Electrophotographic carrier particles coated with polymer mixtur

Details Electrophotographic carrier particles coated with polymer mixtur Electrophotographic carrier particles coated with polymer mixtur

1987-12-22

1990-06-19

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

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

428407, 523206, 524908, G03G 910

Patent

active

049353268

ABSTRACT:
Disclosed is a carrier and developer composition, and a process for the preparation of carrier particles with substantially stable conductivity parameters which comprises (1) providing carrier cores and a polymer mixture; (2) dry mixing the cores and the polymer mixture; (3) heating the carrier core particles and polymer mixture, whereby the polymer mixture melts and fuses to the carrier core particles; and (4) thereafter cooling the resulting coated carrier particles.

REFERENCES:
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patent: 3922382 (1975-11-01), Kukla
patent: 3939086 (1976-02-01), Hagenbach
patent: 4068017 (1978-01-01), Westdale
patent: 4209550 (1980-06-01), Hagenbach et al.
patent: 4233387 (1980-11-01), Mammino et al.
patent: 4264697 (1981-04-01), Perez et al.
patent: 4272184 (1981-06-01), Rezanka
patent: 4297427 (1981-10-01), Williams et al.
patent: 4434220 (1984-02-01), Abbott et al.
patent: 4478925 (1984-10-01), Miskinis
patent: 4765812 (1988-08-01), Homonoff et al.

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