公开(公告)号：US6080523A

公开(公告)日：2000-06-27

申请号：US235318

申请日：1999-01-22

申请人： Joan Vermeersch ,  Marc Van Damme ,  Dirk Kokkelenberg ,  Inge Claes

发明人： Joan Vermeersch ,  Marc Van Damme ,  Dirk Kokkelenberg ,  Inge Claes

IPC分类号： G03F1/00 ,  G03F7/11

CPC分类号： G03F7/202

摘要： According to the present invention there is provided an imaging element comprising on a support having a hydrophilic surface in the order given a photosensitive layer insoluble in an aqueous alkaline solution and capable of becoming soluble in said aqueous alkaline solution upon exposure with actinic light and a thermosensitive layer comprising a masking dye rendering said thermosensitive layer opaque to light for which said photosensitive layer has spectral sensitivity and said imaging element further comprising a compound A capable of converting light into heat comprised in said thermosensitive layer or a layer adjacent thereto, characterized in that said thermosensitive layer further comprises thermoplastic particles of a hydrophobic polymer.

摘要翻译： 根据本发明，提供了一种成像元件，其包含在具有亲水表面的支持体上，其顺序为给定不溶于碱性水溶液的感光层，并且当用光化学曝光并且能够变得易溶于碱性水溶液时， 所述掩模染料使所述热敏层不透光，所述光敏层对于所述感光层具有光谱灵敏度的光，并且所述成像元件还包含能够将光转换成包含在所述热敏层中的热或与其相邻的层的化合物A，其特征在于所述 热敏层还包括疏水性聚合物的热塑性颗粒。

公开(公告)号：US06248503B1

公开(公告)日：2001-06-19

申请号：US09186613

申请日：1998-11-06

申请人： Joan Vermeersch ,  Marc Van Damme ,  Andreas Elsässer ,  Inge Claes

发明人： Joan Vermeersch ,  Marc Van Damme ,  Andreas Elsässer ,  Inge Claes

IPC分类号： G03F7004

CPC分类号： B41C1/10 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262

摘要： According to the present invention there is provided a method for making a lithographic printing plate comprising the steps of a) exposing imagewise to IR-radiation a heat mode imaging element having on a lithographic base with a hydrophilic surface a first layer including a polymer, soluble in an aqueous alkaline solution and a top layer on the same side of the lithographic base as the first layer which top layer is unpenetrable by an alkaline developer and contains a compound capable of converting light into heat, wherein said first layer and said top layer may be one and the same layer; and b) developing said imagewise exposed heat mode imaging element with said alkaline developer whereby the exposed areas of the first and the top layer, which may be the same, are dissolved and the unexposed areas of the first layer remain undissolved characterized in that said alkaline developer has a pH of at least 12 and a surface tension of at least 30 mN/m.

摘要翻译： 根据本发明，提供了一种制备平版印刷版的方法，包括以下步骤：a）将具有亲水表面的光学成像元件的热模式成像元件成像曝光于包含聚合物的第一层，所述第一层可溶于 碱性水溶液和位于与第一层相同的一侧的顶层，该顶层不能被碱性显影剂穿透，并且含有能够将光转化成热的化合物，其中所述第一层和所述顶层可以是 同一层; 和b）用所述碱性显影剂显影所述成像曝光的热模式成像元件，由此第一层和顶层的可能相同的暴露区域被溶解，并且第一层的未曝光区域保持未溶解，其特征在于所述碱性显影剂 具有至少12的pH和至少30mN / m的表面张力。

公开(公告)号：US06068965A

公开(公告)日：2000-05-30

申请号：US241296

申请日：1999-02-01

申请人： Guy Hauquier ,  Joan Vermeersch ,  Marc Van Damme ,  Inge Claes

发明人： Guy Hauquier ,  Joan Vermeersch ,  Marc Van Damme ,  Inge Claes

IPC分类号： B41C1/10 ,  G03F7/11

CPC分类号： B41C1/1041 ,  B41C1/1016 ,  B41C2210/02 ,  B41C2210/08 ,  B41C2210/14 ,  B41C2210/24 ,  B41C2210/262 ,  Y10S430/146

摘要： According to the present invention there is provided a method for making on-press lithographic printing plates which require no processing. The method comprises the steps of:a. mounting a heat-sensitive imaging material, comprising on a lithographic base having a hydrophilic surface, a metallic layer or a metal oxide layer and on top thereof an oleophobic layer having a thickness of less than 5 .mu.m, on a print cylinder of a printing press;b. image-wise exposing said imaging material with an IR-laser;c. rotating said print cylinder while supplying an aqueous dampening liquid and/or ink to said image forming layer of said imaging material.

摘要翻译： 根据本发明，提供了一种制造不需要加工的压印平版印刷版的方法。 该方法包括以下步骤：a。 安装热敏成像材料，其包括在具有亲水表面的光刻基底，金属层或金属氧化物层上，并且在其上方具有厚度小于5μm的疏油层，在印刷的印刷滚筒上 按; b。 用IR激光成像曝光所述成像材料; C。 旋转所述印刷滚筒，同时向所述成像材料的所述图像形成层供应水性阻尼液和/或墨水。

公开(公告)号：US5905015A

公开(公告)日：1999-05-18

申请号：US988405

申请日：1997-12-10

申请人： Bart Van der Linden ,  Inge Claes

发明人： Bart Van der Linden ,  Inge Claes

IPC分类号： G03F7/06 ,  G03F7/07 ,  G03C8/32 ,  G03F7/40

CPC分类号： G03F7/063

摘要： The present invention provides a finisher for a lithographic plateobtained by a DTR process comprising (a) hydrophobizing agent(s) in a total concentration between 0.1 g/l and 10 g/l, (a) surface-active compound(s) and (a) polyglycol(s) or (a) carbohydrate(s), characterized in that said finisher further comprises a non-proteinic hydrophilic film-forming binder selected from the group consisting of dextrin, maltodextrin and dextran in a concentration between 10 and 200 g/l.

摘要翻译： 本发明提供了一种通过DTR方法获得的平版印刷版的整理器，其包括（a）总浓度为0.1g / l至10g / l的疏水化剂，（a）表面活性化合物和（ a）聚二醇或（a）碳水化合物，其特征在于所述整理剂还包含非蛋白性亲水性成膜剂，其选自浓度为10至200g的糊精，麦芽糖糊精和葡聚糖 / l。