Toner for developing electrostatic latent image

Details Toner for developing electrostatic latent image Toner for developing electrostatic latent image

1995-09-01

1997-01-28

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430106, 430110, G03G 9087, G03G 909, G03G 9097

Patent

active

055976735

ABSTRACT:
A toner comprising a binder resin, a colorant, and a charge controlling agent comprising (a) a specific iron-containing azo dye and (b) a copolymer of a styrene monomer and/or an acrylic monomer with a sulfonic acid group-containing acrylamide, wherein the amount of the azo dye present on the surface of the toner is 7.times.10.sup.-3 to 20.times.10.sup.-3 g per 1 g of said toner. The toner is suitably used in conjunction with carrier particles, each having a surface layer containing a silicone resin, electroconductive particles and a silane coupling agent.

REFERENCES:
patent: 4624907 (1986-11-01), Niimura et al.
patent: 4842975 (1989-06-01), Kato et al.
patent: 5059505 (1991-10-01), Kashihara et al.
patent: 5439770 (1995-08-01), Taya et al.

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