Process for preparing toner or capsule toner for use in electrop

Details Process for preparing toner or capsule toner for use in electrop Process for preparing toner or capsule toner for use in electrop

1988-06-06

1989-12-19

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430138, G03G 908

Patent

active

048882640

ABSTRACT:
A mixture of a colorant, and a binder compound having an aliphatic hydrocarbon long chain and having a relatively low melt viscosity, is kneaded in a molten state in the presence of solid media such as balls or beads to form a uniform mixture in which the colorant particles or aggregates have been disintegrated to a size of 5 .mu. or below. Solid particles which may be used as a toner are formed from the uniform mixture and may be encapsulated, as desired, to provide a capsule toner.

REFERENCES:
patent: 4157974 (1979-06-01), Brechlin et al.
patent: 4363863 (1982-12-01), Veillette et al.
patent: 4369272 (1983-01-01), Jaffe
patent: 4610944 (1986-09-01), Matsumoto et al.

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