Stable conductive developer compositions

Details Stable conductive developer compositions Stable conductive developer compositions

1983-06-06

1985-04-23

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

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

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

430109, G03G 908

Patent

active

045130744

ABSTRACT:
Disclosed is an improved stable developer composition which contains resin particles, pigment particles, colloidal silica additive particles, fatty acid metal salt additive particles, and uncoated ferrite carrier particles. One preferred specific developer composition disclosed is comprised of (1) first resin particles of styrene methacrylate copolymers, grafted with or containing a low molecular weight wax composition, (2) second resin particles of a styrene, acrylate, acrylonitrile terpolymer, (3) pigment particles, (4) colloidal silica additive particles, (4) fatty acid metal salt additive particles, and (5) uncoated ferrite carrier particles.

REFERENCES:
patent: 3983045 (1976-09-01), Jugle et al.
patent: 4137188 (1979-01-01), Uetake et al.
patent: 4267246 (1981-05-01), Nishibayashi et al.
patent: 4433042 (1984-02-01), Kawanishi et al.

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