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    • 4. 发明专利
    • Ink, ink cartridge and inkjet recording method
    • 墨盒,墨盒和喷墨记录方法
    • JP2014025002A
    • 2014-02-06
    • JP2012167685
    • 2012-07-27
    • Canon Incキヤノン株式会社
    • NEGISHI YUKOSAITO TAKASHISAKAI JUNICHIIKEGAMI MASAYUKI
    • C09D11/00B41J2/01B41M5/00C09B47/04C09B67/22
    • PROBLEM TO BE SOLVED: To provide a black ink with which an image excellent in resistance to ozone can be recorded.SOLUTION: An ink contains a first color material and a second color material, and has gray or black color tone. The first color material is a compound that is represented by the following general formula (I) (wherein rings A, B, C and D each independently represent a benzene ring or a heteroaromatic ring, and the number of the heteroaromatic ring is greater than 0.0 and 3.0 or less on average and the rest is a benzene ring; Rrepresents an alkyl group, Rrepresents an alkylene group, X represents an anilino group having 1 or more sulfonic acid groups; m is greater than 0.0 and less than 3.9 on average, n is 0.1 or more and less than 4.0 on average, and the sum of m and n is 1.0 or more and less than 4.0 on average), and the second color material is a black color material that has a plurality of azo bonds including an azo bond directly bonded to a heterocycle.
    • 要解决的问题:提供能够记录耐臭氧性优异的图像的黑色墨水。解决方案:墨水包含第一颜色材料和第二颜色材料,并且具有灰色或黑色色调。 第一着色材料是由以下通式(I)表示的化合物(其中环A,B,C和D各自独立地表示苯环或杂芳族环,杂芳环的数目大于0.0 平均为3.0以下,其余为苯环; R表示烷基,R表示亚烷基,X表示具有1个以上磺酸基的苯胺基; m大于0.0且平均小于3.9,n 平均为0.1以上且小于4.0,m和n的总和平均为1.0以上且小于4.0),第二色材料为具有多个偶氮键的黑色材料,该偶氮键包含偶氮 键直接键合到杂环上。
    • 6. 发明专利
    • Inkjet ink and inkjet recording method
    • INKJET INKJET INKJET记录方法
    • JP2013014745A
    • 2013-01-24
    • JP2012123259
    • 2012-05-30
    • Canon Incキヤノン株式会社
    • NAKAZAWA IKUOIKEGAMI MASAYUKI
    • B41J2/01B41M5/00C09D11/00C09D11/322C09D11/324C09D11/38
    • C09D11/106C09D11/322
    • PROBLEM TO BE SOLVED: To provide an inkjet ink that has high ejection stability and reduced blurring and can provide an image with high scratch resistance and water resistance.SOLUTION: The inkjet ink contains a coloring material, resin particles, a crosslinking agent and an aqueous medium. The resin particles have a unit derived from a compound represented by a specific general formula and a glass transition temperature of 25°C or less. The crosslinking agent has a functional group capable of forming a crosslinked structure with a ketone group derived from the compound represented by the specific general formula, which the resin particles have, by a dehydration reaction. The mass ratio of a content (% by mass) of the coloring material based on the total mass of the ink to a content (% by mass) of the resin particle based on the total mass of the ink is 0.2 times or more and 2.5 times or less.
    • 要解决的问题:提供具有高喷射稳定性和模糊减少的喷墨油墨,并且可以提供具有高耐刮擦性和耐水性的图像。 解决方案:喷墨油墨包含着色材料,树脂颗粒,交联剂和水性介质。 树脂颗粒具有来自由特定通式表示的化合物和玻璃化转变温度为25℃以下的单元。 交联剂具有能够通过脱水反应由树脂颗粒具有的由具体通式表示的化合物衍生的酮基形成交联结构的官能团。 基于油墨的总质量的着色材料的含量(质量%)与基于油墨的总质量的树脂颗粒的含量(质量%)的质量比为0.2倍以上2.5倍 次以下。 版权所有(C)2013,JPO&INPIT