Toner composition

Details Toner composition Toner composition

1989-11-30

1991-12-31

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

430109, 430111, 430137, G03G 900, G03G 500

Patent

active

050771701

ABSTRACT:
Disclosed is a toner composition comprising a toner having electroscopic and fixing properties and fine particles of an acrylic polymer, wherein the fine particles of the acrylic polymer are hydrophobic spherical particles having a particle size of 0.05 to 1 .mu.m, which are obtained by dispersion polymerization of an acrylic monomer in a non-aqueous medium.
This toner composition is capable of maintaining good developing property and cleaning property for a long time even in a high-temperature and high-humidity condition and has good flowability and blocking resistance.
These properties are further improved by incorporating fine particles of silica, especially hydrophobic silica, into this toner composition.

REFERENCES:
patent: 4395485 (1983-06-01), Kashiwagi et al.
patent: 4933253 (1990-06-01), Aoki et al.
patent: 4949127 (1990-08-01), Matsuda et al.

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