| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a negative photosensitive planographic printing plate having high sensitivity and excellent staining resistance in the negative photosensitive planographic printing plate having at least a hydrophilic layer, a photopolymerizable photosensitive layer, and an over layer in this order on a supporting body.SOLUTION: In the method, the over layer is applied, the applied article is wound on wet conditions of 30 to 50°C and 30 to 70% relative humidity directly after drying and then heated for 24 to 168 hours on conditions of 30 to 50°C and 30 to 70% relative humidity. |
