Method for preparation of printing plate by electrophotographic

Details Method for preparation of printing plate by electrophotographic Method for preparation of printing plate by electrophotographic

1996-06-07

1997-07-29

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

To produce printing surface

430126, G03G 1316, G03G 1328

Patent

active

056520760

ABSTRACT:
A method for preparation of a printing plate by an electrophotographic process comprising providing a peelable transfer layer (T) containing a resin (A) capable of being removed upon a chemical reaction treatment on an electrophotographic light-sensitive element, forming a toner image on the transfer layer by an electrophotographic process, providing an adhesive layer (M) containing a thermoplastic resin (B) only on the toner image, transferring the toner image together with the transfer layer (T) and the adhesive layer (M) from the electrophotographic light-sensitive element to a receiving material having a surface capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing, and then removing the transfer layer (T) on the receiving material by the chemical reaction treatment.
According to the method, printing plates which produces prints of good image qualities can be continuously obtained in a stable manner for a long period of time even when the transfer is conducted under conditions of low temperature, low pressure and high speed.

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patent: 5526102 (1996-06-01), Kato
patent: 5561014 (1996-10-01), Kato
patent: 5582941 (1996-12-01), Kato et al.
patent: 5589308 (1996-12-01), Kato et al.

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