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    • 1. 发明授权
    • Ink, ink cartridge, and ink jet recording method
    • 墨水,墨盒和喷墨记录方法
    • US08616695B2
    • 2013-12-31
    • US13442279
    • 2012-04-09
    • Yasuhito MoriShinichi HakamadaTomohiro Yamashita
    • Yasuhito MoriShinichi HakamadaTomohiro Yamashita
    • G01D11/00
    • C09D11/322C09D11/326
    • Provided is an ink jet ink including a monoazo pigment and a resin, the ink being used for an ink jet recording system in which the ink is ejected from a recording head by an action of thermal energy. The monoazo pigment is a self-dispersible pigment having an anionic group bonded to a particle surface of the pigment directly or via another atomic group and has a surface charge amount of 5.9×10−2 mmol/g or more and 9.8×10−2 mmol/g or less. The resin has an acid value of 100 mg KOH/g or more and 160 mg KOH/g or less. The mass ratio of the content (mass %) of the resin to the content (mass %) of the monoazo pigment in the ink is 0.05 times or more and 0.25 times or less.
    • 提供了一种包括单偶氮颜料和树脂的喷墨油墨,该油墨用于喷墨记录系统,其中通过热能从记录头喷射油墨。 单偶氮颜料是具有阴离子基团的自分散颜料,其直接或通过另一个原子基团与颜料的颗粒表面键合,并且表面带电量为5.9×10 -2 mmol / g以上至9.8×10 -2 mmol / g以下。 该树脂的酸值为100mg KOH / g以上且160mgKOH / g以下。 树脂的含量(质量%)与油墨中单偶氮颜料的含量(质量%)的质量比为0.05倍以上且0.25倍以下。
    • 2. 发明申请
    • INK, INK CARTRIDGE AND INK JET RECORDING METHOD
    • 墨盒,墨盒和喷墨记录方法
    • US20130027476A1
    • 2013-01-31
    • US13530504
    • 2012-06-22
    • Yasuhito MoriTomohiro Yamashita
    • Yasuhito MoriTomohiro Yamashita
    • C09D11/10B41J2/05C08K5/524B41J2/175C08K5/42C08K5/23
    • C09D11/38B41J2/2107C09D11/322
    • The invention provides an ink that inhibits lowering of ejection stability caused by a precipitate derived from a self-dispersible type monoazo pigment and also inhibits deterioration of a liquid contact surface of a heater portion of a recording head. The ink is an ink for ink jet recording system employing an thermal energy, containing a monoazo pigment, a resin and a surfactant represented by the following formula (1). A proportion of a molecular weight of an ethylene oxide group moiety occupying the surfactant is 10% or more and 85% or less, the monoazo pigment is a self-dispersible pigment to the particle surface of which at least one hydrophilic group selected from the group consisting of —COOM, —SO3M, —PO3HM and —PO3M2 is bonded directly or through another atomic group, and the acid value of the resin is 240 mg KOH/g or less.
    • 本发明提供了抑制由自分散型单偶氮颜料衍生的沉淀物引起的喷射稳定性的降低的油墨,并且还抑制了记录头的加热器部分的液体接触表面的劣化。 油墨是使用含有单偶氮颜料,树脂和由下式(1)表示的表面活性剂的热能的喷墨记录系统的油墨。 占该表面活性剂的环氧乙烷基部分的分子量的一个比例为10%以上且85%以下,单偶氮颜料是粒子表面的自分散颜料,其中至少一个亲水基团选自基团 由-COOM,-SO3M,-PO3HM和-PO3M2构成的物质直接或通过另一原子团键合,树脂的酸值为240mgKOH / g以下。
    • 4. 发明授权
    • Ink, ink cartridge and ink jet recording method
    • 墨水,墨盒和喷墨记录方法
    • US08998397B2
    • 2015-04-07
    • US13530504
    • 2012-06-22
    • Yasuhito MoriTomohiro Yamashita
    • Yasuhito MoriTomohiro Yamashita
    • B41J2/01C09D11/38B41J2/21C09D11/322
    • C09D11/38B41J2/2107C09D11/322
    • The invention provides an ink that inhibits lowering of ejection stability caused by a precipitate derived from a self-dispersible type monoazo pigment and also inhibits deterioration of a liquid contact surface of a heater portion of a recording head. The ink is an ink for ink jet recording system employing an thermal energy, containing a monoazo pigment, a resin and a surfactant represented by the following formula (1). A proportion of a molecular weight of an ethylene oxide group moiety occupying the surfactant is 10% or more and 85% or less, the monoazo pigment is a self-dispersible pigment to the particle surface of which at least one hydrophilic group selected from the group consisting of —COOM, —SO3M, —PO3HM and —PO3M2 is bonded directly or through another atomic group, and the acid value of the resin is 240 mg KOH/g or less.
