High solids liquid developer containing carboxyl terminated poly

Details High solids liquid developer containing carboxyl terminated poly High solids liquid developer containing carboxyl terminated poly

1991-12-23

1994-04-26

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

430137, G03G 9125

Patent

active

053065905

ABSTRACT:
A high solids replenishable electrostatic liquid developer concentrate includes toner particles containing a carboxyl terminated polyester resin and a pigment and a liquid toner dispensant. The solids content of the concentrate is above about 50%. A method for producing the concentrate includes the steps of blending particles containing a carboxyl terminated polyester and a pigment with a liquid toner dispersants to form a toner dispersant mixture and to increase the solids content of the toner dispersant mixture to more than about 90% solids. Toner solids in a liquid electrostatic developer are replenished by adding the toner particles to a toner solids depleted liquid electrostatic developer in a liquid electrostatographic printing machine.

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