Electrographic element and process

Details Electrographic element and process Electrographic element and process

G - Physics

03

G

G03G 8/00 (2006.01) B32B 38/10 (2006.01) B32B 38/14 (2006.01) B44C 1/17 (2006.01) G03G 5/02 (2006.01) G03G 5/14 (2006.01) G03G 7/00 (2006.01) G03G 13/22 (2006.01) G03G 15/16 (2006.01)

Patent

CA 2159594

A novel process is dis- closed for the manufacture of protected, distortion-free, full-color electrographic im- ages for use on large for- mat posters, billboards and the like. A novel electro- graphic element (10) is also disclosed which includes a base (11), a release layer (15) and a combined dielec- tric and heat activated ad- hesive layer (16) which is substantially tack-free at am- bient pressure and temper- ature. The novel electro- graphic imaging process in- cludes the steps of: A) pro- ducing a toned image layer on the surface of the electro- graphic element (10) and B) pressure laminating the re- ceptor substrate (50) at an elevated temperature to the toned image layer to form the completed electrographic image. Optionally, the base (11) and release layer (15) are stripped from the dielectric/adhesive layer (16) which then serves to protect the transferred, toned, electrographically generated image from abrasion and environmental contaminants.

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