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    Radiation-curable ink-jet printing
    5.
    发明公开
    Radiation-curable ink-jet printing 有权
    StrahlungshärtbareBindemittelfürTintenstrahldruckverfahren

    公开(公告)号：EP1772497A1

    公开(公告)日：2007-04-11

    申请号：EP06126839.7

    申请日：2005-03-24

    Applicant: Agfa Graphics N.V.

    Inventor： Claes, Roland ,  Deroover, Geert ,  De Voeght, Frank

    IPC: C09D11/02

    CPC classification number: C09D11/101

    Abstract: A radiation-curable ink-jet black ink comprising a black pigment, at least one colour pigment and at least one radiation-curable compound is disclosed. An ink-jet ink set comprising the radiation-curable ink-jet black ink and a process for printing with such an ink-jet ink set are also disclosed.
    Image quality defects of noticeable chromatic variation in adjacent print patches of bi-directional printing are eliminated and reduced ink consumption is observed.

    Abstract translation: 公开了一种包含黑色颜料，至少一种着色颜料和至少一种可辐射固化化合物的可辐射固化喷墨黑色油墨。 还公开了一种包括可辐射固化喷墨黑色油墨的喷墨油墨组和用这种喷墨油墨组印刷的方法。 消除了双向打印相邻打印色块中明显的色差变化的图像质量缺陷，并且观察到墨水消耗减少。

    Non-aqueous pigmented inkjet inks
    9.
    发明公开
    Non-aqueous pigmented inkjet inks 有权
    Nichtwässrigepigmentierte Tintenstrahldruckfarben

    公开(公告)号：EP1911813A1

    公开(公告)日：2008-04-16

    申请号：EP06122091.9

    申请日：2006-10-11

    Applicant: Agfa Graphics N.V.

    Inventor： Hoogmartens, Ivan ,  Bernaerts, Katrien ,  Deroover, Geert

    IPC: C09D11/00

    CPC classification number: C09D11/101

    Abstract: A non-aqueous inkjet ink comprising C.I. Pigment Yellow 150 and a polymeric dispersant according to Formula (I):

    wherein,
    T represents hydrogen or a polymerization terminating group;
    Z represents the residue of polyethyleneimine having a number-average molecular weight of at least 100;
    A represents an oxyalkylene carbonyl group;
    T-C(O)A n - represents a TPOAC-chain which is bound to Z through an amide bond; and
    n and m are integers wherein m is at least 2 and n is from 2 to 100;
    characterized in that the polymeric dispersant fulfills the conditions of: W TPOAC > 57 ⁢ and N Amide ≧ 65 mol %
    with
    W TPOAC representing the ratio of the weight percentage of TPOAC-chains over the weight percentage of amide bonds in the polymeric dispersant;
    N Amide representing the mol% of amide bonds based on the total nitrogen content of the polymeric dispersant; and
    wherein the values of W TPOAC and N Amide are calculated from the total nitrogen content determined by dry combustion of the polymeric dispersant and from the amine content determined through potentiometric titration in a mixture of CH 3 COOH:THF (14.5:0.5) with 0.1 N aqueous perchloric acid.

    Abstract translation: 包含C.I.的非水性喷墨油墨。 颜料黄150和根据式（I）的聚合物分散剂：其中，T表示氢或聚合终止基团; Z表示数均分子量为100以上的聚乙烯亚胺的残基; A表示氧化烯羰基; T-C（O）A n - 表示通过酰胺键与Z结合的TPOAC-链; 并且n和m是其中m为至少2且n为2至100的整数; 其特征在于聚合物分散剂满足以下条件：W TPOAC> 57 ¢和N酰胺‰§65 mol％，W TPOAC代表TPOAC链的重量百分比与聚合物分散剂中酰胺键的重量百分比的比率 ; N酰胺基于聚合物分散剂的总氮含量表示酰胺键的摩尔％; 并且其中W TPOAC和N酰胺的值是根据通过聚合物分散剂的干燃烧确定的总氮含量和通过在CH 3 COOH:THF（14.5:0.5）与0.1的混合物中电位滴定测定的胺含量来计算的 N高氯酸盐。

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