Process for making magnetic toners

Details Process for making magnetic toners Process for making magnetic toners

1994-11-14

1995-12-12

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

G03G 9083

Patent

active

054748712

ABSTRACT:
A magnetic toner comprising a binder resin a magnetic substance is disclosed, the toner containing from 2 to 20% by weight of a polyolefin, preferably polyethylene, having a dispersed particle size of from 0.01 to 0.5 .mu.m. The particle size distribution of the polyolefin preferably has a coefficient of variation of from 20 to 40%. The magnetic toner is fixable with low heat energy, hardly causes offset and smudge, and has a reduced abrasive action on a photoreceptor. It is therefore suitable for use in a fixing means with no cleaning mechanism, a machine with a double side copying function, or an organic photoreceptor.

REFERENCES:
patent: 4849316 (1989-07-01), Kawasaki et al.
patent: 5051331 (1991-09-01), Sakashita
patent: 5135833 (1992-08-01), Matsunaga et al.
patent: 5268248 (1993-12-01), Tanikawa et al.

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