Method of making fluorescent toner

Details Method of making fluorescent toner Method of making fluorescent toner

1988-09-26

1989-09-12

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430106, 430138, 430114, 25230134, 25230135, 42721331, G03G 912

Patent

active

048659371

ABSTRACT:
Disclosed is a method of making a fluorescent toner for use in electrostatography and a fluorescent toner and developer made by that method. A solution is prepared which comprises an organic solvent, a fluorescent dye, and an organic polymer. A pigment is precipitated by mixing the solution with a non-solvent for the polymer in the presence of a dispersant. The pigment is melt compounded with a polymeric organic binder and the melt compounded mixture is comminuted.

REFERENCES:
patent: 3779924 (1973-12-01), Chechak
patent: 4120805 (1978-10-01), Yamashita et al.
patent: 4473630 (1984-09-01), Yokoya et al.
patent: 4724094 (1988-02-01), Song

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