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    Method for making a lithographic printing plate
    131.
    发明申请
    Method for making a lithographic printing plate 有权
    平版印刷版的制造方法

    公开(公告)号：US20060014104A1

    公开(公告)日：2006-01-19

    申请号：US11174088

    申请日：2005-06-30

    Applicant: Joan Vermeersch ,  Pascal Meeus

    Inventor： Joan Vermeersch ,  Pascal Meeus

    IPC: G03F7/00

    CPC classification number: B41C1/1025 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  G03F7/322 ,  Y10S430/145 ,  Y10S430/146

    Abstract: A method for making a lithographic printing plate is disclosed which comprises the steps of: (i) providing a negative-working, heat-sensitive lithographic printing plate precursor comprising a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating comprising an image-recording layer which comprises hydrophobic thermoplastic polymer particles and a hydrophilic binder, wherein the hydrophobic thermoplastic polymer particles have an average particle size in the range from 45 nm to 63 nm, and wherein the amount of the hydrophobic thermoplastic polymer particles in the image-recording layer is at least 70% by weight relative to the image-recording layer; (ii) exposing the coating to heat or infrared light, thereby inducing coalescence of the thermoplastic polymer particles at exposed areas of the coating; (iii) developing the precursor by applying an aqueous alkaline solution, thereby removing non-exposed areas of the coating from the support, wherein the aqueous alkaline solution has a pH≧10 and comprises a surfactant.

    Abstract translation: 公开了一种制备平版印刷版的方法，其包括以下步骤：（i）提供负性工作的热敏平版印刷版原版，其包含具有亲水性表面的支持体或设有亲水层和涂层 所述涂层包含包含疏水性热塑性聚合物颗粒和亲水性粘合剂的图像记录层，其中所述疏水性热塑性聚合物颗粒的平均粒径在45nm至63nm的范围内，并且其中疏水性 图像记录层中的热塑性聚合物颗粒相对于图像记录层为至少70重量％ （ii）将涂层暴露于热或红外光，从而在涂层的暴露区域引起热塑性聚合物颗粒的聚结; （iii）通过施加碱性水溶液来显影前体，从而从载体除去涂层的未曝光区域，其中碱性水溶液的pH> = 10并包含表面活性剂。

    Method of making a lithographic printing plate precursor
    132.
    发明申请
    Method of making a lithographic printing plate precursor 有权
    制备平版印刷版前体的方法

    公开(公告)号：US20050287477A1

    公开(公告)日：2005-12-29

    申请号：US10530130

    申请日：2003-09-12

    Applicant: Eric Verschueren

    Inventor： Eric Verschueren

    IPC: B41C1/10 ,  B41N3/00 ,  G03F7/00

    CPC classification number: B41N3/00 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41M2205/12 ,  B41N3/036

    Abstract: A method of making a heat-sensitive lithographic printing plate precursor is disclosed which comprises the steps of (i) providing a web of a lithographic support having a hydrophilic surface; (ii) applying on the hydrophilic surface of the web a coating comprising a phenolic resin; (iii) drying the coating by supplying heat to the coated web; (iv) a cooling step wherein the web temperature is reduced at an average cooling rate which is higher than if the web would be kept under ambient conditions but not higher than 30° C./s; and (v) winding the precursor on a core or cutting the precursor into sheets. The cooling step provides a significant improvement of the aging behavior of the precursor. A stable sensitivity is obtained shortly after coating.

