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Title:
トナーおよびトナーの製造方法
Document Type and Number:
Japanese Patent JP6845647
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a toner excellent in low-temperature fixability, charge retentivity and pigment dispersibility, and a method for manufacturing the same.SOLUTION: The toner has toner particles including a resin component, a rosin compound and a pigment. The resin component includes an olefin based ester group containing copolymer having a specific unit. The acid value of the rosin compound is 3 mgKOH/g or more and 100 mgKOH/g or less; the content of the olefin based ester group containing copolymer is 50 mass% or more to the total mass of the resin component and the rosin compound; and the ester group concentration of the olefin based ester group containing copolymer is 2 mass% or more and 18 mass% or less.SELECTED DRAWING: None

Inventors:
Yuya Senbon
Hayato Ida
Takaho Shibata
Junichi Tamura
Ryuji Murayama
Daisuke Yamashita
Takashi Hirasa
Application Number:
JP2016190080A
Publication Date:
March 24, 2021
Filing Date:
September 28, 2016
Export Citation:
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Assignee:
Canon Inc
International Classes:
G03G9/087; G03G9/08; G03G9/097
Domestic Patent References:
JP53104238A
JP53118050A
JP8184986A
JP2006267248A
JP2009014963A
JP2009223143A
JP2003330220A
JP2011107261A
JP51087042A
JP2003029445A
JP53118049A
JP11209625A
JP2012198438A
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Masami Saito