Method for preparation of waterless lithographic printing plate

Details Method for preparation of waterless lithographic printing plate Method for preparation of waterless lithographic printing plate

1996-05-22

1998-03-24

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce printing surface

G03G 1328

Patent

active

057311153

ABSTRACT:
A method for preparation of a waterless lithographic printing plate by an electrophotographic process comprising forming a non-fixing toner image by an electrophotographic process using a liquid developer on a surface of an electrophotographic light-sensitive element comprising an electrically conductive support having provided thereon a photoconductive layer, transferring the toner image onto a support for lithographic printing plate, providing a non-tacky resin layer having adhesion to a surface of the support for lithographic printing plate larger than adhesion between the toner image and the surface of the support for lithographic printing plate on the whole surface of the support for lithographic printing plate bearing the toner image, and removing the non-tacky resin layer provided on the toner image.
The method is suitable for a scanning exposure system using a laser beam of a low power, and simply and rapidly provides a lithographic printing plate excellent in image qualities and printing durability.

REFERENCES:
patent: 4645729 (1987-02-01), Honda et al.
patent: 5501929 (1996-03-01), Kato et al.

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