    • 本发明提供了抑制由自分散型单偶氮颜料衍生的沉淀物引起的喷射稳定性的降低的油墨,并且还抑制了记录头的加热器部分的液体接触表面的劣化。 油墨是使用含有单偶氮颜料,树脂和由下式(1)表示的表面活性剂的热能的喷墨记录系统的油墨。 占该表面活性剂的环氧乙烷基部分的分子量的一个比例为10%以上且85%以下,单偶氮颜料是粒子表面的自分散颜料,其中至少一个亲水基团选自基团 由-COOM,-SO3M,-PO3HM和-PO3M2构成的物质直接或通过另一原子团键合,树脂的酸值为240mgKOH / g以下。
    • 8. 发明申请
    • SET OF INK AND REACTION LIQUID, AND IMAGE FORMING METHOD
    • 一套油墨和反应液,以及图像形成方法
    • US20120268521A1
    • 2012-10-25
    • US13440342
    • 2012-04-05
    • Kenji MoribeYasuhito Mori
    • Kenji MoribeYasuhito Mori
    • B41J2/015C09D11/10
    • C09D11/54B41J2/01B41J2/2107C09D11/322
    • A set of an ink containing a pigment dispersed by a water-soluble resin and having the surface tension of 38 mN/m or less and a reaction liquid containing a polyvalent metal ion and 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 as determined by the Griffin method. The content of the polyvalent metal ion in the reaction liquid is 10.0 times or more in terms of molar ratio as much as an amount of an acidic group derived from the water-soluble resin in the ink and the content of the surfactant in the reaction liquid is 0.15 times or more in terms of mass ratio as much as the total content of the pigment and water-soluble resin in the ink.
    • 一组含有由水溶性树脂分散的表面张力为38mN / m以下的颜料的油墨和含有多价金属离子和表面活性剂的反应液,其是高级醇的环氧乙烷加合物 的线性伯醇或仲醇或异烷醇,并且具有通过格里芬法测定的HLB值为13.0以上。 反应液中的多价金属离子的含量相对于油墨中的水溶性树脂衍生的酸性基团的摩尔比和反应液中的表面活性剂的含量的摩尔比为10.0倍以上 与油墨中的颜料和水溶性树脂的总含量一样多的质量比为0.15倍以上。
    • 10. 发明授权
    • Set of ink and reaction liquid, and image forming method
    • 一套油墨和反应液,以及成像方法
    • US08783843B2
    • 2014-07-22
    • US13440342
    • 2012-04-05
    • Kenji MoribeYasuhito Mori
    • Kenji MoribeYasuhito Mori
    • B41J2/01C09D11/00B41J2/21
    • C09D11/54B41J2/01B41J2/2107C09D11/322
    • A set of an ink containing a pigment dispersed by a water-soluble resin and having the surface tension of 38 mN/m or less and a reaction liquid containing a polyvalent metal ion and 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 as determined by the Griffin method. The content of the polyvalent metal ion in the reaction liquid is 10.0 times or more in terms of molar ratio as much as an amount of an acidic group derived from the water-soluble resin in the ink and the content of the surfactant in the reaction liquid is 0.15 times or more in terms of mass ratio as much as the total content of the pigment and water-soluble resin in the ink.
    • 一组含有由水溶性树脂分散的表面张力为38mN / m以下的颜料的油墨和含有多价金属离子和表面活性剂的反应液,其是高级醇的环氧乙烷加合物 的线性伯醇或仲醇或异烷醇,并且具有通过格里芬法测定的HLB值为13.0以上。 反应液中的多价金属离子的含量相对于油墨中的水溶性树脂衍生的酸性基团的摩尔比和反应液中的表面活性剂的含量的摩尔比为10.0倍以上 与油墨中的颜料和水溶性树脂的总含量一样多的质量比为0.15倍以上。