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    Ink, Ink Cartridge and Ink Jet Recording Method
    1.
    发明申请
    Ink, Ink Cartridge and Ink Jet Recording Method 有权
    油墨，墨盒和喷墨记录方法

    公开(公告)号：US20120268518A1

    公开(公告)日：2012-10-25

    申请号：US13442359

    申请日：2012-04-09

    申请人： Arihiro Saito ,  Kenji Moribe ,  Mikio Sanada

    发明人： Arihiro Saito ,  Kenji Moribe ,  Mikio Sanada

    IPC分类号： B41J2/175 ,  C09D11/10

    CPC分类号： C09D11/322 ,  B41J2/17503 ,  B41J2/2107 ,  C09D11/32

    摘要： The present invention preferably provides an ink including an organic pigment, a water-soluble resin and a surfactant that allows images having high color developability to be obtained independently of the type of recording medium, even when a small amount of ink is applied. Preferably, the organic pigment is a phosphonic acid-type self-dispersible pigment, the acid value of the water-soluble resin is 100 mg KOH/g to 160 mg KOH/g, the surfactant is an ethylene oxide adduct of a higher alcohol selected from the group consisting of a linear primary alcohol, a linear secondary alcohol and an isoalkyl alcohol, the HLB value of the surfactant as determined by the Griffin method is 13.0 or more, and the mass ratio of the content (% by mass) of the surfactant in the ink to the content (% by mass) of the water-soluble resin in the ink is 0.07 to 0.70.

    摘要翻译： 本发明优选提供一种包含有机颜料，水溶性树脂和表面活性剂的油墨，即使在施加少量油墨时也能够独立于记录介质的类型获得具有高显色性的图像。 优选地，有机颜料是膦酸型自分散颜料，水溶性树脂的酸值为100mg KOH / g至160mgKOH / g，表面活性剂是选择的高级醇的环氧乙烷加合物 由线性伯醇，线性仲醇和异烷基醇组成的组中，通过格里芬法测定的表面活性剂的HLB值为13.0以上，质量比（质量％）为 油墨中的表面活性剂相对于油墨中的水溶性树脂的含量（质量％）为0.07〜0.70。

    Set of ink and reaction liquid, and image forming method
    2.
    发明授权
    Set of ink and reaction liquid, and image forming method 有权
    一套油墨和反应液，以及成像方法

    公开(公告)号：US08857967B2

    公开(公告)日：2014-10-14

    申请号：US13443191

    申请日：2012-04-10

    申请人： Arihiro Saito ,  Mikio Sanada ,  Kenji Moribe

    发明人： Arihiro Saito ,  Mikio Sanada ,  Kenji Moribe

    IPC分类号： B41J2/01 ,  C09D11/40 ,  B41J2/21 ,  C09D11/322 ,  C09D11/54

    CPC分类号： C09D11/40 ,  B41J2/01 ,  B41J2/2107 ,  C09D11/322 ,  C09D11/54

    摘要： A set of an ink containing a self-dispersible pigment and a water-soluble resin, which is a copolymer having a unit derived from (meth)acrylic acid, and a reaction liquid containing a surfactant, which is an ethylene oxide adduct of a higher alcohol of a linear primary or secondary alcohol or an isoalkyl alcohol and has a HLB value of 13.0 or more determined by the Griffin method, and having buffering ability in an acid region. Content of the surfactant in the reaction liquid is 0.20 times or more in terms of mass ratio as much as total content of the pigment and water-soluble resin.

    摘要翻译： 一种含有自分散性颜料和水溶性树脂的油墨，其是具有来源于（甲基）丙烯酸的单元的共聚物和含有表面活性剂的反应液，其是较高级的环氧乙烷加合物 线性伯醇或仲醇或异烷醇的醇，并且通过格里芬法测定的HLB值为13.0以上，并且在酸性区域具有缓冲能力。 反应液中的表面活性剂的含量相对于颜料和水溶性树脂的总含量的质量比为0.20倍以上。

    SET OF INK AND REACTION LIQUID, AND IMAGE FORMING METHOD
    3.
    发明申请
    SET OF INK AND REACTION LIQUID, AND IMAGE FORMING METHOD 有权
    一套油墨和反应液，以及图像形成方法

