Electrophotographic process for preparing printing forms using a

Details Electrophotographic process for preparing printing forms using a Electrophotographic process for preparing printing forms using a

1986-09-09

1987-08-04

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

To produce printing surface

430314, G03G 1326

Patent

active

046845941

ABSTRACT:
Printing forms or metallized images can be prepared electrophotographically by a process comprising the electrostatic chargeup, imagewise exposure and tonering of a photoconductor layer applied to an electroconductive base material, followed by fixing of the tonered image areas, removal of the photoconductive layer in the non-image areas by decoating and, where appropriate, etching of the bared base material surface. A recording material is used that comprises a photoconductive layer containing at least one organic n-conducting pigment in a concentration between 10 and 50 percent by weight and an organic p-conducting photoconductor in a concentration of 0 to 20 percent by weight, based on the layer weight, together with a binder which is soluble or dispersible in aqueous-alkaline solution. The decoating is carried out with an aqueous-alkaline decoater solution, which preferably contains alkali metal hydroxides and/or phosphates. The decoating is preferably carried out at an elevated temperature, for example, between about 30.degree. to 60.degree. C.

REFERENCES:
patent: 3753760 (1973-08-01), Kosel
patent: 4548885 (1985-10-01), Brechlin

Affiliated with

Also associated with

Rating

Electrophotographic process for preparing printing forms using a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electrophotographic process for preparing printing forms using a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrophotographic process for preparing printing forms using a will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-883683