Title:
TONER
Document Type and Number:
Japanese Patent JP2017083524
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a two-component developer that prevents the occurrence of problems in which: when a toner is stirred for a long time in a two-component developing device, the toner is fused to the surface of a developing roller; a burn-in phenomenon occurs in which the entire surface of the developing roller is covered with a toner constituent over time; the density of images is reduced.SOLUTION: There is provided a toner comprising a crystalline polyester resin formed of a linear saturated aliphatic polyester unit dispersed in an amorphous polyester resin obtained by polymerizing a divalent alcohol component and a dicarboxylic acid component, and having a monoester wax added thereto as a mold release agent, wherein a crystalline resin in the toner has a dispersion diameter of 100 nm or more and 500 nm or less, and an ester wax is dispersed at a dispersion diameter of 200 nm or more and 1000 nm or less.SELECTED DRAWING: None
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Inventors:
KONDO HIRONARI
WADA OSAMU
TSUBAKI YORIHISA
WADA OSAMU
TSUBAKI YORIHISA
Application Number:
JP2015208933A
Publication Date:
May 18, 2017
Filing Date:
October 23, 2015
Export Citation:
Assignee:
SHARP KK
International Classes:
G03G9/087; G03G9/08
Domestic Patent References:
| JP2014160194A | 2014-09-04 | |||
| JP2014063065A | 2014-04-10 | |||
| JP2013047702A | 2013-03-07 | |||
| JP2013137420A | 2013-07-11 | |||
| JP2014224843A | 2014-12-04 | |||
| JP2010164962A | 2010-07-29 | |||
| JP2015176111A | 2015-10-05 | |||
| JP2012098719A | 2012-05-24 | |||
| JP2013015739A | 2013-01-24 | |||
| JP2012032639A | 2012-02-16 |
Attorney, Agent or Firm:
Shintaro Nogawa
Shinji Kai
Yusuke Kaneko
Kiyoshi Inamoto
Masami Tomita
Shinji Kai
Yusuke Kaneko
Kiyoshi Inamoto
Masami Tomita