G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 1/73 (2006.01) C09D 11/00 (2006.01) G03F 1/00 (2006.01) G03F 7/022 (2006.01) G03F 7/16 (2006.01) G03F 7/20 (2006.01)
Patent
CA 2054320
- 19 - ABSTRACT OF THE DISCLOSURE The present invention provides a process for producing a lithographic printing plate which has excellent printing durability by way of ink-jet printing, and an aqueous ink composition therefor. The aqueous ink composition of the present invention has a surface tension of 30 to 35 dyn/cm and comprises (a) a dye having an absorption wave length within 200 to 800 nm in the photosensitive wave length range of a positive type photosensitive plate, (b) an evaporation controlling agent, and (c) a surfactant. The present invention also provides a process for producing a lithographic printing plate which comprises printing the above mentioned aqueous ink composition on a positive type photosensitive plate by ink-jet printing, and then exposing the printed plate to light, followed by developing.
Arimatsu Seiji
Hase Takakazu
Kimoto Koichi
Kirby Eades Gale Baker
Nippon Paint Co. Ltd.
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