Lithographic printing plate material improved in water retention

Details Lithographic printing plate material improved in water retention Lithographic printing plate material improved in water retention

1990-04-20

1992-04-28

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430206, 430216, 430227, 430232, G03C 554

Patent

active

051088711

ABSTRACT:
Printing endurance of a lithographic printing plate made by using silver complex diffusion transfer process is markedly improved and besides staining which occurs during printing can be effectively inhibited by containing in at least one of a layer which contains nuclei for physical development comprising a heavy metal of a sulfide thereof and a layer contiguous to said layer at least one water-soluble synthetic polymer having the following structural units: ##STR1## wherein A:B=100:0-50:50 (molar ratio)

REFERENCES:
patent: 4160670 (1979-07-01), Tsubai et al.
patent: 4361639 (1982-11-01), Kunadu et al.

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