Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1998-04-15
2000-08-15
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, 430137, G03G 9097
Patent
active
061034398
ABSTRACT:
In toner 1 containing a binder resin 2, wax particles 3 and a coloring agent, the wax particles 3 are designed so that the ratio of major axis/minor axis is set in the range of 1.4 to 4.0 and so that the major axis L is not more than 6.0 .mu.m. Moreover, the melt index of the binder resin ranges from 5.0 to 11.0, and the dielectric loss tangent (tan .delta.) is not more than 5.0. This arrangement prevents the wax particles 3 inside the toner 1 or at the toner 1 surface layer from exposing to or sticking out of the toner 1 surface, thereby making it possible to provide a superior offset-reducing property during the fixing process and electrophotographing toner that can reduce wax contamination on the surface of the toner-bearing body.
REFERENCES:
patent: 5424162 (1995-06-01), Kohri et al.
patent: 5824446 (1998-10-01), Nishihara et al.
Imafuku Tatsuo
Ishida Toshihisa
Morinishi Yasuharu
Nagahama Hitoshi
Nakamura Tadashi
Conlin David G.
Martin Roland
O'Day Christine C.
Sharp Kabushiki Kaisha
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