Title:
WHITE TONER
Document Type and Number:
WIPO Patent Application WO/2020/116287
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a white toner that has excellent charging uniformity and that, regardless of the use environment, can stably print out high-quality images. This purpose is met by a white toner that has white toner particles which contain a binding resin, a white pigment and inorganic microparticles. The white pigment has a work function of 5.80-6.10 eV, the content of the white pigment is 15.0-60.0 parts by mass per 100 parts by mass of the binder resin, and the inorganic microparticles have a work function greater than or equal to 6.15 eV.
Inventors:
KOBORI TAKAKUNI (JP)
MITSUIKI KENTA (JP)
SANO HITOSHI (JP)
KATSUMATA WAKIKO (JP)
YAMASHITA DAISUKE (JP)
IWASAKI YOSUKE (JP)
OHTSU TAKESHI (JP)
SHIBATA TAKAHO (JP)
MIURA MASAHARU (JP)
ISHIGAMI KOH (JP)
MIZO YUICHI (JP)
MITSUIKI KENTA (JP)
SANO HITOSHI (JP)
KATSUMATA WAKIKO (JP)
YAMASHITA DAISUKE (JP)
IWASAKI YOSUKE (JP)
OHTSU TAKESHI (JP)
SHIBATA TAKAHO (JP)
MIURA MASAHARU (JP)
ISHIGAMI KOH (JP)
MIZO YUICHI (JP)
Application Number:
PCT/JP2019/046423
Publication Date:
June 11, 2020
Filing Date:
November 27, 2019
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
G03G9/08; G03G9/09; G03G9/097
Foreign References:
| JPS63210851A | 1988-09-01 | |||
| JP2013195833A | 2013-09-30 | |||
| JP2018185507A | 2018-11-22 | |||
| JPH0782243B2 | 1995-09-06 | |||
| JP2012128008A | 2012-07-05 | |||
| JP2018226712A | 2018-12-03 |
Other References:
See also references of EP 3893059A4
Attorney, Agent or Firm:
OKABE Yuzuru et al. (JP)
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