| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an original printing plate for a lithographic printing plate with good image forming properties such as fine line reproducibility and plate wear even when a protective layer coating liquid dissolving a part of components of an image recording layer is applied on the image recording layer. <P>SOLUTION: In the original printing plate for the lithographic printing plate having the image recording layer and a protective layer in this order on a substrate, the original printing plate for the lithographic printing plate is characterized in that the protective layer is formed by using a coating liquid with a thixotropic index of larger than 2.0 expressed by a specified formula, and the image recording layer is dissolved at least 5 mass% to the solvent of the coating liquid. <P>COPYRIGHT: (C)2007,JPO&INPIT |
