Process for producing toner through suspension polymerization

Details Process for producing toner through suspension polymerization Process for producing toner through suspension polymerization

1994-03-28

1995-06-27

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

G03G 908

Patent

active

054278856

ABSTRACT:
A process for producing a toner for developing an electrostatic image, including the steps of: adding to an aqueous dispersion medium a polymerizable monomer composition comprising at least a polymerizable monomer and a colorant uniformly dissolved or dispersed in the polymerizable monomer, wherein the aqueous dispersion medium containing as a dispersion stabilizer a hardly water-soluble metal hydroxide colloid formed by a reaction of a water-soluble polyvalent metal salt with an alkali metal hydroxide in an aqueous phase; and subjecting the polymerizable monomer composition to suspension polymerization, thereby to produce particles having a volume-average particle size in the range of from 2 to 20 .mu.m and a particle size distribution (a ratio of volume-average particle size
umber-average particle size) of not more than 1.6.

REFERENCES:
patent: 4448871 (1984-05-01), Tamaki et al.
patent: 4507378 (1985-03-01), Wada et al.
patent: 5344738 (1994-09-01), Kmiecik-Lawrynowicz et al.

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