Title:
【発明の名称】正帯電性トナー
Document Type and Number:
Japanese Patent JP2872352
Kind Code:
B2
Abstract:
A positive-electrification toner capable being fixed with a hot roller having a fluoro-resin covering layer is disclosed. The toner comprises mother particles containing a resin and a coloring agent, and vinyl resin fine particles fastened to the mother particles by mechanical impact force, wherein the resin has a softening point higher than that of the resin contained in the mother particles and not higher than 160 DEG C. and the vinyl resin fine particles have a frictional negative electrification quantity against iron powder not larger than 100 mu c/g. The toner is used for electrophotography, electrostatic printing and electroststic recording.
Inventors:
KABASHIMA HIROTAKA
TAKAGIWA HIROYUKI
AKIMOTO KUNIO
NAGASE TATSUYA
TAKAGIWA HIROYUKI
AKIMOTO KUNIO
NAGASE TATSUYA
Application Number:
JP15152590A
Publication Date:
March 17, 1999
Filing Date:
June 12, 1990
Export Citation:
Assignee:
KONIKA KK
International Classes:
G03G9/08; G03G9/087; G03G9/097; G03G15/20; (IPC1-7): G03G9/087; G03G9/08; G03G9/097; G03G15/20
Domestic Patent References:
| JP1302267A | ||||
| JP2294659A | ||||
| JP2198455A |
Attorney, Agent or Firm:
Masahiko Oi