| 摘要 |
<P>PROBLEM TO BE SOLVED: To stably produce satisfactory products which have less dispersion in sensitivity and which ensures less dispersion in dot size also, after plate making. <P>SOLUTION: In a method for producing a positive photosensitive lithographic printing plate where an underlayer obtained by applying and drying an underlayer liquid comprising an acrylic resin, having an alkali-soluble group and a solvent and an image recording layer comprising a novolac resin and an infrared absorbent are sequentially stacked on a support, an underlayer drying step of drying the applied underlayer liquid includes a steam-containing hot air using step of using steam-containing hot air at between 90-200°C and between 5-70% RH. <P>COPYRIGHT: (C)2009,JPO&INPIT |
