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    • 8. 发明公开
    • INFRARED-SENSITIVE CHROMOGENIC COMPOSITION, INFRARED-CURABLE CHROMOGENIC COMPOSITION, LITHOGRAPHIC PRINTING PLATE PRECURSOR, AND PLATE FORMATION METHOD
    • 红外敏感显色组合物,红外固化显色组合物,平版印刷版前体和板形成方法
    • EP2963495A1
    • 2016-01-06
    • EP14757732.4
    • 2014-01-27
    • FUJIFILM Corporation
    • MIZUNO AkioSUZUKI ShotaSATO Noriaki
    • G03C1/685B41M5/28B41M5/30B41M5/46B41N1/14C09B23/00C09B67/20G03F7/00G03F7/004G03F7/033
    • B41M5/465B41C1/1008B41C2210/04B41C2210/08B41M5/323B41M5/3372B41M2205/04B41N1/14C09B23/0025C09B23/0066C09B23/086C09B57/00C09B69/04C09B69/06G03C1/685
    • A light-sensitive color-forming composition and a curable color-forming composition each of which forms color at a high density by exposure with an infrared laser and has a small fading due to aging is provided by an infrared sensitive color-forming composition containing (A) a compound having an infrared absorbing skeleton and a thermochromic skeleton in its molecule wherein the infrared absorbing skeleton and the thermochromic skeleton are connected with a covalent bond or an ionic bond, and (B) a binder, and an infrared curable color-forming composition in which the infrared sensitive color-forming composition described above further contains (C) a radical initiator and (D) a polymerizable compound. A lithographic printing plate precursor which has the curable color-forming composition described above in the image-recording layer, is extremely excellent in the plate inspection property, has good preservation stability and maintains a high color-forming property, is excellent in the on-press development property, and provides a lithographic printing plate having a good printing durability and a plate making method of producing a lithographic printing plate precursor using the lithographic printing plate precursor described above are provided by a lithographic printing plate precursor having an image-recording layer comprising the infrared curable color-forming composition described above and a plate making method of producing a lithographic printing plate precursor by image exposing the lithographic printing plate precursor described above with infrared ray and then performing on-press development.
    • 通过红外激光曝光以高密度形成颜色并且由于老化而具有小的褪色的光敏发色组合物和可固化发色组合物通过含有(式 A)分子内具有红外吸收骨架和热致变色骨架的化合物,其中红外吸收骨架和热变色骨架通过共价键或离子键连接,和(B)粘合剂和红外固化成色 其中上述红外敏感性显色组合物还含有(C)自由基引发剂和(D)可聚合化合物。 在图像记录层中具有上述可固化发色组合物的平版印刷版原版具有非常优异的版检测性能,良好的保存稳定性并保持高显色性, 并提供具有良好印刷耐久性的平版印刷版和使用上述平版印刷版原版制备平版印刷版原版的制版方法,所述平版印刷版前体通过具有图像记录层的平版印刷版原版提供,所述图像记录层包含 上述红外可固化显色组合物以及通过将上述平版印刷版原版用红外线进行图像曝光然后进行机上显影来制备平版印刷版原版的制版方法。