Direct drawing lithographic printing plate material

Details Direct drawing lithographic printing plate material Direct drawing lithographic printing plate material

2007-02-06

2007-02-06

Ahmed, Sheeba (Department: 1773)

Printing

Planographic

Lithographic printing plates

C101S460000, C101S462000, C428S323000, C428S411100

Reexamination Certificate

active

10168336

ABSTRACT:
There is disclosed a direct drawing type lithographic printing plate material comprising a support and an image-forming layer formed on the support, wherein the image-forming layer is formed on a roughened surface of the support and contains a binder and a pigment having a relatively small particle size. The direct drawing type lithographic printing plate material of the present invention has extremely excellent water retention property and is capable of suppressing scumming upon printing, degradation of printing density and image blur even when the amount of a humidifying solution to be supplied is increased upon printing, and minimizes printing defects which otherwise occurs when a printing operation once stopped is resumed or the like.

REFERENCES:
patent: 6508170 (2003-01-01), Katsuoka et al.
patent: 6555291 (2003-04-01), Hauck
patent: 6673435 (2004-01-01), Tashiro et al.

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