Toner binder and toner

JP7602510B2Active Publication Date: 2024-12-18SANYO CHEM IND LTD
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Patent Information

Application Number
JP2022078979
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-07-07
Filing Date
2022-05-12
Publication Date
2024-12-18
Estimated Expiration
2042-05-12

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Abstract

To provide a toner binder used for a toner which has an excellent durability, an excellent charging property, and a wide fixation width.SOLUTION: The present invention relates to a toner binder including a polyester resin obtained by making an alcohol component and a carboxylic acid component polycondense, the polyester resin containing a polyester resin (A) in which the alcohol component includes ethylene glycol and the carboxylic acid component includes terephthalic acid and isophthalic acid, and the polyester resin (A) including calcium in the range of 10-4000 ppm in a measurement using a fluorescent X-ray.SELECTED DRAWING: None
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Citation Information

Patent Citations

  • Polyester resin for toner

    JP1997278873A

  • Polyester resin for toner, preparation process therefor, toner material, and toner

    JP2017057333A

  • Toner binder and toner

    JP2018141966A