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    Low migration free radical radiation curable inkjet inks
    14.
    发明公开
    Low migration free radical radiation curable inkjet inks 有权
    StrahlungshärtbareTintenstrahltinten mit migrationsarmen freien Radikalen

    公开(公告)号：EP2703457A1

    公开(公告)日：2014-03-05

    申请号：EP12182522.8

    申请日：2012-08-31

    Applicant: Agfa Graphics N.V.

    Inventor： Loccufier, Johan ,  De Mondt, Roel

    IPC: C09D11/10

    CPC classification number: C09D11/107 ,  C09D11/101 ,  C09D11/30 ,  C09D11/38 ,  Y10T428/24802

    Abstract: A free radical radiation curable inkjet ink having a viscosity smaller than 30 mPa.s at 40°C and at a shear rate of 1,000 s -1 including a polymeric or polymerizable photoinitiator; a thiol compound; and a vitrification control monomer, wherein the vitrification control monomer includes a (meth)acrylate group and an ethylenically unsaturated functional group selected from the group consisting of a vinyl ether group, an allyl ether group and an allyl ester group; and wherein the thiol compound includes no more than six thiol groups.

    Abstract translation: 一种自由基可辐射固化喷墨油墨，其粘度在40℃和1000s -1的剪切速率下具有小于30mPa.s，包括聚合或聚合的光引发剂; 硫醇化合物; 玻璃化对照单体，其中所述玻璃化对照单体包含（甲基）丙烯酸酯基和选自乙烯基醚基，烯丙基醚基和烯丙基酯基的烯属不饱和官能团; 并且其中所述硫醇化合物包括不超过六个硫醇基团。

    Cationic radiation curable compositions
    17.
    发明公开
    Cationic radiation curable compositions 有权
    KationischestrahlungshärtbareZusammensetzungen

    公开(公告)号：EP2199856A1

    公开(公告)日：2010-06-23

    申请号：EP08172167.2

    申请日：2008-12-18

    Applicant: Agfa Graphics N.V.

    Inventor： Loccufier, Johan

    IPC: G03F7/038 ,  C07C381/12 ,  C07D303/28 ,  C07D305/06 ,  C07D335/16 ,  G03F7/004

    CPC classification number: G03F7/0045 ,  C07C381/12 ,  G03F7/038

    Abstract: A radiation curable composition comprising a cationic photoinitiator according to Formula (I) or (II):

    wherein :
    R1, R2 and R3 independently represent a group selected from the group consisting of an aryl group and a heteroaryl group, with the proviso that R1, R2 and R3 are each substituted by at least one substituent comprising at least one cationically polymerizable group selected from the group consisting of an alkenyl ether, an epoxide and an oxetane;
    P and Q independently represent the necessary atoms to form a substituted or unsubstituted 5 or 6-membered aromatic or heteroaromatic ring, with the proviso that at least one of P,Q and L is substituted by at least one substituent comprising at least one cationically polymerizable group, selected from the group consisting of an alkenyl ether, an epoxide and an oxetane;
    L represents a group selected from the group consisting of a direct bond, 0, S, SO, SO 2 , CR5R6, C(=O), S(=O), C(NR8) and NR7;
    R5 and R6 independently represent a group selected from the group consisting of a hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, a halogen, an alcohol, an ether, an ester, an amine, an amide, a carboxylic acid, a thiol and thioether;
    R5 and R6 may represent the necessary atoms to form a five or six membered ring;
    R7 and R8 independently represent a group selected from the group consisting of a hydrogen, an substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group and an acyl group; and
    Y- represents a counter ion to compensate for the positive charge of the sulfonium compound.

    Abstract translation: 一种包含根据式（I）或（II）的阳离子光引发剂的可辐射固化组合物：其中：R 1，R 2和R 3独立地表示选自芳基和杂芳基的基团，条件是R 1， R2和R3各自被至少一个包含至少一个选自烯基醚，环氧化物和氧杂环丁烷的阳离子聚合性基团的取代基取代; P和Q独立地表示形成取代或未取代的5或6元芳族或杂芳族环的必要原子，条件是P，Q和L中的至少一个被至少一个取代基取代，所述取代基包含至少一个可阳离子聚合的 基团，选自烯基醚，环氧化物和氧杂环丁烷; L表示选自直接键，0，S，SO，SO 2，CR 5 R 6，C（= O），S（= O），C（NR 8）和NR 7的基团。 R5和R6独立地表示选自氢，取代或未取代的烷基，取代或未取代的烯基，取代或未取代的炔基，取代或未取代的芳烷基，取代或未取代的烷芳基， 取代或未取代的芳基，取代或未取代的杂芳基，卤素，醇，醚，酯，胺，酰胺，羧酸，硫醇和硫醚; R5和R6可以表示必要的原子以形成五元或六元环; R7和R8独立地表示选自氢，取代或未取代的烷基，取代或未取代的烯基，取代或未取代的炔基，取代或未取代的芳烷基，取代或未取代的烷芳基， 取代或未取代的芳基，取代或未取代的杂芳基和酰基; Y-表示用于补偿锍化合物的正电荷的抗衡离子。

    Curable liquids and inks for toys and food packaging applications
    18.
    发明公开
    Curable liquids and inks for toys and food packaging applications 有权
    HärtbareFlüssigkeitenund TintenfürSpielzeuge und Lebensmittelverpackungen

    公开(公告)号：EP2053101A1

    公开(公告)日：2009-04-29

    申请号：EP07119170.4

    申请日：2007-10-24

    Applicant: Agfa Graphics N.V.

    Inventor： Loccufier, Johan ,  Claes, Roland

    IPC: C09D11/10 ,  C09D11/00

    CPC classification number: C09D11/30 ,  B41M1/04 ,  C09D11/101 ,  C09D11/322 ,  C09D11/38

    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 selected from the group consisting of a vinlyether group, an allylether group and a allylester group;
    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; and
    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.

    Abstract translation: 一种用于食品包装材料的喷墨印刷的自由基可固化液体，其不包含引发剂或其它一种或多种选自非聚合二 - 或多官能引发剂，低聚引发剂，聚合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和至少一个第二烯属不饱和可聚合官能团G2，所述第二烯键式不饱和可聚合官能团选自 乙烯基醚，烯丙基醚基和烯丙基; b）0-55重量％的选自单官能丙烯酸酯和双官能丙烯酸酯的一种或多种可聚合化合物B; 和c）0-55重量％的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一种或多种可聚合化合物C，条件是如果化合物B的重量百分比> 24重量％，则 化合物C的重量百分比> 1重量％; 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; 并且条件是如果可自由基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。

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