Title:
TONER FOR DEVELOPING ELECTROSTATIC IMAGES
Document Type and Number:
WIPO Patent Application WO/2015/129448
Kind Code:
A1
Abstract:
This toner for developing electrostatic images comprises a plurality of toner particles, each of which comprises a toner core and a shell layer that encloses said toner core. The shell layers contain a thermosetting resin. At least 90% of the mass of the toner is insoluble in tetrahydrofuran. The melt viscosity of the toner at 75°C is between 1.0×104 and 1.0×105 Pa∙s, inclusive. The aforementioned thermosetting resin is preferably either a melamine resin or a urea resin. The toner cores contain a binding resin, the softening point (Tm) of which is preferably between 85°C and 95°C, inclusive.
Inventors:
SUMIOKA SHO (JP)
Application Number:
PCT/JP2015/053621
Publication Date:
September 03, 2015
Filing Date:
February 10, 2015
Export Citation:
Assignee:
KYOCERA DOCUMENT SOLUTIONS INC (JP)
International Classes:
G03G9/08; G03G9/087
Foreign References:
| JP2009237110A | 2009-10-15 | |||
| JP2013228556A | 2013-11-07 | |||
| JP2008261948A | 2008-10-30 | |||
| JP2004294469A | 2004-10-21 | |||
| JPH02162355A | 1990-06-21 |
Attorney, Agent or Firm:
MAEI Hiroyuki (JP)
Hiroyuki Maei (JP)
Hiroyuki Maei (JP)
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