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    • 2. 发明专利
    • Pigment dispersion
    • 颜料分散
    • JP2013040227A
    • 2013-02-28
    • JP2011175980
    • 2011-08-11
    • Canon Incキヤノン株式会社
    • MIZUTANI TAKAKAZUTAKAYAMA HIDEKINAKADA EIICHI
    • C09D17/00A01N43/80A01P3/00
    • PROBLEM TO BE SOLVED: To provide a pigment dispersion that has high antifungal performance.SOLUTION: The pigment dispersion comprises: carbon black; a mildewproofing agent that has a hydrophobic structure and a structure capable of forming hydrogen bond; and an organic compound. The organic compound has two or more functional groups selected from hydroxyl group and amino group and has a carbon number of 7 or lower. The content (mass%) of the mildewproofing agent is 0.10 mass% based on the total mass of the pigment dispersion, wherein: the content of the mildewproofing agent based on the total mass of the pigment dispersion is
    • 要解决的问题:提供具有高抗真菌性能的颜料分散体。 颜料分散体包含:炭黑; 具有疏水结构和能够形成氢键的结构的防霉剂; 和有机化合物。 有机化合物具有两个以上选自羟基和氨基的官能团,碳数为7以下。 防霉剂的含量(质量%)相对于颜料分散体的总质量为0.10质量%,其中,防霉剂的含量以颜料分散体的总质量为基准,质量比为0.06质量% (质量%); 并且基于颜料分散体的总质量的有机化合物的含量为防霉剂的含量(质量%)的质量比的1.0倍以上。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Image recording method and set
    • 图像记录方法和设置
    • JP2013018155A
    • 2013-01-31
    • JP2011151920
    • 2011-07-08
    • Canon Incキヤノン株式会社
    • OKAZAKI SHUICHINAKAJIMA YOSHIONAKADA EIICHIMIZUTANI TAKAKAZU
    • B41M5/00B41J2/01
    • PROBLEM TO BE SOLVED: To provide an image recording method capable of obtaining an image in which both suppression of bronze phenomenon, and improvement of ozone resistance and homogeneity of mapping are achieved at high level.SOLUTION: The image recording method includes: a step of applying ink containing pigments to a recording medium; a step of applying a first liquid composition in which a ratio of the maximum absorbance and the minimum absorbance (the maximum absorbance/the minimum absorbance) in a wavelength region of 400-800 nm is 1.0-2.0, and resin particles are included to the recording medium to be overlapped with at least part of the region to which the ink is applied; and a step of applying a second liquid composition in which a ratio of the maximum absorbance and the minimum absorbance (the maximum absorbance/the minimum absorbance) in the wavelength region of 400-800 nm is 1.0-2.0, and water-soluble resin is included to the recording medium to the recording medium to be overlapped with at least part of the region to which the ink and the first liquid composition are applied.
    • 要解决的问题:提供一种能够获得在高水平上实现青铜现象抑制和耐臭氧性的提高以及映射均匀性都能够获得的图像的图像记录方法。 解决方案:图像记录方法包括:将含有颜料的油墨施加到记录介质的步骤; 施加第一液体组合物的步骤,其中在400-800nm的波长区域中的最大吸光度和最小吸光度(最大吸光度/最小吸光度)的比率为1.0-2.0,并且包括树脂颗粒 记录介质与油墨被施加的区域的至少一部分重叠; 以及应用其中400-800nm波长区域中最大吸光度和最小吸光度(最大吸光度/最小吸光度)的比率为1.0-2.0的第二液体组合物的步骤,水溶性树脂为 包括在记录介质中的记录介质上,以与应用油墨和第一液体组合物的区域的至少一部分重叠。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Clear ink, inkjet recording method, ink set, and ink cartridge
    • 清洁墨水,喷墨记录方法,墨盒和墨盒
    • JP2011235615A
    • 2011-11-24
    • JP2010111442
    • 2010-05-13
    • Canon Incキヤノン株式会社
    • MIZUTANI TAKAKAZUNAKAJIMA YOSHIOOKAZAKI SHUICHINAKADA EIICHI
    • B41M5/00B41J2/01C09D11/00C09D11/30
    • PROBLEM TO BE SOLVED: To provide a clear ink superior in image clarity, scratch resistance, and gas resistance when used in image forming, and to provide an inkjet recording method, an ink set, and an ink cartridge using the same.SOLUTION: The clear ink for inkjet includes: at least a polymer fine particle and a polyvinyl alcohol. The clear ink is characterized in that the polymer fine particle has a core shell structure which is obtained under the presence of a shell polymer that is a copolymer having at least a unit originating in an α,β-ethylenically unsaturated hydrophobic monomer (a) and a unit originated in a monomer selected from an α,β-ethylenically unsaturated acid monomer and its salt, and furthermore, by polymerizing an α,β-ethylenically unsaturated hydrophobic monomer (b) as a core polymer.
