通式(I)表示[其中,R 1 各自独立地为H,卤素原子,甲基或 甲氧基; R< SB POS =“POST”> 4 中的至少一个是卤素原子中的任一个。 甲基或甲氧基],第二颜料是C.I.颜料黄74和C.I.颜料黄129.中的至少一种。(C)2012,JPO&INPIT