Method of producing toner for developing latent electrostatic im

Details Method of producing toner for developing latent electrostatic im Method of producing toner for developing latent electrostatic im

1995-05-26

1996-10-15

Rosasco, S.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430109, 430110, G03G 500

Patent

active

055652980

ABSTRACT:
A method of producing a toner for developing latent electrostatic images is disclosed, which comprises the steps of dispersing resin particles comprising a resin in an organic solvent in which the resin is not dissolved; dissolving a dye in the organic solvent before or after dispersing the resin particles in the organic solvent to prepare a dispersion in which the resin particles and the dye are contained, thereby dying the resin particles with the dye; and removing the organic solvent from the dispersion, wherein the ratio of the solubility [D.sub.1 ] of the dye in the organic solvent to the solubility [D.sub.2 ] of the dye in the resin of the resin particles, [D.sub.1 ]/[D.sub.2 ], is not more than 0.5.

REFERENCES:
patent: 4357406 (1982-11-01), Kouchi et al.
patent: 4613559 (1986-09-01), Ober et al.
patent: 4746590 (1988-05-01), Kasai et al.
patent: 4762764 (1988-08-01), Ng et al.

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