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    Radiation-curable ink-jet printing
    11.
    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。

    Curable liquids and inks for toys and food packaging applications
    16.
    发明公开
    Curable liquids and inks for toys and food packaging applications 有权
    用于玩具和食品包装应用的可固化液体和油墨

    公开(公告)号：EP2053103A1

    公开(公告)日：2009-04-29

    申请号：EP07119181.1

    申请日：2007-10-24

    Applicant: Agfa Graphics N.V.

    Inventor： Claes, Roland ,  Loccufier, Johan

    IPC: C09D11/10 ,  C09D11/00

    CPC classification number: C09D11/30 ,  B05D1/005 ,  B05D1/18 ,  B05D1/265 ,  B05D1/28 ,  B05D1/305 ,  B05D1/32 ,  B05D1/40 ,  B05D3/067 ,  C09D11/101 ,  C09D11/107 ,  C09D11/38 ,  Y10S522/904 ,  Y10S522/909

    Abstract: A free radical curable liquid for inkjet printing of food packaging materials comprising no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators and polymerizable initiators;
    wherein the polymerizable composition of said liquid consists essentially of:
    a) 25 - 100 wt% of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1;
    b) 0 - 55 wt% of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and
    c) 0 - 55 wt% of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates, with the proviso that if the weight percentage of compounds B > 24 wt%, then the weight percentage of compounds C > 1 wt%;

    and wherein all weight percentages of A, B and C are based upon the total weight of the polymerizable composition;
    with the proviso that at least one polymerizable compound B or C is present in the polymerizable composition if the free radical curable liquid contains no initiator;
    wherein the polymerizable compound A has a copolymerization ratio of

    with r 1 and r 2 representing the copolymerization parameters of methyl-G1 respectively methyl-G2 determined according to the method of Kelen-Tudos.

    Abstract translation: 一种用于食品包装材料喷墨印刷的自由基可固化液体，其不包含引发剂或者一种或多种选自非聚合物二官能或多官能引发剂，低聚引发剂，聚合物引发剂和可聚合引发剂的引发剂; 其中所述液体的可聚合组合物基本上由以下组成：a）25-100重量％的一种或多种可聚合化合物A，其具有至少一个丙烯酸酯基团G1和至少一个不同于G1组的第二烯键式不饱和可聚合官能团G2; b）0-55重量％的一种或多种选自单官能丙烯酸酯和双官能丙烯酸酯的可聚合化合物B; 和c）0-55重量％的一种或多种选自三官能丙烯酸酯，四官能丙烯酸酯，五官能丙烯酸酯和六官能丙烯酸酯的可聚合化合物C，条件是如果化合物B的重量百分比> 24重量％，则 化合物C> 1重量％的重量百分比; 并且其中A，B和C的所有重量百分比均基于可聚合组合物的总重量; 条件是如果自由基可固化液体不含引发剂，则至少一种可聚合化合物B或C存在于可聚合组合物中; 其中可聚合化合物A的共聚比率为r1和r2，代表根据Kelen-Tudos方法测定的甲基-G1和甲基-G2的共聚参数。

    Radiation curable inkjet printing methods
    17.
    发明公开
    Radiation curable inkjet printing methods 有权
    StrahlungshärtbareTintenstrahldruckverfahren

    公开(公告)号：EP2053100A1

    公开(公告)日：2009-04-29

    申请号：EP07119177.9

    申请日：2007-10-24

    Applicant: Agfa Graphics N.V.

    Inventor： Claes, Roland

    IPC: C09D11/00

    CPC classification number: B41M7/0081 ,  C09D11/101 ,  C09D11/30

    Abstract: An inkjet printing method comprising the steps of:
    a) providing a first radiation curable composition curable by free radical polymerization or cationic polymerization;
    b) applying a layer of the first radiation curable composition on a substrate;
    c) curing the layer; and
    d) jetting on the cured layer a second composition curable by a different polymerization than the first composition but selected from the group consisting of free radical polymerization and cationic polymerization

    characterized in that the first composition comprises a cationically polymerizable compound having at least one (meth)acrylate group in an amount of at least 25 wt% based upon the total weight of the first curable composition.

    Abstract translation: 一种喷墨印刷方法，包括以下步骤：a）提供通过自由基聚合或阳离子聚合可固化的第一可辐射固化组合物; b）将第一可辐射固化组合物的层施加在基底上; c）固化层; 和d）在所述固化层上喷射可通过不同于第一组合物聚合而固化的第二组合物，但选自自由基聚合和阳离子聚合，其特征在于，所述第一组合物包含具有至少一个（甲基） ）丙烯酸酯基团，其量为至少25重量％，基于第一可固化组合物的总重量。

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