| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an original printing plate for a lithographic printing plate which suppresses fog under the illumination of a mercury lamp, and in which high printing plate wear and press stability are made compatible. <P>SOLUTION: The original printing plate for the lithographic printing plate has an image recording layer comprising (A) an infrared ray absorbing agent, (B) a radical polymerization initiator, and (C) a polymerizable compound on a substrate, and can form an image by feeding at least one of a printing ink and dampening water on a printing machine after image exposure to remove a non-exposed part of the image recording layer, and is characterized in that the image recording layer furthermore comprises (D) an ultraviolet ray absorbing agent having at least one polyoxyalkylene structure. <P>COPYRIGHT: (C)2011,JPO&INPIT |