    公开(公告)号：US20120268536A1

    公开(公告)日：2012-10-25

    申请号：US13443191

    申请日：2012-04-10

    申请人： Arihiro Saito ,  Mikio Sanada ,  Kenji Moribe

    发明人： Arihiro Saito ,  Mikio Sanada ,  Kenji Moribe

    IPC分类号： B41J2/17 ,  C09D11/10

    CPC分类号： C09D11/40 ,  B41J2/01 ,  B41J2/2107 ,  C09D11/322 ,  C09D11/54

    摘要： A set of an ink containing a self-dispersible pigment and a water-soluble resin, which is a copolymer having a unit derived from (meth)acrylic acid, and a reaction liquid containing a surfactant, which is an ethylene oxide adduct of a higher alcohol of a linear primary or secondary alcohol or an isoalkyl alcohol and has a HLB value of 13.0 or more determined by the Griffin method, and having buffering ability in an acid region. Content of the surfactant in the reaction liquid is 0.20 times or more in terms of mass ratio as much as total content of the pigment and water-soluble resin.

    摘要翻译： 一种含有自分散性颜料和水溶性树脂的油墨，其是具有来源于（甲基）丙烯酸的单元的共聚物和含有表面活性剂的反应液，其是较高级的环氧乙烷加合物 线性伯醇或仲醇或异烷醇的醇，并且通过格里芬法测定的HLB值为13.0以上，并且在酸性区域具有缓冲能力。 反应液中的表面活性剂的含量相对于颜料和水溶性树脂的总含量的质量比为0.20倍以上。

    Ink, ink cartridge and ink jet recording method
    4.
    发明授权
    Ink, ink cartridge and ink jet recording method 有权
    墨水，墨盒和喷墨记录方法

    公开(公告)号：US09371461B2

    公开(公告)日：2016-06-21

    申请号：US13442359

    申请日：2012-04-09

    申请人： Arihiro Saito ,  Kenji Moribe ,  Mikio Sanada

    发明人： Arihiro Saito ,  Kenji Moribe ,  Mikio Sanada

    IPC分类号： B41J2/01 ,  C09D11/322 ,  C09D11/32 ,  B41J2/21 ,  B41J2/175

    CPC分类号： C09D11/322 ,  B41J2/17503 ,  B41J2/2107 ,  C09D11/32

    摘要： The present invention preferably provides an ink including an organic pigment, a water-soluble resin and a surfactant that allows images having high color developability to be obtained independently of the type of recording medium, even when a small amount of ink is applied. Preferably, the organic pigment is a phosphonic acid-type self-dispersible pigment, the acid value of the water-soluble resin is 100 mg KOH/g to 160 mg KOH/g, the surfactant is an ethylene oxide adduct of a higher alcohol selected from the group consisting of a linear primary alcohol, a linear secondary alcohol and an isoalkyl alcohol, the HLB value of the surfactant as determined by the Griffin method is 13.0 or more, and the mass ratio of the content (% by mass) of the surfactant in the ink to the content (% by mass) of the water-soluble resin in the ink is 0.07 to 0.70.

    摘要翻译： 本发明优选提供一种包含有机颜料，水溶性树脂和表面活性剂的油墨，即使在施加少量油墨时也能够独立于记录介质的类型获得具有高显色性的图像。 优选地，有机颜料是膦酸型自分散颜料，水溶性树脂的酸值为100mg KOH / g至160mgKOH / g，表面活性剂是选择的高级醇的环氧乙烷加合物 由线性伯醇，线性仲醇和异烷基醇组成的组中，通过格里芬法测定的表面活性剂的HLB值为13.0以上，质量比（质量％）为 油墨中的表面活性剂相对于油墨中的水溶性树脂的含量（质量％）为0.07〜0.70。

    SET OF REACTION LIQUID AND INK, AND IMAGE FORMING METHOD
    5.
    发明申请
    SET OF REACTION LIQUID AND INK, AND IMAGE FORMING METHOD 有权
    反应液体和墨水组，以及图像形成方法

    公开(公告)号：US20110141190A1

    公开(公告)日：2011-06-16

    申请号：US12950623

    申请日：2010-11-19

    申请人： Kenji Moribe ,  Mikio Sanada ,  Yasuhito Mori ,  Junichi Sakai

    发明人： Kenji Moribe ,  Mikio Sanada ,  Yasuhito Mori ,  Junichi Sakai

    IPC分类号： B41J2/015 ,  B41J2/17

    CPC分类号： C09D11/40 ,  C09D11/324 ,  C09D11/326 ,  C09D11/54

    摘要： Provided is a set of a reaction liquid that has a buffering action against pH change and exhibits a pH of 3.5 or more and 5.5 or less, and an ink that has a higher pH than the reaction liquid. The ink comprises a pigment to a surface of a pigment particle of which a basic group that forms a cation form at the pH of the reaction liquid is bonded. The pigment does not have an acidic group having a pKa equal to or less than the pH of the reaction liquid. The pigment is dispersed by a water-soluble polymer that has an acidic group having a pKa equal to or more than the pH of the reaction liquid and equal to or less than the pH of the ink.

