Title:
ELECTROSTATIC IMAGE DEVELOPMENT TONER
Document Type and Number:
WIPO Patent Application WO/2023/127948
Kind Code:
A1
Abstract:
The present invention relates to an electrostatic image development toner containing, as binder resins, an amorphous resin and a crystalline resin, wherein: the amorphous resin contains an amorphous polyester resin (A), which is a polycondensate of an alcohol component (a) containing at least 80 mol% of an aliphatic diol (a1) and a carboxylic acid component (b); the alcohol component (a) contains at least 60 mol% of an aliphatic diol (a2) having 5 or 6 carbon atoms and also having an alkyl group in a side chain thereof; and the crystalline resin contains a crystalline polyester resin (C), which is a polycondensate of an aliphatic alcohol (c) and a carboxylic acid component (d).
Inventors:
KANO KUNIHIRO (JP)
NIIYA KANTA (JP)
OKAUCHI NOBUAKI (JP)
NIIYA KANTA (JP)
OKAUCHI NOBUAKI (JP)
Application Number:
PCT/JP2022/048560
Publication Date:
July 06, 2023
Filing Date:
December 28, 2022
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
G03G9/087; G03G9/093; G03G9/097
Foreign References:
| JP2020060745A | 2020-04-16 | |||
| JP2018173579A | 2018-11-08 | |||
| JP2018151546A | 2018-09-27 | |||
| JP2014085587A | 2014-05-12 | |||
| JP2012008529A | 2012-01-12 | |||
| JP2011186456A | 2011-09-22 | |||
| JP2021135471A | 2021-09-13 | |||
| JP2021026129A | 2021-02-22 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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