Photosensitive composition and photosenpsitive lithographic printing plate

A photosensitive composition and the technology of the composition are applied in the direction of polyhalogenated compound composition, optics, photographic plate-making process of pattern surface, etc., and can solve problems such as inability to achieve plate life
CN1292305CInactive Publication Date: 2006-12-27KONICA MINOLTA MEDICAL & GRAPHICS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
KONICA MINOLTA MEDICAL & GRAPHICS INC
Publication Date
2006-12-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

A photosensitive composition exhibiting enhanced sensitivity is disclosed, comprising an ethylenically unsaturated monomer, a photopolymerization initiator composition and a polymer binder, wherein the photopolymerization initiator composition contains a polyhalogen compound. There is also disclosed a photosensitive lithographic printing plate comprising the foregoing photosensitive composition on a support having a hydrophilic surface.
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Description

technical field

[0001] The present invention relates to a photosensitive composition and a photosensitive lithographic printing plate using the same, and more particularly to a photosensitive composition having enhanced sensitivity and excellent print life and a photosensitive lithographic printing plate using the same. Background technique

[0002] Generally, the lithographic material is imagewise exposed to harden the exposed areas and after the unexposed areas are washed out, the material is further subjected to washing and finisher gum treatments to obtain a lithographic printing plate. Recently, methods for preparing lithographic printing plates have been investigated, in which laser digital exposure is performed to achieve high resolution and increased definition, followed by development to obtain lithographic printing plates. For example, a system is known in which a photographic material is directly subjected to scanning exposure using an exposure source modulated by...

Claims

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