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Title:
TONER FOR ELECTROPHOTOGRAPHY DEVELOPMENT, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
Document Type and Number:
Japanese Patent JP2012189929
Kind Code:
A
Abstract:

To provide a toner for an electrophotography development which achieves extremely excellent low-temperature fixability, high hot offset resistance properties and adequate storage stability, has high coloring power and hiding power with a low adhesion amount, and can form a high-gloss image, and to provide an image forming method and a process cartridge.

In the toner for the electrophotography which contains at least a binder resin, a coloring agent and a releasing agent, as for the viscoelasticity of the toner, the tangent loss represented by loss modulus (G")/storage modulus (G')=tangent loss (tan δ) has a peak at 80-160 [°C] and has a peak value of 3 or more.


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Inventors:
YAMADA SAORI
AOKI MITSUO
NAKAJIMA HISASHI
NAGAYAMA MASASHI
TANIGUCHI SHIGENORI
Application Number:
JP2011055166A
Publication Date:
October 04, 2012
Filing Date:
March 14, 2011
Export Citation:
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Assignee:
RICOH CO LTD
International Classes:
G03G9/09; G03G9/08; G03G9/087; G03G15/01; G03G15/08
Domestic Patent References:
JPS64574A1989-01-05
JPH10198072A1998-07-31
JP2002131969A2002-05-09
JP2002351143A2002-12-04
JP2005055858A2005-03-03
JP2007065446A2007-03-15
JP2007183382A2007-07-19
JP2007065620A2007-03-15
JP2006299208A2006-11-02
Attorney, Agent or Firm:
加々美 紀雄
酒井 正己



 
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