Process for colored toners with selected triboelectric character

Details Process for colored toners with selected triboelectric character Process for colored toners with selected triboelectric character

1986-03-31

1988-04-12

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

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

430109, 430110, 430126, G03G 1308, G03G 1316

Patent

active

047374349

ABSTRACT:
A process for generating consistent high quality colored images for extended periods consisting essentially of (1) providing a xerographic imaging or printing apparatus; (2) adding thereto a stable two-component developer composition comprised of first polymer particles, second polymer particles, and blended flow additive particles and carrier particles; (3) forming electrostatic latent images in the apparatus; and (4) developing the images formed wherein the developer composition retains its triboelectric properties of from about 20 to about 40 microcoulombs per gram for over 500,000 imaging cycles, subject to the provision that the second polymer particles are of a different composition than the first polymer particles.

REFERENCES:
patent: 3669922 (1972-06-01), Bartsch et al.
patent: 3720617 (1973-03-01), Chatterji et al.
patent: 4397934 (1983-08-01), Lu
patent: 4430409 (1984-02-01), Matsumoto et al.
patent: 4457998 (1984-07-01), Gruber et al.
patent: 4473628 (1984-09-01), Kasuya et al.
patent: 4513074 (1985-04-01), Nash et al.

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