Charge control agent combination for a liquid toner

Details Charge control agent combination for a liquid toner Charge control agent combination for a liquid toner

1991-12-04

1993-04-06

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

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

G03G 9135

Patent

active

052002896

ABSTRACT:
A liquid toner composition for electrophotography comprising a dispersion which includes a carrier liquid, pigmented or dyed toner particles, an inorganic binder insoluble in the carrier liquid at room temperature and a charge control agent in a charge directing amount, said charge control agent comprising lecithin, 1% to 2.5% by weight, based on the total weight of active components in the charge control agent, of an alkylated N-vinyl pyrrolidone polymer, and 0.5% to 10% by weight, based on the total weight of active components in the charge control agent, of an oil soluble or dispersible anionic surfactant.

REFERENCES:
patent: 3522181 (1970-07-01), Garrett et al.
patent: 3542682 (1970-11-01), Mutaffis
patent: 4618557 (1986-10-01), Dan et al.
patent: 4762764 (1988-08-01), Ng et al.
patent: 4897332 (1990-01-01), Gibson et al.

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