Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1991-06-10
1993-07-06
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430109, 430111, G03G 910
Patent
active
052253040
ABSTRACT:
A positive-electrification toner capable being fixed with a hot roller having a fluoro-resin covering layer is disclosed. The toner comprises mother particles containing a resin and a coloring agent, and vinyl resin fine particles fastened to the mother particles by mechanical impact force, wherein the resin has a softening point higher than that of the resin contained in the mother particles and not higher than 160.degree. C. and the vinyl resin fine particles have a frictional negative electrification quantity against iron powder not larger than 100 .mu.c/g. The toner is used for electrophotography, electrostatic printing and electroststic recording.
REFERENCES:
patent: 4950573 (1990-08-01), Yamaguchi et al.
Akimoto Kunio
Kabashima Hirotaka
Nagase Tatsuya
Takagiwa Hiroyuki
Chapman Mark A.
Konica Corporation
McCamish Marion E.
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