| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithographic printing original plate which ensures good developability and high printing durability while retaining high sensitivity, and which is capable of image recording with a laser, and a lithographic printing method. <P>SOLUTION: The lithographic printing original plate has on a support an image forming layer containing a block polymer which comprises (a1) a block comprising a repeating unit having at least one hydrophilic functional group and (a2) a block comprising a repeating unit having at least one hydrophobic functional group. <P>COPYRIGHT: (C)2007,JPO&INPIT |
