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    • 1. 发明授权
    • Thermally sensitive, multilayer imageable element
    • 热敏多层可成像元件
    • US06858359B2
    • 2005-02-22
    • US10264814
    • 2002-10-04
    • Anthony P. KitsonKevin B. RayEugene L. Sheriff
    • Anthony P. KitsonKevin B. RayEugene L. Sheriff
    • B41C1/10G03C1/52G03F7/004G03F7/021G03F7/26G03F7/30
    • B41C1/1016B41C2210/02B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/262G03C1/49863
    • Multi-layer, positive working, thermally sensitive imageable elements, useful as lithographic printing plate precursors, are disclosed. The elements comprises a substrate, an underlayer over the substrate, and a top layer over the underlayer. The top layer comprises polymeric material, which is a solvent soluble novolac resin or a derivative thereof. The polymeric material is a (a) novolac that has a weight average molecular weight of at least 10,000, a derivative thereof functionalized with polar groups, or a derivative thereof functionalized with quadruple hydrogen bonding entities; (b) a solvent soluble m-cresol/p-cresol novolac resins that comprises at least 10 mol % p-cresol and has a weight average molecular weight of at least 8,000, a derivative thereof functionalized with polar groups, or a derivative thereof functionalized with quadruple hydrogen bonding entities; or (c) a mixture thereof. The imageable elements have increased scuff resistance and are thus less susceptible to damage during handling.
    • 公开了用作平版印刷版前体的多层,正性,热敏成像元件。 元件包括衬底,衬底上的底层以及衬底上的顶层。 顶层包括聚合物材料,其是溶剂可溶性酚醛清漆树脂或其衍生物。 聚合物材料是重均分子量为至少10,000的(a)酚醛清漆,用极性基团官能化的衍生物或其用四氢键合实体官能化的衍生物; (b)溶剂可溶的间甲酚/对甲酚酚醛清漆树脂,其包含至少10摩尔%的对甲酚并且具有至少8,000的重均分子量,用极性基团官能化的衍生物或其官能化衍生物 具有四氢氢键实体; 或(c)它们的混合物。 可成像元件具有增加的抗磨损性,因此在处理期间不易受到损坏。
    • 3. 发明授权
    • Printing plate precursor comprising solvent-resistant copolymer
    • 包含耐溶剂共聚物的印版前体
    • US07060415B2
    • 2006-06-13
    • US11130797
    • 2005-05-17
    • Anthony P. KitsonKevin B. RayJoanne RayMathias JarekCelin Savariar-Hauck
    • Anthony P. KitsonKevin B. RayJoanne RayMathias JarekCelin Savariar-Hauck
    • G03F7/039G03F7/11G03F7/14G03F7/30
    • B41C1/1016B41C2210/02B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/262Y10S430/111Y10S430/165
    • The present invention provides a positive-working, thermally imageable element generally comprising a multi-layered imageable coating. The invention provides an imageable element comprising a substrate, an ink-receptive top layer, and an underlayer, the underlayer including a specific copolymer described herein. The copolymer can be a polymer comprising constitutional units derived from: a) a monomer having a cyclic urea group; b) a monomer comprising an N-substituted maleimide; c) a (meth)acrylamide or (meth)acrylate monomer; and d) a (meth)acrylic acid or vinyl benzoic acid monomer. In another embodiment, the copolymer can be a polymer comprising constitutional units derived from: a) a monomer having a cyclic urea group; b) a (meth)acrylic acid or vinyl benzoic acid monomer; c) and a (meth)acrylonitrile monomer. The imageable element may be used to prepare a lithographic printing plate that is resistant to press chemistry and can optionally be baked to increase press runlength.
    • 本发明提供了通常包括多层可成像涂层的正性加工的可热成像元件。 本发明提供了一种可成像元件,其包括基底,油墨接受顶层和底层,底层包括本文所述的特定共聚物。 共聚物可以是包含衍生自以下的结构单元的聚合物:a)具有环状脲基团的单体; b)包含N-取代的马来酰亚胺的单体; c)(甲基)丙烯酰胺或(甲基)丙烯酸酯单体; 和d)(甲基)丙烯酸或乙烯基苯甲酸单体。 在另一个实施方案中,共聚物可以是包含衍生自以下的结构单元的聚合物:a)具有环状脲基团的单体; b)(甲基)丙烯酸或乙烯基苯甲酸单体; c)和(甲基)丙烯腈单体。 可成像元件可以用于制备耐压制化学的平版印刷版,并且可以任选地烘烤以增加压制长度。
    • 8. 发明授权
    • Multilayer imageable elements
    • 多层可成像元件
    • US07186482B2
    • 2007-03-06
    • US11144315
    • 2005-06-03
    • Anthony P. KitsonKevin B. RaySocrates P. PappasCelin Savariar-Hauck
    • Anthony P. KitsonKevin B. RaySocrates P. PappasCelin Savariar-Hauck
    • G03F7/039G03F7/11G03F7/14G03F7/30
    • B41M5/368B41C1/1016B41C2210/02B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/262B41M5/42B41M5/44B41M5/46B41M5/465B41M2205/38Y10S430/165
    • Multilayer, positive working, thermally imageable, bakeable imageable elements have a substrate, an underlayer, and a top layer. The underlayer comprises a polymeric material that comprises, in polymerized form from about 5 mol % to about 30 mol % of recurring units derived from an ethylenically unsaturated polymerizable monomer having a carboxy group; from about 20 mol % to about 75 mol % of recurring units derived from N-phenylmaleimide, N-cyclohexylmaleimide, N-benzylmaleimide, or a mixture thereof; and from about 3 mol % to about 50 mol % of recurring units derived from a compound represented by the formula: CH2═C(R2)—C(O)—NH—CH2—OR1, in which R1 is C1 to C12 alkyl, phenyl, C1 to C12 substituted phenyl, C1 to C12 aralkyl, or Si(CH3)3; and R2 is hydrogen or methyl. Other materials, such as a resin or resins having activated methylol and/or activated alkylated methylol groups, such as a resole resin, may be present in the underlayer. The elements can be used to produce bakeable lithographic printing plates that are resistant to press chemistries.
    • 多层,正面工作,可热成像的可烘烤成像元件具有基底,底层和顶层。 底层包含聚合物,其聚合形式为约5mol%至约30mol%的衍生自具有羧基的烯属不饱和可聚合单体的重复单元; 约20mol%至约75mol%的衍生自N-苯基马来酰亚胺,N-环己基马来酰亚胺,N-苄基马来酰亚胺或其混合物的重复单元; 和约3mol%至约50mol%的由下式表示的化合物的重复单元:<?in-line-formula description =“In-line formula”end =“lead”?> CH 2 -C(R 2) - C(O)-NH-CH 2 -OR 1,&lt; -formulae description =“In-line Formulas”end =“tail”?>其中R 1是C 1至C 12烷基的C 1〜 苯基,C 1至C 12取代的苯基,C 1至C 12芳烷基,或Si(CH 3) 3> 3 3; R 2是氢或甲基。 其它材料,例如具有活性羟甲基和/或活化的烷基化羟甲基的树脂或树脂,例如甲阶酚醛树脂,可存在于底层中。 这些元素可用于生产耐压印化学品的可烘烤平版印刷版。