Title:
TONER AND IMAGE FORMING METHOD
Document Type and Number:
Japanese Patent JP3230167
Kind Code:
B2
Abstract:
PURPOSE: To provide the toner which is used in the developing method of thin layer forming method and improved in durability.
CONSTITUTION: The toner is composed of a coloring particles having no definite shap which is obtained by associating the resin particulates which contains a resin and a colorant and has 0.1-2.0μm prim. grain size and has 2-8μm volume averaged grain size and an addition agent. And the addition agent is composed of three kinds of A.B.C, and the three kinds are the inorg. particulates having the peaks (Da, Db and Dc) in number averaged grain size shown by the followings and each of addition agent is added in surface occupancy ratio shown by the followings with respect to a toner surface addition agent A:Da=7-20nm, surface occupancy ratio=30-90%, addition agent B:Db=20-50nm, surface occupancy ratio=50-100%, addition agent C:Dc=50-150nm, surface occupancy ratio=50-100%.
Inventors:
Mayumi Tanaka
Hiroshi Yamazaki
Hiroshi Yamazaki
Application Number:
JP4129193A
Publication Date:
November 19, 2001
Filing Date:
March 02, 1993
Export Citation:
Assignee:
Konica Corporation
International Classes:
G03G9/08; G03G9/083; G03G9/087; G03G13/08; (IPC1-7): G03G9/08; G03G9/083; G03G9/087; G03G13/08
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