Surface-treated charge control agents, and method for producing

Details Surface-treated charge control agents, and method for producing Surface-treated charge control agents, and method for producing

1994-07-06

1996-01-09

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

427355, 4273722, B05D 700

Patent

active

054827418

ABSTRACT:
A composition, for use in such applications as electrostatographic toners and developers, containing a charge control agent adsorbed onto flow aid particles may be produced by a solution coating process including: (1) dissolving the charge control agent in at least one solvent; (2) adding the flow aid particles to the solvent and forming a suspension; (3) removing the solvent from the suspension after adsorption of the charge control agent onto the flow aid particles has occurred; and (4) drying and milling the material remaining after the solvent is removed from the suspension.

REFERENCES:
patent: 4734350 (1988-03-01), Lin et al.
patent: 4965158 (1990-10-01), Gruber et al.
patent: 5256514 (1993-10-01), Law et al.
patent: 5256515 (1993-10-01), Law et al.
patent: 5300389 (1994-04-01), Law et al.
patent: 5346795 (1994-09-01), Pickering et al.

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