Process for producing pressure-fixable electrophotographic toner

Details Process for producing pressure-fixable electrophotographic toner Process for producing pressure-fixable electrophotographic toner

1986-04-07

1987-10-27

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430 98, 42840224, G03G 1100

Patent

active

047029897

ABSTRACT:
A pressure-fixable toner is produced by: dispersing or dissolving a mixture containing (a) a colorant and/or magnetic particles, (b) a pressure fixable binding material, and (c) a capsule wall-forming resin, in an organic solvent; dispersing the resulting dispersion or solution in a dispersion-stabilizing solution; heating the dispersion to evaporate off the solvent; dispersing the resulting encapsulated toner in a lower alcohol to remove the solvent remaining within the encapsulated toner; and thereafter drying the toner. The toner can be used to develop images in electrophotographic systems.

REFERENCES:
patent: 3691090 (1972-09-01), Kitajima et al.
patent: 3893932 (1975-07-01), Azar et al.
patent: 3943063 (1976-03-01), Morishita
Castellan, Physical Chemistry, Addison-Wesley, p. 279.

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