Title:
トナー用結着樹脂
Document Type and Number:
Japanese Patent JP7274274
Kind Code:
B2
Abstract:
To provide: a toner binder resin that is excellent in low temperature fixability, hot off-set resistance and durability; an electrophotographic toner; and a method for producing an electrophotographic toner.SOLUTION: The present invention provides [1] a toner binder resin that is a reaction product of an alcohol component containing a C2-14 α,ω-aliphatic diol, a carboxylic acid component containing a C4-14 aliphatic dicarboxylic acid compound, and a silicone, wherein the silicone is a silicone having at least one selected from an amino group, a carboxyl group, an epoxy group, and a carbinol group, [2] an electrophotographic toner containing a toner binder resin described in the [1], and [3] a method for producing an electrophotographic toner including step 1 in which toner raw materials including the binder resin described in the [1] is melt-kneaded, and step 2 in which a melt-kneaded product obtained by the step 1 is crushed and classified to obtain toner particles.SELECTED DRAWING: None
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Inventors:
Takashi Sugano
Hiroki Wakabayashi
Hiroki Wakabayashi
Application Number:
JP2018195230A
Publication Date:
May 16, 2023
Filing Date:
October 16, 2018
Export Citation:
Assignee:
Kao Corporation
International Classes:
C08G63/695; G03G9/08; G03G9/087
Domestic Patent References:
| JP11021502A | ||||
| JP2017165951A | ||||
| JP64032267A | ||||
| JP7244403A | ||||
| JP2002012657A | ||||
| JP2012194259A |
Attorney, Agent or Firm:
Patent Attorney Corporation Otani Patent Office
Wataru Sasaki
Koichiro Yamashita
Wataru Sasaki
Koichiro Yamashita
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