| 摘要 |
<p>A lithographic printing plate precursor comprising, in this order, a support, an undercoat layer and a photosensitive layer containing an infrared absorber, a polymerization initiator, a polymerizable compound and a binder polymer, wherein the undercoat layer contains a polymer compound having an acid group, and Ra, DELTA s and a45 of a surface of the support are satisfied with the following conditions (i) to (iii), respectively: (i) Ra: 0.2 to 0.40 mu m, (ii) DELTA s: 35 to 85 %, (iii) a45: 25 to 55 %, in which Ra, DELTA s (%) and a45 are defined herein.</p> |
