Process for producing lithographic printing plate,...

Details Process for producing lithographic printing plate,... Process for producing lithographic printing plate,...

Category

G - Physics

Subcategory

03

Subsubcategory

F

IPC codes

G03F 7/038 (2006.01) B41C 1/10 (2006.01) G03F 1/00 (2006.01)

Type

Patent

Patent number

CA 2066389

Description

ABSTRACT OF DISCLOSURE The present invention provides an improvement of the direct lighographic printing plate making process using ink-jet printing, which provides a printing plate having excellent resolution. Accordingly, the present invention provides an improvement of a process for producing a lithographic printing plate comprising selectively forming a light transmittable oxygen barrier film on a photopolymerizable layer of a photosensitive plate, exposing to light and then removing uncured portion on which the oxygen barrier film is not covered, wherein a protective layer which Is capable of transmitting oxygen gas and the light to cure the photopolymerizable layer Is formed on the photopolymerizable layer, a photosensitive plate therefor and an aqueous ink composition therefor.

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