Method for making complex layer type lithografic printing plate

Details Method for making complex layer type lithografic printing plate Method for making complex layer type lithografic printing plate

1983-01-06

1984-10-16

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Multilayer

430 18, 430 58, 430 96, 430 49, G03C 300, G03G 1328

Patent

active

044775474

ABSTRACT:
Disclosed is a method for making a complex layer type lithographic printing plate by forming a toner image on a printing original plate having organic electrophotographic photosensitive layer by electrophotographic process and treating non-image area other than the toner image area with an etching solution mainly composed of an alcohol solvent and/or an alkali solvent, said photosensitive layer being a complex layer type photosensitive layer which comprises a charge carrier generating layer comprising a charge carrier generating substance and a binder mainly composed of a polyamide resin soluble in alcohol solvent and a high molecular substance having compatibility with said resin and having a group soluble in alcohol solvent and/or alkali solvent and a charge carrier transport layer containing a high molecular substance having a group soluble in an etching solution mainly composed of alcohol solvent and/or alkali solvent and thereafter treating non-image area other than the toner image area with the etching solution.

REFERENCES:
patent: 3816118 (1974-06-01), Byrne
patent: 3895944 (1975-07-01), Wiedemann et al.
patent: 3981728 (1976-09-01), Jones
patent: 4066453 (1978-01-01), Lind et al.
patent: 4435491 (1984-03-01), Kitamura et al.

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