Lithographic printing plate precursor
    3.
    发明授权
    Lithographic printing plate precursor 有权
    平版印刷版前体

    公开(公告)号:US08192918B2

    公开(公告)日:2012-06-05

    申请号:US12532227

    申请日:2008-04-22

    IPC分类号: G03F7/00 G03F7/09

    摘要: A lithographic printing plate precursor is disclosed which comprises a support having a hydrophilic surface or which is provided with a hydrophilic layer, and a coating thereon, said coating comprising an IR absorbing agent and a contrast enhancing compound, characterized in that said contrast enhancing compound has the structure of formula (I). The printing plate comprising the contrast enhancing compound improves the thermoresponsivity of the coating and is capable of improving the resistance of the coating in the non-exposed areas against the alkaline developer.

    摘要翻译: 公开了一种平版印刷版原版,其包括具有亲水性表面的或具有亲水层的载体及其上的涂层,所述涂层包含IR吸收剂和对比度增强化合物,其特征在于所述对比度增强化合物具有 式(I)的结构。 包括对比度增强化合物的印版提高了涂层的热反应性,并且能够改善非暴露区域中的涂层对碱性显影剂的抵抗力。

    Preparation method of copolymerizable photoinitiators
    4.
    发明授权
    Preparation method of copolymerizable photoinitiators 失效
    可共聚光引发剂的制备方法

    公开(公告)号:US08664431B2

    公开(公告)日:2014-03-04

    申请号:US12744966

    申请日:2008-11-27

    申请人: Johan Loccufier

    发明人: Johan Loccufier

    IPC分类号: C07C69/63

    摘要: An intermediate for preparing (meth)acrylated photoinitiators according to Formula (I): wherein: R1 is selected from the group consisting of hydrogen and a methyl group; A represents a group including at least one photoinitiating moiety; L represents a n+o-valent linking group including at least one carbon atom; n and o each independently represent an integer from 1 to 4; p is equal to 0 or 1; X represents a group selected from the group consisting of CI, Br, I, and R2SO3; and R2 represents an optionally substituted group selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an alkaryl group-, an aralkyl group, an aryl group and a heteroaryl group. Also, a method for the preparation of (meth)acrylated photoinitiators by β-elimination of HX from the intermediate according to Formula (I).

    摘要翻译: 用于制备根据式(I)的(甲基)丙烯酸酯化光引发剂的中间体:其中:R1选自氢和甲基; A表示包含至少一个光引发部分的基团; L表示包含至少一个碳原子的n + O价连接基团; n和o各自独立地表示1至4的整数; p等于0或1; X表示选自由Cl,Br,I和R 2 SO 3组成的组中的基团; 并且R 2表示选自烷基,烯基,炔基,烷芳基 - ,芳烷基,芳基和杂芳基中的任选取代的基团。 此外,通过根据式(I)的中间体β-去除HX制备(甲基)丙烯酸酯化光引发剂的方法。

    Polymerizable photoinitiators and radiation curable compositions
    6.
    发明授权
    Polymerizable photoinitiators and radiation curable compositions 有权
    可聚合光引发剂和可辐射固化组合物

    公开(公告)号:US08492452B2

    公开(公告)日:2013-07-23

    申请号:US13129413

    申请日:2009-12-01

    IPC分类号: C08F2/50 C08J3/28

    摘要: A polymerizable photoinitiator is represented by Formula (I): wherein R1, R2 and R3 are independently selected from the group consisting of a hydrogen, an optionally substituted alkyl group and an optionally substituted aryl group or R1 and R3 represent the necessary atoms to form a five to eight membered ring; p, w, y and z are all integers with y representing a value 1 to 6; p representing the sum of w and z; p representing a value of 1 to 6; w=1 to (p−z) and z=0 to (p−w); L represents an optionally substituted (p+y)-valent linking group comprising 1 to 14 carbon atoms; A represents a radically polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a styrene group, an acryl amide group, a methacryl amide group, a maleate group, a fumarate group, an itaconate group, a vinyl ether group, an allyl ether group, an allyl ester group and a vinyl ester group; and X represents a photoinitiating moiety including at least one group capable of initiating a free radical polymerization reaction upon exposure to actinic radiation.

    摘要翻译: 可聚合的光引发剂由式(I)表示:其中R 1,R 2和R 3独立地选自氢,任选取代的烷基和任选取代的芳基,或者R 1和R 3表示必要的原子以形成 五至八元环; p,w,y和z都是整数,y代表值1到6; p表示w和z的和; p代表1到6的值; w = 1〜(p-z),z = 0〜(p-w) L表示含有1至14个碳原子的任选取代的(p + y)价连接基团; A表示选自丙烯酸酯基,甲基丙烯酸酯基,苯乙烯基,丙烯酰胺基,甲基丙烯酰胺基,马来酸酯基,富马酸酯基,衣康酸酯基,乙烯基醚基中的自由基聚合性基团 烯丙基醚基,烯丙基酯基和乙烯基酯基; 并且X表示光引发部分,其包含至少一个能够在暴露于光化辐射时引发自由基聚合反应的基团。

    CURABLE LIQUIDS AND INKS FOR TOYS AND FOOD PACKAGING APPLICATIONS
    7.
    发明申请
    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墨水

    公开(公告)号:US20100313782A1

    公开(公告)日:2010-12-16

    申请号:US12739160

    申请日:2008-10-21

    IPC分类号: B41F31/00 C09D11/10 A23B7/154

    摘要: A free radical curable liquid for inkjet printing of food packaging materials includes 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; and a polymerizable composition of the 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. If the weight percentage of compounds B>24 wt %, then the weight percentage of compounds C>1 wt %, and all weight percentages of A, B, and C are based upon the total weight of the polymerizable composition. At least one polymerizable compound B or C is present in the polymerizable composition if the free radical curable liquid contains no initiator.

