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Title:
ELECTROPHOTOGRAPHIC TONER AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2002328487
Kind Code:
A
Abstract:

To provide an electrophotographic toner excellent in low temperature fixability and not causing any problem on anti-offsetting property at high temperature in practical use and to provide a method for producing the electrophotographic toner.

The electrophotographic toner comprises a polyester resin (A) comprising fats and fatty oils and/or fatty acids (a1), polybasic acids (a2) and polyols (a3) and having an oil length of 1-30 obtained by polymerization of double bonds in the fats and fatty oils and/or fatty acids (a1) and a colorant (B). In the method for producing the electrophotographic toner, a colored resin melt (I) comprising the polyester resin (A) and the colorant (B) is dispersed in the molten state in a heated aqueous medium (II), cooled and dried.


Inventors:
MATSUI SHIGEKI
ABE YOICHI
Application Number:
JP2001129273A
Publication Date:
November 15, 2002
Filing Date:
April 26, 2001
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS
International Classes:
G03G9/087; B02C7/04; B02C7/11; B02C7/12; (IPC1-7): G03G9/087; B02C7/04; B02C7/11; B02C7/12
Attorney, Agent or Firm:
Takahashi victory