    摘要翻译： 提供一组反应液，其具有抗pH变化的缓冲作用，并且pH为3.5以上且5.5以下，并且具有比反应液高的pH的墨。 油墨包含颜料到颜料颗粒的表面，其中在反应液体的pH下形成阳离子形式的碱性基团结合。 颜料不具有pKa等于或小于反应液pH的酸性基团。 颜料由具有pKa等于或大于反应液的pH等于或小于墨水pH值的酸性基团的水溶性聚合物分散。

    Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
    6.
    发明授权
    Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus 有权
    水性墨水，喷墨记录方法，墨盒，记录单元和喷墨记录装置

    公开(公告)号：US07699924B2

    公开(公告)日：2010-04-20

    申请号：US11860109

    申请日：2007-09-24

    申请人： Kumiko Mafune ,  Mikio Sanada ,  Kenji Moribe ,  Tomonari Watanabe ,  Daiji Okamura ,  Satoshi Kudo ,  Fumiharu Nakamura

    发明人： Kumiko Mafune ,  Mikio Sanada ,  Kenji Moribe ,  Tomonari Watanabe ,  Daiji Okamura ,  Satoshi Kudo ,  Fumiharu Nakamura

    IPC分类号： C09D11/02

    CPC分类号： C09D11/322

    摘要： Provided herein is an aqueous ink, which is excellent in both image density and fixing ability irrespective of the kind of a recording medium even when the volume of an ink droplet is small and has such excellent properties that white stripes are not caused even when high-speed recording is conducted. The aqueous ink comprises at least water, a water-soluble organic solvent, a water-insoluble coloring material, a surfactant and a poor medium for the water-insoluble coloring material and/or a salt. The dynamic surface tension of the aqueous ink at a lifetime of 50 milliseconds determined by a maximum bubble pressure method is higher than 47 mN/m, and the dynamic surface tension at a lifetime of 5,000 milliseconds determined by the maximum bubble pressure method is 38 mN/m or lower.

    摘要翻译： 本发明提供一种水性油墨，即使在墨滴体积小的情况下即使是高分辨率的白色条纹也具有优异的图像浓度和定影能力，与记录介质的种类无关， 进行速度记录。 水性油墨至少包含水，水溶性有机溶剂，水不溶性着色材料，表面活性剂和用于水不溶性着色材料和/或盐的不良介质。 通过最大气泡压力法确定的50毫秒的寿命的水性油墨的动态表面张力高于47mN / m，通过最大气泡压力法确定的5000毫秒的寿命的动态表面张力为38mN / m以下。

    INK JET RECORDING INK TANK
    10.
    发明申请
    INK JET RECORDING INK TANK 有权
    墨水记录墨盒

    公开(公告)号：US20080278552A1

    公开(公告)日：2008-11-13

    申请号：US12101910

    申请日：2008-04-11

    申请人： Mikio Sanada ,  Kenji Moribe ,  Satomi Yanagimachi ,  Kouhei Nakagawa ,  Yasuhito Mori

    发明人： Mikio Sanada ,  Kenji Moribe ,  Satomi Yanagimachi ,  Kouhei Nakagawa ,  Yasuhito Mori

    IPC分类号： B41J2/175

    CPC分类号： B41J2/17556 ,  C09D11/30

    摘要： An ink jet recording ink tank includes: an ink retention member, which to hold ink exerts a negative pressure through capillary force; and ink, which is retained in the ink retention member, for which a dynamic surface tension in a lifetime of 50 msec, obtained by a maximum bubble pressure method, is higher than an interfacial tension of the ink retention member, a dynamic surface tension in a lifetime of 5000 msec is lower than the interfacial tension of the ink retention member, and a difference between the dynamic surface tension in the lifetime of 50 msec and the dynamic surface tension in the lifetime of 5000 msec is equal to or greater than 8 mN/m.

    摘要翻译： 喷墨记录墨水盒包括：保持墨水的墨水保持部件通过毛细管力施加负压; 并且通过最大气泡压力法获得的寿命为50毫秒的动态表面张力保留在油墨保留构件中的油墨高于油墨保持构件的界面张力，动态表面张力 5000毫秒的寿命低于墨水保持构件的界面张力，并且在50msec的寿命期间的动态表面张力与5000msec的寿命期间的动态表面张力之差等于或大于8mN / m。