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Title:
DEVELOPER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, PRODUCTION OF THE DEVELOPER AND IMAGE FORMING METHOD
Document Type and Number:
Japanese Patent JP3074587
Kind Code:
B2
Abstract:

PURPOSE: To provide a developer for electrostatic charge image development excellent in the sustainability of release property, lubricating property and transfer property which does not deteriorate with time or repetition of use.
CONSTITUTION: The toner contains at least 100 pts.wt. binder resin having 50-70°C glass transition temp. (Tg), 0.2-20 pts.wt. solid wax showing >50 C onset temp. in the DSC curve, 0.1-20 pts.wt. coloring agent and/or 1-200 pts.wt. magnetic powder, and 0.1-20 pts.wt. lubricant particles containing 10-90wt.% liquid lubricant. This toner and an inorg. fine powder treated with an org. material and externally added to the toner are mixed to obtain the developer for electrostatic charge image development. The surface of the toner particle has the liquid lubricant.


Inventors:
Hirohide Tanikawa
Keita Nozawa
Minoru Shimojo
Tsutomu Onuma
Masami Fujimoto
Rika Doi
Kazuyoshi Hagiwara
Application Number:
JP34699293A
Publication Date:
August 07, 2000
Filing Date:
December 27, 1993
Export Citation:
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Assignee:
Canon Inc
International Classes:
G03G9/083; G03G9/08; G03G9/087; G03G9/09; G03G13/08; (IPC1-7): G03G9/08; G03G9/08; G03G9/083; G03G9/087; G03G9/09; G03G13/08
Domestic Patent References:
JP59200251A
JP61279865A
Attorney, Agent or Firm:
Yoshio Toyota (1 outside)