    Abstract translation: 公开了一种制备热敏平版印刷版原版的方法，其包括以下步骤：（i）提供具有亲水表面的平版印刷载体的网; （ii）在纤维网的亲水表面上施加包含酚醛树脂的涂层; （iii）通过向所述涂布的织物提供热量来干燥所述涂层; （iv）冷却步骤，其中所述幅材温度以平均冷却速度降低，所述平均冷却速度高于所述幅材将保持在环境条件但不高于30℃/秒的情况; 和（v）将前体缠绕在芯上或将前体切割成片。 冷却步骤显着提高了前体的老化行为。 涂层后即可获得稳定的敏感性。

    Planographic printing plate precursor
    134.
    发明授权
    Planographic printing plate precursor 有权
    平版印刷版前体

    公开(公告)号：US06951171B2

    公开(公告)日：2005-10-04

    申请号：US10208858

    申请日：2002-08-01

    Applicant: Hidekazu Oohashi ,  Koichi Kawamura ,  Miki Takahashi

    Inventor： Hidekazu Oohashi ,  Koichi Kawamura ,  Miki Takahashi

    IPC: B41C1/10 ,  B41N1/08

    CPC classification number: B41C1/1025 ,  B41C1/10 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/26

    Abstract: The present invention relates to a planographic printing plate precursor comprising a substrate comprising a hydrophilic surface having disposed thereon a heat-sensitive layer containing a thermoplastic particulate polymer having functional groups capable of interacting with the hydrophilic surface. Preferably, hydrophilic graft polymer chains are present on the hydrophilic surface of the substrate. The present invention further relates to a planographic printing plate precursor comprising a substrate comprising a hydrophilic surface having disposed thereon a heat-sensitive layer comprising microcapsules comprising a compound having functional groups capable of interacting with the hydrophilic surface. In addition, the present invention relates to methods of printing with the planographic printing plate precursors.

    Abstract translation: 平版印刷版原版技术领域本发明涉及一种平版印刷版原版，其包含基底，该基底包括亲水表面，其上设置有包含能够与亲水表面相互作用的官能团的热塑性颗粒聚合物的热敏层。 优选地，亲水接枝聚合物链存在于基底的亲水表面上。 本发明还涉及一种平版印刷版原版，其包含基底，其包含亲水表面，其上设置有包含具有能够与亲水表面相互作用的官能团的化合物的微胶囊的热敏层。 此外，本发明涉及用平版印刷版原版进行印刷的方法。

    Planographic printing method and planographic printing plate precursor used therein
    136.
    发明申请
    Planographic printing method and planographic printing plate precursor used therein 有权
    其中使用的平版印刷法和平版印刷版前体

    公开(公告)号：US20050191581A1

    公开(公告)日：2005-09-01

    申请号：US11050037

    申请日：2005-02-04

    Applicant: Kazuto Shimada

    Inventor： Kazuto Shimada

    IPC: G03F7/004 ,  B41C1/10 ,  B41N1/14 ,  G03F7/00 ,  G03F7/027 ,  G03C1/492

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/06 ,  B41C2201/10 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24 ,  Y10S430/145 ,  Y10S430/146

    Abstract: A planographic printing method including: providing a planographic printing plate precursor including a substrate and an image recording layer which is disposed on the substrate and contains (A) an infrared absorber, (B) a polymerization initiator and (C) a polymerizable compound; imagewise exposing the planographic printing plate precursor with an infrared laser; and supplying oil-based ink and an aqueous component to the exposed planographic printing plate precursor without any development treatment, so as to print an image. A region of the planographic printing plate precursor that has not been exposed with an infrared laser is removed during the printing. The polymerizable compound of (C) is represented by the following formula (1): wherein Ar1, R1, Z and n are as defined in the claims and the specification.

    Abstract translation: 一种平版印刷方法，包括：提供包含基材的平版印刷版原版和设置在所述基板上的图像记录层，所述图像记录层包含（A）红外线吸收剂，（B）聚合引发剂和（C）可聚合化合物; 用红外激光成像曝光平版印刷版前体; 并且在没有任何显影处理的情况下将油性油墨和水性成分供给到曝光的平版印刷版原版上，以便印刷图像。 在印刷过程中除去未被红外线激光曝光的平版印刷版原版的区域。 （C）的可聚合化合物由下式（1）表示：其中Ar 1，R 1，Z和n如权利要求书和说明书中所定义 。

