| 摘要 |
<p>A processing solution for preparing a lithographic printing plate for conducting development processing after exposing imagewise a lithographic printing plate precursor comprising a support on a surface of which at least one of a hydrophilizing treatment and an undercoat layer has been provided and an image-recording layer to cure an exposed area of the image-recording layer, which is an aqueous solution having pH of from 2 to 10 and containing a surfactant as a developing agent and a first polymer having a weight average molecular weight of from 1,000 to 100,000 and containing a nitrogen atom.</p> |