    • 要解决的问题:为了提供在成像时使用的图像清晰度,耐划伤性和耐气体性优异的清晰油墨,以及提供喷墨记录方法,油墨组和使用其的油墨盒。 解决方案:用于喷墨的透明油墨包括:至少聚合物细颗粒和聚乙烯醇。 透明油墨的特征在于,聚合物细颗粒具有核壳结构,该壳壳结构是在壳聚合物存在下获得的,所述壳聚合物是至少具有源于α,β-烯键式不饱和疏水性单体(a)的单元的共聚物和 来源于选自α,β-烯键式不饱和酸单体及其盐的单体,此外,通过聚合作为核聚合物的α,β-烯键式不饱和疏水性单体(b)。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Ink set and inkjet recording method
    • 墨盒和喷墨记录方法
    • JP2014074153A
    • 2014-04-24
    • JP2013178554
    • 2013-08-29
    • Canon Incキヤノン株式会社
    • MIZUTANI TAKAKAZUTAKAYAMA HIDEKINAKAGAWA KOHEISHIMIZU YUHEIKAKIKAWA KOJI
    • C09D11/00B41J2/01B41M5/00
    • C09D11/324C09D11/322C09D11/40
    • PROBLEM TO BE SOLVED: To provide an ink set containing a combination of a first ink containing a self-dispersion type carbon black and a resin particle, and a second ink containing a resin, and capable of suppressing discharge deflection.SOLUTION: An ink set for inkjet containing a combination of a first ink and a second ink, the first ink contains a self-dispersion type carbon black and a specific particle A, a content of the particle A in the first ink is 0.05 mass% to 0.50 mass%, and the content of the particle A in the first ink is 0.056 times to 0.250 times as a mass ratio to the content of the self-dispersion pigment, the second ink contains a specific particle B, and an acid value a of the particle A and the acid value b of the particle B satisfy a relationship of a≤b.
    • 要解决的问题:提供一种包含含有自分散型炭黑和树脂颗粒的第一油墨和含有树脂的第二油墨并能够抑制排出偏转的组合的油墨组。溶液:油墨组 对于含有第一油墨和第二油墨的组合的喷墨,第一油墨含有自分散型炭黑和特定颗粒A,第一油墨中的颗粒A的含量为0.05质量%至0.50质量% 并且第一油墨中的颗粒A的含量相对于自分散颜料的含量为质量比的0.056倍至0.250倍,第二油墨含有特定颗粒B,颗粒A的酸值a和 粒子B的酸值b满足a≤b的关系。
    • 7. 发明专利
    • Ink, ink cartridge, and inkjet recording method
    • 墨盒,墨盒和喷墨记录方法
    • JP2014012824A
    • 2014-01-23
    • JP2013119096
    • 2013-06-05
    • Canon Incキヤノン株式会社
    • KAKIKAWA KOJINAKAGAWA KOHEISHIMIZU YUHEIMIZUTANI TAKAKAZUTAKAYAMA HIDEKI
    • C09D11/00B41J2/01B41M5/00
    • C09D11/38C09D11/322
    • PROBLEM TO BE SOLVED: To provide an ink having high discharge stability, and high glossiness and high optical density of an obtained image.SOLUTION: Concerning an ink used for an inkjet recording method for discharging the ink from a recording head by action of heat energy, the ink contains a pigment, a water-soluble polyurethane resin, a compound represented by general formula (1) and having a weight-average molecular weight of 1,000 or more to 8,500, and polyethylene oxide alkyl ether having an alkyl group with the carbon number of 12 or more. The content (mass%) of the compound represented by general formula (1) based on the whole mass of the ink is 0.4 time or more and 10.0 times or less in terms of the mass ratio with respect to the content (mass%) of the polyethylene oxide alkyl ether.
    • 要解决的问题:提供所获得的图像具有高放电稳定性,高光泽度和高光密度的油墨。解决方案:关于用于通过热能的作用从记录头排出油墨的喷墨记录方法的油墨 ,油墨含有颜料,水溶性聚氨酯树脂,通式(1)表示的化合物,重均分子量为1000以上至8,500以下,具有烷基的聚环氧乙烷烷基醚与碳 数量12以上。 基于油墨的整体质量,由通式(1)表示的化合物的含量(质量%)相对于质量比(质量%)为质量比为0.4倍以上10.0倍以下 聚环氧乙烷烷基醚。