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Title:
MAGNETIC TONER
Document Type and Number:
Japanese Patent JPS58178364
Kind Code:
A
Abstract:

PURPOSE: To obtain a color magnetic toner long in life and not impairing a photoreceptor, by binding magnetic material particles coated with a colored solid on their surfaces with a (colored) binder resin.

CONSTITUTION: A colored solid 3 or a binder 3' contg. it is combined with a magnetic powder alone, or a magnetic material 2 obtained by hardening it with a resin to coat its surface and to form capsules 4. Said colored capsules 4 are combined with a binder resin 5 or a binder resin 5' contg. the colored solid 3 to form a colored magnetic toner 1. As the colored solid, e.g., chrysamine G (yellow), permanent red-R (red), direct blue-BB (blue), and the like pigments are used, preferably, contained by 10W50pts.wt. per 100pts.wt. of toner.


Inventors:
OONO HIROSHI
KUBO TSUTOMU
Application Number:
JP6195382A
Publication Date:
October 19, 1983
Filing Date:
April 14, 1982
Export Citation:
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Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
G03G9/08; G03G9/083; G03G9/093; (IPC1-7): G03G9/08
Attorney, Agent or Firm:
Takehiko Suzue