Toner and image forming method using magnetic material with spec

Details Toner and image forming method using magnetic material with spec Toner and image forming method using magnetic material with spec

1988-09-06

1990-06-19

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

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

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

430129, 430903, 252 6256, G03G 914

Patent

active

049353250

ABSTRACT:
A magnetic toner suitably used for developing a digital latent image is provided. The magnetic toner comprises a binder resin and a specific magnetic material comprising spherical magnetic particles which have a tap density of 1.2-2.5 g/cm.sup.3 and a linseed oil absorption of 5-30 ml/100 g. On the basis of the characteristics of the above-mentioned magnetic material, the magnetic toner has good image forming characteristics including image density, reproducibility of thin lines and resolution.

REFERENCES:
patent: 4108786 (1978-08-01), Takayama et al.
patent: 4146504 (1979-03-01), Deffeyes
patent: 4675268 (1987-06-01), Kishi et al.
patent: 4680245 (1987-07-01), Suematsu et al.
patent: 4781851 (1988-11-01), Steck et al.

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