Electrostatographic toner and method for the preparation thereof

Details Electrostatographic toner and method for the preparation thereof Electrostatographic toner and method for the preparation thereof

1992-05-28

1994-02-01

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430110, G03G 908

Patent

active

052831507

ABSTRACT:
A method is described for the preparation of electrostatographic toner particles which involves the surface treatment of pigments using a low melting point highly reactive wax. The method involves preparing a melt dispersion comprising a pigment, a polymeric binder and a low melting point wax at elevated temperatures, the wax melting and coating the surface of the pigment. The melt dispersion is then used as a component of the organic phase in a limited coalescence process.

REFERENCES:
patent: 4789617 (1988-12-01), Arahara et al.
patent: 4833060 (1989-05-01), Nair et al.
patent: 4835084 (1989-05-01), Nair et al.
patent: 4965131 (1990-10-01), Nair et al.
patent: 5139914 (1992-08-01), Tomiyama et al.
patent: 5154998 (1992-10-01), Aoki et al.

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