| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photopolymerizable composition having high sensitivity and excellent in printing durability and storage stability, a photosensitive lithographic printing plate material and a method for manufacturing a photosensitive lithographic printing plate. <P>SOLUTION: The photopolymerizable composition contains at least one of compounds represented by formula (A1), formula (A2) and formula (A3) as a sensitizing dye, an iron arene compound as a photopolymerization initiator and a tribromoacetic ester compound having a molecular weight of ≥500. In the formulae (A1), (A2), (A3), R<SB>1</SB>-R<SB>5</SB>and R<SB>11</SB>-R<SB>16</SB>each represents H or a substituent; Y<SB>1</SB>represents O or S; Y<SB>2</SB>represents O or N-R<SB>17</SB>, R<SB>17</SB>represents H or a substituent; and R6 and R<SB>21</SB>-R<SB>26</SB>each represents H or a substituent, provided that at least one of R<SB>21</SB>-R<SB>26</SB>represents the substituent. <P>COPYRIGHT: (C)2007,JPO&INPIT |
