| 摘要 |
PROBLEM TO BE SOLVED: To provide an original plate for a lithographic printing plate exhibiting good on-press developability including aging by forming an image by a heat and capable of obtaining more printed products. SOLUTION: The original plate for the lithographic printing plate comprises a heat sensitive layer containing a fine particle-like polymer used to form an image, not united by a heat and provided on a hydrophilic support. In this case, the polymer contains a functional group existing in another fine particle- like polymer or a functional group for enabling a reaction with a functional group existing in the other component in the heat sensitive layer. After the support is roughed, the support is preferably an anodized aluminum board. Further, the aluminum board is preferably silicate-treated. |
