Toner and developer compositions having cleaning and lubricating

Details Toner and developer compositions having cleaning and lubricating Toner and developer compositions having cleaning and lubricating

1990-09-27

1992-06-23

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

430110, 430126, G03G 9083

Patent

active

051242222

ABSTRACT:
Disclosed are toner compositions which comprise a toner particle having cleaning and lubricating agents added externally thereto. The cleaning and lubricating agents improve copy quality and extend the developer lifetime as they are electrically compatible with the toner particles over the duration of the developer lifetime. The external lubricating additive comprises a modified wax component having a relatively small percentage of a charge enhancing additive dissolved in a low molecular weight wax material. Optionally, the external additive may comprise amorphous silica particles and magnetite particles.

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