公开(公告)号：EP2025512B1

公开(公告)日：2011-05-18

申请号：EP07114332.5

申请日：2007-08-14

Applicant: Agfa Graphics N.V.

Inventor： Loccufier, Johan ,  Lingier, Stefaan ,  Mark, Lens

IPC: B41C1/10 ,  B41N3/08

CPC classification number: B41C1/1008 ,  B41C2210/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  G03F7/322

公开(公告)号：EP2025512A1

公开(公告)日：2009-02-18

申请号：EP07114332.5

申请日：2007-08-14

Applicant: Agfa Graphics N.V.

Inventor： Loccufier, Johan ,  Lingier, Stefaan ,  Mark, Lens

IPC: B41C1/10 ,  B41N3/08

CPC classification number: B41C1/1008 ,  B41C2210/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  G03F7/322

Abstract: 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.

Abstract translation: 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，所述热敏平版印刷版前体包含在具有亲水表面的载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）用碱性显影溶液显影所述成像曝光的前体，其特征在于污泥抑制剂存在于所述前体或所述显影剂中 溶液中或在所述前体和所述显影液中，并且其中所述污泥抑制剂是三氮杂吲哚碱化合物。 根据上述方法，污泥的形成受到抑制或减少。