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Title:
PHOTOSENSITIVE COMPOSITION, PHOTOSENSITIVE LITHOGRAPHIC PRINTING PLATE AND RECORDING METHOD FOR LITHOGRAPHIC PRINTING PLATE
Document Type and Number:
Japanese Patent JP2005221716
Kind Code:
A
Abstract:

To provide a photosensitive lithographic printing plate suitable for exposure with laser light whose emission wavelength is within a range of 750-1,200 nm, excellent in linearity, improved in storage stability at high temperature and high humidity (free of a slip sheet), having high printing durability, and excellent in printability, and to provide a photosensitive composition giving the photosensitive lithographic printing plate, and a recording method for the photosensitive lithographic printing plate.

The photosensitive composition contains (A) an addition polymerizable ethylenic double bond-containing compound, (B) a photopolymerization initiator, (C) a polymeric binder and (D) a dye having an absorption maximum at 700-1,200 nm wavelength, wherein at least one iron arene complex compound is contained as the photopolymerization initiator (B), and a polymeric binder having a styrenic double bond or a vinylpyridinium group in a side chain is contained as the polymeric binder (C).


Inventors:
HIRABAYASHI KAZUHIKO
Application Number:
JP2004029003A
Publication Date:
August 18, 2005
Filing Date:
February 05, 2004
Export Citation:
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Assignee:
KONICA MINOLTA MED & GRAPHIC
International Classes:
G03F7/029; G03F7/00; G03F7/004; G03F7/027; G03F7/038; (IPC1-7): G03F7/029; G03F7/00; G03F7/004; G03F7/027; G03F7/038