    摘要翻译: 用于食品包装材料的喷墨印刷的自由基可固化液体不包括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; 并且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 乙烯醚基,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。 如果化合物B的重量百分比> 24重量%,则C> 1重量%的化合物的重量百分数,以及A,B和C的所有重量百分数都是基于可聚合组合物的总重量。 如果自由基可固化液体不含引发剂,则可聚合组合物中存在至少一种可聚合化合物B或C.

    RADIATION CURABLE COMPOSITIONS FOR FOOD APPLICATIONS
    8.
    发明申请
    RADIATION CURABLE COMPOSITIONS FOR FOOD APPLICATIONS 有权
    食品应用的辐射可固化组合物

    公开(公告)号:US20100304149A1

    公开(公告)日:2010-12-02

    申请号:US12675812

    申请日:2008-09-01

    摘要: A liquid radiation curable composition for inkjet printing includes a photoinitiating system consisting of one or more diffusion hindered photoinitiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric or polymeric initiators, and polymerizable initiators, and one or more polymerizable co-initiators, wherein at least one of the polymerizable co-initiators is a polymerizable aromatic tertiary amine. Inkjet inks, an inkjet printing process, and packaging materials may include the liquid radiation curable composition.

    摘要翻译: 用于喷墨印刷的液体可辐射固化组合物包括由一种或多种扩散受阻光引发剂组成的光引发体系,所述扩散受阻光引发剂选自非聚合二 - 或多官能引发剂,低聚或聚合引发剂和可聚合引发剂,以及一种或多种可聚合的共聚物 引发剂,其中至少一种可聚合共引发剂是可聚合芳族叔胺。 喷墨油墨,喷墨印刷工艺和包装材料可以包括液体可辐射固化组合物。

    METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE
    9.
    发明申请
    METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE 有权
    制作平版印刷版的方法

    公开(公告)号:US20100227271A1

    公开(公告)日:2010-09-09

    申请号:US12670836

    申请日:2008-08-13

    IPC分类号: G03F7/004 G03F7/20

    摘要: A method for making a lithographic printing plate is disclosed which comprises the steps of: (1) providing a heat-sensitive lithographic 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 IR-radiation or heat, and (3) developing said image-wise exposed precursor with an alkaline developing solution, characterised in that a sludge inhibiting agent is present in said precursor or in said developing solution or in said precursor and said developing solution, and wherein said sludge inhibiting agent is a triazaindolisine compound. According to the above method, the formation of sludge is inhibited or reduced.

    摘要翻译: 公开了一种制备平版印刷版的方法,其包括以下步骤:(1)提供热敏平版印刷版前体,其包含在具有亲水性表面的支持体上,或者设置有亲水层,热敏涂层 ,(2)用IR辐射或加热使所述前体成像曝光,和(3)用碱性显影液显影所述成像曝光的前体,其特征在于在所述前体或所述显影剂中存在污泥抑制剂 溶液或所述前体和所述显影溶液中,并且其中所述污泥抑制剂是三嗪二葡萄糖酸化合物。 根据上述方法,抑制或减少污泥的形成。

    HEAT SENSITIVE POSITIVE-WORKING LITHOGRAPHIC PRINTING PLATE PRECURSOR
    10.
    发明申请
    HEAT SENSITIVE POSITIVE-WORKING LITHOGRAPHIC PRINTING PLATE PRECURSOR 有权
    热敏正极工作平版印刷机前驱板

    公开(公告)号:US20100055610A1

    公开(公告)日:2010-03-04

    申请号:US12552690

    申请日:2009-09-02

    IPC分类号: G03F7/20 G03F7/004

    摘要: A heat-sensitive positive-working lithographic printing plate precursor comprising(1) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (2) a heat-sensitive coating, comprising an underlayer on said support and thereon an upperlayer, an IR absorbing agent in at least one of said underlayer and upperlayer, a phenolic resin in said upperlayer, and a first polymer in said underlayer, characterised in that said first polymer is an alkaline soluble polymer comprising a first sulfonamide containing monomeric unit having a specified structure according to formula I or formula II and a second amide containing monomeric unit having a specified structure according to formula III. The printing plates show an improved chemical resistance of the coating and a reduced undercutting of the image forming parts of the coating.

    摘要翻译: 一种热敏正性平版印刷版原版,其包含(1)具有亲水性表面的或具有亲水层的载体,(2)热敏涂层,其包含在所述载体上的底层上及其上层, 所述底层和上层中的至少一个中的IR吸收剂,所述上层中的酚醛树脂和所述底层中的第一聚合物,其特征在于,所述第一聚合物是包含含有单体单元的第一种磺酰胺的碱溶性聚合物, 根据式I或式II的结构和具有根据式III具有特定结构的第二种含酰胺的单体单元。 印版显示出涂层的耐化学性改善和涂层成像部分的底切减少。