Processes for preparing toner

Details Processes for preparing toner Processes for preparing toner

1993-05-21

1995-05-09

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

264211, 26421124, 430 31, 523500, 523512, 524854, 526 78, 526 86, 526227, 526321, 528272, C08G 6302

Patent

active

054140528

ABSTRACT:
A one step process for the preparation of toner compositions which comprises adding to an extruder a base resin, initiator, pigment, and optional charge enhancing additive; effecting crosslinking of the base resin in the extruder to provide a toner comprising a pigment, optional charge additive and crosslinked resin comprising linear portions and crosslinked portions; and wherein said crosslinked portions are comprised of densely crosslinked microgel particles.

REFERENCES:
patent: 3681106 (1972-08-01), Burns et al.
patent: 3941898 (1976-03-01), Sadamatsu et al.
patent: 4604338 (1986-08-01), Gruber et al.
patent: 4824750 (1989-04-01), Mahalek et al.
patent: 5057392 (1991-10-01), McCabe et al.
patent: 5158725 (1992-10-01), Handa et al.
patent: 5227460 (1993-07-01), Mahabadi et al.

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