    THERMOSENSITIVE LITHOGRAPHIC PRINTING PLATE COMPRISING SPECIFIC ACRYLATE MONOMERS
    139.
    发明申请
    THERMOSENSITIVE LITHOGRAPHIC PRINTING PLATE COMPRISING SPECIFIC ACRYLATE MONOMERS 有权
    包含特定丙烯酸酯单体的热敏平版印刷版

    公开(公告)号：US20050112502A1

    公开(公告)日：2005-05-26

    申请号：US10720882

    申请日：2003-11-24

    Applicant: Gary Teng

    Inventor： Gary Teng

    IPC: B41C1/10 ,  G03C1/76 ,  G03F7/30

    CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41M2205/38

    Abstract: Negative thermosensitive lithographic printing plates comprise on a hydrophilic substrate an oleophilic thermosensitive layer comprising a polymeric binder, urethane (meth)acrylate monomer having at least 6 (meth)acrylate groups, a non-urethane (meth)acrylate monomer having at least 4 (meth)acrylate groups, a free-radical initiator, and an infrared absorbing dye; wherein the weight ratio of said urethane (meth)acrylate monomer to said non-urethane (meth)acrylate monomer is from 0.10 to 3.0, and said thermosensitive layer is capable of hardening upon exposure to an infrared radiation. Lithographic plates with such compositions have excellent press durability.

    Abstract translation: 负热敏平版印刷版在亲水基材上包含亲水性热敏层，其包含聚合物粘合剂，具有至少6个（甲基）丙烯酸酯基团的氨基甲酸酯（甲基）丙烯酸酯单体，具有至少4个（甲基） ）丙烯酸酯基团，自由基引发剂和红外吸收染料; 其中所述聚氨酯（甲基）丙烯酸酯单体与所述非氨基甲酸酯（甲基）丙烯酸酯单体的重量比为0.10至3.0，并且所述热敏层能够在暴露于红外辐射时硬化。 具有这种组合物的平版印刷版具有优异的印刷耐久性。

    Method for forming images
    140.
    发明申请
    Method for forming images 有权
    图像形成方法

    公开(公告)号：US20050112496A1

    公开(公告)日：2005-05-26

    申请号：US10973918

    申请日：2004-10-27

    Applicant: Hiroyuki Nagase

    Inventor： Hiroyuki Nagase

    IPC: B41C1/10 ,  G03F7/30 ,  G03F7/32 ,  G03C1/76

    CPC classification number: G03F7/322 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/04 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/20 ,  B41C2210/22 ,  B41C2210/24 ,  G03F7/3028

    Abstract: The present invention relates to a method for forming images which comprises imagewise exposing a photopolymerizable image-forming material comprising a substrate provided thereon with an image-recording layer which comprises a specific photopolymerization initiator system, a polymerizable compound carrying at least one ethylenically unsaturated group and a binder polymer and then developing the imagewise exposed material with a developer containing at least one carbonate and at least one hydrogen carbonate and a specific surfactant in an amount ranging from 1.0 to 10% by weight, and having a specific pH and a specific electrical conductivity. The image-forming method permits the achievement of a sufficient developing ability even at a relatively low pH at which the image-forming material is not damaged so much and the preparation of a printing plate having good printing durability.

    Abstract translation: 本发明涉及一种用于形成图像的方法，该方法包括将包含其上设置有基材的基材的可光聚合成像材料成像曝光，所述图像记录层包含特定光聚合引发剂体系，携带至少一个烯键式不饱和基团的可聚合化合物和 粘合剂聚合物，然后用含有至少一种碳酸酯和至少一种碳酸氢盐和特定表面活性剂的显影剂显影成像曝光的材料，其量为1.0至10重量％，并且具有特定的pH和比电导率 。 图像形成方法即使在图像形成材料没有被损坏太多的相对低的pH下也能够获得足够的显影能力，并且制备具有良好印刷耐久性的印刷版。

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