Electrophotographic toner and process for producing the same

Details Electrophotographic toner and process for producing the same Electrophotographic toner and process for producing the same

1992-06-30

1994-05-17

Kight, III, John

Radiation imagery chemistry: process, composition, or product th

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

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

428407, 430110, 430137, 430138, G03G 900, G03G 908

Patent

active

053127102

ABSTRACT:
An electrophotographic toner comprising toner particles having adhered on the surface thereof a polymer comprising a monomer unit derived from a fluorine-containing vinyl monomer represented by formula (I) or (II): ##STR1## wherein X represents --COO--, --OCO--, --O--, or a p-phenylene group; R.sub.1 and R.sub.2 each represent a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms; m represents an integer of from 1 to 7; n represents an integer of from 1 to 19; o and p each represent an integer of from 0 to 7; and Y represents a hydrogen atom or a fluorine atom.
The toner exhibits satisfactory charging stability against the environment or mechanical forces while having a narrow charge distribution. It can be prepared with a wide choice of materials and without requiring any special reaction apparatus.

REFERENCES:
patent: 4745030 (1988-05-01), Arahara et al.
patent: 5037716 (1991-08-01), Moffat
patent: 5145761 (1992-09-01), Kubo et al.

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