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    ELECTROSTATIC INK COMPOSITIONS
    1.
    发明申请
    ELECTROSTATIC INK COMPOSITIONS 审中-公开
    静电油墨组合物

    公开(公告)号：WO2015188844A1

    公开(公告)日：2015-12-17

    申请号：PCT/EP2014/061943

    申请日：2014-06-09

    Applicant: HEWLETT-PACKARD INDIGO B.V.

    Inventor： BAR-HAIM, Gil ,  KABALNOV, Alexey S ,  TEISHEV, Albert ,  GRISHMAN, Alina ,  KAPLOUN, Vladislav ,  FELDMAN, Danny ,  BACHAR, Eyal

    IPC: C09D11/02 ,  G03G9/00

    CPC classification number: G03G9/122 ,  C09D11/02 ,  C09D11/037 ,  C09D11/107 ,  G03G9/131 ,  G03G9/135 ,  G03G13/10 ,  G03G2215/0629

    Abstract: Herein is disclosed a magenta liquid electrostatic ink composition comprising chargeable particles comprising a resin, a pigment, a liquid carrier in which the chargeable particles are dispersed, and a charge director, wherein the resin is formable from polymerising alkylene monomers and methacrylic or acrylic acid monomers, the pigment is selected from pigment violet 19 type α I pigment violet 19 type α II pigment violet 19 type β, pigment violet 19 type γ, pigment red 177, pigment red 208, pigment red 122 and pigment violet 32, and the liquid electrostatic ink composition lacks any other types of pigment. Also disclosed herein is a method of electrostatic printing and a print substrate having printed thereon the magenta liquid electrostatic ink composition.

    Abstract translation: 本文公开了一种品红色液体静电墨水组合物，其包含可包含树脂，颜料，其中可分散颗粒的液体载体的可带电荷颗粒和电荷导向剂，其中该树脂可由聚合的亚烷基单体和甲基丙烯酸或丙烯酸单体形成 颜料选自颜料紫19型αI颜料紫19型αII颜料紫19型β，颜料紫19型γ，颜料红177，颜料红208，颜料红122和颜料紫32，液体静电墨水组合物 缺乏任何其他类型的颜料。 本文还公开了一种印刷有品红色液体静电墨水组合物的静电印刷方法和印刷基材。

    ELECTROSTATIC INK COMPOSITIONS
    2.
    发明申请
    ELECTROSTATIC INK COMPOSITIONS 审中-公开
    静电油墨组合物

    公开(公告)号：WO2015165542A1

    公开(公告)日：2015-11-05

    申请号：PCT/EP2014/058927

    申请日：2014-04-30

    Applicant: HEWLETT-PACKARD INDIGO B.V.

    Inventor： BAR-HAIM, Gil ,  GRISHMAN, Alina ,  MOR, IIanit ,  TEISHEV, Albert

    IPC: C09D11/033 ,  G03G9/00

    CPC classification number: G03G9/09775 ,  C09D11/033 ,  G03G9/0808 ,  G03G9/135 ,  G03G9/1355

    Abstract: Herein is disclosed an electrostatic ink composition, wherein the composition is formable by combining: chargeable particles comprising a resin, a charge director comprising a sulfosuccinate salt, and a non-polymeric, non-fatty acid having a pK a , when measured in water at 20°C, of at least 1. Also disclosed herein is a method of forming an electrostatic ink composition, and a method of electrostatic printing.

    Abstract translation: 本文公开了一种静电墨水组合物，其中组合物可通过组合形成：当包含树脂的可带电粒子，包含磺基琥珀酸盐的电荷导向剂和具有pKa的非聚合非脂肪酸时， ℃至少为1.本文还公开了形成静电油墨组合物的方法和静电印刷方法。

    ELECTROSTATIC PRINTING
    5.
    发明申请
    ELECTROSTATIC PRINTING 审中-公开
    静电印刷

    公开(公告)号：WO2013107498A1

    公开(公告)日：2013-07-25

    申请号：PCT/EP2012/050578

    申请日：2012-01-16

    Applicant: HEWLETT-PACKARD INDIGO B.V. ,  BAR-HAIM, Gil ,  OFIR, Amir ,  MOR, Ilanit ,  GRISHMAN, Alina ,  TEISHEV, Albert

    Inventor： BAR-HAIM, Gil ,  OFIR, Amir ,  MOR, Ilanit ,  GRISHMAN, Alina ,  TEISHEV, Albert

    IPC: C09D11/00 ,  G03G9/08 ,  G03G9/09 ,  G03G9/135

    CPC classification number: C09D11/02 ,  B41J2/2107 ,  B41J2/41 ,  B65B3/00 ,  B65D85/70 ,  C09D11/033 ,  C09D11/037 ,  G03G9/131 ,  G03G9/135 ,  G03G9/1355

    Abstract: Described herein is a method for electrostatic printing comprising: (i) providing an ink composition comprising: a hydrocarbon carrier liquid and particles comprising a resin and a colorant, and wherein the ink composition contains less than 0.3 mg of charge director per g of solids in the ink composition; (ii) adding a charge director to the ink composition, such that the total amount of charge director in the ink composition is at least 0.6 mg per g of solids in the ink composition, and, (iii) within a predetermined time of adding the charge director, printing the ink onto a print medium in an electrostatic printing process, wherein the predetermined time is 90 minutes or less. Also described herein is a packaged ink composition, and method for producing it.

    Abstract translation: 本文描述了一种静电印刷方法，其包括：（i）提供一种油墨组合物，其包含：烃载体液体和包含树脂和着色剂的颗粒，并且其中所述油墨组合物每克固体含有小于0.3mg的电荷指示剂 油墨组合物; （ii）向墨水组合物中添加电荷导向剂，使得墨水组合物中的电荷导向剂的总量至少为油墨组合物中每克固体0.6mg，和（iii）在预定时间内添加 电荷导向器，在静电印刷工艺中将油墨印刷到打印介质上，其中预定时间为90分钟或更短。 本文还描述了一种包装油墨组合物及其生产方法。

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