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Title:
INFRARED-SENSITIVE CHROMOGENIC COMPOSITION, INFRARED-CURABLE CHROMOGENIC COMPOSITION, LITHOGRAPHIC PRINTING PLATE PRECURSOR, AND PLATE FORMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2014/132721
Kind Code:
A1
Abstract:
An infrared-sensitive chromogenic composition which comprises a compound (A) that has an infrared-absorbing skeleton and a thermochromic skeleton in the molecule, the infrared-absorbing skeleton being bonded to the thermochromic skeleton by covalent bonding or ionic bonding, and a binder (B); and an infrared-curable chromogenic composition which comprises the infrared-sensitive chromogenic composition that further contains a free-radical initiator (C) and a polymerizable compound (D). The photosensitive chromogenic composition and the curable chromogenic composition assume a color in a high density upon exposure to light from an infrared laser and less suffer color fading with time. Also provided are: a lithographic printing plate precursor which has an image-recording layer comprising the infrared-curable chromogenic composition; and a plate formation method which comprises imagewise exposing the lithographic printing plate precursor to infrared light and then subjecting the precursor to on-press development to thereby produce a lithographic printing plate. This lithographic printing plate precursor, which has the curable chromogenic composition as an image-recording layer, brings about extremely high plate inspection properties, has satisfactory storage stability to retain the high color-assuming properties, is excellent also in terms of on-press developability, and provides a lithographic printing plate having satisfactory printing durability. With the plate formation method, a lithographic printing plate is produced from the lithographic printing plate precursor.

Inventors:
MIZUNO Akio (4000 Kawashiri, Yoshida-cho, Haibara-gu, Shizuoka 96, 〒4210396, JP)
SUZUKI Shota (4000 Kawashiri, Yoshida-cho, Haibara-gu, Shizuoka 96, 〒4210396, JP)
SATO Noriaki (4000 Kawashiri, Yoshida-cho, Haibara-gu, Shizuoka 96, 〒4210396, JP)
Application Number:
JP2014/051711
Publication Date:
September 04, 2014
Filing Date:
January 27, 2014
Export Citation:
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Assignee:
FUJIFILM CORPORATION (26-30, Nishiazabu 2-chome Minato-k, Tokyo 20, 〒1068620, JP)
International Classes:
G03C1/685; B41M5/28; B41M5/30; B41M5/46; B41N1/14; C09B23/00; C09B67/20; G03F7/00; G03F7/004; G03F7/033
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Attorney, Agent or Firm:
TAKAMATSU Takeshi et al. (Koh-Ei Patent Firm, Toranomon East Bldg. 9F 7-13, Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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