申请人:SONOKAWA Koji
公开号:US20090246700A1
公开(公告)日:2009-10-01
A plate-making method of a lithographic printing plate precursor including an image forming layer and a support, includes: (a) a step of preparing a lithographic printing plate precursor containing, in the image forming layer, an infrared absorber, a polymerization initiator, a polymerizable compound, a hydrophobic binder polymer and a compound represented by the formula (1) or (2) as defined herein; (b) a step of imagewise exposing the lithographic printing plate precursor; and (C) a step of developing the exposed lithographic printing plate precursor with an aqueous solution containing at least one water-soluble polymer selected from the group consisting of gum arabic and starch with an automatic processor equipped with a rubbing member.
一种用于制备平版印刷版前体的制版方法,该印刷版前体包括图像形成层和支撑层,包括以下步骤:(a) 准备包含红外吸收剂、聚合引发剂、可聚合化合物、疏水性粘合剂聚合物和由式(1)或(2)所定义的化合物的图像形成层的平版印刷版前体;(b) 对平版印刷版前体进行图像曝光;(c) 使用自动处理器配备的摩擦部件,用含有至少一种从阿拉伯胶和淀粉组成的水溶性聚合物的水溶液开发曝光的平版印刷版前体。