Self-fixing liquid electrographic developers containing polyeste

Details Self-fixing liquid electrographic developers containing polyeste Self-fixing liquid electrographic developers containing polyeste

1982-06-21

1987-04-21

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

430114, G03G 912

Patent

active

046596402

ABSTRACT:
A novel liquid electrographic developer containing a volatile, electrically insulating carrier liquid, polyester toner particles, and wax dispersed in the carrier is described. The wax-to-polyester weight ratio in the developer is sufficiently high, preferably above 0.25, thereby rendering the developer self-fixing at room temperature.
A novel process for developing an electrostatic latent image on a smooth support using a self-fixing liquid developer is also described. Upon application of the developer to a latent image and evaporation of the liquid carrier from the image, the toner, aided by the wax at the indicated concentration level, is fixed to the surface without the need for externally applied heat.

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patent: 3850829 (1972-07-01), Smith et al.
patent: 3954640 (1976-05-01), Lu et al.
patent: 3985665 (1976-12-01), Sakaguchi et al.
patent: 3997488 (1976-12-01), Tsubuko et al.
patent: 4052325 (1977-10-01), Santilli

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