Title:
TONER AND DEVELOPER
Document Type and Number:
Japanese Patent JP2013145362
Kind Code:
A
Abstract:
To provide a toner causing no filming and having superior low-temperature fixing property, hot offset resistance and heat-resistant storage stability.
A toner includes at least: a non-crystalline polyester resin; and a crystalline polyester resin. The toner has a glass transition temperature Tg1st in a first heating and a glass transition temperature Tg2nd in a second heating, and a difference between them is 10°C or greater, and the crystalline polyester resin is a modified crystalline polyester resin having a urethane skeleton and/or a urea skeleton.
Inventors:
SUGIMOTO TSUTOMU
YAMASHITA YUJI
ASAHINA DAISUKE
TAKAHASHI RINTARO
YAMADA MASAHIDE
NAKAYAMA SHINYA
YAMAMOTO JUNJI
SAKASHITA SHINGO
YAMASHITA YUJI
ASAHINA DAISUKE
TAKAHASHI RINTARO
YAMADA MASAHIDE
NAKAYAMA SHINYA
YAMAMOTO JUNJI
SAKASHITA SHINGO
Application Number:
JP2012211947A
Publication Date:
July 25, 2013
Filing Date:
September 26, 2012
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
G03G9/087; G03G9/08
Domestic Patent References:
| JP2011148963A | 2011-08-04 | |||
| JP2011242750A | 2011-12-01 | |||
| JP2006084743A | 2006-03-30 | |||
| JP2005077930A | 2005-03-24 | |||
| JP2006251564A | 2006-09-21 | |||
| JP2010217849A | 2010-09-30 | |||
| JP2008052192A | 2008-03-06 |
Attorney, Agent or Firm:
Masami Sakai
Norio Kagami
Norio Kagami
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