Title:
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER
Document Type and Number:
Japanese Patent JPH0635226
Kind Code:
A
Abstract:
PURPOSE: To provide a toner excellent in dispersibility of a colorant and having stable image characteristics.
CONSTITUTION: In the toner obtained by polymerizing a polymerizable monomer mixed solution containing at least a colorant such as carbon black, the toner is improved in charge stability and shows the stable image characteristics even in the case of continuous printing or environmental change by making the max. length of the secondary aggregate of the colorant particle dispersed in the toner below the half of the particle diameter of the toner.
Inventors:
OCHIAI MASAHISA
HIRAYAMA MASATERU
NAKAHARA HISAYO
HIRAYAMA MASATERU
NAKAHARA HISAYO
Application Number:
JP21218392A
Publication Date:
February 10, 1994
Filing Date:
July 16, 1992
Export Citation:
Assignee:
HITACHI METALS LTD
International Classes:
G03G9/09; (IPC1-7): G03G9/09
Attorney, Agent or Firm:
Oba Mitsuru
Next Patent: FORMATION OF TWO-COLOR IMAGES