Title:
トナーバインダー
Document Type and Number:
Japanese Patent JP7295696
Kind Code:
B2
Abstract:
To provide an excellent toner binder that contains, as a main component, a polymer containing a monomer having an ethylenically unsaturated bond as a constituent monomer, and is excellent in low-temperature fixability, hot offset resistance, storage stability, and charge stability.SOLUTION: A toner binder contains a vinyl resin (A) containing a monomer (a) as an essential constituent monomer; the monomer (a) is (meth)acrylate having a chain hydrocarbon group and having 21 to 40 carbon atoms and/or a vinyl ester having a chain hydrocarbon group and having 21 to 40 carbon atoms; the melting point of the vinyl resin (A) is 40 to 80°C; the dielectric constant ε' of the vinyl resin (A) is 2.5 to 4.0; the amount of water contained in the vinyl resin (A) is 500 to 10000 ppm; the polymerization ratio of the vinyl resin (A) is 20.1 to 99.9 weight%; the polymerization ratio of the monomer (a) is 15 to 90 weight%.SELECTED DRAWING: None
Inventors:
Shuichi Shinohara
Shigeru Odaka
Shigeru Odaka
Application Number:
JP2019090378A
Publication Date:
June 21, 2023
Filing Date:
May 13, 2019
Export Citation:
Assignee:
SANYO CHEMICAL INDUSTRIES,LTD.
International Classes:
G03G9/087; C08F218/10; C08F220/18
Domestic Patent References:
| JP2014130243A | ||||
| JP2013097321A | ||||
| JP2012098719A | ||||
| JP2013130655A | ||||
| JP2010217849A |