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Title:
TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, AND METHOD FOR PRODUCING TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT
Document Type and Number:
Japanese Patent JP2011145321
Kind Code:
A
Abstract:

To provide a toner for electrostatic charge image development (hereinafter referred to as the toner) having superior low temperature fixability and high transfer efficiency, even in a high temperature and high humidity environment, and giving a printed image of high density, and to provide a method of producing the toner.

The toner for electrostatic charge image development is obtained by aggregating and melt-sticking, in an aqueous medium, resin particles (A) comprising a resin obtained by polymerizing at least a vinyl-based monomer dispersed with an anionic surfactant, resin particles (B) comprising a polyester resin dispersed with an anionic surfactant, and a colorant dispersed with an amphoteric surfactant.


Inventors:
ONISHI JUNYA
HIRANO SHIRO
FUJISAKI TATSUYA
SUGAMA KOJI
NAKAMURA MASAHIKO
MURAMATSU YASUHIKO
YASUNO MASAHIRO
Application Number:
JP2010000003734
Publication Date:
July 28, 2011
Filing Date:
January 12, 2010
Export Citation:
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Assignee:
KONICA MINOLTA BUSINESS TECH
International Classes:
G03G9/087
Domestic Patent References:
JPH03267947A1991-11-28
JP2005091813A2005-04-07
JP2011013526A2011-01-20
JP2007148200A2007-06-14
JP2008250294A2008-10-16
JP2004354411A2004-12-16
JP2008224713A2008-09-25