Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-03-17
1995-10-10
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, 430111, 430903, G03G 9083, G03G 9097
Patent
active
054569907
ABSTRACT:
A magnetic toner comprising a binder resin having dispersed therein a magnetic powder is disclosed, wherein the magnetic toner has a volume average particle diameter (D.sub.50) of from 4 to 9 .mu.m, the magnetic powder has a number average particle diameter of from 0.15 to 0.25 .mu.m (hereinafter simply referred to as a particle diameter), a BET specific surface area of from 6 to 8 m.sup.2 /g, and a residual magnetization of from 7 to 10 emu/g, the magnetic powder is present in an amount of from 30 to 70% based on the total weight of the magnetic toner, and the magnetic toner has adhered to the surface thereof silica powder having been rendered hydrophobic. The magnetic toner exhibits superior performance in terms of image density, definition, dot and fine line reproducibility, and environmental stability.
REFERENCES:
patent: 4946755 (1990-08-01), Inoue
patent: 5137796 (1992-08-01), Takiguchi et al.
patent: 5232806 (1993-08-01), Yamada et al.
Masukawa Teruo
Okuyama Hiroe
Sakai Sueko
Takagi Seiichi
Takahashi Emi
Fuji 'Xerox Co., Ltd.
Martin Roland
LandOfFree
Magnetic toner does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Magnetic toner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic toner will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2309606