Title:
ELECTRIC CHARGE CONTROLLING AGENT COMPOSITION AND ELECTROPHOTOGRAPHIC TONER
Document Type and Number:
Japanese Patent JP3262892
Kind Code:
B2
Abstract:
PURPOSE: To provide a toner ensuring satisfactory rising of electrostatic charge and not affected by temp. and humidity and an electric charge controlling agent compsn. used in the toner.
CONSTITUTION: The objective electric charge controlling agent compsn. is prepd. from a quat. ammonium salt whose anionic component is a halogen ion, ClO4-, BF4-, PF4-, a sulfuric acid ion, nitric acid ion, boric acid ion, phosphoric aid ion, org. phosphoric acid ion, carboxylic acid ion, tetraphenylborate, cyanate or phenolate and one or more kinds of inorg. pigments selected among calcium carbonate, magnesium carbonate, barium carbonate, barium sulfate, calcium sulfate, magnesium hydroxide, aluminum hydroxide, calcium silicate, aluminum silicate, zinc silicate, magnesium silicate and dimagnesium phosphate. The objective electrophotographic toner contains the electric charge controlling agent compsn.
Inventors:
Shinichi Sato
Hiroyoshi Yamaga
Noboru Akuzawa
Junichi Hagiwara
Hiroyoshi Yamaga
Noboru Akuzawa
Junichi Hagiwara
Application Number:
JP11238593A
Publication Date:
March 04, 2002
Filing Date:
April 16, 1993
Export Citation:
Assignee:
Hodogaya Chemical Co., Ltd.
International Classes:
G03G9/097; G03G9/08; (IPC1-7): G03G9/097; G03G9/08
Domestic Patent References:
| JP61194452A | ||||
| JP4125655A | ||||
| JP59200252A | ||||
| JP611882A |
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