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    A lithographic printing plate precursor
    213.
    发明公开
    A lithographic printing plate precursor 有权
    Dropplatte

    公开(公告)号：EP2072570A1

    公开(公告)日：2009-06-24

    申请号：EP08172137.5

    申请日：2008-12-18

    Applicant: Agfa Graphics N.V.

    Inventor： Callant, Paul

    IPC: C08K5/3417 ,  C08K5/47 ,  C09B23/00 ,  B41M5/46

    CPC classification number: B41C1/1025 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  B41M5/465 ,  C08K5/3417 ,  C08K5/47 ,  C09B23/0066

    Abstract: A lithographic printing plate precursor comprising a coating provided on a support having a hydrophilic surface, the coating containing thermoplastic polymer particles and an IR-dye characterized in that the IR-dye contains a structural element according to Formula I

    wherein
    A represents hydrogen, halogen or a monovalent organic group;
    Y and Y' independently represent -CH- or -N-;
    R 1 and R 2 independently represent hydrogen, an optionally substituted alkyl or aryl group or represent the necessary atoms to form a ring;
    * represents the linking positions to the rest of the molecule.

    Abstract translation: 一种平版印刷版前体，其包含设置在具有亲水表面的载体上的涂层，所述涂层含有热塑性聚合物颗粒和IR-染料，其特征在于所述IR染料含有根据式I的结构元件，其中A表示氢，卤素或 一价有机基团; Y和Y'独立地表示-CH-或-N-; R 1和R 2独立地表示氢，任选取代的烷基或芳基或表示形成环的必需原子; *表示与分子其余部分的连接位置。

    A method for treating a lithographic printing plate
    214.
    发明公开
    A method for treating a lithographic printing plate 有权
    Verfahren zur Behandlung einer Lithografiedruckplatte

    公开(公告)号：EP2065211A1

    公开(公告)日：2009-06-03

    申请号：EP07121963.8

    申请日：2007-11-30

    Applicant: Agfa Graphics N.V.

    Inventor： Maessen, Peter ,  Mertens, Patrick Albert

    IPC: B41N3/06 ,  B41N3/00

    CPC classification number: B41N3/06 ,  B41N3/006

    Abstract: Method for cleaning a lithographic printing plate comprising the step of applying a liquid to the plate including an aqueous phase, a solvent phase and at least one alkyl (poly)glucoside, said solvent phase including a mixture comprising aliphatic and/or aromatic hydrocarbons, characterized in that the amount of solvent phase in the liquid is ≤ 40%wt.

    Abstract translation: 一种用于清洁平版印刷版的方法，包括将液体施加到包括水相，溶剂相和至少一种烷基（多）葡萄糖苷的平板的步骤，所述溶剂相包括含有脂族和/或芳族烃的混合物，其特征在于 因为液体中溶剂相的含量为40％wt。

    Method for making a lithographic printing plate
    215.
    发明公开
    Method for making a lithographic printing plate 有权
    Verfahren zur Herstellung einer Lithographiedruckform

    公开(公告)号：EP2062728A1

    公开(公告)日：2009-05-27

    申请号：EP07120542.1

    申请日：2007-11-13

    Applicant: Agfa Graphics N.V.

    Inventor： Lingier, Stefaan ,  Demmers, Karen

    IPC: B41C1/10 ,  G03F7/32

    CPC classification number: G03F7/322 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/262

    Abstract: A method for making a positive-working lithographic printing plate is disclosed comprising the steps of:
    (1) providing a heat-sensitive printing plate precursor comprising on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a heat-sensitive coating;
    (2) image-wise exposing said precursor with heat and/or light;
    (3) developing the exposed precursor with an aqueous alkaline developing solution comprising lithium ions at a concentration of at least 0.05 %wt and a salt of an aliphatic carboxylic acid;

    characterized in that the molar ratio of the aliphatic carboxylic acid to the lithium ions is ≥ 1.

    Abstract translation: 公开了一种用于制造正性平版印刷版的方法，包括以下步骤：（1）提供热敏印版前体，其包含在具有亲水表面的支持体上，或者具有亲水层，热敏 涂层; （2）用热和/或光成像地曝光所述前体; （3）用包含至少0.05重量％的锂离子和脂肪族羧酸盐的含水碱性显影液显影所述暴露的前体; 其特征在于，脂肪族羧酸与锂离子的摩尔比为1/1。

    Radiation curable inkjet printing methods
    216.
    发明公开
    Radiation curable inkjet printing methods 有权
    辐射固化喷墨印刷方法

    公开(公告)号：EP2053104A1

    公开(公告)日：2009-04-29

    申请号：EP07119374.2

    申请日：2007-10-26

    Applicant: Agfa Graphics N.V.

    Inventor： Van Dyck, Geert ,  Van Thillo, Etienne ,  Bracke, Peter

    IPC: C09D11/10 ,  C09D11/00

    CPC classification number: B41J11/002 ,  B41M7/0081 ,  C09D11/101 ,  C09D11/36

    Abstract: A radiation curable inkjet printing method for producing printed plastic bags comprising the steps of:
    a) providing a web-like polymeric substrate having a maximum value for Tan δ between 40°C and 110°C;
    b) providing a single pass inkjet printer having at least one page-wide printhead or at least one set of staggered printheads, means for transporting the web-like recording medium and curing means;
    c) jetting onto the web-like polymeric substrate having a surface energy S sub , a non-aqueous radiation curable inkjet liquid having a surface tension S Liq , wherein S Liq is smaller than S Sub by at least 4 mN/m; and
    d) curing the radiation curable liquid on the substrate at a surface temperature equal or higher than the temperature of the maximum value for Tan δ and smaller than the melting point of the polymeric recording medium

    wherein the maximum value for Tan δ is determined by dynamic mechanical analysis at a temperature ramp of 3°C/min using forced oscillation with a cycle of 1 second and an amplitude of 100 µm.
    A single pass inkjet printer is also disclosed.

    Abstract translation: 一种用于生产印刷塑料袋的可辐射固化喷墨印刷方法，包括以下步骤：a）提供Tanδ最大值在40℃和110℃之间的网状聚合物基材; b）提供具有至少一个页宽打印头或至少一组交错打印头的单程喷墨打印机，用于传送幅状记录介质和固化装置的装置; c）喷射到具有表面能Ssub的网状聚合物基材上，具有表面张力SLiq的非水性可辐射固化喷墨液体，其中SLiq小于SSub至少4mN / m; 以及d）在等于或高于Tanδ的最大值的温度且小于聚合物记录介质的熔点的表面温度下固化基材上的可辐射固化液体，其中Tanδ的最大值由动态 在3°C / min的温度斜坡上使用强制振荡进行机械分析，周期为1秒，振幅为100μm。 还公开了单程喷墨打印机。

    Curable liquids and inks for toys and food packaging applications
    217.
    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
    218.
    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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